RF Engineer (Mid-Level) - Low-Power Radio & Mesh Networks
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Location: Stroud, Gloucestershire
Salary: Up to £55,000
Security: BPSS before start; eligibility for UK SC clearance required
KO2 is recruiting on behalf of a fast-growing engineering scale-up working on defence and space projects.
As a RF Engineer, you'll help design, test and improve the low-power radio links and mesh networks behind those systems. It's a hands-on role in a small, close team: bench work, field trials and customer demonstrations, with real users and real deadlines.
Key responsibilities
Design, develop and optimise low-power RF hardware and radio links for small, battery-powered sensor nodes
Develop and improve mesh networking, including routing, multi-hop performance, latency and resilience
Carry out link budget analysis and range planning, and help choose antennas, bands and radio modules
Support RF front-end and antenna design, PCB layout reviews, and matching and tuning on the bench
Test and characterise radio performance in the lab and field using spectrum analysers, VNAs and signal generators
Work with embedded, hardware and AI teams to balance range, data rate and power within tight size, weight and power limits
Support field trials and customer demonstrations, including deploying units and diagnosing link issues on site
Write clear test reports and technical documentation, and support EMC and regulatory compliance
Essential skills and experience
Degree in electronic engineering, physics or a related subject, or equivalent experience
Solid commercial experience in RF or wireless engineering at mid level
Strong understanding of low-power radio design and protocols such as BLE, IEEE 802.15.4, Thread, Zigbee, LoRa or proprietary sub-GHz systems
Practical mesh networking experience, including topology, routing and multi-hop behaviour
Confident with RF test equipment and bench debugging
Good knowledge of antenna fundamentals, impedance matching and link budgets
Ability to achieve SC clearance, if you already hold it even better. xgikmsk
Willing to travel occasionally for field trials and demonstrationsDesirable
Experience with low-power wireless SoCs
Embedded firmware in C or C++ for radio stacks
RF simulation and PCB design tools
Defence, security or space project experience
Designing for harsh or remote outdoor environmentsHow to apply
KO2 is managing this vacancy on behalf of our client. Apply with your CV today or contact Laurence Powell at KO2 for a confidential chat about the role
RF Engineer in Stroud employer: KO2 Embedded Recruitment Solutions
KO2 is an exceptional employer that fosters a dynamic and innovative work culture, perfect for those looking to make a significant impact in the power electronics sector. With a focus on employee growth and development, the company offers unique opportunities for leadership and collaboration in a fast-paced environment, all while providing the flexibility of hybrid working arrangements. Located in Norwich, employees benefit from a supportive team atmosphere that encourages creativity and practical problem-solving, making it an ideal place for professionals eager to advance their careers.
Contact Details:
KO2 Embedded Recruitment Solutions Recruitment Team
