Cloud Engineer - ELK SME 6 months Edinburgh/Glasgow - hybrid £700 per day inside IR35 - Umbrella only Required skills: 5 Years UK Residency - BPSS and OPSEC The ELK (Elastic Logstash & Kibana) SME is an extension of the Cloud Engineering role. In addition to being experienced Cloud Engineers as per the full description below the candidates also need 2 years of experience as follows. ELK SME Extension Professional experience in the design, maintenance and management of Elastic stacks (Elasticsearch, Logstash, Kibana) Experience of configuring and maintaining large Elastic clusters Experience working with large data sets and elastic indexing best practices. Good understanding on Visualisation components and techniques in Elasticsearch. Proven experience in performance management and tuning of Elasticsearch environment. Strong experience in writing data ingestion pipelines using Logstash and other big. All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply

Cloud Engineer - ELK SME 6 months Edinburgh/Glasgow - hybrid £700 per day inside IR35 - Umbrella only Required skills: 5 Years UK Residency - BPSS and OPSEC The ELK (Elastic Logstash & Kibana) SME is an extension of the Cloud Engineering role. In addition to being experienced Cloud Engineers as per the full description below the candidates also need 2 years of experience as follows. ELK SME Extension Professional experience in the design, maintenance and management of Elastic stacks (Elasticsearch, Logstash, Kibana) Experience of configuring and maintaining large Elastic clusters Experience working with large data sets and elastic indexing best practices. Good understanding on Visualisation components and techniques in Elasticsearch. Proven experience in performance management and tuning of Elasticsearch environment. Strong experience in writing data ingestion pipelines using Logstash and other big. All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply

Senior Procurement Officer Rate - £500 (A Day) Duration - 6 Months (Initially) Location - London (Hybrid) Ir35 - Inside (Must use an umbrella company) As a Senior Procurement Officer, you'll help us deliver the procurement strategy and policy across the organisation. You'll support the work of the Procurement Team by providing advice and guidance to a wide range of stakeholders. You will take ownership of procurement projects (RfQs and RfPs) and running full tenders which can range between £30k and £Ms. You'll be responsible for maintaining our procurement systems; Workday (P2P), Jaggaer (e-Procurement tools) and Hornbill (procurement ticketing system). Procurement Business Partner for Customer Connect & Workspaces and Communications - ownership and relationship management for both Directorates. Maintaining and managing relationships with the internal and external stakeholders, including senior leaders and Executive Team members on procurement projects and initiatives. Drafting documents such as procurement strategies, tender evaluation reports and Single Tender Actions and contributing to Business Cases and Business Justification documents. Managing our procurement tools; Workday, Jaggaer and Hornbill having responsibility for maintenance, improvements, integration with external systems such as the government's Central Digital Platform. Drafting tender documents, configuring and running tender events on our e-procurement tool - Jaggaer. Managing procurement projects and RfPs for a wide range services. Analysing information from various sources and using your skills to identify opportunities to source alternative suppliers and reduce our costs. Keeping your knowledge up to date as procurement legislation evolves. Taking personal responsibility for delivering on your objectives in line with our values. Your experience includes: Having a strong working knowledge of Microsoft Office, in particular manipulating complex data in Excel as well as a range of e-sourcing and procurement tools. Having strong knowledge and experience of public sector procurement and having attained CIPS L6 accreditation. Experience in running large open procurement competitions and call off contracts through the use of existing public sector frameworks and having an understanding of the UK Public Contracts Regulations. Using your strong numeracy (and MS Excel) skills to analyse data and drafting quarterly reports for the Exec Team and Board. Strong communications skills to guide a range of internal and external stakeholders through processes and the ability to run training sessions as required. Stakeholder management skills with the ability to deliver difficult messages. Being inquisitive and able to think logically - you'll understand and identify with our key stakeholder needs and queries and have the confidence to provide accurate advice. Using your skills to juggle several pieces of work at once - you'll be working on a range of projects at any given time. Using your initiative to identify areas where systems and processes can be improved. Working well with your colleagues - you'll know what it means to be a good team player

Senior Procurement Officer Rate - £500 (A Day) Duration - 6 Months (Initially) Location - London (Hybrid) Ir35 - Inside (Must use an umbrella company) As a Senior Procurement Officer, you'll help us deliver the procurement strategy and policy across the organisation. You'll support the work of the Procurement Team by providing advice and guidance to a wide range of stakeholders. You will take ownership of procurement projects (RfQs and RfPs) and running full tenders which can range between £30k and £Ms. You'll be responsible for maintaining our procurement systems; Workday (P2P), Jaggaer (e-Procurement tools) and Hornbill (procurement ticketing system). Procurement Business Partner for Customer Connect & Workspaces and Communications - ownership and relationship management for both Directorates. Maintaining and managing relationships with the internal and external stakeholders, including senior leaders and Executive Team members on procurement projects and initiatives. Drafting documents such as procurement strategies, tender evaluation reports and Single Tender Actions and contributing to Business Cases and Business Justification documents. Managing our procurement tools; Workday, Jaggaer and Hornbill having responsibility for maintenance, improvements, integration with external systems such as the government's Central Digital Platform. Drafting tender documents, configuring and running tender events on our e-procurement tool - Jaggaer. Managing procurement projects and RfPs for a wide range services. Analysing information from various sources and using your skills to identify opportunities to source alternative suppliers and reduce our costs. Keeping your knowledge up to date as procurement legislation evolves. Taking personal responsibility for delivering on your objectives in line with our values. Your experience includes: Having a strong working knowledge of Microsoft Office, in particular manipulating complex data in Excel as well as a range of e-sourcing and procurement tools. Having strong knowledge and experience of public sector procurement and having attained CIPS L6 accreditation. Experience in running large open procurement competitions and call off contracts through the use of existing public sector frameworks and having an understanding of the UK Public Contracts Regulations. Using your strong numeracy (and MS Excel) skills to analyse data and drafting quarterly reports for the Exec Team and Board. Strong communications skills to guide a range of internal and external stakeholders through processes and the ability to run training sessions as required. Stakeholder management skills with the ability to deliver difficult messages. Being inquisitive and able to think logically - you'll understand and identify with our key stakeholder needs and queries and have the confidence to provide accurate advice. Using your skills to juggle several pieces of work at once - you'll be working on a range of projects at any given time. Using your initiative to identify areas where systems and processes can be improved. Working well with your colleagues - you'll know what it means to be a good team player

