Spacecraft Propulsion Engineer - Engine Team

Firefly Aerospace, Inc.; Cedar Park (TX); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

Unlimited PTO

3-month sabbatical every 5 years

Health, dental, vision insurance

Job summary

Firefly Aerospace, Inc. in Texas seeks a Propulsion Engineer II to join the Spectre Engine team. You will develop hypergol engines for the Blue Ghost program, collaborating with structures, fluid systems, and avionics to deliver reliable propulsion hardware.

The role requires hands-on design, analysis, testing, and operations support from concept through qualification, with strong emphasis on manufacturability and safety in a fast-paced environment.

Qualifications

• BS in Aerospace Engineering or related engineering discipline.
• 3+ years of experience working on an aerospace engine or fluid system.
• Experience in Siemens NX or equivalent CAD program.
• Understanding of tolerancing, ASME Standards, ASTM, and GD&T.
• Ability to work effectively in a multi-disciplinary team.

Responsibilities

• Serve as Responsible Engineer for in-space propulsion hardware including main and attitude control engines, valves, and propellant tanks.
• Develop new and innovative design concepts for propulsion integration and operations that reduce complexity and maximize reliability within budget.
• Assist in the development of manufacturing, integration, and test processes, including work instructions, test procedures, development testing, and initial build support.
• Act as the primary point of contact for design, analysis, and operations of spacecraft fluid systems.
• Perform flight operations as a primary operator for fluids and propulsion systems.
• Own and execute development, qualification, and acceptance testing of flight hardware.
• Execute design for manufacturability changes to enhance production efficiency and vehicle reliability.
• Identify system risks and conduct corresponding trade studies to ensure successful vehicle operation.
• Drive development of automation and test data analysis tools.

Skills

3+ years aerospace experience

Education

BS in Aerospace Engineering or related field

Tools

Siemens NX

Job description

Firefly Aerospace, Inc. in Texas seeks a Propulsion Engineer II to join the Spectre Engine team. You will develop hypergol engines for the Blue Ghost program, collaborating with structures, fluid systems, and avionics to deliver reliable propulsion hardware.

The role requires hands-on design, analysis, testing, and operations support from concept through qualification, with strong emphasis on manufacturability and safety in a fast-paced environment.