Spectre Propulsion Test Engineer (Hypergolic)

Firefly Aerospace; Bertram (TX); On-site; USD 90,000 - 130,000; 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 in Briggs, TX seeks an experienced Propulsion Test Engineer to lead test operations for the Spectre propulsion engine and related liquid propulsion systems supporting the Blue Ghost lunar lander program. You will plan and execute hotfire tests, analyze data in real time, and resolve anomalies while mentoring junior engineers.

This hands-on role requires deep propulsion knowledge, strong safety discipline, and collaboration with design and systems teams to ensure mission

Qualifications

• Hands-on experience with liquid rocket propulsion test operations and data analysis.
• Experience leading or conducting liquid propulsion hotfire tests.
• Strong understanding of propellant feed, pressurization, and ignition systems.

Responsibilities

• Lead the integration, instrumentation, and execution of hotfire tests for Spectre and related propulsion systems.
• Develop test plans, procedures, and sequences for complex propulsion testing.
• Serve as test conductor, manage data acquisition, and coordinate test team communications.
• Perform setup, checkout, and operation of ground support equipment and propellant transfer systems.
• Analyze test data in real-time and post-test to verify performance and root-cause anomalies.

Skills

Liquid propulsion test operations

Test planning

Data analysis

Python

LabView

Anomaly investigations

Education

BS in Mechanical Engineering

BS in Aerospace Engineering

BS in Chemical Engineering

Tools

Data Acquisition Systems

Instrumentation (pressure, temperature, flow, thrust)

P&IDs

Job description

Firefly Aerospace in Briggs, TX seeks an experienced Propulsion Test Engineer to lead test operations for the Spectre propulsion engine and related liquid propulsion systems supporting the Blue Ghost lunar lander program. You will plan and execute hotfire tests, analyze data in real time, and resolve anomalies while mentoring junior engineers.

This hands-on role requires deep propulsion knowledge, strong safety discipline, and collaboration with design and systems teams to ensure mission