Careers

Dream Big at Firefly

Life at Firefly

At Firefly, we’re focused on making space attainable for everyone – including you! Each team member’s passion, dedication, and innovative ideas have a direct impact on fueling our successful trajectory into space. And there’s no shortage of meaningful projects to work on at Firefly. With launch, lunar, and orbital vehicles, Firefly has a diverse line of business with opportunities to get hands-on experience launching rockets, operating in space, and landing on the Moon.

Our missions are powered by our incredible team members and the family and friends who stand by them. 

Over the weekend, we welcomed our Firefly families to our Rocket Ranch in Briggs, TX, for a fun-filled day of celebration and a behind-the-scenes look at the work that brings us closer to the stars.

To the families and friends who support us, THANK YOU! Together, we’re building the future of space exploration for generations to come. 🌎✨

Our missions are powered by our incredible team members and the family and friends who stand by them.

Over the weekend, we welcomed our Firefly families to our Rocket Ranch in Briggs, TX, for a fun-filled day of celebration and a behind-the-scenes look at the work that brings us closer to the stars.

To the families and friends who support us, THANK YOU! Together, we’re building the future of space exploration for generations to come. 🌎✨
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What does SciTec bring to the Firefly family? 

SciTec President David Simenc explains how its advanced defense technologies help protect our nation in this episode of Firefly FAQ.

Check it out!

What does SciTec bring to the Firefly family?

SciTec President David Simenc explains how its advanced defense technologies help protect our nation in this episode of Firefly FAQ.

Check it out!
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Start your week with another Manufacturing Minute! Our Quality Metrologist, Chase Auker, takes us behind the scenes to show how laser trackers measure rocket and spacecraft components with incredible accuracy.

Start your week with another Manufacturing Minute! Our Quality Metrologist, Chase Auker, takes us behind the scenes to show how laser trackers measure rocket and spacecraft components with incredible accuracy. ...

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Our Values

Headquartered in the Lone Star State, Firefly’s hardworking team reflects Texas’ GO BIG culture in everything we do. We build big, achieve big, and dream big. We’re building launch vehicles and spacecraft to provide rapid, reliable space access. We’ve achieved some incredible wins, including the first successful commercial Moon landing. And we’re dreaming bigger than this planet with ambitions to Mars, Venus, and beyond. Our core values are what drive us along the way.

Passion

Fireflies believe in perseverance, responsiveness, and mentoring others with a focus on inspiring a better future.

Accountability

Fireflies act with integrity and take ownership of our actions, commitments, decisions, and outcomes.

Collaboration

Fireflies work in alignment across teams and communicate clearly with mutual respect for one another.

Excellence

Fireflies deliver high-quality work through technical rigor and timely disciplined execution for our customers.

Alpha team
Employees at Test Stand 5
Firefy's Elytra orbital vehicle for Elytra Mission 1
Eclipse First Stage Tanks

Our Benefits

We take care of our Fireflies with some of the best benefits in the industry. Our mission to make space for everyone starts with our employees and allowing them to make space for their family, their career, and their future.

Space for You

  • Unlimited PTO for exempt employees
  • 3-month sabbatical for every 5 years of service
  • Medical, dental, vision, life, and disability insurance
  • Mental health services
  • Paid military leave

Space for Your Family

  • 12 weeks paid maternity leave
  • 4 weeks paid spouse leave
  • $20k towards family planning: fertility, surrogacy, adoption
  • Dog friendly workplace

Space for Your Career

  • $10k/year towards trade school or college
  • $2k/year for professional development
  • Ongoing coaching to advance leadership skills

Space for Your Future

  • Employee-ownership with stock bonuses
  • 4% Safe Harbor 401(k) matching
  • Financial planning resources
  • $10k bonus for home purchase in Cedar Park, Texas
Firefly employee at launch site
Firefly family
Firefly Mission Control Room
Firefly to the Moon

Job Openings

From launch technicians to propulsion engineers, Firefly has open roles across the company. We’re looking for passionate, bright innovators to join our team and help make space an achievable dream for everyone.

Back to Job Openings

Test Engineer II, Vehicle Stages

  • Briggs, TX
  • Test & Validation
  • Full time
  • JR100256

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.

RESPONSIBILITIES

  • Set up and perform tests on a wide range of small valves, mechanisms, COPVs, and other Aerospace components
  • Develop test procedures to check out and operate launch vehicle systems and subsystems
  • Develop Autonomous sequencing for test stand automation
  • Execute test plans and procedures on console, using voice comm systems and data display and control systems
  • Develop and execute system validations, activations, upgrades and other tests required to ensure your stand is ready to support testing
  • Manage test stand scheduling for operations and maintenance down time
  • Participate in resolving any issues and non-conformances that arise during operations, and support failure and anomaly investigations, troubleshooting and resolution development
  • Design and develop automated scripts that support test and launch operations
  • Work with test site and launch site responsible engineers to optimize test and launch systems designs and operation
  • Identify continuous improvement opportunities for performance, reliability, and cost
  • Ensure all operations are performed on time, safely and in a professional manner
  • Analyze and review data to ensure that hardware is operating as expected utilizing numerical data analysis tools to interpret test results

QUALIFICATIONS

Required

  • MS, or BS in Engineering or related engineering discipline
  • Minimum 3 plus years of hands-on experience with liquid rocket propulsion test operations, including test planning, execution, and data analysis
  • Experience building, troubleshooting or operating fluid systems
  • Experience with Cryogenic systems
  • Works well in a collaborative multidisciplinary environment
  • Exceptional comprehension of engineering fundamentals
  • Exceptional writing and verbal communication skills
  • Experience with 3D and 2D CAD software
  • Ability to lift 30 pounds and to be on your feet all day when required
  • Ability to work on test stands and use standard mechanical and electrical tools
  • Willingness to travel to support launch operations in California. (Max, 25%)

Desired

  • Ability to read and understand technical drawings, including GD&T and P&IDs
  • Experience with test plan generation
  • Experience with ASME B31.3
  • Experience as a Ground Controller or Vehicle Controller supporting Launch Vehicle operations
  • Experience with high pressure compressible gas systems
  • Knowledgeable with liquid fueled launch vehicle subsystems
  • Knowledgeable with Rocket Engine testing fundamentals
  • Ability to perform computations for fluid systems (e.g., pressure drop, valve timing, etc.) for liquids, cryogenic liquids, and gases
  • Independent, driven and able to develop solutions with minimal guidance and oversight
  • Able to prioritize and execute tasks in a high pressure fast-paced environment
  • Familiarity with instrumentation and instrumentation deployment methods
  • Familiarity with data acquisition and control methods, and data analysis tools

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.

About Us

Launch. Land. Orbit.