SYSTEM TEST ENGINEER U We build world-leading RF spectrum monitoring and geolocation systems used by defence, intelligence, and security organisations worldwide. We’re looking for a System Test Engineer to validate the real-world usability, performance, and robustness of these systems — ensuring that what works in the lab also works in the field. This isn’t a software QA role. It’s about thinking like a user, operating at the system level, and stress-testing complex hardware-software-firmware combinations as they’ll be deployed by real operators. If you’ve worked in technical support, lab environments, or field integration, and you’re ready to step into an engineering role — this could be your perfect next move. What you’ll be doing Test CRFS systems end-to-end, focusing on how they perform in real-world use. Validate GUI-based control applications and embedded firmware across multiple product variants. Conduct regression testing during firmware and software releases. Reproduce, triage, and document issues in the bug tracking system, collaborating closely with engineers to drive fixes. Build and maintain test racks integrating CRFS hardware with third-party RF test equipment. Support the upkeep and evolution of the System Test Lab and its infrastructure. Ensure all testing aligns with CRFS’s Quality Management System (QMS) standards. Contribute to test plans, cam...