Opportunities for permanent roles in a range of business sectors

Principal RF Engineer

Working in a small, focused team, the Principal RF Developer will have a proven wealth of experience with RF design and high-volume product development, working to create the specification, design and testing of TX subsystems

    Main duties will include:

    • Technical design and specification of discrete linear RF PA solutions in the 100MHz range
      > High efficiency compact handheld battery RF PAs ≤5W
      > Rugged Mobile RF PAs 10-25W
    • Technical requirements analysis
    • Complete TX chain specification, design and implementation
    • Integration of PA and TX into radio solution (software, mechanical, power supply)
    • PA ruggedness design
    • Component specification and sourcing
    • Block, subsystem and product integration testing
    • Resolution of design and integration issues
    • Type approval support
    • Support design, testing and troubleshooting in other areas of the product as appropriate
    • Technical support to end customers and subcontract manufactures
    • Progress reporting



    • Minimum 10 years RF design experience
    • High volume product development
    • PA development for mobile and/or fixed site communications



    • Discrete linear PA design
    • Transmitter chain design
    • RF design
    • Analogue design
    • Handset design
    • Printed coupler design
    • RF simulation tools (e.g. Genesys, ADS, Microwave Office)
    • Portable product design
    • RF simulation tools (e.g. Microwave Office, ADS) for linear and non-linear simulation


    • TETRA
    • 3G/4G design
    • GPS/WiFi/Bluetooth design
    • VCO/synth design
    • Receiver design
    • Cartesian loop transmitter design
    • Transmitter linearisation techniques e.g. pre-distortion (analogue/digital)
    • ADS simulation
    • CST Microwave Studio
    • Antenna design
    • Design for ESD protection
    • Design for EMC
    • Power supply design (analogue and SMPS)
    • Transmit converter specification (SNR, rates)
    • FIR filter design
    • MATLAB/Simulink



    • Communicates effectively with others across multiple disciplines
    • Works well in a small focused team, sometimes against tight deadlines
    • Conscientious, reliable and enthusiastic worker who takes pride in their work
    • Self-driven and motivated with ability to use own initiative and take a technical lead
    • Ability to work to a high level of quality with good attention to detail