Job Title: 5G Private Solution Architect Location: Hybrid - 2 weeks in total from overall 3 months Duration: Contract end date - 30/01/2026 Clearance required: BPSS - UK Sole national Interview process: Tech IV Rate: £450 per day - PAYE via Umbrella Only Job Description: Provide a tangible vision of how MPNs can be implemented and utilised. Produce a proposed design of the solution across the ecosystem including MPN/Connectivity elements. Design solution with reference functional & technical requirements. Provide a cost estimate. Key Skills: 5G/4G Architecture : 5G SA/NSA architecture, EPC, 5GC (AMF, SMF, UPF), gNB/eNB design, Network Slicing. RAN : gNB, Radio Dots, Small Cell deployment, RAN planning & optimisation. CORE & Networking : Mobile 4G and 5G CORE, IP/MPLS, OSPF, BGP, VLANs, VRFs, DNS/DHCP, NAT. Security : IPSec, TLS, IAM, 3GPP Security Standards, Firewall policies. Cloud : AWS , Docker, OpenStack, CNFs/VNFs, SDN (optional). Edge and MEC : MEC deployment, edge orchestration, local breakout, latency optimisation. Integration : Enterprise system integration (IT/OT), interworking with public networks Tools and Standards : Familiarity with 3GPP, Wireshark etc. Business and Regulatory : Spectrum licensing (CBRS, n77/n78), ROI analysis, vendor evaluation. Vendor Management : Bare metal server (Dell ESXi/Proxymox) Define and validate SLAs, QoS profiles, and network KPIs in private deployments

Job Title: 5G Private Solution Architect Location: Hybrid - 2 weeks in total from overall 3 months Duration: Contract end date - 30/01/2026 Clearance required: BPSS - UK Sole national Interview process: Tech IV Rate: £450 per day - PAYE via Umbrella Only Job Description: Provide a tangible vision of how MPNs can be implemented and utilised. Produce a proposed design of the solution across the ecosystem including MPN/Connectivity elements. Design solution with reference functional & technical requirements. Provide a cost estimate. Key Skills: 5G/4G Architecture : 5G SA/NSA architecture, EPC, 5GC (AMF, SMF, UPF), gNB/eNB design, Network Slicing. RAN : gNB, Radio Dots, Small Cell deployment, RAN planning & optimisation. CORE & Networking : Mobile 4G and 5G CORE, IP/MPLS, OSPF, BGP, VLANs, VRFs, DNS/DHCP, NAT. Security : IPSec, TLS, IAM, 3GPP Security Standards, Firewall policies. Cloud : AWS , Docker, OpenStack, CNFs/VNFs, SDN (optional). Edge and MEC : MEC deployment, edge orchestration, local breakout, latency optimisation. Integration : Enterprise system integration (IT/OT), interworking with public networks Tools and Standards : Familiarity with 3GPP, Wireshark etc. Business and Regulatory : Spectrum licensing (CBRS, n77/n78), ROI analysis, vendor evaluation. Vendor Management : Bare metal server (Dell ESXi/Proxymox) Define and validate SLAs, QoS profiles, and network KPIs in private deployments

GenAI Prompt Engineer Certain Advantage are recruiting on behalf of our globally renowned brand for a GenAI Prompt Engineer in London, initially until 31st Dec. This will need 2-3 days working onsite in Central London. The Role & Responsibilities Design, test, and refine prompts to optimise the performance of LLMs across various tasks (e.g., summarisation, Q&A, content generation, reasoning). Develop prompt libraries and reusable templates for internal and external use cases. Collaborate with cross-functional teams to integrate prompt engineering into product workflows and AI pipelines. Analyse model outputs and user feedback to iteratively improve prompt effectiveness and reliability. Stay current with the latest research and advancements in prompt engineering, LLMs, and GenAI. Contribute to internal documentation, best practices, and knowledge sharing initiatives.Required Qualifications: Bachelor’s or Master’s degree in Computer Science, Artificial Intelligence, Linguistics, or a related field. Commercial years of experience in AI/ML, with at least 1 year focused on prompt engineering or working with LLMs. Strong understanding of NLP, transformer models, and generative AI principles. Hands-on experience with platforms such as OpenAI, Anthropic, Cohere, or Hugging Face. Proficiency in Python and familiarity with tools like LangChain, PromptLayer, or similar. Excellent analytical, problem-solving, and communication skills.Preferred Qualifications: Experience with prompt tuning, fine-tuning, or reinforcement learning from human feedback (RLHF). Familiarity with multi-modal AI systems (e.g., text-to-image, speech-to-text). Background in UX writing, technical writing, or computational linguistics. Contributions to open-source GenAI projects or publications in AI/ML conferences.    Does this sound like your next career move? Apply today!   Working with Certain Advantage We go the extra mile to find the best people for the job. If you’re hunting for a role where you can make an impact and grow your career, we’ll work with you to find it.   We work with businesses across the UK to find the best people in Finance, Marketing, IT and Engineering.   If this job isn’t for you, head to (url removed) and register for job alerts and career guidance tips

