Sr. Thermal & Propulsion Engineer

Fortastra is seeking a Sr. Thermal & Propulsion Engineer to own the design and implementation of bipropellant propulsion hardware and Thermal Control Systems. This hardware-focused role involves architecting, designing, and building propulsion and thermal-fluid systems, including thrusters, feed systems, and thermal management hardware for flight readiness. The position requires taking systems from concept through detailed design and into assembly and integration with a focus on practical, flight-ready hardware.