Principal Systems Engineer

Principal Systems Engineer – Maidenhead

Powering Decision. Protecting the Future.

Join the Cyber Team and help shape the next generation of defence and secure communication technologies. The team delivers advanced cryptographic and key-management solutions that protect critical information at tactical and strategic levels.

The Role

We're looking for a Principal Systems Engineer to lead Systems Engineering activities across complex defence projects. You'll own SE work packages, assure ISO 15288 processes, guide multi-discipline teams, and drive the development of high-quality system architectures and artefacts.

What You'll Do

• Lead and represent Systems Engineering across major projects.
• Develop SE artefacts and ensure compliance with standards.
• Provide technical direction across system, hardware, firmware & software teams.
• Lead internal and customer design reviews.
• Support bids, proposals, estimates, and supplier management.
• Mentor engineers and help grow systems capability across the business.

What You Bring

• Degree in Engineering/Maths/Physics or equivalent experience.
• Strong experience with full SE lifecycle, V-model, and ISO/IEEE/IEC standards.
• Skilled in requirements, system design, and technical documentation.
• Proficient with DOORS, UML, SysML, Enterprise Architect.
• Background in hardware, software or firmware (embedded preferred).
• Team leadership or line management experience.

Desirable: INCOSE ASEP/CSEP, SME experience, familiarity with NCSC security processes.

Requirements

• Current SC clearance or Eligible
• UK travel and clean driving licence.

Join us and help shape the future of secure defence systems. Apply today.