Principal Test Development Engineer – Edinburgh - Permanent - Full Time - Hybrid Due to the nature of the projects, applicants must be UK nationals and eligible for UK security clearance We’re recruiting for a Principal Test Development Engineer to join a world-class design and manufacturing team working on cutting-edge electronic products across defence, medical, industrial, and communications sectors This is a senior-level opportunity offering clear progression into technical leadership and people management, with the scope to help shape future test strategy and mentor junior engineers Key responsibilities of the Principal Test Development Engineer in Edinburgh In this role, you’ll take a leading part in the design, development, and validation of advanced automated test systems, supporting the full product lifecycle from concept through to production. You’ll work closely with design, manufacturing, and quality teams to ensure that every product meets the highest standards of reliability and performance • Lead the design, development, and verification of robust automated test systems using tools such as LabVIEW, TestStand, and PXI • Define test strategies and architectures for complex electronic assemblies and subsystems • Drive continuous improvement and process optimisation using Lean Sigma and structured design methodologies • Collaborate across multi-disciplinary engineering...