Senior RF Design Engineer - Defence Electronics (Hybrid UK)

Expleo; Queen's Island; On-site; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Collaborative working environment

ExpleoAcademy training opportunities

Competitive company benefits

Job summary

Expleo Defence is seeking an experienced RF Design Engineer to design and validate advanced RF/mixed-signal electronics for defence applications. You’ll take RF concepts from schematic design to PCB integration and lab verification, collaborating across RF, electronics, PCB layout, systems and firmware teams.

The role involves hands-on lab work and occasional travel to Belfast for integration activities, with flexibility to be UK mainland-based.

Qualifications

• Solid knowledge of RF principles including signal propagation, noise, dynamic range and filters.
• Ability to interpret RF test results and translate datasheets into practical designs.
• Experience debugging RF designs using laboratory measurements and test equipment.
• Familiarity with RF design standards and regulatory requirements.

Responsibilities

• Design and develop RF analogue and mixed-signal electronics for complex systems.
• Develop RF transceiver and front-end architectures using MMIC, SiP and SoC devices.
• Create RF schematics, component selections and circuit designs per system requirements.
• Design and implement RF impedance matching networks (L/C matching).
• Translate datasheets and app notes into robust designs for PCB implementations.
• Collaborate with PCB layout engineers to ensure signal integrity and manufacturability.
• Develop and execute RF verification and validation activities.
• Conduct hands-on laboratory testing with spectrum analysers, VNAs, signal generators and power meters.
• Analyse measured data to troubleshoot and improve RF designs.
• Investigate RF performance issues and debug across hardware, layout and interfaces.
• Produce clear documentation: schematics, design calculations, test plans and reports.

Skills

RF principles

Signal propagation

RF link budgets

Noise

Dynamic range

Gain and attenuation

Filtering

RF performance metrics

RF regulations

Interpret RF test results

RF components datasheets

Problem-solving & debugging

RF design standards

Tools

CST

Ansys HFSS

Job description

Expleo Defence is seeking an experienced RF Design Engineer to design and validate advanced RF/mixed-signal electronics for defence applications. You’ll take RF concepts from schematic design to PCB integration and lab verification, collaborating across RF, electronics, PCB layout, systems and firmware teams.

The role involves hands-on lab work and occasional travel to Belfast for integration activities, with flexibility to be UK mainland-based.