MOD Technical Documents Architect

Mastek Limited; United Kingdom; Remote; GBP 70,000 - 100,000; Full time

Job summary

Mastek requires an experienced Technical Documents Author / Service Architect to document existing live services for Army HQ transitions into MOD Digital & Data ownership. You will capture designs and configurations, producing MOD-compliant documentation for review by the TDO, in a six-month engagement with possibility of extension.

The role demands strong technical writing, collaboration with SMEs and cross-functional teams, and adherence to Defence governance and Secure by Design principles.

Qualifications

• Demonstrable experience authoring MOD or wider UK Government 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 and translate it into clear, structured documentation.
• Excellent written communication and stakeholder engagement skills.
• Experience working within Defence governance and assurance frameworks.
• Understanding of Secure by Design principles and Defence assurance processes.
• Experience of Defence Digital / MOD Digital & Data environments.
• Experience supporting service transition or onboarding activities.
• Familiarity with Digital Commerce & Experience and Technical Architecture domains, with the ability to align documentation to established architectural standards.

Responsibilities

• Produce MOD-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 Mastek 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.
• Support service transition or onboarding activities as required, ensuring documentation remains current and aligned with Defence governance expectations.

Skills

MOD documentation

HLD/LLD docs

Service architecture

Stakeholder communication

Defence governance

Secure by Design

Defence Digital

Service transition

Architectural standards

Digital/MOD environments

Job description

Mastek requires an experienced Technical Documents Author / Service Architect to document existing live services for Army HQ transitions into MOD Digital & Data ownership. You will capture designs and configurations, producing MOD-compliant documentation for review by the TDO, in a six-month engagement with possibility of extension.

The role demands strong technical writing, collaboration with SMEs and cross-functional teams, and adherence to Defence governance and Secure by Design principles.