Lead Propulsion Engineer - Engine Hardware & Flight

Firefly Aerospace; United States; On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Health, dental and vision plans

Parental leave

Relocation benefits

Educational reimbursement

Short term disability

Flexible PTO

Job summary

Firefly Aerospace is seeking a Responsible Engineer for the Alpha Engines team, owning propulsion hardware from concept to flight. You will lead design and analysis of engine components, coordinate with fabrication, testing, and launch operations, and act as SME for propulsion.

The role requires deep technical knowledge, ownership, and clear communication with teams spanning propulsion, structures, avionics, and vehicle systems. U.S. citizens or eligible-permits are required.

Qualifications

• B.S. in Mechanical, Aerospace, or a related engineering discipline.
• 3+ years of experience developing launch vehicle propulsion systems (Level II).
• 7+ years of experience for Level III.

Responsibilities

• Own engine hardware through the full product life cycle.
• Lead design and analysis of engine components to meet performance and reliability requirements.
• Drive fluid, structural, thermal, and dynamic analyses.
• Collaborate with manufacturing to develop processes and test procedures.
• Plan and execute development, qualification, and acceptance testing of flight hardware.
• Present design reviews and data reviews to stakeholders.
• Identify risks and drive decisions based on merit, risk, cost, schedule, and quality.
• Serve as propulsion representative during testing and launch operations.

Skills

Fluid dynamics

Thermodynamics

Heat transfer

Solid mechanics

Hardware ownership

Design analysis

Technical writing

Python

Education

B.S. in Mechanical, Aerospace, or related engineering

Tools

Siemens NX

Teamcenter

MATLAB

LabVIEW

GFSSP

Job description

Firefly Aerospace is seeking a Responsible Engineer for the Alpha Engines team, owning propulsion hardware from concept to flight. You will lead design and analysis of engine components, coordinate with fabrication, testing, and launch operations, and act as SME for propulsion.

The role requires deep technical knowledge, ownership, and clear communication with teams spanning propulsion, structures, avionics, and vehicle systems. U.S. citizens or eligible-permits are required.