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Filtronic

Principal RF Engineer

Filtronic

Principal RF Engineer leading the design and development of RF/mmW elements for telecommunications and defence products. Technical leadership and collaboration across engineering teams in a hybrid work environment.

Posted 5/11/2026full-timeSedgefield • 🇬🇧 United KingdomLeadWebsite

About the role

Key responsibilities & impact
  • Responsible for leading the design of RF/mmW elements and systems, ensuring that electrical performance, quality, cost and manufacturability requirements are met.
  • Provide technical leadership across design activities, support project delivery and help develop best practice within the engineering team.
  • Lead the design and development of RF/mmW sub-circuits, sub-modules and systems within telecommunications and defence products.
  • Take technical responsibility for RF/mmW specification, design, simulation, realisation and verification.
  • Provide technical guidance and support to other engineers within the team.
  • Carry out system line-up analysis, tolerance analysis and design for manufacture.
  • Support the selection of components, ICs and MMICs, including liaison with suppliers where required.
  • Work closely with mechanical, electronics, PCB layout, manufacturing and test teams to deliver robust product designs.
  • Prepare and review design documentation, including design logbooks, data packs, peer reviews and design release information.
  • Lead and participate in design reviews, identifying and managing technical risks.
  • Support design verification and validation, including test specifications, test reports and reliability testing.
  • Support problem solving and fault diagnosis during product introduction and production.
  • Ensure designs are delivered in line with project technical, schedule and cost requirements.

Requirements

What you’ll need
  • Relevant Degree or equivalent, preferably in RF, Microwave, Electronics or Communications Engineering.
  • Significant experience in RF/mmW circuit or system design.
  • Experience using RF design tools such as Microwave Office, CST, EMPro or ADS.
  • Strong understanding of microwave circuit design, system line-up analysis, tolerance/yield analysis and design for manufacture.
  • Experience of transceiver, amplifier, filter, module or subsystem design would be beneficial.
  • Ability to lead technical activities and support the development of other engineers.
  • Strong problem-solving skills and a practical approach to engineering delivery.
  • Good communication skills and the ability to work effectively across engineering, manufacturing and project teams.

Benefits

Comp & perks
  • We recognise the value of exceptional talent. That's why this role is backed by an excellent salary and benefits package.
  • Equal opportunities employer
  • Diverse and inclusive workplace

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Hard Skills & Tools
RF designmmW designcircuit designsystem designmicrowave circuit designsystem line-up analysistolerance analysisdesign for manufacturetransceiver designamplifier design
Soft Skills
technical leadershipproblem-solvingcommunicationteam collaborationproject management
Certifications
Relevant Degree in RF EngineeringRelevant Degree in Microwave EngineeringRelevant Degree in Electronics EngineeringRelevant Degree in Communications Engineering