Principal RF Engineer

Please note: All candidates must have existing right to work in the UK and not require visa sponsorship in the future. They must also be able to meet the requirements of the UK Security Clearance vetting process.

The Principal RF/mmWave Engineer will lead the design, development, and testing of advanced RF systems and submodules. In this role, you will act as a technical authority, driving high-performance RF solutions across a range of projects, from concept to production. You will collaborate with cross-functional teams to define architecture, troubleshoot complex issues, and ensure RF systems meet demanding performance, compliance, and reliability standards to ensure successful project execution.

The Principal RF Engineer is responsible for delivering robust RF designs, supporting technology development, maintaining high engineering standards, and contributing to the company’s product roadmap.

Role Responsibilities:

Technical

- Lead the design, simulation, and development of RF and mmWave circuits, components, subsystems and systems from DC to V-Band and beyond.
- Conduct RF system analysis, performance optimisation, and troubleshooting of complex designs.
- Conduct simulation and modelling of RF circuits using tools like ADS, CST, MWO or similar
- Carry out RF measurements, characterisation, and validation of prototypes and production hardware.
- Develop and maintain detailed technical documentation, including design reports, test plans, and results.
- Ensure designs meet required specifications, standards, and customer requirements.
- Contribute to technology and product roadmaps with innovative RF design solutions.
- Support RFQs, proposals, and customer engagements with technical input where required.

Project & Product Management

- Work with project managers and engineering leads to deliver designs on time, within budget, and to agreed quality standards.
- Support the transition of designs from concept through prototyping into volume manufacturing.
- Collaborate with process engineering and operations to ensure manufacturability and yield of RF products.
- Assist in risk identification and mitigation during the design and development process.

Collaboration & Communication

- Work closely with electronics, mechanical, software, and systems engineers to deliver integrated solutions.
- Provide technical expertise and support to internal and external stakeholders, including customers.
- Present technical work and project updates to peers, management, and customers as required.

Continuous Improvement & Innovation

- Stay up to date with RF/microwave industry trends, emerging technologies, and best practices.
- Contribute ideas for new architectures, design techniques, and process improvements.
- Support a culture of innovation, knowledge sharing, and continuous professional development.

Essential

- Degree (or equivalent) in Communications/Electronic Engineering, Physics, or a related discipline.
- Significant hands-on experience in RF and/or mmWave design, simulation, and test.
- Strong knowledge of RF CAD tools (e.g., ADS, AWR, CST, or similar).
- Proven track record in RF circuit and subsystem development (LNAs, PAs, filters, mixers, oscillators, etc.).
- Experience in RF measurement techniques and use of VNAs, spectrum/network analysers, and test automation.
- Strong problem-solving ability and analytical skills.
- Excellent communication and teamwork skills.

Desirable

- Experience in high-frequency design (Ku, Ka, Q, V and E-band).
- Familiarity with volume manufacturing processes and DFM/DFT.
- Experience working to quality standards and regulatory requirements.

We recognise the value of exceptional talent. That''s why this role is backed by an outstanding salary and benefits package, benchmarked close to the top of the sector.

Please call our Talent Partner, Bruce Mair on 07483 917543 if you would like to chat about this role, clarify the salary and benefits prior to investing your time applying, understand what skills and experience we would like to see, and what success looks like in this role.

Filtronic plc is an equal opportunities employer and is committed to building a diverse and inclusive workplace where everyone can thrive. We welcome applications from all qualified candidates regardless of age, gender, ethnicity, religion, sexual orientation, or disability status. If you require any adjustments or accommodations to support you during the interview process, please let us know and we will be happy to assist.

Please note: All candidates must have existing right to work in the UK and not require visa sponsorship in the future. They must also be able to meet the requirements of the UK Security Clearance vetting process.

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