Firefly Aerospace · 6 hours ago
Senior Propulsion Manufacturing Engineer
Briggs, TX
Full-time
Onsite
Senior Level
5+ years expFirefly Aerospace is a space and defense technology company that enables world-class missions in space. The Senior Propulsion Manufacturing Engineer will lead the transition of propulsion products from development to production, ensuring high-quality fabrication and assembly processes while driving continuous improvements.
AerospaceAir TransportationSatellite Communication
No H1B
U.S. Citizen Only
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
Qualification
Required
Bachelor's degree in Engineering or related technical field
5+ 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
Preferred
7-10 + 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
Benefits
Generous health, dental and vision plans with low plan deductibles
Parental leave
Educational reimbursement
Short term disability
Flexible PTO options
Company
Firefly Aerospace
Firefly Aerospace is a space company that develops and operates launch vehicles, lunar landers, and orbital vehicles for commercial mission.
501-1000 employees
Funding
Current Stage
Public CompanyTotal Funding
$796.56MKey Investors
Northrop GrummanRPM VenturesAE Industrial Partners
2025-08-07IPO
2025-05-29Corporate Round· $50M
2024-11-12Series D· $175M
Leadership Team
Jason Kim
Chief Executive Officer
Eric Salwan
Co-Founder
Recent News
The Motley Fool
2026-01-16
Company data provided by crunchbase