Propulsion Systems Engineer

5 days ago

Cedar Park, Texas, United States Firefly Aerospace Full time
About Firefly Aerospace

Firefly Aerospace is a leading provider of space transportation solutions, offering a range of launch vehicles, lunar landers, and orbital vehicles to government and commercial customers. Our mission is to enable our world to launch, land, and operate in space - anywhere, anytime.

Job Summary

We are seeking a highly skilled Propulsion Systems Engineer to join our team. As a Propulsion Systems Engineer, you will be responsible for designing, developing, and operating fluid systems for our spacecraft. This is a challenging and rewarding role that requires a strong understanding of fluid dynamics, thermodynamics, and mechanical engineering principles.

Responsibilities
  • Design and develop fluid systems for spacecraft, including pressurization systems, propellant systems, and other complex multidisciplinary systems.
  • 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.
  • Coordinate 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.
  • Sit on console to provide launch and test operations support.
  • Develop lean spacecraft test and launch processes for fluid systems and assist the launch and test teams with troubleshooting during operations.
Qualifications
  • Bachelor's Degree in mechanical engineering, aerospace engineering, or equivalent.
  • 3+ years of hands-on experience designing, developing, and operating fluid systems.
  • Thorough understanding of fluid dynamics and thermodynamics.
  • Solid understanding of fluid components such as valves, regulators, pressure transducers, tubing, tanks, pressurized hardware, seals, and instrumentation.
  • Experience with fluid system subcomponent or pressurized component development, design, or testing (such as valves, regulators, piping systems, pumps, etc.).
  • Working knowledge of manufacturing, fabrication, integration & quality control relevant to fluid components (such as machining, inspection, assembly, testing, etc.).
  • Demonstrated ability to do clean sheet designs of pressurization systems, propellant systems, or other complex multidisciplinary systems.
  • Understanding of P&IDs, fluid system sizing, fluid component and instrumentation selection, and pressurized system design.
  • Experience using fluids analysis tools such as REFPROP, GFSSP or other computer-based fluid dynamic modeling.
  • Programming experience and ability to write programs for data processing and vehicle modeling.
  • Proficient with 3D & 2D CAD software packages such as Siemens NX.
Desired Qualifications
  • Advanced degree in mechanical, aerospace, or equivalent field.
  • Experience with In-space propulsion systems, preferably hypergolic bi-propellant.
  • Experience with liquid rocket engines or systems.
  • Experience in aerospace flight production programs.
  • Experience with thermal vacuum or random vibration testing.
  • Proven experience in working with data acquisition systems and test instrumentation including pressure transducers, thermocouples, resistance temperature detectors (RTDs), flow meters, load cells, and accelerometers.
  • Familiarity with some or all of the following software packages: Python, LabVIEW, GFSSP, Winplot, or other control, data acquisition, and reduction software.
  • History of developing solutions with partially defined requirements and changing criteria.
About Firefly Aerospace

Firefly Aerospace is an Equal Opportunity Employer; employment with Firefly is governed based on merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

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