Fluids Engineer II

Firefly Aerospace, Inc.

Texas

On-site

USD 90,000 - 130,000

Full time

10 hours ago

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Benefits offered by this job

Unlimited PTO for exempt employees

3-month sabbatical for every 5 years

Medical, dental, vision, life, and DIS

Mental health services

Paid military leave

12 weeks paid maternity leave

4 weeks paid spouse leave

$20k towards family planning

Dog friendly workplace

Stock bonuses

4% Safe Harbor 401(k) matching

$10k home purchase bonus in Cedar Park

Job summary

Firefly Aerospace, Inc. is seeking a Fluids Ground Support Equipment (FGSE) Engineer to own the complete lifecycle of critical fluid systems across launch sites, test stands, and production facilities.

You will design and build large, complex fluid systems including cryogenics, propellants, and high‑pressure gas systems, collaborating with technicians and cross‑functional teams to solve real‑world problems.

Qualifications

Own the complete lifecycle of critical fluid systems for launch sites, test stands, and production facilities.
Design and build large, complex fluid systems including cryogenics, propellants, and high-pressure gas systems.

Responsibilities

Own the lifecycle of FGSE from architecture to deployment.
Collaborate with technicians, welders, and cross-functional teams to resolve real-time challenges.

Skills

Fluid systems

Cross-functional collaboration

Job description

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.

What does SciTec bring to the Firefly family?
...

Peep our Elytra orbiter being assembled in the ...

Start your week with another Manufacturing Minute! ...

This World Space Week, remember to look up and ...

The engine powering Alpha`s first stage is truly ...

More cleanroom space. More spacecraft in ...

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

Accountability

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

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

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

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
- $10k/year towards trade school or college
- Ongoing coaching to advance leadership skills

Space for Your Future

Employee-ownership with stock bonuses
4% Safe Harbor 401(k) matching
$10k bonus for home purchase in Cedar Park, Texas

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.

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 Fluids Ground Support Equipment (FGSE) Engineer at Firefly, you'll own the complete lifecycle of critical fluid systems at our launch sites, test stands, and production facilities. You'll work in a dynamic and collaborative environment designing and building large complex fluid systems, including incompressible, cryogenics, propellants, and high-pressure gas systems. You’ll be solving real‑world problems in real-time alongside skilled technicians, welders, and cross‑functional teams. From architecture

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