RF design, PCB layout, Altium, AWR Microwave, Aerospace, Radio Frequency, embedded systems, HFSSAn exciting opportunity for an experienced Senior RF Design Engineer to join a leading technology and engineering company specialising in advanced communication and defence systems. You will play a key role in designing and developing high-performance RF systems used across defence, aerospace, and critical infrastructure sectors. Key Responsibilities Design and develop RF systems, including transmitters, receivers, filters, and amplifiers. Work on schematic capture, PCB layout, and RF simulation Altium and similar tools. Support product testing, troubleshooting, and design verification. Collaborate with multi-disciplinary engineering teams throughout the product lifecycle. Mentor junior engineers and contribute to continuous process improvement. Key Skills Proven experience in RF design and development amplifiers, filters, or transceivers. Strong knowledge of RF simulation tools and PCB design software. Practical experience testing and troubleshooting prototypes. Degree in Electronics, Electrical Engineering, or equivalent. Eligible for UK Security Clearance British Citizenship required. Why Join Competitive salary and bonus structure. Hybrid working and career development opportunities. Work on cutting-edge technology that supports national security and innovation.