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.

Tasks

📌 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.

Requirements

💼 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.

Benefits

🏆 Position Details :

📍 Location: Lausanne area, Switzerland

📅 Start Date: Flexible

🏢 Work Model: Hybrid