Principal Radio Frequency Engineer

Location: Bristol (hybrid min. 3 days on-site) occasional customer-site travel

Clearance: Must be eligible for UK SC

Salary: up to £95,000

The company CleanTech Talent are partnered with one of the fastest-growing engineering businesses, building mission-critical systems with a production facility onsite in Bristol. This is a hands-on engineer's dream place to work. If you want your RF work to end up in the field rather than in a report, this is that role.

This is a rare chance to get in early and build something: you'll help shape and lead the RF PCB design and layout function as it grows, with genuine ownership and technical influence rather than a seat in a large, established team.

This is a highly senior individual-contributor role with real technical leadership. You'll lead RF hardware development on projects — from RF system design and schematic capture through to RF PCB layout — working alongside the RF lead across separate initiatives and helping shape engineering process as the team scales.

Responsibilities:

• Lead RF hardware development on projects: RF system design and schematic capture through to RF PCB layout.
• Integrate packaged / surface-mount RF components onto multi-layer boards.
• Make circuit-design and PCB-layout decisions driven by the implications of frequency, across RF systems typically spanning ~30 MHz to 6 GHz.
• Own RF PCB design and layout.
• Contribute to SDR-based product development, including the client's in-house SDR.
• Provide technical leadership on hardware projects and help shape processes and procedures as the team grows.
• Work across the design–test–iterate cycle, feeding real-world performance findings back into design.

Essential Attributes:

• Solid RF hardware engineering experience across schematic design and, ideally, RF PCB layout.
• A solid understanding of how frequency drives circuit-design and PCB-layout decisions.
• Experience integrating packaged / SMD RF components onto multi-layer boards.
• Solid RF fundamentals, valued above any specific tool - KiCad is the priority, Altium is transferable and welcome.
• Senior enough to add value fast with limited hand-holding.
• Technical leadership capability — leading hardware development and helping shape process as the function grows.
• A solid RF generalist background (defence, EW or comms domain experience is a nice-to-have, not a requirement).
• Excellent communication — able to clearly explain your technical thinking in live, whiteboard-based technical discussion.

Desirable attributes:

• Software-defined radio (SDR) experience.
• High-speed digital design alongside RF.
• Exposure to defence, electronic warfare or communications systems.
• Experience helping shape hardware processes in a fast-scaling engineering team.

What's on offer:

• A salary of up to £95,000, dependent on experience.
• A genuine leadership seat: shape and lead the RF PCB design and layout function as it grows.
• Technical lead role on upcoming product initiatives, with real ownership and influence.
• Hands-on RF and SDR product work, including an in-house-developed SDR.
• The energy of one of the region's fastest-growing engineering businesses.

Benefits:

• Private medical insurance
• 25 days annual leave + 8 bank holidays + Christmas closure (typically 3 days)
• Healthcare cashback scheme
• Income protection and life insurance
• Enhanced maternity and paternity leave
• 5% matched pension
• Electric car scheme
• Cycle-to-work scheme
• Financial wellbeing platform and private financial coach
• Training and development budgets
• Comprehensive tech package provided
• On-site gym plus monthly yoga sessions
• Daily lunches and snacks in the office
• Flexible working arrangements
• Quarterly Socials

Bristol-based. On-site presence ~3 days per week is important given the hands-on hardware and test work; some flexibility can be discussed for the right person. Relocation support may also be open for discussion.

Next steps: For a confidential, no-pressure conversation about the role and the business, contact Daniel Salway at CleanTech Talent or apply with your CV and we'll come back to you quickly. Please note: candidates must be eligible for UK SC clearance.