Senior Rf Filter Design Engineer

Filtronic; Ledston; On-site; GBP 70,000 - 95,000; Full time

Job summary

Filtronic plc is seeking a leader in microwave filter engineering to drive end-to-end filter design from concept through validation and release. You will coordinate across RF/ microwave teams, perform design reviews and generate compliant documentation for production.

The role requires hands-on tuning with VNAs, tolerance and yield analysis, and strong interaction with customers and internal stakeholders to meet project goals.

Qualifications

• Degree (or equivalent) in RF/Microwave Engineering.
• Experience with RF/ Microwave filter design.
• Proficient with RF design tools: Microwave Office, CST Studio, Spark3D.
• Experience with tolerance/yield analysis and power handling.
• Hands-on tuning of RF/microwave filters using VNAs.
• Strong ability to interface with internal and external customers.

Responsibilities

• Lead full design of RF/microwave filters from concept to release.
• Collaborate across multidisciplinary teams on projects.
• Prepare design logs, data packs and peer reviews for release.
• Produce test specs, reports and reliability evaluations.
• Maintain design compliance matrices with evidence of compliance.

Skills

RF/Microwave design

VNA tuning & testing

Customer interfacing

Education

Degree in RF/Microwave Engineering

Tools

Microwave Office

CST Studio

Spark3D

Job description

Please note: All candidates must be able to meet the requirements of the UK Security Clearance vetting process. Filtronic is a leading designer and manufacturer of high-performance radio frequency (RF), microwave, and millimetre-wave (mmWave) subsystems, specialising in mission‑critical communication networks. Since 1977, we have built a strong reputation as trusted partners to global technology leaders across the telecommunications infrastructure, aerospace and defence, space, and critical communications sectors. Our legacy of innovation and engineering excellence has positioned us at the forefront of advanced connectivity solutions worldwide, and we continue to grow as we deliver cutting‑edge technology for some of the most exciting programmes in the industry.

The purpose of this role is to deliver comprehensive and strategic microwave filter engineering leadership throughout the entirety of RF and Microwave Filter projects, ensuring excellence from initial concept through to final execution. This role encompasses oversight and guidance in all phases of project development, facilitating seamless collaboration across multidisciplinary teams to achieve optimal results.

Summary of Responsibilities

• Take full responsibility for all aspects of filter and sub‑system design, including simulation, prototyping and validation.
• Contribute to Research and Development into next generation filter solutions.
• Support Sales functions during the quotation phases including technical correspondence with customers.
• Compile and verify design documentation, such as design logbooks, data packs, peer reviews in preparation for design release and production.
• Deliver fully verified and documented designs in line with project‑defined technical, schedule and cost constraints.
• Prepare and review tollgate documentation in accordance with Filtronic ‘New Product Introduction’ (NPI) procedures.
• Proactively participate in design reviews, and initiate design reviews to mitigate risk when appropriate.
• Conduct all aspects of design verification and validation including preparation of test specifications, test reports and reliability testing/evaluation.
• Maintain an up‑to‑date, comprehensive design compliance matrix, referencing robust evidence of compliance data for assigned designs.
• Solve problems and diagnose faults in manufactured products during product introduction – including defining and training‑out diagnostic procedures.

Requirements

• Relevant Degree (or equivalent) preferably in RF/Microwave Engineering.
• Proficiency in using RF design tools such as Microwave Office, and CST Studio and Spark3D.
• Significant experience of RF and Microwave Filter design including tolerance/yield analysis, power handling / temperature drift assessment, MTBF calculations and DFM.
• Demonstrable hands‑on experience of tuning RF and microwave filters using VNA’s, power handling and temperature tests.
• Must be a highly motivated individual able to interface effectively with internal and external customers

Benefits

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.

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.