Enterprise Architect - SC Cleared | High-Impact National Infrastructure Projects

We're looking for an experienced Enterprise Architect for our client to play a pivotal role in shaping and delivering mission-critical systems across sectors such as defence, central government, energy, and transport.

This is a unique opportunity to work at the forefront of national infrastructure, ensuring systems are secure, resilient, and fully interoperable in high-stakes environments.

The Role

As a key technical authority, you'll take ownership of the end-to-end architecture life cycle - translating complex stakeholder requirements into high-integrity technical solutions.

You'll be working on large-scale, safety-critical programmes, influencing architecture across systems of systems environments.

What You'll Be Doing

• Deriving detailed use cases from complex mission and stakeholder requirements

• Developing logical and physical data models (UML/SysML)

• Producing and managing Interface Control Documents (ICDs)

• Creating Software Requirements Specifications (SRS) and technical design artefacts

• Embedding cyber resilience and security-by-design principles

• Collaborating across multi-disciplinary teams (Cyber, Software, Engineering)

What We're Looking For

• Strong experience as an Enterprise Architect/Systems Architect

• Expertise in MBSE tools (Cameo, IBM Rhapsody)

• Experience working within complex, regulated environments

• Understanding of frameworks such as ISO 15288, NIS Regulations, Gov Tech Codes of Practice

• Proven ability to lead across cross-functional technical teams

Clearance

• Active SC clearance

Desirable

• INCOSE (ASEP/CSEP/ESEP)

• Chartered Engineer (CEng) or working towards

Why Apply?

• Work on nationally significant, high-impact programmes

• Be at the centre of cutting-edge systems architecture

• Collaborate with leading experts across defence & critical infrastructure

• Opportunity to shape secure, future-proof systems at scale

If you're an experienced Enterprise Architect looking for your next challenge, apply now or get in touch for a confidential discussion.