RF Engineer

RF Engineer – Mission Critical Communications About the Opportunity Our client is a global leader in the design, development, and supply of mission-critical communications solutions used by emergency services, public safety organisations, and industrial customers worldwide. Operating at the forefront of next-generation communications technology, they design and develop advanced radio products and associated accessories, supporting the industry’s transition from traditional narrowband communications technologies to LTE and broadband-based services. With all product development undertaken in Cambridge and manufacturing operations based in Europe, this is an exciting opportunity to join a growing engineering team developing complex handheld and vehicle-mounted communication devices used in some of the world's most demanding environments. The Role We are seeking an experienced RF Engineer to play a key role in the development, validation, and support of innovative wireless communication products. This is a hands-on product development role where you will contribute throughout the product lifecycle, from component selection and circuit design through to validation, troubleshooting, and product release. You will work closely with multidisciplinary engineering teams covering RF, digital hardware, software, audio, mechanical design, and user interface development to deliver high-performance communication solutions. Key Responsibilities Evaluate and select RF components and technologies Support RF circuit design down to discrete component level Integrate RF designs with Digital, Audio, and HMI/MMI subsystems Perform RF simulation and modelling activities Define validation strategies, test procedures, and technical documentation Execute design verification and validation activities Investigate product issues and perform root cause analysis Implement design updates and corrective actions Create and review schematics Support and supervise PCB layout activities Collaborate with cross-functional engineering teams throughout development and production Support product maintenance and continuous improvement activitiesThis role may involve occasional international travel. Required Qualifications Bachelor's or Master's degree in: Electronic Engineering Telecommunications Engineering RF Engineering A related technical disciplineExperience & Technical Skills Essential Strong understanding of RF systems, radio architectures, and wireless communication technologies Proven hands-on RF product development experience Strong analytical and problem-solving skills Ability to troubleshoot and resolve complex technical issues Experience developing and integrating radio products operating up to 6 GHz Excellent communication and stakeholder management skills Demonstrated ability to deliver high-quality engineering work against project deadlinesCore RF Expertise Candidates should have design and product validation experience in at least two of the following areas: RF transmitter and receiver architectures RF receiver design RF transmitter design RF power amplifiers Frequency generation and VCO design RF matching networks EMC / EMI mitigation and complianceRF Design, Test & Development Tools Experience with the following is highly desirable: Component evaluation and selection RF simulation and modelling tools such as: Keysight ADS CST Studio Suite Similar RF design environments RF laboratory equipment including: Spectrum analysers Vector Network Analysers (VNA) Signal generators Power meters Oscilloscopes Validation testing within: Anechoic chambers EMC chambers RF screening roomsWireless Technology Experience Hands-on experience in one or more of the following technologies: PMR / Critical Communications TETRA PMR Land Mobile Radio (LMR) Operating frequencies between 100 MHz and 900 MHzCellular Communications LTE / 4G 5G NR Sub-6 GHz radio technologiesLegacy Cellular GSM 800 GSM 900 GSM 1800Collaboration & Delivery You will be: A strong communicator who can work effectively across multidisciplinary engineering teams Comfortable balancing multiple technical activities simultaneously Self-motivated and proactive in driving technical solutions Detail-oriented with a practical engineering mindset Experienced working with PCBs, including: Component-level debugging Rework Circuit modifications Laboratory-based investigationDesirable Experience Experience in any of the following areas would be advantageous: GNSS (1.0 GHz - 1.6 GHz) GPS/Galileo receiver integration Wi-Fi (2.4 GHz, 5 GHz and 6 GHz) NFC technologies Discrete RF circuit design MIMO antenna systems 5G radio validation and compliance testing Multi-radio platforms incorporating cellular, Wi-Fi, Bluetooth, GNSS and NFC technologiesWhat We're Looking For The successful candidate will combine strong RF engineering expertise with practical product development experience. You'll be comfortable moving between design, validation, troubleshooting, and collaboration activities, helping deliver robust communications products used in safety-critical environments across the globe. This is an excellent opportunity to join a highly technical engineering team developing next-generation mission-critical communication solutions and advanced wireless products