Principal Software Engineer

£57.72 p/h PAYE (£66.11p/h inc. holiday rate) OR £78.70 p/h UmbrellaWe seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance.

The OpportunityWe're looking for an experienced real-time embedded Ada engineer to work on mission-critical defensive systems within a highly technical electronic warfare environment. This is a hands-on role developing, integrating, and testing high-integrity software that directly supports operational capability.You'll be trusted with complex problems, work closely with systems, hardware, and firmware teams, and play a key role across the full software lifecycle.

What You'll DoDesign, develop, debug, and test real-time embedded software in AdaOwn complex work packages from requirements through integration and deliveryProduce high-integrity, mission-critical software to defined engineering and quality standardsWork collaboratively across disciplines while retaining autonomy and technical ownershipSupport current platforms and contribute to future capability development

What You BringExpert-level Ada (including OO design principles)Strong experience debugging embedded real-time systems using a COTS RTOSSolid understanding of UML and structured designDeep knowledge of Verification & Validation techniques and when to apply themExperience with requirements engineering, integration, and target testingComfortable working within a mature, governed development framework