Senior Radio Frequency Engineer

We are an ambitious European space-tech company developing next-generation spacecraft focused on in-space mobility and orbital transportation. As part of an upcoming mission programme, we are looking for an experienced RF & Telecommunications Engineer to lead the development, integration, and qualification of the spacecraft telecom subsystem.

This is an opportunity to join a highly technical team working on cutting-edge spacecraft systems in a fast-paced startup environment.

• Own the spacecraft RF and telecommunications subsystem from architecture through qualification
• Define and maintain RF link budgets across all mission phases
• Develop subsystem requirements, specifications, and interface documentation
• Lead integration and verification activities including RF testing, EMC/EMI, and environmental campaigns
• Coordinate suppliers for RF hardware including transceivers, antennas, RF chains, and harnessing
• Work closely with AIT, systems, avionics, and mission operations teams
• Support ground segment integration and end-to-end communications readiness
• Troubleshoot RF and telecom issues during integration and testing

• Degree in Telecommunications, RF/Microwave Engineering, Aerospace Engineering, or related field
• 5+ years of experience in RF or telecommunications engineering
• Strong experience developing RF link budgets and spacecraft telecom architectures
• Hands-on experience with RF integration and lab testing equipment (VNA, spectrum analysers, signal generators, power meters)
• Experience integrating RF hardware and managing technical suppliers
• Familiarity with EMC/EMI, environmental qualification, and spacecraft integration constraints
• Experience with tools such as MATLAB, Python, ADS, CST/HFSS, or Spice is advantageous
• Previous spacecraft, aerospace, or high-reliability systems experience preferred
• Strong communication skills and ability to operate effectively in a startup environment

• Opportunity to work on advanced spacecraft systems from concept through flight
• High level of ownership and technical responsibility
• Direct involvement in spacecraft integration and mission preparation
• Fast-paced engineering environment with significant technical impact
• Long-term growth opportunities within a scaling space company