Principal Systems Architect

As Principal Systems Architect, you will shape the architecture for next‑generation Weapon Handling and Launch Systems on the SSN AUKUS programme. You will lead MBSE-driven architecture development, set technical strategy, and drive risk reduction while mentoring the next generation of systems engineers. The role sits at the intersection of engineering, modelling, and stakeholder collaboration to deliver mission-critical defence capability. Your work supports national security in a high‑stakes, innovation‑driven environment. This is a chance to influence complex systems at scale within a respected UK defence contractor.

• generous holiday allowance
• matched contribution pension scheme
• digital GP and health checks
• employee share scheme
• discounts and shopping portal
• professional fees coverage

• Define architecture deliverables and work packages across engineering lifecycle phases and reviews
• Develop architecture in response to evolving programme needs
• Maintain the Architecture Management Plan
• Lead modelling best practice with MagicGrid framework within the programme
• Maintain and configure Cameo as the architecture tool for the programme
• Develop architecture SQEP and ensure configuration management of outputs
• Lead architecture team to collaboratively design system architecture with stakeholders
• Enable requirements and integration activities including system and subsystem requirements, test and integration, and V&V

• MBSE experience in the workplace with strong stakeholder management and communication skills
• System Engineering background with exposure to defence acquisition or similar industries
• Experience leading teams and developing members at various career stages
• Engineering degree or equivalent work experience
• Ability to attain/hold Security Clearance (BPSS/SC)

• stakeholder management
• communication
• leadership
• MBSE
• MagicGrid framework
• Cameo