Role Enterprise Architect
Location: 2-3 days on site and occasional in London travel expected to other client sites.
Security Clearance: UK DV Clearance (MANDATORY)
Planned start date: 21st November 2025
Duration: 4.5 months (27th March 2026)
IR35 status TBC
About the Role
We are seeking an experienced Enterprise Architect to join our client's architecture team. This is an exceptional opportunity to shape enterprise-wide architectural strategies and technical solutions for critical programmes.
The successful candidate will be responsible for developing and maintaining enterprise architecture frameworks, ensuring alignment between business strategy and technology implementation across multiple secure programmes.
Key responsibilities
* Design and evolve enterprise architecture frameworks aligned to standards and NAF methodologies
* Develop comprehensive architecture views across multiple domains including application, data, technology, security, and business perspectives
* Create targeted architecture views such as system context diagrams, integration landscapes, data flow models, capability maps, and technology roadmaps
* Lead architectural governance across complex programmes and secure environments
* Create and maintain architectural models, documentation and artefacts using tools such as BizzDesign and Sparx Enterprise Architect
* Build stakeholder-specific viewpoints tailored to different audiences (technical teams, programme boards, senior leadership)
* Provide strategic architectural guidance to programme teams and senior stakeholders
* Conduct architecture reviews and assurance activities across the technology estateEnsure compliance with Defence security policies, standards, and architectural principles
* Collaborate with customer and solution architects, technical leads, and business stakeholders to deliver integrated solutions
* Support bid activities and contribute to technical proposals for follow on work
Essential requirements
* Proven experience as an Enterprise Architect within defence and/or secure government sectors
* Demonstrable experience building multi-layered architecture views and viewpoints for diverse stakeholder groups
* Strong knowledge of enterprise architecture frameworks (TOGAF, NAF)
* Experience working within secure environments and understanding of defence security requirements
* Hands‑on experience with using Enterprise Architecture toolsets e.g. Sparx Enterprise Architect
* Experience with cloud architectures and DevSecOps in secure environments
* Understanding of systems engineering principles and integration patterns
* Excellent stakeholder management and communication skills at senior levels
Desirable skills
* TOGAF, NAF or other relevant architecture certifications
* Knowledge of defence capability delivery and acquisition processes
* Experience with agile delivery methodologies in enterprise contexts
Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take up to a minimum 18 weeks. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending on the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds.
Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.
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