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Salary
≈ $39k – $69k per year (Estimated)
Location
In office (Cedar Park)
Seniority
Middle · 5+ years exp
Employment
Full-Time

First seen by Alion on Oct 20, 2026.

Overview
Company
Impact
Profile match
Firefly Aerospace is an American space and defense technology company specializing in the development of small- to medium-lift launch vehicles, lunar landers, and orbital transfer vehicles. Headquartered in Cedar Park, Texas, the company provides rapid and reliable space access through its Alpha rocket, upcoming Eclipse launch systems, Blue Ghost lunar landers, and Elytra orbital vehicles. By combining advanced in-house manufacturing, rapid iteration, and cost-effective modular technologies, it delivers end-to-end mission services supporting commercial satellite deployment, scientific lunar exploration, and national security operations across cislunar space.

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

We are looking for an Environmental Test Technician III to join the Environmental Test Lab as part of the Advanced Materials department at Firefly Aerospace. You will apply your skill of utilizing thermal chambers, vibration tables, shock tables, and thermal-vacuum chambers to support design, manufacturing, and testing activities by the company.

The candidate must be a self-starter who works well in a team environment and has excellent interpersonal skills. The candidate will form an integral part of a team of engineers and technicians that will be a focal point for the company. The candidate will be expected to learn the testing processes, apply their knowledge, maintain good record-keeping, and have good working relationships with team members.

RESPONSIBILITIES

  • Provide technical support for running test equipment in the Environmental Test Lab, not limited to thermal chambers, vibration tables, shock tables, and thermal vacuum chambers.
  • Have expertise in running multiple environmental test laboratory areas (thermal, thermal vacuum, shock, vibration).
  • Provide training for new hires to the environmental test lab on running the equipment.
  • Set up and tear down of test equipment for each test.
  • Ensure that all work performed is properly and completely documented in preparation for QA inspection.
  • Read and interpret test procedures, process controls, schematics, wiring diagrams, specifications, drawings, manuals, blueprints, and engineering sketches.
  • Provide feedback to Engineering on quality, discrepancy identification and process and design improvements.
  • Comply with the company FOD program, tool control program, 5-S program, and all safety regulations.
  • Self-monitor work progress against area benchmarks and achieve on time delivery of all work.
  • Collaborate with test engineers to troubleshoot failures and issues derived from test data.
  • Perform other related duties, as assigned, to ensure an efficient and effective work environment.

QUALIFICATIONS

Required

  • High school diploma or equivalent required; associate degree in a related field preferred
  • 5+ years of experience in environmental testing or a similar role
  • Familiarity with testing equipment and procedures
  • Ability to interpret and analyze test results
  • Strong attention to detail and accuracy
  • Good communication skills
  • Strong hands on testing experience (dynamic and thermal environments) in an environmental test lab or college lab.
  • Training and/or experience in basic operation of an oscilloscope, multimeter, soldering wires & connectors, wire stripping, ohm's law, continuity testing, drilling & tapping holes, torque wrenches, DC power supplies, tape measures.
  • Software/Computer Skills including Windows Operating Systems, and Microsoft Office (Excel, Word, Outlook).
  • Ability to stand on feet for extended periods of time, lift 10-20 pounds regularly and 50-100 pounds occasionally.

Desired

  • Experience performing SRS Shock Testing
  • 4 Years+ Performing Vibration Testing
  • A.S. in Metrology, Instrumentation, Physics, Math, Engineering, Technology or other STEM related fields.
  • Previous experience with a related industry utilizing MIL-STD-810G, SMC-S-016 or similar.
  • Knowledge of one or more high-level general-purpose programming languages including but not limited to LabVIEW and Python.
  • Experience building test racks and rack enclosures.

Work Schedule

This is a 2nd shift position. Specific hours and shift details will be provided upon hire.

SUMMARY

We are looking for an Environmental Test Technician III to join the Environmental Test Lab as part of the Advanced Materials department at Firefly Aerospace. You will apply your skill of utilizing thermal chambers, vibration tables, shock tables, and thermal-vacuum chambers to support design, manufacturing, and testing activities by the company.

The candidate must be a self-starter who works well in a team environment and has excellent interpersonal skills. The candidate will form an integral part of a team of engineers and technicians that will be a focal point for the company. The candidate will be expected to learn the testing processes, apply their knowledge, maintain good record-keeping, and have good working relationships with team members.

RESPONSIBILITIES

  • Provide technical support for running test equipment in the Environmental Test Lab, not limited to thermal chambers, vibration tables, shock tables, and thermal vacuum chambers.
  • Have expertise in running multiple environmental test laboratory areas (thermal, thermal vacuum, shock, vibration).
  • Provide training for new hires to the environmental test lab on running the equipment.
  • Set up and tear down of test equipment for each test.
  • Ensure that all work performed is properly and completely documented in preparation for QA inspection.
  • Read and interpret test procedures, process controls, schematics, wiring diagrams, specifications, drawings, manuals, blueprints, and engineering sketches.
  • Provide feedback to Engineering on quality, discrepancy identification and process and design improvements.
  • Comply with the company FOD program, tool control program, 5-S program, and all safety regulations.
  • Self-monitor work progress against area benchmarks and achieve on time delivery of all work.
  • Collaborate with test engineers to troubleshoot failures and issues derived from test data.
  • Perform other related duties, as assigned, to ensure an efficient and effective work environment.

QUALIFICATIONS

Required

  • High school diploma or equivalent required; associate degree in a related field preferred
  • 5+ years of experience in environmental testing or a similar role
  • Familiarity with testing equipment and procedures
  • Ability to interpret and analyze test results
  • Strong attention to detail and accuracy
  • Good communication skills
  • Strong hands on testing experience (dynamic and thermal environments) in an environmental test lab or college lab.
  • Training and/or experience in basic operation of an oscilloscope, multimeter, soldering wires & connectors, wire stripping, ohm's law, continuity testing, drilling & tapping holes, torque wrenches, DC power supplies, tape measures.
  • Software/Computer Skills including Windows Operating Systems, and Microsoft Office (Excel, Word, Outlook).
  • Ability to stand on feet for extended periods of time, lift 10-20 pounds regularly and 50-100 pounds occasionally.

Desired

  • Experience performing SRS Shock Testing
  • 4 Years+ Performing Vibration Testing
  • A.S. in Metrology, Instrumentation, Physics, Math, Engineering, Technology or other STEM related fields.
  • Previous experience with a related industry utilizing MIL-STD-810G, SMC-S-016 or similar.
  • Knowledge of one or more high-level general-purpose programming languages including but not limited to LabVIEW and Python.
  • Experience building test racks and rack enclosures.

Work Schedule

This is a 2nd shift position. Specific hours and shift details will be provided upon hire.

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.

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