GenAI Prompt Engineer Certain Advantage are recruiting on behalf of our globally renowned brand for a GenAI Prompt Engineer in London, initially until 31st Dec. This will need 2-3 days working onsite in Central London. The Role & Responsibilities Design, test, and refine prompts to optimise the performance of LLMs across various tasks (e.g., summarisation, Q&A, content generation, reasoning). Develop prompt libraries and reusable templates for internal and external use cases. Collaborate with cross-functional teams to integrate prompt engineering into product workflows and AI pipelines. Analyse model outputs and user feedback to iteratively improve prompt effectiveness and reliability. Stay current with the latest research and advancements in prompt engineering, LLMs, and GenAI. Contribute to internal documentation, best practices, and knowledge sharing initiatives.Required Qualifications: Bachelor’s or Master’s degree in Computer Science, Artificial Intelligence, Linguistics, or a related field. Commercial years of experience in AI/ML, with at least 1 year focused on prompt engineering or working with LLMs. Strong understanding of NLP, transformer models, and generative AI principles. Hands-on experience with platforms such as OpenAI, Anthropic, Cohere, or Hugging Face. Proficiency in Python and familiarity with tools like LangChain, PromptLayer, or similar. Excellent analytical, problem-solving, and communication skills.Preferred Qualifications: Experience with prompt tuning, fine-tuning, or reinforcement learning from human feedback (RLHF). Familiarity with multi-modal AI systems (e.g., text-to-image, speech-to-text). Background in UX writing, technical writing, or computational linguistics. Contributions to open-source GenAI projects or publications in AI/ML conferences.    Does this sound like your next career move? Apply today!   Working with Certain Advantage We go the extra mile to find the best people for the job. If you’re hunting for a role where you can make an impact and grow your career, we’ll work with you to find it.   We work with businesses across the UK to find the best people in Finance, Marketing, IT and Engineering.   If this job isn’t for you, head to (url removed) and register for job alerts and career guidance tips

World Class Defence Organisation based in Bristol is currently looking to recruit a Technical Software Documentation Officer subcontractor on an initial 12-month contract.     ** The department are not looking for a Software Engineer (this is not an engineer position).  They are looking for someone with Documentation experience, ensuring all is correct for software releases.  The role will require an understanding of the software process. **   Rate: £65 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: The role will be onsite – but the department are happy for the role to be worked on a 4-day week (Monday to Thursday) basis Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview process   Technical Software Documentation Officer Job Description:   Capable, self-driven and flexible software professional to support multiple development teams in project management and software delivery. It would suit someone who enjoys multi-tasking, project management support and can act as a lynchpin, enabling the company to successfully to deliver fully qualified software products. What the department are looking for; A process champion to assist our software development teams with planning, documentation, configuration and delivery.  Key skills required include: Experience of software process in high reliability, safety or regulated sectors Experience of Software Engineering Lifecycle Knowledge of Project Management principles Role includes: Providing software input and configuration management Supporting multiple programmes Directly interfacing with software engineers and project leaders Supporting internal customer teams, such as Test and lab custodians Supporting delivery of Integration deliverables Other info: This role supports a large range of project and people simultaneously, a constantly evolving challenge This role is for someone who likes to be aware of the big picture, as it constantly involves activities across the software lifecycle This role is for someone who wants to work in software and enjoys multi-tasking Ideal for someone who is thinking about a move to project management Overtime rate of ?time and a quarter?

World Class Defence Organisation based in Bristol is currently looking to recruit a Technical Software Documentation Officer subcontractor on an initial 12-month contract.     ** The department are not looking for a Software Engineer (this is not an engineer position).  They are looking for someone with Documentation experience, ensuring all is correct for software releases.  The role will require an understanding of the software process. **   Rate: £65 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: The role will be onsite – but the department are happy for the role to be worked on a 4-day week (Monday to Thursday) basis Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview process   Technical Software Documentation Officer Job Description:   Capable, self-driven and flexible software professional to support multiple development teams in project management and software delivery. It would suit someone who enjoys multi-tasking, project management support and can act as a lynchpin, enabling the company to successfully to deliver fully qualified software products. What the department are looking for; A process champion to assist our software development teams with planning, documentation, configuration and delivery.  Key skills required include: Experience of software process in high reliability, safety or regulated sectors Experience of Software Engineering Lifecycle Knowledge of Project Management principles Role includes: Providing software input and configuration management Supporting multiple programmes Directly interfacing with software engineers and project leaders Supporting internal customer teams, such as Test and lab custodians Supporting delivery of Integration deliverables Other info: This role supports a large range of project and people simultaneously, a constantly evolving challenge This role is for someone who likes to be aware of the big picture, as it constantly involves activities across the software lifecycle This role is for someone who wants to work in software and enjoys multi-tasking Ideal for someone who is thinking about a move to project management Overtime rate of ?time and a quarter?

