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. 🌎✨
...

416 5
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!
...

227 0
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. ...

430 13

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

Internship - Engine Test - Spring 2027

  • Briggs, TX
  • Engineering
  • Full time
  • JR100189

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

The engineer for this position will support Firefly’s Flight and Test Operations team. This team is responsible for the operation of all the test stands at Firefly’s Testing Site in Briggs, Texas, as well as launch operations at our launch sites, such as Vandenberg, California. If you’re the type of person who wants to know every last detail regarding the operation, function, and performance of a rocket, Test and Launch Operations is the place for you. Operations engineers partner with engineers from across the company to test and validate hardware, all in the pursuit of making flight-worthy components. Best of all, they launch the rockets. Firefly is a new aerospace company, full of creative and talented people, and the engineers in Flight and Test Operations are where the “Lox hits the TEA-TEB”.

RESPONSIBILITIES

  • Execute test and launch plans and procedures on console, using voice communication systems and data display and control systems
  • 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 the test site and launch site responsible engineers to optimize test and launch systems designs and operations
  • Identify continuous improvement opportunities for performance, reliability, and cost
  • Analyze and review data to ensure that hardware is operating as expected, utilizing numerical data analysis tools to interpret test results

QUALIFICATIONS

Required:

  • Must be currently enrolled in either a BS or MS program (or a recent graduate) at an accredited four-year university or college.
  • Willing to work in a hands-on, constantly evolving environment
  • Detail-oriented, managing multiple priorities while maintaining focus towards a common goal
  • 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

Desired:

  • Ability to read and understand technical drawings, including GD&T and P&IDs
  • Experience building, troubleshooting, or operating fluid systems
  • Experience with test plan generation
  • 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
  • Works well in a collaborative multidisciplinary environment
  • 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

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.