Senior RF/mmWave Design Engineer

Senior RF/mmWave Design Engineer📍 County Durham (On-site)💰 Up to £80,000 + benefits🌍 Visa sponsorship available
A leading RF and microwave technology business is seeking a Senior RF/mmWave Design Engineer to join its growing engineering team in County Durham. This is a hands-on role working across the full product lifecycle, from concept through to production, supporting advanced telecommunications and defence applications.
The RoleYou’ll take ownership of RF/mmWave design activities, delivering high-performance circuits and systems while collaborating closely with multidisciplinary engineering teams.
Key Responsibilities

• Design and develop RF/mmWave circuits, modules, and systems
• Work across transmission lines, filters, couplers, and synthesiser/multiplier design
• Perform simulation and modelling using tools such as ADS, CST, EMPro, or Microwave Office
• Conduct system line-up, tolerance, and yield analysis
• Support PCB layout and electromechanical integration
• Lead verification, validation, and design documentation for production release
• Troubleshoot and support product introduction and manufacturing

What We’re Looking For

• Degree in RF, Microwave, or Communications Engineering (or similar)
• Strong experience in RF/microwave circuit and system design
• Proven use of industry-standard RF design tools (ADS, CST, EMPro, etc.)
• Experience with transceiver design and high-frequency PCB development
• A hands-on mindset with strong problem-solving capability

This is an excellent opportunity to join a well-established engineering business working on cutting-edge RF and mmWave technology, with clear progression and exposure to complex, real-world applications.