Principal RF Engineer

Overview

In this Principal RF Engineer role you own the RF hardware development across a range of advanced communications products. You operate in a small, autonomous engineering team, guiding architecture, design, testing and production support across the full lifecycle. You will shape RF architectures and hands-on implementations, collaborating with electronics, DSP and mechanical engineers. This position offers meaningful ownership and impact in cutting-edge RF technology with a clear path from concept to production.

Pay / Benefits

• Salary from ~£75,000 depending on experience
• Company performance bonus
• Employee ownership related bonus scheme

Responsibilities

• Technical ownership of RF hardware development
• RF system architecture and circuit design
• Design and development of RF receivers, transmitters and power amplifiers
• PCB-level RF design, integration, debugging and optimisation
• Prototype development, testing and characterisation
• Supporting products through development, verification and production
• Collaboration with DSP, electronics and wider engineering teams
• Providing technical guidance and shaping future RF architectures

Key requirements

• Strong commercial experience in RF or microwave hardware design
• Extensive hands-on experience designing RF transmit and receive circuitry
• Experience with power amplifier design
• Good understanding of Software Defined Radio (SDR) architectures
• Experience with cellular technologies (2G/3G/4G/5G)
• Strong PCB-level RF design, test and debugging experience
• Broad knowledge of analogue and digital electronics
• Experience taking RF designs from concept to production
• Autonomous work style and ownership of complex RF designs
• Degree in Electronic Engineering, RF Engineering or related discipline, or equivalent industry experience
• Experience in RF systems operating into the low-GHz range (beneficial)
• Knowledge of DSP principles and embedded development (beneficial)

• Autonomy
• Collaborative mindset
• Strong problem-solving ability
• RF/hardware design
• Power amplifier design
• RF system architecture

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