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# Principal Systems Engineer

- **Company:** Electus Recruitment Solutions
- **Location:** Hertfordshire, UK
- **Experience:** Expert
- **Salary:** £65,000.0 - £80,000.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Micro Electro-Mechanical Systems (MEMS), Software Engineering, Software Requirements Analysis, Systems Architecture, Systems Integration
- **Published:** September 27, 2026
- **Apply:** https://www.careerjet.co.uk/job/gba0fef6a5f3deaf00fe2586a847b0fab8/eaa

## About the Role

* Defence and weapon Systems
 * Precision mechanical design
 * electro-mechanical systems
 * electro-optics or precision sensing
 * inertial sensing, navigation or PNT
 * MEMS-based instrumentation

 * robotics, autonomous systems or aerospace platforms
 * other advanced engineering sectors involving complex physical integration

Candidates should have experience in:

 * Precision mechanical design and inertial sensing
 * Owning system requirements and architecture
 * Managing multi-disciplinary engineering challenges
 * Technically directing subcontractors or development partners
 * Integration, verification and qualification (including environmental/EMC standards)
 * Working across mechanical, electronic and software interfaces
 * Making senior engineering decisions with limited supervision

## Description

This is a senior technical authority position with genuine ownership of a complete product development programme. The successful candidate will report directly to the Managing Director and will establish proportionate systems engineering practices within the business.
The role focuses on complex physical systems: precision mechanical integration, inertial sensing, electronics, and multi-disciplinary system behaviour. Software development is carried out by specialist partners and by engineering teams elsewhere in the group., * System architecture ownership - define and manage system requirements and the overall technical architecture.

 * Design Authority leadership - act as the programme's senior technical decision-maker.
 * Technical integration - lead decisions across sensing, orientation, electronics and precision mechanical interfaces.
 * Repeatability challenge
 * Partner management - direct specialist UK development partners.
 * Group engineering interface - manage the technical relationship with engineering teams in the wider group.
 * System Integration & qualification
 * User engagement - work directly with customer technical teams and end-users.
 * Process development - establish systems engineering processes and build a small supporting capability over time.

Candidate Profile
We welcome applications from:

 * Established Principal Systems Engineers, or
 * Exceptional Senior/Lead Systems Engineers ready for their first principal-level technical authority role.


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