CleanTech Talent
Radio Frequency Test Engineer
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RF Test Engineer
Bristol | Hybrid (3 days on site) | Permanent
£95,000 DOE | SC Clearance Eligibility Required
We're partnering with a fast-growing, Bristol-based engineering business working at the sharp end of defence, national security, and critical national infrastructure. They design sensing and communication systems built to perform in demanding, real-world conditions, and they're scaling their RF test and evaluation capability to match.
We're hiring an RF Test Engineer to help prove those systems out, from first hardware bring-up through to structured product validation.
The Role - RF Test Engineer
This is a hands-on lab role that sits between development and validation. You'll get real hardware in front of you, work out how it behaves, and build the test approaches that show whether it's meeting its performance requirements. Some of that is a quick measurement to answer a single question. Some of it is a full, repeatable test suite that has to stay reliable across product releases.
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A lot of the value is in the thinking before the testing: understanding what a system is trying to do, then working out the right way to prove it, often before requirements are fully locked down.
What You'll Be Doing
- Building test approaches to validate RF performance across sensitivity, dynamic range, noise figure, and bandwidth
- Running RF tests using spectrum analysers, VNAs, signal generators, and oscilloscopes
- Automating tests and equipment control, typically in Python, to keep results repeatable
- Supporting bring-up and early-stage testing of new RF platforms and feeding findings back to design
- Diagnosing performance issues across analogue, mixed-signal, and digital domains
- Working with QA and product teams to develop structured, repeatable test procedures
- Maintaining and improving lab setups and test infrastructure
- Producing clear test documentation
What We're Looking For
- Hands-on experience testing, validating, or characterising RF systems
- Practical use of RF lab equipment (spectrum analysers, VNAs, signal generators, oscilloscopes)
- Test automation and equipment control coding, typically in Python
- Solid grasp of RF performance metrics: noise figure, gain, dynamic range, sensitivity, bandwidth
- A methodical, investigative approach to debugging
- Comfort working across hardware, software, RF, and product disciplines
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Nice to Have
- SDR or SDR-based platform testing
- Lab automation via SCPI or instrument APIs
- Hardware-in-the-loop or automated regression setups
- Signal chain and cascade analysis
- Defence, aerospace, or secure comms background
The Practicalities
- Bristol HQ, hybrid, minimum 3 days on site
- Right to work in the UK, 5 years UK residency, and eligibility for SC clearance (existing clearance not required)
- Permanent, competitive salary dependent on experience
This role is being managed confidentially on behalf of our client. Full details shared at first conversation stage. Get in touch to find out more.
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