Technical Architect

2 weeks ago


Corsham, Wiltshire, United Kingdom 81a5f972-7f31-4517-8d08-68cd572b2cee Full time £60,000 - £120,000 per year

Lead Technical Architect – 12-Month Contract (Hybrid | SC Cleared | MOD Sites)

Location:
Hybrid — occasional visits to
Corsham
and
Northwood
MOD sites

Clearance:
Active SC clearance required

Duration:
12 Months - will extend

Coltech are supporting a major long-term Defence programme and we're looking for a
Lead Technical Architect
to join a small, senior architecture team shaping the next-generation
All-Domain Data Interoperability (ADDI)
platform.

This role is ideal for someone who can take early-stage or prototype architectures and evolve them into secure, scalable, production-grade systems. You'll combine architectural vision with hands-on technical leadership across engineering teams.

What you'll be doing

  • Define and own the target architecture and technical roadmap
  • Evolve PoCs into validated patterns, reusable components and reference services
  • Set and enforce standards across security, interoperability and deployment
  • Lead architectural decision-making, design reviews and technical assurance
  • Provide code-level guidance and pattern stewardship
  • Shape DevSecOps, IaC and automation practices for secure delivery at pace
  • Work closely with programme leadership and senior Defence stakeholders

What we're looking for

  • Strong background architecting complex, distributed systems
  • Experience hardening prototype/experimental architectures into production
  • Deep knowledge of APIs, microservices, event streaming, containerisation, cloud-native patterns
  • Secure-system design expertise (Zero Trust, identity fabrics, cross-domain concepts)
  • Ability to move between strategic design and detailed technical validation
  • Experience working in mission-critical, regulated or Defence environments
  • Understanding of Defence/NATO standards (desirable)
  • Current and active SC clearance (mandatory)

If you're interested in learning more, please apply or reach out directly for a confidential conversation.

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