World Class Defence Organisation based in Bristol is currently looking to recruit a Technical Software Documentation Officer subcontractor on an initial 12-month contract.     ** The department are not looking for a Software Engineer (this is not an engineer position).  They are looking for someone with Documentation experience, ensuring all is correct for software releases.  The role will require an understanding of the software process. **   Rate: £65 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: The role will be onsite – but the department are happy for the role to be worked on a 4-day week (Monday to Thursday) basis Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview process   Technical Software Documentation Officer Job Description:   Capable, self-driven and flexible software professional to support multiple development teams in project management and software delivery. It would suit someone who enjoys multi-tasking, project management support and can act as a lynchpin, enabling the company to successfully to deliver fully qualified software products. What the department are looking for; A process champion to assist our software development teams with planning, documentation, configuration and delivery.  Key skills required include: Experience of software process in high reliability, safety or regulated sectors Experience of Software Engineering Lifecycle Knowledge of Project Management principles Role includes: Providing software input and configuration management Supporting multiple programmes Directly interfacing with software engineers and project leaders Supporting internal customer teams, such as Test and lab custodians Supporting delivery of Integration deliverables Other info: This role supports a large range of project and people simultaneously, a constantly evolving challenge This role is for someone who likes to be aware of the big picture, as it constantly involves activities across the software lifecycle This role is for someone who wants to work in software and enjoys multi-tasking Ideal for someone who is thinking about a move to project management Overtime rate of ?time and a quarter?

Market Risk Analyst – European Gas Trading London (Hybrid) 12-Month Contract Day Rate: Negotiable Are you a seasoned Market Risk Analyst with a passion for energy trading and a deep understanding of the European gas markets? We’re hiring on behalf of a leading global energy company for a 12-month contract role based in London (hybrid working). This opportunity sits at the heart of a fast-paced, dynamic energy trading business focused on cleaner, more diverse energy solutions. As a key member of the Gas Market Risk Team, you’ll be responsible for assessing, measuring, and advising on market risks across structured deals and trading strategies within European gas markets. The Role As a Market Risk Analyst, you’ll work closely with traders and commercial stakeholders, independently assessing risk and providing insights to help guide decision-making and ensure compliance with risk appetite frameworks. You’ll help model complex financial and physical optionality, collaborate on valuation strategies, and play a critical role in automating and improving risk processes. Key Responsibilities Partner with front office to assess new deals and monitor exposure/risk limits. Independently evaluate and report on market risks and structured products. Provide input on valuations, including gas options, swing contracts, and storage assets. Support modelling of physical optionality and changing exposures with the Quant/Valuation teams. Drive digitalisation and automation initiatives within risk and reporting processes. Offer clear, independent guidance on risk/return dynamics. Contribute to continuous improvement of risk controls, including SOX compliance.What You’ll Bring Proven experience in a market risk or risk advisory role within an energy trading environment. Deep knowledge of the European gas, LNG, and biogas markets, including storage and transport infrastructure. Strong understanding of derivative instruments and risk modelling. Ability to work independently and challenge commercial stakeholders confidently. Solid grasp of interrelated asset classes like power, carbon, and oil. Tech-savvy mindset – able to harness technology for automation and insight generation. Excellent communication and stakeholder engagement skills – capable of presenting to senior management.Preferred Background Degree in a quantitative or analytical discipline (e.g. Economics, Maths, Science, Engineering, IT). Familiarity with fair economic value (FEV) principles and global risk policies desirable.This is an exciting opportunity to work at the forefront of the European gas trading market, helping shape strategy and ensure robust risk management for a global player. Interested? Apply now with your updated CV and reach out to Tom Johnson at Certain Advantage

Market Risk Analyst – European Gas Trading London (Hybrid) 12-Month Contract Day Rate: Negotiable Are you a seasoned Market Risk Analyst with a passion for energy trading and a deep understanding of the European gas markets? We’re hiring on behalf of a leading global energy company for a 12-month contract role based in London (hybrid working). This opportunity sits at the heart of a fast-paced, dynamic energy trading business focused on cleaner, more diverse energy solutions. As a key member of the Gas Market Risk Team, you’ll be responsible for assessing, measuring, and advising on market risks across structured deals and trading strategies within European gas markets. The Role As a Market Risk Analyst, you’ll work closely with traders and commercial stakeholders, independently assessing risk and providing insights to help guide decision-making and ensure compliance with risk appetite frameworks. You’ll help model complex financial and physical optionality, collaborate on valuation strategies, and play a critical role in automating and improving risk processes. Key Responsibilities Partner with front office to assess new deals and monitor exposure/risk limits. Independently evaluate and report on market risks and structured products. Provide input on valuations, including gas options, swing contracts, and storage assets. Support modelling of physical optionality and changing exposures with the Quant/Valuation teams. Drive digitalisation and automation initiatives within risk and reporting processes. Offer clear, independent guidance on risk/return dynamics. Contribute to continuous improvement of risk controls, including SOX compliance.What You’ll Bring Proven experience in a market risk or risk advisory role within an energy trading environment. Deep knowledge of the European gas, LNG, and biogas markets, including storage and transport infrastructure. Strong understanding of derivative instruments and risk modelling. Ability to work independently and challenge commercial stakeholders confidently. Solid grasp of interrelated asset classes like power, carbon, and oil. Tech-savvy mindset – able to harness technology for automation and insight generation. Excellent communication and stakeholder engagement skills – capable of presenting to senior management.Preferred Background Degree in a quantitative or analytical discipline (e.g. Economics, Maths, Science, Engineering, IT). Familiarity with fair economic value (FEV) principles and global risk policies desirable.This is an exciting opportunity to work at the forefront of the European gas trading market, helping shape strategy and ensure robust risk management for a global player. Interested? Apply now with your updated CV and reach out to Tom Johnson at Certain Advantage

