Our client is seeking a Principal RF Engineer to join their engineering team in County Durham, UK. The role involves working on cutting‑edge RF and millimetre‑wave products, from initial concept through to full production, within a state‑of‑the‑art facility.

Major Responsibilities

• Lead the design and development of RF/mmWave circuits, subsystems, and systems
• Take ownership of RF specifications, simulation, realization, and validation
• Provide technical leadership and mentoring to engineering teams
• Conduct system line‑up and tolerance analysis, ensuring design for manufacture
• Support component and MMIC selection, liaising with suppliers where required
• Collaborate closely with mechanical, electronics, PCB, manufacturing, and test teams
• Produce and review technical documentation, including design records and release data
• Lead design reviews, identifying and mitigating technical risks
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