Senior Radio Frequency Engineer HF

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

Masters 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