Certain Advantage are recruiting on behalf of a globally renowned automotive brand for a Battery Test Automation Engineer to focus on the delivery of automation tools in support of the development and design verification of HV Traction Battery Systems.   This is a contract inside IR35 until 31st March (initially) based in Gaydon, Warwickshire.   The role will operate across internal facilities and external test houses managing automation tools, leading the development of these tools and guiding colleagues and partners on their use, ensuring adherence to safety policies and procedures and planning for future test capabilities, requirements and applications. You’ll have responsibility for providing the first line trouble shooting and diagnostic support for all battery test automation tools and issue management across our battery test field. You'll be working with a wide range of engineering customers, skilled test facility operators, suppliers, external agencies and organisations. You'll have responsibility for providing tools and analysing issues across the field to ensure minimal downtime and maximum test efficiency.   Skills: Highly proficient in programming languages including CAPL, Python and C++ Expert on CAN/FlexRay/LIN/Ethernet Communication protocols, including use of CANoe and CANalyzer for HV system analysis, diagnostics and test automation Experience in data analysis and visualisation tools and platforms including AVL Concerto, CANalyzer, Tableau, Minitab Experience with automotive network interface tools (such as Vector CANalyzer/CANape/CANoe, INCA, VehicleSpy). Comprehensive understanding of High Voltage HEV/BEV powertrain systems. Technical expertise in HV Battery and Charging technology and facility operations. The ability to validate, prepare and read engineering documents and electrical schematics. Significant experience of data analysis and reporting issues to first-line and senior management Natural problem-solver with structured approach to problem solving in a technical environment. Strong knowledge of Health and Safety requirements, Risk Assessment, COSHH and SDS. Significant experience with data acquisition and control systems. Technical expertise and significant experience of test facility operations and system under test Preparation. Computer literate, including Microsoft Office competency to produce plans, presentations, graphs, process documentation and Single Point Lessons (SPL). A full UK driving license with less than 6 penalty points, no disqualifications.  Does this sound like your next career move? Apply today!   Working with Certain Advantage   We go the extra mile to find the best people for the job. If you’re hunting for a role where you can make an impact and grow your career, we’ll work with you to find it.   We work with businesses across the UK to find the best people in Finance, Marketing, IT and Engineering.   If this job isn’t for you, head to (url removed) and register for job alerts and career guidance tips

Certain Advantage are recruiting on behalf of a globally renowned automotive brand for a Battery Test Automation Engineer to focus on the delivery of automation tools in support of the development and design verification of HV Traction Battery Systems.   This is a contract inside IR35 until 31st March (initially) based in Gaydon, Warwickshire.   The role will operate across internal facilities and external test houses managing automation tools, leading the development of these tools and guiding colleagues and partners on their use, ensuring adherence to safety policies and procedures and planning for future test capabilities, requirements and applications. You’ll have responsibility for providing the first line trouble shooting and diagnostic support for all battery test automation tools and issue management across our battery test field. You'll be working with a wide range of engineering customers, skilled test facility operators, suppliers, external agencies and organisations. You'll have responsibility for providing tools and analysing issues across the field to ensure minimal downtime and maximum test efficiency.   Skills: Highly proficient in programming languages including CAPL, Python and C++ Expert on CAN/FlexRay/LIN/Ethernet Communication protocols, including use of CANoe and CANalyzer for HV system analysis, diagnostics and test automation Experience in data analysis and visualisation tools and platforms including AVL Concerto, CANalyzer, Tableau, Minitab Experience with automotive network interface tools (such as Vector CANalyzer/CANape/CANoe, INCA, VehicleSpy). Comprehensive understanding of High Voltage HEV/BEV powertrain systems. Technical expertise in HV Battery and Charging technology and facility operations. The ability to validate, prepare and read engineering documents and electrical schematics. Significant experience of data analysis and reporting issues to first-line and senior management Natural problem-solver with structured approach to problem solving in a technical environment. Strong knowledge of Health and Safety requirements, Risk Assessment, COSHH and SDS. Significant experience with data acquisition and control systems. Technical expertise and significant experience of test facility operations and system under test Preparation. Computer literate, including Microsoft Office competency to produce plans, presentations, graphs, process documentation and Single Point Lessons (SPL). A full UK driving license with less than 6 penalty points, no disqualifications.  Does this sound like your next career move? Apply today!   Working with Certain Advantage   We go the extra mile to find the best people for the job. If you’re hunting for a role where you can make an impact and grow your career, we’ll work with you to find it.   We work with businesses across the UK to find the best people in Finance, Marketing, IT and Engineering.   If this job isn’t for you, head to (url removed) and register for job alerts and career guidance tips

