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Environmental Test Engineer II

Firefly Aerospace Full Time

Job Description

ABOUT FIREFLY AEROSPACE

As an end-to-end responsive space company, Firefly Aerospace is on a mission to enable our world to launch, land, and operate in space – anywhere, anytime. Our small- to medium-lift launch vehicles, lunar landers, and orbital vehicles allow us to service the entire lifecycle of government and commercial missions from low Earth orbit to the Moon and beyond. We utilize carbon composite structures, patented propulsion technologies, and common components across our vehicles to iterate quickly, improve reliability, and deliver payloads at a lower cost. This position is in the Environmental Test Lab in Leander, TX.

SUMMARY

We are looking for an Environmental Test Engineer to join the Launch, Integration, and Test department at Firefly Aerospace. In this role, you will be an integral part of Test Team, developing test plans, designing test fixtures, managing the performance/execution of tests for product development, acceptance, and qualification.

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

  • Lead test planning, set-up, and execution of launch vehicle/spacecraft component testing
  • Author and review test procedures
  • Review finalized test data and report packages, ensuring compliance with requirements
  • Lead root cause investigations and document findings
  • Execute corrective actions
  • Drive test readiness reviews, debriefs, and technical meetings
  • Implement continuous process and facility improvements
  • Lead testing, analyze data, and provide test authorization
  • Troubleshoot failures and issues derived from test data

QUALIFICATIONS

Required

  • B.S. in Engineering, Physics, or related field
  • 3+ years of related experience in Aerospace testing
  • Familiarity with vibration, shock, and thermal testing
  • Experience with failure investigations, root cause analysis, and non-conformances
  • Knowledge of LabView software
  • Strong knowledge of hardware schematics, lab test equipment, oscilloscopes, instrumentation, DAQ systems
  • Ability to work independently with accelerated schedules
  • Strong documentation and communication skills

Desired

  • LabView Programming skills
  • 3-D modeling skills for fixture design
  • Experience testing to MIL-STD-810G, MIL-STD-461E, SMC-S-016, or other rigorous environmental testing and screening standards
  • Negotiating compliance and conformance with external governing agencies
  • Direct experience with range safety agencies
  • Experience with designing test racks and rack enclosures

Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, 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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Job Details

Department
Operations
Category
Aerospace Engineering
Employment Type
Full Time
Posted
May 7, 2026, 11:25 AM
Listed
May 7, 2026, 11:25 AM

About Firefly Aerospace

Part of the growing frontier tech ecosystem pushing the edges of what's possible.

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Environmental Test Engineer II
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