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Stratolaunch, LLC Staff Propulsion Test Engineer in Mojave, California

Position Summary

Stratolaunch is developing an air-launch platform to contribute to high-speed research and development. The goal of Stratolaunch is to use the air-launch platform for enabling technologies that may not exist otherwise. Stratolaunch has the potential for creating technology development opportunities for commercial, philanthropic, and governmental organizations to collect rich and actionable data and drive advancements in science, research, and technology.

To achieve these efforts, Stratolaunch needs a Staff Propulsion Test Engineer to support ground qualification and acceptance testing of a liquid rocket engine propulsion system. Tasking may include the development of test article hardware and facilities, instrumentation, data acquisition systems, test plans and reports, along with acting as test conductor in the control room. An ideal candidate will have liquid rocket engine development and ground hot-fire test experience. This position will include the evaluation of a broad range of technical data. Candidates must have an aerospace development background and relevant experience in liquid rocket engine systems integration.

Essential duties and responsibilities:

  • Act as Test Conductor for hot-fire ground tests

  • Conduct test operations as an engineer in the control room and direct others, as required

  • Manage the propulsion test stand data acquisition system and Plumbing and Instrumentation Diagram

  • Develop and document test requirements, plans, procedures, and reports

  • Develop hardware for the propulsion test stand and associated facilities

  • Conduct propulsion test stand system analyses and studies in support of test activities

  • Support the development and application of the test stand control systems

  • Prepare and lead test stand Test Readiness Reviews and post-test Data Reviews

  • Assist mechanics in integrating components and assemblies onto the propulsion test stand

  • Test propulsion components and/or assemblies to prepare for integrated ground testing

  • Develop engineering tools, as needed, to complete their tasking

  • Regular and comprehensive communication to the Talon-A Propulsion Test Lead

  • Travel, as needed, to support the program

  • Demonstrate honesty, responsibility, integrity and fulfillment of commitments


To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.


  • Experience with liquid rocket engine ground testing

  • Experience with writing and developing test plans, procedures, and reports

  • Experience working in the field, as required, to prepare the site for engine testing

  • Experience with instrumentation and component calibration

  • Experience with component-level or subsystem level test planning and execution

  • Ability to communicate technical challenges and guidance to varied audiences to explainrationale and/or resolve concerns

  • Ability to work on their own initiative and prioritize tasking to fit within the business goals

  • Ability to quickly adapt to changing priorities

Required Computer Skills

  • Computer Aided Design tools – Solidworks or CATIA V5

  • MS Office (Word, Excel, Outlook)


  • Experience acting as a Test Conductor

  • Experience leading Test Readiness Reviews

  • Experience with liquid oxygen systems

  • IADS experience

  • Matlab/Simulink/Simscape experience

  • National Instruments data acquisition experience

  • National Instruments Labview experience

  • Security clearance


  • Bachelor’s degree (B.S.) from accredited institution and 10-plus years of relevant experience, OR equivalent combination of education and experience.

Special Remarks

  • Travel estimated to be approximately <= 10%

  • Position is based in Mojave, CA

Applicants must be a US citizen or Green Card holder to be considered for this role.

Stratolaunch is an equal opportunity employer that values diversity at our company. We encourage people from all walks of life to apply, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other characteristic protected by law. Our management team does not tolerate discrimination or harassment at any point during our employees’ and applicants’ time with us, especially with respect to recruitment, hiring, placement, promotion, transfer, training, compensation, benefits, employee activities, and general treatment during employment.

Equal Employment Opportunity is the Law:


Job Category: Engineering