{"id":4773,"date":"2026-11-06T13:45:27","date_gmt":"2026-11-06T13:45:27","guid":{"rendered":"https:\/\/theemcnews.co.uk\/?post_type=job_listing&p=4773"},"modified":"2026-11-06T13:45:28","modified_gmt":"2026-11-06T13:45:28","slug":"principal-rf-engineer-25","status":"publish","type":"job_listing","link":"https:\/\/theemcnews.co.uk\/index.php\/job\/principal-rf-engineer-25\/","title":{"rendered":"Principal RF Engineer"},"content":{"rendered":"
\n

PRINCIPAL RF ENGINEER<\/b><\/p>\n

FROM \u00a370,000 PER ANNUM<\/b><\/p>\n

DEPENDING ON SKILLS AND EXPERIENCE<\/b><\/p>\n

ROSS ON WYE<\/b><\/p>\n

PERMANENT<\/b><\/p>\n

About us<\/b><\/p>\n

Kirintec specialise in the design and production of innovative technology solutions for CEMA (Cyber and Electromagnetic Activities), Counter-IED and Counter-UAS. We engineer and deliver battle proven capabilities across the world.<\/p>\n

Kirintec is owned by BAE Systems, who provides some of the world\u2019s most advanced, technology-led defence, aerospace and security solutions and employs a skilled workforce of more than 93,000 people in around 40 countries.<\/p>\n

About the role<\/b><\/p>\n

We are looking for a Principal RF Engineer to lead the design, development and delivery of advanced RF and microwave subsystems used in our products. You will design broadband RF circuits operating from low MHz frequencies to beyond 10 GHz, with particular expertise in wideband power amplifiers, frequency conversion and complete RF subsystem design.<\/p>\n

This is a hands-on role. You will lead RF hardware design from concept through to production, including the supporting analogue, digital and power electronics required for RF functionality, together with laboratory evaluation and transfer to manufacture.<\/p>\n

Duties will include;<\/p>\n

\u00b7 Designing broadband RF power amplifiers, low-noise amplifiers, filters, couplers, splitters and associated RF subsystems.<\/p>\n

\u00b7 Designing frequency conversion architectures including up-converters, down-converters, image rejection techniques and local oscillator distribution.<\/p>\n

\u00b7 Designing RF front-end architectures to meet challenging gain, linearity, noise figure and dynamic range requirements.<\/p>\n

\u00b7 Performing RF circuit simulation, optimisation and tolerance analysis using industry-standard RF design tools.<\/p>\n

\u00b7 Undertaking PCB layout to ensure optimum RF performance, signal integrity and manufacturability.<\/p>\n

\u00b7 Designing supporting analogue and digital electronics including power supplies, bias networks, monitoring\/protection circuitry and embedded microcontroller-based control.<\/p>\n

\u00b7 Developing RF test methodologies and performing laboratory characterisation using VNA, spectrum analyser, signal generator, power meter and oscilloscope.<\/p>\n

\u00b7 Leading design reviews, trade studies and technical risk assessments.<\/p>\n

\u00b7 Mentoring graduate and junior engineers and reviewing designs.<\/p>\n

\u00b7 Supporting transition of designs into manufacture.<\/p>\n

About you<\/b><\/p>\n

Essential:<\/p>\n

\u00b7 Degree in Electronic Engineering, RF Engineering, Physics or a related discipline.<\/p>\n

\u00b7 Significant experience in RF and microwave design within defence, aerospace or related industries.<\/p>\n

\u00b7 Proven experience designing broadband RF circuits from MHz frequencies to greater than 10 GHz.<\/p>\n

\u00b7 Experience designing broadband RF power amplifiers.<\/p>\n

\u00b7 Experience designing RF frequency conversion circuits including mixers, local oscillator distribution and IF stages.<\/p>\n

\u00b7 Strong understanding of RF matching networks, transmission line theory, S-parameters, stability analysis, gain\/linearity\/efficiency optimisation, and high-power RF design techniques.<\/p>\n

\u00b7 Experience designing supporting electronic circuitry including power supplies, bias networks, mixed-signal electronics and microcontroller-based control systems.<\/p>\n

\u00b7 Experience using RF simulation tools such as AWR Microwave Office.<\/p>\n

\u00b7 Experience of PCB design for high-frequency and mixed-signal circuits using tools such as Altium Designer.<\/p>\n

\u00b7 Strong practical laboratory measurement skills.<\/p>\n

\u00b7 Excellent technical report writing and documentation skills.<\/p>\n

Desirable:<\/p>\n

\u00b7 Experience designing electronic warfare, communications or radar systems.<\/p>\n

\u00b7 Experience with GaN power amplifier technologies.<\/p>\n

\u00b7 Experience in embedded software development using C or C++ for microcontroller-based systems.<\/p>\n

\u00b7 Experience developing engineering or laboratory automation software using Python.<\/p>\n

\u00b7 Experience writing automated test software for laboratory equipment using SCPI, VISA or similar instrument control interfaces.<\/p>\n

\u00b7 Knowledge of EMC and environmental qualification standards.<\/p>\n

\u00b7 Familiarity with military and defence standards.<\/p>\n

\u00b7 Experience supporting production and Design for Manufacture (DfM).<\/p>\n

What we Offer<\/b><\/p>\n

\u00b7 25 days annual leave entitlement, rising with length of service.<\/p>\n

\u00b7 Training and development opportunities.<\/p>\n

\u00b7 Flexible working opportunities.<\/p>\n

\u00b7 Medical Care Package upon successful completion of your probation period.<\/p>\n

\u00b7 Company events.<\/p>\n

\u00b7 Annual Bonus scheme and annual salary reviews.<\/p>\n

\u00b7 Casual dress.<\/p>\n

Closing Date: 15th November 2026. Interviews will take place w\/c 16th November 2026.<\/b><\/p>\n

We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.<\/b><\/p>\n

At Kirintec Ltd, we welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition that may affect your performance in certain recruitment processes, please speak to your recruiter about potential reasonable adjustments.<\/p>\n

Please be aware that many roles at Kirintec Ltd are subject to security and vetting restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have a minimum of 5-year continuous residency in the UK, to allow for meaningful security vetting checks.<\/p>\n

Pay: From \u00a370,000.00 per year<\/p>\n

Benefits:<\/p>\n