Senior RF Design Engineer
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Wappenham, Northamptonshire | Hybrid Working (3 days onsite, 2 WFH) | Competitive Salary + Benefits
About My Client
My client is a globally recognized UK defense technology leader with 45+ years of innovation in advanced communications systems, long-range data links, and mission-critical RF solutions. Their systems support military and security operations in over 100 countries worldwide.
They're expanding their engineering team to develop next-generation products for defense, aerospace, and battlespace communications markets.
The Opportunity
An exciting opportunity for a Senior RF Design Engineer to join a small, dynamic team designing world-class RF systems. You'll own full-lifecycle RF circuit designfrom architecture and simulation through PCB development, testing, and production support.
This is hands-on, technical RF engineering on cutting-edge defense technologies in a fast-paced but rewarding environment.
Key Responsibilities
RF Circuit Design:
Design high-power wideband RF amplifiers (up to 200W) using GaN/LDMOS technology
Develop RF filters, LNAs, upconverters, downconverters, and RF frontends
Transmitter/receiver circuit design and antenna development
RF system architecture and electromagnetic simulation
PCB schematic capture, layout, and component creation using Altium Designer
Technical Leadership:
Lead and contribute to design reviews (PDR, IDR, CDR)
Verify designs against specifications
Troubleshoot hardware/system issues across the business
Mentor junior engineers assigned to your projects
Collaborate with multidisciplinary engineering teams
Manage external design partners when required
Support manufacturing and production as needed
Essential Requirements
Must Have (5+ years minimum):
ProvenRF circuit designexperience (not just layout or systems-level work)
High-power RF amplifier design usingGaN, LDMOS, or similar technologies
RF filter designfrom concept to implementation
Transmitter/receiver circuit designexperience
LNA, upconverter, downconverterdesign expertise
Proficiency withPCB design software(Altium preferred)
Experience withRF simulation tools(AWR Microwave Office, Ansys HFSS, or similar)
Strong analog and digital electronics knowledge
Hands-on experience with RF test equipment (VNAs, spectrum analyzers, oscilloscopes)
British Citizenor ability to obtainSC security clearance
Degree in Engineering or equivalent work experience
TPBN1_UKTJ