This is an excellent opportunity for an experienced Commissioning Engineer to support the delivery of major water and wastewater process engineering projects across the full commissioning lifecycle.
There are two positions available - one in Hertfordshire and one in Surrey. The roles can be engaged Inside or Outside IR35 and will suit engineers with strong hands-on commissioning experience who are comfortable overseeing installation, testing, systems integration and final handover.
You'll work closely with design teams, suppliers, subcontractors and client teams, combining technical commissioning responsibilities with site supervision, programme coordination and quality assurance.
The Role
You'll be involved in:
Delivering commissioning across water and wastewater process projects
Providing commissioning input from design through to final handover
Developing commissioning plans, procedures and associated documentation
Undertaking hands-on commissioning activities
Leading Factory and Site Acceptance Testing (FAT/SAT)
Witnessing and inspecting installation, testing and subcontractor commissioning activities
Coordinating electrical and mechanical installation and commissioning
Reviewing electrical and mechanical schematics, FDS and P&IDs
Configuring and calibrating analytical equipment and integrating monitoring systems
Managing defects, snagging and technical close-out
Reviewing and approving RAMS for commissioning activities
Monitoring supply-chain performance and driving improvements
Coordinating third-party engineers and specialist subcontractors
Supporting Early Contractor Involvement through site surveys and system reviews
Managing process and M&E scope, programme and design changes
Troubleshooting technical issues and implementing practical solutions
Capturing installation, testing and commissioning records
Providing progress reports and updates to project management teams
Delivering training to client operations and maintenance teams
Acting as a front-line supervisor during installation and commissioning phasesWhat They're Looking For
5+ years' experience, preferably within a water-sector commissioning role
Previous experience working for a main contractor on water and wastewater process engineering projects
HNC / Degree in a relevant Engineering discipline, or an engineering apprenticeship and NVQ with suitable experience
Strong understanding of electrical and mechanical installation and commissioning
Proven experience taking projects through installation, commissioning and handover
Ability to interpret electrical/mechanical schematics, FDS and P&IDs
Knowledge of relevant standards, safety rules and statutory legislation
Strong troubleshooting and analytical problem-solving capabilities
Ability to lead site teams where required
Confident client-facing communication skills
Strong organisational skills with the ability to self-manage
ECS (CSCS) card
Water Hygiene card
SSSTS or SMSTS
BS 7671 18th Edition
First Aid at WorkCompEx qualifications and professional registration/membership would be advantageous.
The successful candidate may also undertake an Electrical AP or Mechanical AP role, subject to assessment and training.
Why Apply?
£500-£600 per day
Inside or Outside IR35 options
Initial 6-month contract
Two positions available - Hertfordshire and Surrey
40-45 hours per week
Full lifecycle commissioning responsibility
Hands-on technical and site leadership role
Major water and wastewater process engineering projects
Strong exposure to mechanical, electrical and process systems
FAT/SAT, installation, commissioning and handover responsibilityIf you're an experienced Commissioning Engineer with a strong background delivering water and wastewater process engineering projects for a main contractor, apply now to be considered
