Propulsion Engineer — Spacecraft Engines & Flight Ops

Firefly Aerospace; Town of Texas (WI); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Health, dental, and vision benefits

Parental leave

Educational reimbursement

Short-term disability

Flexible PTO

Job summary

Firefly Aerospace is seeking a Propulsion Engineer to join the Spacecraft Engine Team in Austin, TX. You will develop hypergol engines for the Blue Ghost program, taking ownership from design through testing and operation.

You will collaborate with structures, fluids, and avionics to enable reliable propulsion, control, and program success. Candidates should have strong fundamentals and hands-on testing experience.

Qualifications

• BS in Aerospace Engineering or related engineering discipline.
• Strong engineering fundamentals in fluids, thermodynamics, and mechanics.
• Experience with Siemens NX or equivalent CAD program.
• Understanding of tolerancing, ASME Standards, ASTM, and GD&T.
• Ability to work in a multi-disciplinary team and provide technical guidance.

Responsibilities

• Serve as Responsible Engineer for in-space propulsion hardware including main and attitude control engines, valves, and propellant tanks.
• Develop new design concepts for propulsion integration that reduce complexity and increase reliability within budget.
• Support manufacturing, integration, and test processes with documentation and procedures.
• Lead design, analysis, and operation of spacecraft fluid systems.
• Perform flight operations as primary operator for fluids and propulsion systems.
• Own and execute development, qualification, and acceptance testing of flight hardware.
• Propose DFA changes to enhance production efficiency and vehicle reliability.
• Identify system risks and conduct trade studies for successful vehicle operation.
• Drive development of automation and test data analysis tools.

Skills

Aerospace engineering fundamentals

Fluids & thermodynamics

Multidisciplinary teamwork

GD&T knowledge

Siemens NX CAD

Education

BS in Aerospace Engineering

Master’s degree (desired)

Tools

Siemens NX

CAD software

Job description

Firefly Aerospace is seeking a Propulsion Engineer to join the Spacecraft Engine Team in Austin, TX. You will develop hypergol engines for the Blue Ghost program, taking ownership from design through testing and operation.

You will collaborate with structures, fluids, and avionics to enable reliable propulsion, control, and program success. Candidates should have strong fundamentals and hands-on testing experience.