World Class Defence Organisation is currently looking to recruit 3x C# / C++ Software Engineer subcontractors on an initial 12 month contract. Job Title: C# / C++ Software Engineer Rate: £65.00 per hour Location: Stevenage Hybrid / Remote working: The role will be a hybrid role of 3 or 4 days per week onsite.  The role will be needed to be onsite full time for the first 3 months and then will revert to a hybrid role. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   C# / C++ Software Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the full product life cycle.   The team integrate real products, models and synthetic environments to provide visualisations, demonstrations, verification & validation as well as training capability and support. The role support the development of the worlds most advanced defence systems from the initial concept all the way through to in service support and training, using a range of simulation technologies, including digital twins and emulators. Working with Project Leads and Simulation Architects to design and develop simulation components as an end to end representation of a weapon System in a synthetic environment using C#, C++ and integration simulations, supporting a number of industry standards. You will work as part of a heterogeneous agile development team, made up of mixed discipline engineers working in synergy to develop simulations and representations of real equipment. Our approach to software development includes Configuration control Continuous Integration Continuous Delivery or Deployment. Unit testing and test driven development.  Skillset / experience required: Proficient in C# / C++ Microsoft Visual Studio, Eclipse, Ability to work from high level/system view into technical detail. Excellent verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Non-essential: Distributed simulation standards / Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes Overtime rate

World Class Defence Organisation is currently looking to recruit 3x C# / C++ Software Engineer subcontractors on an initial 12 month contract. Job Title: C# / C++ Software Engineer Rate: £65.00 per hour Location: Stevenage Hybrid / Remote working: The role will be a hybrid role of 3 or 4 days per week onsite.  The role will be needed to be onsite full time for the first 3 months and then will revert to a hybrid role. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   C# / C++ Software Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the full product life cycle.   The team integrate real products, models and synthetic environments to provide visualisations, demonstrations, verification & validation as well as training capability and support. The role support the development of the worlds most advanced defence systems from the initial concept all the way through to in service support and training, using a range of simulation technologies, including digital twins and emulators. Working with Project Leads and Simulation Architects to design and develop simulation components as an end to end representation of a weapon System in a synthetic environment using C#, C++ and integration simulations, supporting a number of industry standards. You will work as part of a heterogeneous agile development team, made up of mixed discipline engineers working in synergy to develop simulations and representations of real equipment. Our approach to software development includes Configuration control Continuous Integration Continuous Delivery or Deployment. Unit testing and test driven development.  Skillset / experience required: Proficient in C# / C++ Microsoft Visual Studio, Eclipse, Ability to work from high level/system view into technical detail. Excellent verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Non-essential: Distributed simulation standards / Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes Overtime rate

World Class Defence Organisation based in is currently looking to recruit a Full Stack Software Development Engineer.   Rate: £67.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: 4 days per week onsite (a 4 day week of Monday to Thursday is possible) Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: 1 or 2 stage video interview   Full Stack Software Development Engineer Job Description:   The Environment Simulator Group provide a real-time environment, running simulations of the sub-systems to test the operation of the unit under test. You will be working within a small and will be responsible for: - The continued development of the Web UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience of working on complex, distributed systems with Containerisation including a knowledge of Kubernetes / Docker You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You have experience working in an agile development environment. You have the ability to identify and solve complex problems. You have the ability to design innovative and user-friendly interfaces. You are familiar with modern software testing and deployment practices such as TDD & CI/CD You can set up CI / CD Pipelines You are comfortable with all aspects of the software development lifecycle (planning, analysis, design, implementation, testing and deployment, maintenance) You have excellent communication skills and are comfortable collaborating across teams and with senior stakeholders You have mentored & assisted junior members of the team. Desirable experience: You have experience with other languages such as C++ Linux sysadmin/DevOps/deployment Overtime Rate

World Class Defence Organisation based in is currently looking to recruit a Full Stack Software Development Engineer.   Rate: £67.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: 4 days per week onsite (a 4 day week of Monday to Thursday is possible) Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: 1 or 2 stage video interview   Full Stack Software Development Engineer Job Description:   The Environment Simulator Group provide a real-time environment, running simulations of the sub-systems to test the operation of the unit under test. You will be working within a small and will be responsible for: - The continued development of the Web UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience of working on complex, distributed systems with Containerisation including a knowledge of Kubernetes / Docker You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You have experience working in an agile development environment. You have the ability to identify and solve complex problems. You have the ability to design innovative and user-friendly interfaces. You are familiar with modern software testing and deployment practices such as TDD & CI/CD You can set up CI / CD Pipelines You are comfortable with all aspects of the software development lifecycle (planning, analysis, design, implementation, testing and deployment, maintenance) You have excellent communication skills and are comfortable collaborating across teams and with senior stakeholders You have mentored & assisted junior members of the team. Desirable experience: You have experience with other languages such as C++ Linux sysadmin/DevOps/deployment Overtime Rate

