# Fluids Engineer II at Firefly Aerospace

- Company: Firefly Aerospace
- What the company does: Firefly Aerospace engages in providing economical and convenient access to space for small payloads through the design, manufacture, and operation of reliable launch vehicles. Backed by Space Capital.
- Company website: https://fireflyspace.com
- Type: Startups
- Level: Mid level
- Location: Briggs, TX
- Work setup: On-site
- Posted: 2026-10-22
- Apply by: 2026-12-06
- Apply: https://fireflyspace.wd115.myworkdayjobs.com/en-US/Firefly/job/Briggs-TX/Fluids-Engineer-II_JR100254?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/firefly-aerospace-fluids-engineer-ii/

## About the role

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. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Design, analyze, and build test stand and launch pad fluid systems, including incompressible, cryogenic, and high-pressure gas systems
- Own the full design cycle of your fluid systems, including generating schematics and P&IDs, sizing components, generating BOMs, creating CAD, procuring hardware, and generating drawings
- Work directly with technicians and welders to schedule, prepare, and build your designs and fix real-world problems
- Participate in and lead internal design reviews, operational readiness reviews, and represent Firefly during external design reviews
- Travel to test and launch sites, as required, to support build and commissioning of new and upgraded fluid system
- Bachelor’s degree in mechanical engineering, aerospace engineering, or equivalent


Source: 1752vc Careers, https://www.1752.vc/careers/jobs/firefly-aerospace-fluids-engineer-ii/