We’re on the look out to add a Senior RF Designer to our elite workforce

Are you on the lookout for an electrifying career in a dynamic, booming industry? Are you passionate about what you do and constantly on the lookout for the next big idea? Then we want you!

Aerospace and defence equipment wouldn’t be able to operate if it wasn’t for avionic manufacturers like Chelton. We pride ourselves on working with customers and being attuned to industry trends to expand the possibilities of aerospace and defence and give our customers a helping hand in achieving mission success. Working in challenging environments, producing failsafe technology with smart thinking – it’s just what we do. But we couldn’t do it without the Chelton A-team. That’s why we’re on the look out to add a Senior RF Designer to our elite workforce.

No two days are ever the same at Chelton, you’ll constantly be faced with new challenges to overcome. From the very beginning, you will be able to take full ownership and accountability to see products through to success. After all, where would we be if it wasn’t for the people behind the products?

If you’re looking to leave your mark on the world, why not choose the exhilarating world of aerospace and defence and better yet, join Chelton for your chance to innovate, create and excite.

This role will be based at our headquarters in Marlow, Buckinghamshire.

As a Senior RF Designer your skills and qualifications will ideally include:

  • Credentials to or have the ability to be cleared to UK SC level.
  • Bachelor Degree in Electrical & Electronics Engineering or suitable equivalent.
  • Proven track record of at least 5 years’ experience designing RF electronics up to 10GHz for the aerospace and defence sector.
  • RF system design – link, power budgets and cascade analysis.
  • Good knowledge of current RF technologies including – low noise receiver design, RF sampling ADCs and DACs, PLL/Synthesisers, digital attenuators, receiver protectors, power amplifier and lumped-element circuit design.
  • Ability to characterise, test and down-select RF components/circuits for performance and cost.
  • Proven hands-on RF design and simulation software experience (preferably ADS, Momentum or Microwave Office). CST simulation experience would be desirable but not essential.
  • Knowledge of RF Antenna Systems and awareness of Phase Array Antennas.
  • Sound knowledge of analogue circuit design including power supply design, amplifier gating circuits etc.
  • Experience in multi-page schematic capture and layout preferably using Altium.
  • Experience in developing mixed technology PCBs incorporating RF and digital aspects using multi-layer substrates.
  • Ability to write and deploy software to automate test equipment desirable but not essential.
  • Awareness of digital signal processing of RF and baseband signals.
  • Knowledge of GPS and its vulnerabilities would be advantageous but not essential.
  • Good knowledge of modern RF test equipment – VNA, RF Power Meter, RF Signal generator, RF Spectrum Analyser.
  • Experience of deriving and capturing system level requirements from high level customer requirements preferably using IBM DOORS NG.

As a Senior RF Designer your key responsibilities will include:

  • Design, develop, characterisation and test of RF circuits and sub-systems for new electronic equipment for the aerospace and defence market.
  • Use design expertise to create RF designs and solve complex engineering problems.
  • Carry out peer review of designs and technical proposals authored by other engineers from an RF point of view.
  • Comply with Chelton Safety Standards.
  • Maintain positive and constructive relationships with all internal and external stakeholders and customers.


In addition to a competitive salary, you will also join a flexible benefits scheme offering private medical insurance, life assurance, 8% matched pension and 25 days holiday per annum with the ability to buy and sell days. We are also happy to offer flexible working and a part-subsidised cafeteria.


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