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Propulsion Manufacturing Engineer III

Job in Bertram, Burnet County, Texas, 78605, USA
Listing for: Firefly Aerospace
Full Time position
Listed on 2026-10-17
Job specializations:
  • Engineering
    Aerospace / Aviation / Avionics, Manufacturing Engineer, Mechanical Engineer, Systems Engineer
  • Manufacturing / Production
    Aerospace / Aviation / Avionics, Manufacturing Engineer, Systems Engineer
Salary/Wage Range or Industry Benchmark: 90000 - 130000 USD Yearly USD 90000.00 130000.00 YEAR
Job Description & How to Apply Below
ABOUT FIREFLY AEROSPACE Firefly Aerospace is a space and defense technology company that enables our world to launch, land, and operate in space – anywhere, anytime. As the partner of choice for critical space missions, Firefly is the only commercial company to launch a satellite to orbit with 24-hour notice and the only company to achieve a successful Moon landing. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the Moon and beyond.

Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.

SUMMARY The Firefly Propulsion Senior Manufacturing Engineering (ME) Team is responsible for the fabrication, integration, test, and delivery of the engines and fluid systems to vehicle and spacecraft programs. The individual MEs take profound ownership of engine components from the time the design is released to the delivery of a completed product. Propulsion MEs are makers, people who can take an idea on paper and turn it into a fully functioning component ready to fly to space.

This role is located at our manufacturing and test site in Briggs, TX, north of Cedar Park.

RESPONSIBILITIES Lead the transition of products from development to production

End to end ownership of the fabrication, assembly, and check out procedures for propulsion subassemblies and full up engines.

Continuous process development and improvement with the aim of radically increasing production rate and substantially reducing cost.

Lead investigations of process failures and drive to root cause.

Own the development, test, and qualification of new production processes.

Participate in design reviews and provide feedback to the design teams.

Own the assembly and integration instructions and work with technician teams towards continuous improvement.

Develop and execute functional checkout procedures and processes where applicable.

Disposition non-conformances that occur throughout the build process, develop and implement corrective actions

Conduct manufacturability reviews and implement design improvementsQUALIFICATIONSRequired

Bachelor’s degree in Engineering or related technical field8+ years of experience working in a Manufacturing Engineer role Proven experience with complex assemblies, e.g. production in aerospace/aviation/automotive industries

Able to read and interpret technical drawings and assembly instructions

Proven experience with complex troubleshooting

Proven experience working in dynamic and evolving environments

Excellent written and verbal communication skills to convey methodologies for assembly and troubleshooting

Strong interpersonal and conflict resolution skills – Must be a team player

Proven experience with tasks requiring extreme attention to detail and prolonged mental concentration

Ability to thrive in high stakes, stressful, short deadline environments

Critical thinking and strong decision making ability Desired
10 + years of experience in an aerospace production environment

Experience with advanced manufacturing techniques (welding, brazing, casting, additive fabrication, forging, spin forming, etc.)Experience working with cryogenics and high-pressure pneumatics systems

Experience with modern manufacturing principles, such as Lean Manufacturing, Six Sigma, etc.

Experience with complex system assembly and hands on build experience preferably in space systems or aerospace applications

Experience with writing assembly procedures or documentation for mechanical, electrical, or structural systems

Experience writing test plans, procedures and identifying pass/fail criteria on systems.

Knowledge of data analysis packages…
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