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Manufacturing Engineer I-GSE

Firefly Aerospace

Briggs, TX · Posted October 20, 2026

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About the job

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

As a Ground Support Equipment (GSE) Manufacturing Engineer, you will coordinate the procurement and fabrication of a massive portfolio of hardware supporting all of Firefly’s endeavors. The GSE Department is responsible for the design and fabrication of nearly all non-flight hardware for launch vehicles, spacecraft, and R&D, including (but not limited to) launch sites, test stands, transport fixtures, manufacturing and assembly jigs, and payload integration systems. Firefly’s GSE team supports every major program at Firefly: Alpha Launch, A330, Medium Launch, Blue Ghost, and Elytra. On a daily basis, you will work directly with senior leadership, engineers, welders, test technicians, purchasers, and contractors to facilitate high quality, cost-effective, and on-time GSE builds. You will have the opportunity to leverage your knowledge of materials and fabrication techniques to influence and drive simplicity, manufacturability, and operability into mechanical and fluid systems. This position is located at our rocket manufacturing site in Briggs, TX, just north of Cedar Park.

RESPONSIBILITIES

Own and improve upon existing work order process to improve efficiency between engineering drawing release and completion of fabrication, including drawing review, material procurement, material organization & kitting, Non-Destructive Testing, assembly, proof testing, coating, and commissioning.

Direct interaction with technicians to reconcile differences in design intent vs as-built.

Performing make/buy decisions to hit project budget & schedule requirements

Establish, manage, and leverage relationships with key suppliers and internal customers

Participation in design reviews, providing feedback on design for operability, serviceability, and manufacturability

Creation and upkeep of milestone-based schedules to communicate build progress to stakeholders

Identification and dispositioning of potential non-conformances found throughout the build lifecycle

Assist design engineers by creating mBOM's, creating RFQ's, and managing virtual inventory.

QUALIFICATIONS

Required

Bachelors degree in Engineering or related technical field

Must have -1-3 years job experience not including internships, for manufacturing environment, working directly with welded structural assemblies, pipe & tube assemblies, large precision machines, sheet steel bending & cutting.

Knowledge of common NDE methods for weldments, including but not limited to: Fluorescent Dye Penetrant, Magnetic Particle, and Ultrasonic Methods

Experience with CAD software (Siemens NX preferred)

Experience with Odoo or other comparable ERP System

Organizational skills to consolidate and communicate progress and complex systems and deliverables

Knowledge of GD&T & familiarity with ASME Y14.5

Working/functional knowledge of basic fluid system components (i.e. valves, tubing, piping, flanges).

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

Able to read and interpret technical drawings and assembly instructions

Strong interpersonal and conflict resolution skills

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

Critical thinking and strong decision making ability

Desired

Familiarity with AWS D1.1 & D17.1

Ability to lift 40lbs

Experience working at outdoor job sites and on shop floors, directly with technicians and welders

Experience operating or working near mobile equipment such as forklifts and cranes

Lift and Rigging experience

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.

Firefly Aerospace, Inc. 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.