Fluids GSE Engineer – Space Launch Systems

Firefly Aerospace; Bertram (TX); On-site; USD 85,000 - 110,000; Full time

Job summary

Firefly Aerospace, based in Texas, is seeking a Fluids Ground Support Equipment (FGSE) Engineer to own the full lifecycle of fluid systems at launch sites and test stands. You will design, analyze, and build incompressible, cryogenic, and high-pressure gas systems and collaborate with technicians and cross-functional teams.

This role requires a Bachelor’s in mechanical or aerospace engineering, 2–5 years in fluid systems, and willingness to travel up to 30% to support GSE builds and activations.

Qualifications

• Bachelor’s degree in mechanical or aerospace engineering.
• 2–5 years in fluid systems, pneumatics, hydraulics, or HVAC design, assembly, test or operations.
• Solid understanding of fluid dynamics and thermodynamics.
• Experience with valves, regulators, instrumentation, and pressurized components.
• Willingness to travel up to 30% for GSE build and activation.

Responsibilities

• Design, analyze, and build test stand and launch pad fluid systems, including incompressible, cryogenic, and high-pressure gas systems.
• Own the full design cycle: schematics, P&IDs, BOMs, CAD drawings, and procurement.
• Work with technicians and welders to implement designs and fix real-world problems.
• Lead internal and external design reviews and readiness reviews for programs.
• Travel to test and launch sites as required to support builds and commissioning.

Skills

Fluid dynamics

Thermodynamics

Pneumatics & hydraulics

CAD design

Cross-functional teamwork

Project management

Education

Bachelor's degree in mechanical or aerospace engineering

Tools

Siemens NX

REFPROP

GFSSP

Job description

Firefly Aerospace, based in Texas, is seeking a Fluids Ground Support Equipment (FGSE) Engineer to own the full lifecycle of fluid systems at launch sites and test stands. You will design, analyze, and build incompressible, cryogenic, and high-pressure gas systems and collaborate with technicians and cross-functional teams.

This role requires a Bachelor’s in mechanical or aerospace engineering, 2–5 years in fluid systems, and willingness to travel up to 30% to support GSE builds and activations.