Propulsion Engineer II - Spacecraft Engines & Systems

Firefly Aerospace; Cedar Park (TX); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Health benefits

Parental leave

Educational reimbursement

Short-term disability

Flexible PTO

Job summary

Firefly Aerospace is seeking a Propulsion Engineer to join the Spectre Engine team in developing hypergol engines for the Blue Ghost program. You will own propulsion system design, analysis, and integration across design, manufacturing, and test, collaborating with structures, fluids, and avionics teams.

The role requires hands-on integration experience, strong fundamentals in fluids and thermodynamics, and the ability to drive trades and manufacturability improvements in a fast-paced space

Qualifications

• BS in Aerospace Engineering or related field.
• 3+ years of experience working on a spacecraft engine or spacecraft fluid systems.
• Strong fundamentals in fluids, thermodynamics, and mechanics.
• Experience with CAD/CAA tools such as Siemens NX or equivalent.
• Familiarity with tolerancing, ASME, ASTM, and GD&T.

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 maximize reliability within budget.
• Assist in manufacturing, integration, and test processes, including test procedures and initial build support.
• Act as primary 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.
• Implement design for manufacturability changes to enhance production efficiency and vehicle reliability.
• Identify system risks and conduct trade studies for successful operation.
• Drive development of automation and test data analysis tools.

Skills

Propulsion experience

Fluids and thermodynamics

Mechanics fundamentals

Team collaboration

GD&T awareness

Education

BS in Aerospace Engineering

Master’s in Mechanical/Aerospace

Tools

Siemens NX

Job description

Firefly Aerospace is seeking a Propulsion Engineer to join the Spectre Engine team in developing hypergol engines for the Blue Ghost program. You will own propulsion system design, analysis, and integration across design, manufacturing, and test, collaborating with structures, fluids, and avionics teams.

The role requires hands-on integration experience, strong fundamentals in fluids and thermodynamics, and the ability to drive trades and manufacturability improvements in a fast-paced space