Principal RF Engineer HWIL / RF Test & Simulation Stevenage £65£75 per hour Long-term contract Were supporting a leading UK defence organisation looking to bring in a Principal RF Engineer to join their specialist Hardware-in-the-Loop (HWIL) team. This is a hands-on, lab-based role working with advanced RF systems, real-time simulation environments, and live hardware integration supporting some of the most complex missile test programmes in the UK. What youll be doing Design, develop and test RF systems within HWIL environments Integrate RF hardware into real-time simulation platforms Troubleshoot and resolve complex system/interface issues Carry out system-level performance analysis and optimisation Work closely with software, electronics and systems teams Support validation of missile system behaviour in controlled test environments What were looking for Essential: Strong background in RF design, development & test Experience working with RF test equipment (e.g. spectrum analyser...