Senior Radio Frequency Engineer H/F

📜 Context As part of the development of next-generation satellite communication technologies, our client, a global leader in high-tech communications, is expanding its R&D team based in the Lausanne area. We are looking for a Senior Radio Frequency Engineer to contribute to the development of cutting-edge Ka-Band phased array antenna systems for aerospace applications. You will join a multidisciplinary engineering team working alongside system, hardware, software, and mechanical experts to design innovative RF solutions that meet demanding performance, reliability, and industrialization requirements. 📌 Your Role As a Senior Radio Frequency Engineer , you will take ownership of the RF development lifecycle for complex antenna subsystems. From architecture definition to laboratory validation and production transfer, you will play a key role in designing highly reliable RF solutions while collaborating closely with cross-functional engineering teams. 🎯 Your Responsibilities 🔹 RF Design & Architecture * Define RF requirements and contribute to system architecture decisions. * Perform RF link budget analysis and technical trade-off studies. * Design high-performance RF front-end circuits and modules for Ka-Band phased array antennas. 🔹 Development & Validation * Simulate, prototype, test, and validate RF subsystems. * Lead RF board and module bring-up, calibration, characterization, troubleshooting, and optimization. * Prepare comprehensive technical and manufacturing documentation. 🔹 Cross-Functional Collaboration * Work closely with System, Hardware, Mechanical, and Software Engineering teams. * Participate in design reviews and technical decision-making. * Support integration activities throughout the product development cycle. 🔹 Industrialization & Quality * Ensure designs comply with Design for Manufacturing (DFM), Assembly (DFA), Test (DFT), and Maintenance principles. * Support the transition from development to production. * Contribute to continuous product improvement and resolution of field or manufacturing issues. 💼 Your Profile * Master's degree in RF Engineering, Microwave Engineering, Electrical Engineering, or equivalent. 10+ years of experience in RF/Microwave engineering within demanding industries such as aerospace, telecommunications, defense, or space. * Strong expertise in RF circuit design including LNAs, PAs, mixers, filters, phase shifters, attenuators, couplers, and T/R modules. * Proven experience with phased array antenna technologies and beamforming techniques. * Proficiency with electromagnetic simulation tools such as HFSS , CST , or equivalent, as well as circuit/system simulation tools like Keysight ADS . * Solid understanding of RF PCB design constraints and collaboration with PCB layout engineers. * Hands-on laboratory experience using Vector Network Analyzers, Spectrum Analyzers, Signal Generators, Noise Figure Meters, and similar RF equipment. * Strong analytical mindset, excellent problem-solving skills, and attention to detail. * Excellent communication skills in English , both written and spoken. ➕ Nice to Have * Experience with MMIC design (GaAs, GaN). * Knowledge of Ka-Band SatCom technologies. * RF test automation and production test development. * Experience with aerospace certification and regulatory compliance. * Familiarity with Altium Designer and SolidWorks collaborative environments. 🏆 Position Details : 📍 Location: Lausanne area, Switzerland 📅 Start Date: Flexible 🏢 Work Model: Hybrid