Our client, a leading organisation in the Defence & Security sector, is currently seeking a talented RF Design Engineer to join their Hampshire-based team and work on cutting-edge electronics that protect what matters most. Key Responsibilities Design and develop RF and analogue circuits and systems from concept to implementation. Conduct hands‑on testing, troubleshooting and performance optimisation. Participate in design reviews and provide expert technical input. Prepare high‑quality technical documentation and reports. Mentor junior engineers and provide guidance across projects. Collaborate with project teams and stakeholders to deliver solutions on time and to specification. Job Requirements Bachelor’s or Master’s degree in Electronics Engineering (or equivalent). Proven experience in RF design engineering and circuit layout tools (e.g., Microwave Office, Altium). Experience designing solutions for low SWaP‑C, harsh environments and high‑frequency applications (LF up to X Band). Familiarity with LNA, receiver design, high‑power amplifiers and radiation hazard analysis. Strong problem‑solving skills, technical leadership and excellent communication. Benefits Be part of a stimulating, collaborative and purpose‑driven team. Work on challenging projects with real impact on security and defence. Enjoy a competitive salary with flexible benefits covering health, wellbeing, savings and lifestyle. Thrive in a supportive, inclusive and innovative environment that values your ideas. Security Requirements Must be a British citizen with eligibility to achieve SC and DV clearance. Residency in the UK for at least 5 years (SC) and 10 years (DV). #J-18808-Ljbffr