RF Power Systems Engineer for Space Propulsion

Kreios Space Ltd; Nigrán; On-site; EUR 52,000 - 75,000; Full time

Job summary

Kreios Space Ltd in Spain is seeking an RF Power Systems Engineer to contribute to the development of electric propulsion systems for VLEO. You will support development, integration and validation of the RF power system enabling plasma generation and sustainment in our air-breathing propulsion tech.

You will work with propulsion, plasma physics, avionics and systems engineering teams in a hands‑on environment, interfacing with external suppliers for the Power Processing Unit while ensuring

Qualifications

• Strong understanding of RF engineering fundamentals and impedance matching.
• Experience with RF power generation, delivery systems and high‑power hardware.
• Familiarity with matching networks and RF coupling for dynamic loads.
• Experience with RF generators, amplifiers and high‑power RF hardware.
• Knowledge of high voltage safety requirements for lab and flight hardware.
• Experience with MOSFET-based switching circuitry.
• Ability to review electrical schematics, docs and supplier designs.
• Experience defining/test campaigns and analyzing experimental data.
• Basic programming or scripting with Python or MATLAB.

Skills

RF engineering fundamentals

RF power generation

Matching networks

RF generators and amplifiers

High voltage safety

MOSFET switching circuits

review electrical schematics

test campaigns & data analysis

Python / MATLAB scripting

Job description

Kreios Space Ltd in Spain is seeking an RF Power Systems Engineer to contribute to the development of electric propulsion systems for VLEO. You will support development, integration and validation of the RF power system enabling plasma generation and sustainment in our air-breathing propulsion tech.

You will work with propulsion, plasma physics, avionics and systems engineering teams in a hands‑on environment, interfacing with external suppliers for the Power Processing Unit while ensuring