Senior RF Engineer

SPIRE AG seeks a Senior RF Engineer to design, test, and optimize RF subsystems for satellite communication and aerospace applications in a hybrid role based in Switzerland.

This position supports the development of next-generation proprietary communication systems. The successful candidate will focus on designing, analyzing, and optimizing advanced RF subsystems specifically tailored for satellite and aerospace environments.

Responsibilities

• Assist in creating RF subsystems for satellite communication, navigation, or monitoring systems.
• Select components and perform circuit-level design using PCB software and simulation platforms.
• Oversee RF modules through both production and testing phases.
• Execute bench, environmental, and spacecraft-level testing to identify and resolve faults.
• Lead validation, testing, and space qualification activities for current and new systems.
• Create test plans and define operational procedures.
• Provide technical support and consultancy to software, payload, operations, and manufacturing teams.

Requirements

• BSc, MSc, or Ph.D. in Telecommunications, Microwave, or RF Electronics Engineering.
• Minimum of five years of experience in RF system design, development, and testing.
• Practical experience with RF simulation, design, manufacturing, and fault-finding during testing.
• Ability to perform PCB schematic capture and layout for RF circuits.
• Hands-on experience with laboratory or field RF testing using equipment like Network Analyzers, Signal Analyzers, and Signal Generators.
• Skill in measuring passive and active circuit performance to validate system requirements.
• Capability to tune RF circuits for optimal performance.
• Proficiency in simulation tools such as ADS, CST, HFSS, and MATLAB.
• Competence in scripting languages and testing tools, with Python preferred.

Nice to have

• Strong background in high-frequency RF systems, such as Ku-band or Ka-band.
• Experience with end-to-end RF system analysis, simulation, and optimization.
• Knowledge of frequency spectrum management.
• Familiarity with advanced RF analog and high-speed digital signal processing techniques using Xilinx/AMD MPSoC/RFSoC.
• Experience in passive and active antenna design and measurement techniques.
• Background in power supply design and EMI mitigation.
• Experience in digital circuit design, including microcontrollers, FPGAs, and high-speed transceivers.

What the company offers

• Hybrid work model requiring at least three days per week in the office.
• Name Your Satellite Program (NYSP).
• Launch Attendance opportunities.
• Generous Time Off Policy.
• Education Assistance Program.
• Employee Assistance Program (EAP).
• Employee Stock Purchase Program (ESPP).
• Family Leave.
• Fitness Reimbursement.
• Employee Referral Program.
• Healthy snacks and beverages available in every office.

About the company

SPIRE AG is part of Spire Global, a space-powered data and analytics platform that provides insights about Earth from space. The company owns and operates the largest multi-purpose constellation of satellites, offering real-time global coverage of every point on Earth through a global ground station network and 24/7 operations.

• Access to the Name Your Satellite Program.
• Opportunities for launch attendance.
• Generous time off policy.
• Education assistance program.
• Employee assistance program (EAP).
• Employee stock purchase program (ESPP).
• Family leave benefits.
• Fitness reimbursement.
• Employee referral program.
• Healthy snacks and beverages provided in offices.