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The List - Website Functional Update – May 2026
The List relaunches as a faster, smarter, career hub, integrating jobs, CV Drop, the Covenant Compendium and finally Corporate Membership. All to support you, employers and the Armed Forces community in a shifting and challenging employment market.
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Principal Software Engineer C++ / Unreal / Defence
Job Summary
Advertiser
Salary / Rate
Posted
Talent Locker
£85,000
27th May 2026
Location
Start Date
South East
Type
Job Sector
permanent
Defence
Principal Software Engineer Portsmouth | Hybrid, 3 days onsite £75,000-£85,000 plus bonus and benefits Want to work on groundbreaking projects within the defence industry? Are you a hands-on technical leader with strong C++ and Unreal Engine expertise and want to work at the forefront of complex, performance-critical software delivery within defence? The role combines advanced engineering with genuine technical authority, shaping how simulation-driven and autonomy-focused systems are designed, built and evolved. The position sits within a fast-growing software and data science consultancy delivering end-to-end solutions in the defence industry. You will work closely with subject matter experts and senior stakeholders on high-impact programmes spanning modelling and simulation, autonomy, geospatial systems, synthetic environments and digital twins. This is a true principal-level role. You will remain deeply technical while setting direction, leading teams and acting as the technical…
