Firefly Aerospace
Direct Workday career site

Propulsion Manufacturing Engineer III

Location
Briggs, TX
Listed
Today

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 improvements

Qualifications

Required

  • Bachelor's degree in Engineering or related technical field
  • 8+ 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 (Python/high level Excel) preferred
  • Working knowledge of fluid components and systems

Additional information

Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, relocation benefits, educational reimbursement, short term disability, and flexible PTO options.

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.

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.

Read the original posting

From Firefly Aerospace's careers page, first listed on Rolev.ai on November 14, 2026. Rolev.ai is not the employer.

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Common questions

Where is the Propulsion Manufacturing Engineer III job at Firefly Aerospace located?

This Propulsion Manufacturing Engineer III position at Firefly Aerospace is located in Briggs, TX. Always check Firefly Aerospace's application page for specific state eligibility or relocation policies.

How do I apply for the Propulsion Manufacturing Engineer III position at Firefly Aerospace?

This listing links directly to Firefly Aerospace's Workday application page. You can apply directly on Firefly Aerospace's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Workday application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.