System Engineer

BAE Systems – Principal Systems Engineer (Architecture)

Location: Barrow-in-Furness or Filton

Contract: 12 months

Rate: £58 PAYE or £78.33 Umbrella

Please note that you will have to go through full SC Clearance.

This role focuses on systems architecture development within a highly complex and safety‑critical engineering programme.

Key responsibilities

• Developing and maintaining system architectures across large‑scale, integrated defence platforms
• Defining and decomposing system functions into coherent architectural models and design structures
• Ensuring alignment between system architecture, requirements, and downstream design implementation
• Supporting trade studies and design decisions to optimise system performance, safety, and capability
• Working closely with multidisciplinary engineering teams to ensure architectural consistency across subsystems
• Contributing to technical governance, design reviews, and assurance activities at system level
• Ensuring compliance with applicable standards and engineering best practice within a regulated environment

Ideal experience

• Strong systems architecture experience in complex engineering environments (defence, marine, aerospace, etc.)
• Familiarity with model‑based systems engineering approaches and architectural frameworks
• Ability to communicate complex technical structures clearly to both engineering and non-engineering stakeholders

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