Integration, Test & Proving Engineer

Company: Cirrus Selection

Location: Stevenage

Posted: April 17th, 2026

Integration, Test & Proving Engineer

Based in Stevenage

Salary up to £50,000, bonus, 14% pension, paid overtime, flexi leave

On-site 4–5 days a week

You know that moment when the kit finally behaves exactly as the design said it would?

That’s this job, except it’s on a frontline UK defence system.

You’ll be the engineer proving it works in practice, not just on paper. Designing trials, building setups, running tests in the lab, pulling the data apart, then explaining what it means clearly enough that the programme can certify, release, and move forward.

What you’ll be doing

What we’re looking for

Security Clearance

You’ll need British citizenship or be a Dual UK national with British citizenship.

If you’re done with theoretical engineering and want to be the person who proves it works, this is the one.

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