World Class Defence Organisation based in Bristol is currently looking to recruit 3x C++ Software Engineer subcontractors on an initial 12 month contract, with very likely extension.  The role will be onsite 4 days per week.  A 4 day working week is OK (Monday to Thursday).   Rate: £65.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: The HMI & Cyber team is looking for software engineers to join us developing the future laser defence capability for the Royal Navy. We are looking for engineers with both a deep and broad range of experience in software engineering throughout the development as well as being able to support and mentor other engineers in their team.   Responsibilities: Development of a C++ HMI application on a Linux Operating System To undertake a full range of engineering activities in line with relevant processes, quality and other requirements Be capable of developing collaborative relationships with team members both within the SW organisation and other parts of the company Be willing and able to support other engineers within the team  Skillset/experience required: Skillset/Experience required: Use of C++ in a safety related environment Knowledge of Software development practices and process is required A Software Engineer capable of design, development and proving of efficient Software.  Bonus Experience / Knowledge: Experience using Qt GUI framework Integration and use of GIS tools Information security experience included methods of locking down operating systems and deployment in a Windows and Linux environment. Knowledge of DDS middleware Integration of external video streams Automated Testing Overtime Rate

World Class Defence Organisation based in Bristol is currently looking to recruit 3x C++ Software Engineer subcontractors on an initial 12 month contract, with very likely extension.  The role will be onsite 4 days per week.  A 4 day working week is OK (Monday to Thursday).   Rate: £65.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: The HMI & Cyber team is looking for software engineers to join us developing the future laser defence capability for the Royal Navy. We are looking for engineers with both a deep and broad range of experience in software engineering throughout the development as well as being able to support and mentor other engineers in their team.   Responsibilities: Development of a C++ HMI application on a Linux Operating System To undertake a full range of engineering activities in line with relevant processes, quality and other requirements Be capable of developing collaborative relationships with team members both within the SW organisation and other parts of the company Be willing and able to support other engineers within the team  Skillset/experience required: Skillset/Experience required: Use of C++ in a safety related environment Knowledge of Software development practices and process is required A Software Engineer capable of design, development and proving of efficient Software.  Bonus Experience / Knowledge: Experience using Qt GUI framework Integration and use of GIS tools Information security experience included methods of locking down operating systems and deployment in a Windows and Linux environment. Knowledge of DDS middleware Integration of external video streams Automated Testing Overtime Rate

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a C++ Software Engineer subcontractor on an initial 12 month contract, with very likely extension.  The role will be onsite 4 days per week.  A 4 day working week is OK (Monday to Thursday).   Candidates with a strong C++ Software Engineering / Embedded Software Engineer background ideally from the Defence / Aerospace industry would be suitable for this position. Rate: £67.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: By embracing the latest software technologies and methods the Development Simulation software department delivers exceptional software solutions for non-production based test systems that meet the unique requirements of the prime software development teams.  In addition we also provide equipment simulation systems to support product integration as well as software to support and assist the manufacturing process. The successful candidate will join the development team responsible for building and integrating real-time test and data capture systems. The role will focus on developing and maintaining software in a Linux environment, working closely with high-speed multi-channel SFPDP cards, real-time data flows, and complex multi-threaded processing pipelines. Proficient in C++ and with knowledge of C#, you will play a critical part in the design, development, integration, and verification of test software solutions that are central to our system validation and delivery capabilities. Responsibilities: Design and develop real-time test and capture software on Linux systems using C++. Integrate and interface with high-speed SFPDP cards across multi-channel data pipelines. Architect and implement robust, scalable, and maintainable multi-threaded applications. Define and implement data sequencing and synchronisation logic to support deterministic capture and replay. Work with hardware teams to ensure seamless integration and timing alignment between software and capture cards. Lead and contribute to system integration, verification, and testing at both component and system levels. Conduct performance analysis, debugging, and optimisation of real-time systems. Document architecture, interface definitions, and test procedures to support handover and formal test activities. Skillset/experience required: Extensive experience in C++ development in a Linux environment. Proficiency in C# for tooling, test interfaces, or Windows components as needed. Proven experience working with real-time data systems, preferably involving SFPDP or other high-speed digital protocols. Demonstrable skills in multi-threaded and concurrent programming. Experience with low-level I/O, DMA, or driver-level interactions with PCIe cards or similar. Familiarity with software sequencing frameworks or custom state machines for test execution. Strong experience with integration, system test, and debugging complex interactions between software and hardware. Strong understanding of software design principles, memory management, and performance optimisation. Experience with version control systems (e.g., Git) and CI/CD Desirable Skills: Experience with SFPDP (Serial Front Panel Data Port) specifically in defence, aerospace, or data acquisition contexts. Knowledge of FPGA-based data acquisition systems and synchronisation methods. Familiarity with unit testing frameworks, automated test rigs, or hardware-in-the-loop (HWIL) setups. Experience developing or integrating with real-time operating systems (RTOS) or using real-time Linux extensions Overtime Rate

