Senior Propulsion Test Engineer I​/II

Senior Propulsion Test Engineer I/II

As a Senior Propulsion Test Engineer I/II for our propulsion engineering team based out of Long Beach, CA, you will plan, prepare for, and execute engine and propulsion component testing. This includes ownership of the test facility, equipment, and test operations, and you will play a critical role in successful development, qualification, and production testing that directly contributes to mission success.

• Set and maintain best practices for all aspects of testing, ensuring a high standard of excellence across the team.
• Provide guidance, training, mentorship, and technical leadership to team members on testing methodologies and processes.
• Review and sign off on test plans and test reports, ensuring quality and compliance with requirements.
• Support engineers and leadership with risk‑based decision making to guide the team through development challenges.
• Own the full testing lifecycle, including test planning, setup, instrumentation, execution, data analysis, and reporting.
• Apply a systems engineering mindset to testing activities, integrating with broader engineering efforts.
• Communicate regularly and effectively with a wide range of stakeholders, both internal and external to the team.
• Define, document, and uphold standards of excellence through training, coaching, and review of others’ work.
• Contribute to meaningful, career‑defining projects alongside exceptional colleagues in a collaborative environment.

• 5+ years of experience in rocket engine test engineering, or equivalent high‑performance field.
• Bachelor’s degree in engineering (aerospace, mechanical, mechatronics, or other technical engineering discipline).
• Ability to travel to test facilities and work off‑site for extended periods.
• Prior work on engine test facilities and experience hot‑fire testing liquid rocket engines, including instrumentation, test operation, and data analysis.
• Expertise in instrumentation, automation, and data acquisition using either National Instruments or Beckhoff PLC.

• 8+ years of experience in rocket engine test engineering, or equivalent high‑performance field.
• Bachelor’s degree in engineering (aerospace, mechanical, mechatronics, or other technical engineering discipline).
• Ability to travel to test facilities and work off‑site for extended periods.
• Prior work on engine test facilities and experience hot‑fire testing liquid rocket engines, including instrumentation, test operation, and data analysis.
• Expertise in instrumentation, automation, and data acquisition using either National Instruments or Beckhoff PLC.

• Experience working with hypergolic propellants, or experience designing, building, or maintaining flight or GSE systems for hypergolic propellant service.
• Great communication skills and the ability to lead a team to execute a technical project.
• Understanding of the fundamentals of technical project management and systems engineering to manage interfaces and deliverables across all teams involved.
• Genuine passion for engineering, strong attention to detail, and an eagerness to learn.
• Excellent documentation and organization of engineering information, including test plans, test reports, facility configuration management, etc.
• Track record of successfully investigating and resolving the root causes of anomalies during testing or flight.
• Strong understanding of standard aerospace testing including random vibration, shock, thermal cycle, thermal vacuum, helium leak, accelerated life, and margin performance testing.
• Experience with getting government approvals through NEPA, permitting, or similar processes for construction, industrial, or test operations.
• Capabilities using Python for data manipulation and post‑processing.
• Experience with 1D fluid system modelling.
• Masters or PhD.

• Top‑tier medical (HMO, PPO) and 100% company‑sponsored medical HSA plan option.
• Dental and vision coverage.
• 3 weeks paid vacation and 5 days sick leave per year.
• 11 paid holidays per year.
• Flexible spending and dependent care savings accounts.
• Paid parental leave.
• Disability…