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Principal RF Engineer

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Job Title: Principal RF Engineer
Our client is a specialist RF and microwave engineering business developing high-performance technology for telecoms, defence, space and advanced communications markets. Their work spans complex RF/mmWave hardware, from niche specialist programmes through to higher-volume product platforms, with design, test and manufacturing kept closely connected in-house.
They are looking for a Principal RF Engineer to take a leading technical role across the full product lifecycle, from early concept and architecture through to design, verification and production release. This is a hands-on senior engineering role with real influence over RF design decisions, product performance and how designs are taken into manufacture.
As Principal RF Engineer, You Will Be Involved In
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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
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Graduate Consultant — 2026 Scheme
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- Leading the design of RF/mmWave circuits, modules and subsystems
- Taking technical ownership of specification, simulation, realisation and verification
- Carrying out system line-up analysis, tolerance/yield analysis and design-for-manufacture work
- Supporting component, IC and MMIC selection
- Working closely with mechanical, electronics, PCB layout, manufacturing and test teams
- Leading design reviews, identifying technical risks and driving solutions
- Supporting product introduction, fault-finding and production readiness
- Providing technical guidance to other engineers
Our client is looking for a Principal RF Engineer with strong RF/microwave design experience and a practical understanding of taking high-performance RF products into production. Experience with tools such as Microwave Office, ADS, CST or EMPro would be valuable, alongside exposure to amplifiers, filters, transceivers, RF modules or wider RF subsystem design.


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This is a strong opportunity for someone who wants senior technical ownership without being removed from the engineering. You’ll be working on real RF/mmWave hardware, close to manufacturing and test, in an environment where your design decisions directly shape the final product.
Benefits
- Competitive salary
- Hybrid working
- 25 days’ annual leave plus UK bank holidays
- The option to purchase up to 5 additional holiday days
- Matched pension contributions up to 8%
- Learning and development support
- Paid volunteer time
- Employee assistance support
- Enhanced parental leave
For more information, please reach out to Zac Taylor at IC Resources.
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