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a C++ Software Engineer subcontractor on an initial 12 month contract, with very likely extension.  The role will be onsite 4 days per week.  A 4 day working week is OK (Monday to Thursday).   Candidates with a strong C++ Software Engineering / Embedded Software Engineer background ideally from the Defence / Aerospace industry would be suitable for this position. Rate: £67.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: By embracing the latest software technologies and methods the Development Simulation software department delivers exceptional software solutions for non-production based test systems that meet the unique requirements of the prime software development teams.  In addition we also provide equipment simulation systems to support product integration as well as software to support and assist the manufacturing process. The successful candidate will join the development team responsible for building and integrating real-time test and data capture systems. The role will focus on developing and maintaining software in a Linux environment, working closely with high-speed multi-channel SFPDP cards, real-time data flows, and complex multi-threaded processing pipelines. Proficient in C++ and with knowledge of C#, you will play a critical part in the design, development, integration, and verification of test software solutions that are central to our system validation and delivery capabilities. Responsibilities: Design and develop real-time test and capture software on Linux systems using C++. Integrate and interface with high-speed SFPDP cards across multi-channel data pipelines. Architect and implement robust, scalable, and maintainable multi-threaded applications. Define and implement data sequencing and synchronisation logic to support deterministic capture and replay. Work with hardware teams to ensure seamless integration and timing alignment between software and capture cards. Lead and contribute to system integration, verification, and testing at both component and system levels. Conduct performance analysis, debugging, and optimisation of real-time systems. Document architecture, interface definitions, and test procedures to support handover and formal test activities. Skillset/experience required: Extensive experience in C++ development in a Linux environment. Proficiency in C# for tooling, test interfaces, or Windows components as needed. Proven experience working with real-time data systems, preferably involving SFPDP or other high-speed digital protocols. Demonstrable skills in multi-threaded and concurrent programming. Experience with low-level I/O, DMA, or driver-level interactions with PCIe cards or similar. Familiarity with software sequencing frameworks or custom state machines for test execution. Strong experience with integration, system test, and debugging complex interactions between software and hardware. Strong understanding of software design principles, memory management, and performance optimisation. Experience with version control systems (e.g., Git) and CI/CD Desirable Skills: Experience with SFPDP (Serial Front Panel Data Port) specifically in defence, aerospace, or data acquisition contexts. Knowledge of FPGA-based data acquisition systems and synchronisation methods. Familiarity with unit testing frameworks, automated test rigs, or hardware-in-the-loop (HWIL) setups. Experience developing or integrating with real-time operating systems (RTOS) or using real-time Linux extensions Overtime Rate

Senior/Lead QA Automation Engineer **Only apply if you currently have the right to work in the UK without sponsorship and are willing to work onsite 2-3 days per week in Central London** Certain Advantage are recruiting on behalf of our global energy trading client in London for a Senior/Lead QA Automation Engineer working onsite 3 days per week. Starting ASAP initially until 31st October this contract is working inside IR35. You must demonstrate Automation experience, with the ability to manage and deliver top quality testing for medium to large programs. Essential candidate experience sought: Experience as QA lead. Agile testing & test automation (accelerators tools). Selenium C# with BDD framework using Specflow, API Automation. Implementation of selenium Grid. Demonstrable experience applying appropriate test measurements & metrics.Roles and Responsibilities: Take a leadership position in automation, working with Architects and Scrum team members to clarify requirements, ensure testability and the ability to automate. Provide feedback on design, both functional and technical. Innovate on latest tools and processes to improve QA functional, manual and Automation testing. Document best practices and mentor junior team members. Work on frameworks to ensure continuous deployment and continuous integration. Develop new proofs-of-concepts for QA Automation, ensuring continual improvements. The role has frequent exposure to and interaction with senior levels of business leadership. Works independently under minimal managerial supervision. Delivers the work as assigned, applying the work procedures, frameworks. Guidance provided for those tasks where there are limited precedents available. Define roadmap in collaboration with Portfolio/IT managers and drive alignment across all stakeholders,  Does this sound like your next career move? Apply today!   Working with Certain Advantage   We go the extra mile to find the best people for the job. If you’re hunting for a role where you can make an impact and grow your career, we’ll work with you to find it.   We work with businesses across the UK to find the best people in Finance, Marketing, IT and Engineering.   If this job isn’t for you, head to (url removed) and register for job alerts and career guidance tips

Senior/Lead QA Automation Engineer **Only apply if you currently have the right to work in the UK without sponsorship and are willing to work onsite 2-3 days per week in Central London** Certain Advantage are recruiting on behalf of our global energy trading client in London for a Senior/Lead QA Automation Engineer working onsite 3 days per week. Starting ASAP initially until 31st October this contract is working inside IR35. You must demonstrate Automation experience, with the ability to manage and deliver top quality testing for medium to large programs. Essential candidate experience sought: Experience as QA lead. Agile testing & test automation (accelerators tools). Selenium C# with BDD framework using Specflow, API Automation. Implementation of selenium Grid. Demonstrable experience applying appropriate test measurements & metrics.Roles and Responsibilities: Take a leadership position in automation, working with Architects and Scrum team members to clarify requirements, ensure testability and the ability to automate. Provide feedback on design, both functional and technical. Innovate on latest tools and processes to improve QA functional, manual and Automation testing. Document best practices and mentor junior team members. Work on frameworks to ensure continuous deployment and continuous integration. Develop new proofs-of-concepts for QA Automation, ensuring continual improvements. The role has frequent exposure to and interaction with senior levels of business leadership. Works independently under minimal managerial supervision. Delivers the work as assigned, applying the work procedures, frameworks. Guidance provided for those tasks where there are limited precedents available. Define roadmap in collaboration with Portfolio/IT managers and drive alignment across all stakeholders,  Does this sound like your next career move? Apply today!   Working with Certain Advantage   We go the extra mile to find the best people for the job. If you’re hunting for a role where you can make an impact and grow your career, we’ll work with you to find it.   We work with businesses across the UK to find the best people in Finance, Marketing, IT and Engineering.   If this job isn’t for you, head to (url removed) and register for job alerts and career guidance tips