Propulsion Engineer I — Hypergol Engines for Spacecraft

Firefly Aerospace; Cedar Park (TX); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Health benefits

Relocation benefits

Educational reimbursement

Flexible PTO

Job summary

Firefly Aerospace in Texas is hiring a Propulsion Engineer II to join the Spectre Engine team. You will develop hypergol engines for the Blue Ghost program, tackling design, analysis, manufacturing, testing, and operations with a multi-disciplinary team.

You will own projects, lead critical decisions, and demonstrate a passion for solving complex propulsion challenges in a fast-paced environment. The role emphasizes hands-on development, test infrastructure, and collaboration with structures,

Qualifications

• BS in Aerospace Engineering or related engineering discipline.
• 3+ years of experience on an aerospace engine or fluid system.
• Strong fundamentals in fluids, thermodynamics, and mechanics.
• Experience with Siemens NX or equivalent CAD.
• Understanding tolerancing, ASME/ASTM standards, and GD&T.
• Ability to work effectively in a multi-disciplinary team and provide technical guidance.

Responsibilities

• Serve as Responsible Engineer for in-space propulsion hardware including main and attitude control engines, valves, and propellant tanks.
• Develop new design concepts for propulsion integration that reduce complexity and increase reliability while staying within budget.
• Assist in development of manufacturing, integration, and test processes and create work instructions and test procedures.
• Act as primary contact for design, analysis, and operations of spacecraft fluid systems.
• Perform flight operations as a primary operator for fluids and propulsion systems.
• Own and execute development, qualification, and acceptance testing of flight hardware.
• Implement design for manufacturability changes to improve production efficiency and vehicle reliability.
• Identify system risks and conduct trade studies to ensure successful operation.
• Drive development of automation and test data analysis tools.

Skills

Strong engineering fundamentals in Flu

Multi-disciplinary teamwork

Tolerancing and GD&T

Education

BS in Aerospace Engineering or related engineering discipline

Tools

Siemens NX

Job description

Firefly Aerospace in Texas is hiring a Propulsion Engineer II to join the Spectre Engine team. You will develop hypergol engines for the Blue Ghost program, tackling design, analysis, manufacturing, testing, and operations with a multi-disciplinary team.

You will own projects, lead critical decisions, and demonstrate a passion for solving complex propulsion challenges in a fast-paced environment. The role emphasizes hands-on development, test infrastructure, and collaboration with structures,