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Senior / Principal Systems Engineer

Leonardo | Southampton, United Kingdom | Posted June 07, 2026

Position Overview

Job Description:

Are you an experienced Systems Engineer or Scientist who loves contributing to the UKs Defence Industry and making impactful change? We are recruiting for Senior and Principal Systems Engineers in our growing Detectors Area of Business in Southampton, who can apply their expertise to deliver cutting-edge Electro-Optics/InfraRed (EO/IR) capabilities across a diverse range of projects.

Your Impact

Our Systems Engineers span across a range of activities that help pull together all the necessary engineering and technology strands into a high-performance system. As a Systems Engineer, you will bridge the gap between the theoretically possible and the practically implementable.

What we build is exciting, interesting, challenging and complex. A diverse product portfolio of EO/IR technologies, with each programme at a different stage in its development lifecycle.

Typical work you might be involved in:

  • Applied research: Ear...
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