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Firefly Aerospace · 11 hours ago

Propulsion Engineer III (Miranda Engine)

Briggs, TX

Full-time

Onsite

Senior Level

5+ years exp

Firefly Aerospace is an end-to-end responsive space transportation company on a mission to enable world-class space operations. The Propulsion Engineer III will be responsible for designing, developing, and testing the Miranda first stage engine for the Eclipse vehicle, ensuring performance and quality requirements are met.

AerospaceAir TransportationSatellite Communication

No H1B

U.S. Citizen Only

Responsibilities

Responsible for producing and releasing Miranda fluids system designs interfacing with integrated combustion devices, turbomachinery, valves, fluid systems, TVC, and avionics components

Own and execute development, qualification, and acceptance testing of engine systems and sub-systems

Responsible for close coordination with other engineers, production team members, and Quality department to produce and release numerous engine sub-assembly and component drawings that maximize performance and reduce manufacturing complexity

Maintain multiple, controlled revisions of the engine CAD as component designs are traded in analysis and iterated in development testing

Provide hands-on support for development engine builds to iterate and improve engine design and layout

Develop and maintain engine interfaces. Participate in test stand and vehicle installation procedures and improve them as needed

Communicate risks and trade solutions to minimize risk of failure in development, manufacturing, test and flight

Qualification

Mechanical EngineeringAerospace EngineeringCAD toolsFluid systems analysisGD&T fundamentalsMetallic manufacturing techniquesBipropellant liquid rocketMaterial selectionCommunicationProblem-solvingTeam collaboration

Required

Bachelor's Degree in Mechanical Engineering, Aerospace Engineering, or equivalent

5+ years experience with CAD and configuration management tools (Siemens NX and Teamcenter preferred)

Experience working within large CAD assemblies

Familiarity with GD&T fundamentals, applications, and tolerance stackups

Strong background in mechanical design and metallic manufacturing techniques including subtractive and additive machining, welding, and inspection

Understanding of bipropellant liquid rocket fundamentals and ability to collaborate with subject matter experts to maximize engine performance

Knowledge of material selection for cryogenic, high pressure, and high temperature systems as well as Oxygen-compatible materials

Knowledge of fluid components such as valves, regulators, pressure transducers, tubing, pressurized hardware, seals, and instrumentation and experience performing fluid systems sizing analysis with such components

History of developing solutions with partially defined requirements and changing criteria