Service Architect

Job Description: Key Responsibilities * Produce compliant High Level Design (HLD) documents for existing services. * Produce supporting Low Level Design (LLD) documentation. * Develop Business Process Guides and…

Contract type Contract
Posted 21 August 2026

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About this contract

Job Description:
Key Responsibilities

* Produce compliant High Level Design (HLD) documents for existing services.

* Produce supporting Low Level Design (LLD) documentation.

* Develop Business Process Guides and operational documentation.

* Conduct interviews and workshops with SMEs and Customer to capture current service architectures and processes.

* Ensure documentation accurately reflects existing service delivery and support models.

* Apply Secure by Design principles within documentation where appropriate.

* Support review, assurance and governance activities, addressing comments from the Technical Design Office and other stakeholders.

Essential Experience

* Demonstrable experience authoring technical documentation.

* Proven experience producing or contributing to HLDs, LLDs and process guides.

* Strong understanding of service architecture and technical design documentation.

* Ability to rapidly assimilate technical information from SMEs.

* Excellent written communication and stakeholder engagement skills.

* Experience working within governance and assurance frameworks.

Desirable Experience

* Understanding of Secure by Design principles and assurance processes.

* Experience of Digital & Data environments.

* Experience supporting service transition or onboarding activities

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