Test Engineer

Join to apply for the Test Engineer role at CRFS3 days ago Be among the first 25 applicantsJoin to apply for the Test Engineer role at CRFSGet AI-powered advice on this job and more exclusive features.CRFS is looking for a System Test Engineer to validate the real-world usability and robustness of our advanced RF spectrum monitoring systems. This role is not about writing unit tests or building test frameworks — it’s about thinking like a user, operating at the system level, and stress-testing complex hardware/software systems as they’ll be deployed in the field.If you’re from a support, lab technician, or field integration background and want to break into engineering — this could be your ideal next step.What You’ll DoPerform manual testing of CRFS systems, focusing on how they behave in the hands of real usersValidate GUI-based control applications and embedded firmware across multiple CRFS product variantsConduct regression testing during firmware/software updatesReproduce, triage, and document bugs using the issue tracking system, working closely with engineeringBuild and maintain test racks combining CRFS hardware and third-party RF test equipmentSupport the maintenance and development of the system test lab infrastructureEnsure system test activities align with the Quality Management System (QMS)Contribute to test plans, test campaign documentation, and internal test reportsWhat We’re Looking ForDegree-level qualification in a relevant technical subject OR equivalent hands-on experienceStrong attention to detail and a “break it to improve it” mindsetComfort using Linux-based systems and command-line toolsClear, structured communicator — both in writing (bugs, test plans) and verbally (explaining behaviour to engineers)A user-first perspective — you notice UX glitches, system inconsistencies, and edge cases others missInterest in cross-functional systems (hardware + firmware + software)A desire to learn and grow into deeper technical ownershipNice to HaveExperience in hardware or embedded systems testingBasic Python scripting for test automation or data parsingExperience using bug tracking and test management toolsExposure to RF, networking, or spectrum analysis tools (training provided)Not What We’re Looking ForPure SDETs or software automation specialists with no interest in physical system testingCandidates expecting to work only on isolated software componentsIndividuals who don’t enjoy digging into real devices, cabling things up, or testing hands-onWhy CRFS?Our systems help NATO and global defense teams detect rogue signals, counter drones, and secure the electromagnetic spectrumWe offer a hybrid-friendly, engineering-led culture that values quality over bureaucracyYou’ll join a small but deeply skilled team where ideas are heard and impact is immediateGreat role for someone wanting to step up from support into system engineeringSeniority levelSeniority levelEntry levelEmployment typeEmployment typeFull-timeJob functionJob functionEngineering and Information TechnologyIndustriesDefense and Space ManufacturingReferrals increase your chances of interviewing at CRFS by 2xSign in to set job alerts for “Test Engineer” roles.Cambridge, England, United Kingdom 2 weeks agoCambridge, England, United Kingdom 2 weeks agoCambridge, England, United Kingdom 2 weeks agoSoftware Engineers (all levels - Graduates to principal Engineer)Cambridge, England, United Kingdom 6 months agoCambridge, England, United Kingdom 1 week agoCambridge, England, United Kingdom 2 weeks agoCambridge, England, United Kingdom 2 days agoCambridge, England, United Kingdom 2 weeks agoCambridge, England, United Kingdom 1 day agoCambridge, England, United Kingdom 1 week agoCambridge, England, United Kingdom 2 days agoCambridge, England, United Kingdom 1 week agoCambridge, England, United Kingdom 1 month agoCambridge, England, United Kingdom 2 days agoCambridge, England, United Kingdom 3 days agoCambridge, England, United Kingdom 3 days agoCambridge, England, United Kingdom 3 weeks agoCambridge, England, United Kingdom 1 month agoCambridge, England, United Kingdom 2 weeks agoCambridge, England, United Kingdom 1 month agoCambridge, England, United Kingdom 10 hours agoCambridge, England, United Kingdom 1 month agoApplication Software Engineer Graduate to Lead ConsideredCambridge, England, United Kingdom 1 week agoCambridge, England, United Kingdom 2 months agoHuntingdon, England, United Kingdom 3 weeks agoCambridge, England, United Kingdom 1 month agoEntry Level Software Engineer - Voice and Music Team - University Graduate, 2025 StartCambridge, England, United Kingdom 3 days agoCambridge, England, United Kingdom 1 month agoCambridge, England, United Kingdom 1 month agoWe’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr