Engine Test Engineer

ABOUT FIREFLY AEROSPACE

As an end-to-end space transportation company, Firefly Aerospace is on a mission to enable our world to launch, land, and operate in space � anywhere, anytime. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the surface of the Moon and beyond. As part of our mission to develop cutting-edge technology, we are seeking a skilled Engine Test Engineer to join our team and play a vital role in ensuring the success of our next-generation propulsion systems. This position is located at our manufacturing and test facility in Briggs, TX north of Austin, TX.

SUMMARY

We are seeking an Engine Test Engineer to join our test team at our manufacturing and test facility in Briggs, TX. This role offers the opportunity to work directly with hypergolic-fueled propulsion systems and the complex ground support equipment that makes testing possible. Testing Spectre will have a direct impact on the success of future lunar missions and will ultimately drive changes to the landscape of our space industry. Specter is an engine built on site, tested on site, and operated by you to be ready to fly to the lunar surface and beyond.

As an Engine Test Engineer, you will take ownership of the development, qualification, and hotfire testing of the Blue Ghost lunar lander propulsion engine. You will work daily with hypergolic propellants and high-reliability ground systems to validate engine performance and ensure readiness for lunar missions.

Your work will include designing and executing test campaigns, improving test infrastructure, and resolving anomalies in collaboration with technicians, propulsion engineers, and system specialists. You�ll be deeply involved in the hands-on setup, operation, and troubleshooting of propellant feed, pressurization, and safety systems. You will see the impact your work has on the program week-1 and will ultimately become an expert in testing and operating of the Spectre engine.

RESPONSIBILITIES

• Integrate, instrument, and conduct hotfire tests of the Spectre propulsion engine on Firefly�s dedicated hypergolic test stands
• Work directly with stakeholders of the Blue Ghost Lunar Lander program at Firefly Aerospace
• Develop and execute test plans and procedures, operating console controls, data systems, and voice communication during live tests
• Perform hands-on setup and checkout of ground support systems, including propellant