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IRRT Principal Propulsion Engineer

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Job ID: 2310824
Location: EL SEGUNDO, CA, United States
Date Posted: Oct 20, 2023
Category: Engineering and Sciences
Subcategory: Specialty Engr
Schedule: Full-time
Shift: Day Job
Travel: No
Minimum Clearance Required: Secret
Clearance Level Must Be Able to Obtain: None
Potential for Remote Work: Remote
Benefits: Click here

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Job Description


SAIC is looking for an experienced and highly motivated Principal Propulsion Engineer in our Space System Center in El Segundo, CA to support the Independent Readiness Review Team (IRRT).  The IRRT ensures the Space System Center (SSC) space vehicles, launch vehicles, and ground control systems built properly to perform reliably over the systems mission life.  The IRRT’s mission is to deliver technically superior risk assessments and smart risk mitigation options to assure SSC space systems’ mission success in support of the joint warfighter and the nation.  The SSC Space Flight Worthiness maintains the IRRT to provide an independent assessment of program risks and risk mitigation options to SSC leadership for designated SSC launch vehicles, space vehicles, and ground control systems.  The IRRT acts independently from the programs under its review, and the SSC Commander in Chief is the final authority for directing and authorizing reviews by the IRRT.


Responsibilities include:


·       Support the Propulsion Panel by providing technical assistance in space and launch vehicle propulsion systems.

·       Provide technical evaluation and risk assessments of small and large liquid propulsion systems (hypergolic and cryogenic systems), solid propulsion (Hydroxyl-121 terminated polybutadiene (HTPB) propellants and graphite epoxy case materials), small apogee kick motor (AKM), large ablating nozzle, thrust vector control, mass properties, and ordnance.

·       Provide technical evaluations and risk assessments in the area o product assurance include quality assurance/manufacturing, reliability, parts/materials/ processes control, contamination/corrosion control, and a comparison of the adequacy of the product for performance and build quality against design disclosure and fleet norms.

·       Provide Advisory and Assistance Services (A&AS), including subject matter expertise (SME), in support of IRRT mission areas as directed in SMC-G-1201, SMC-G-1202, SMC-G-1203, and SMC-G-1204.

·       Ensures that SSC space vehicles, launch vehicles, and ground systems built properly to perform reliably over the system’s mission life.

·       Support IPTs in developing draft charts in support of Readiness Reviews described in those guides.

·       Perform peer reviews as a member of the technical panel on space vehicles, control segments, and launch vehicles developed by SSC s prime contractors, sub-contractors, and vendors.




        Bachelor of Science Degree required in Engineering, Computer Science, Math, Physics, or a Physical Science.

        Minimum 15+ years of hands-on design, build, or test experience in one or more of the following areas:  Large Liquid Engines (RD-180, RS-68, RL10, Merlin or similar engines) and/or Solid Rocket Motors or Retro Rockets, Booster Separation Systems (explosive bolts), Satellite Propulsion Subsystem, Rocket Engine Valves analysis.

        Significant experience in performing risk analysis and mitigation on Space Vehicles or Launch Vehicle solid/ propulsion systems and its subsystem components using Department of Defense approved risk analysis process.

        Extremely motivated individual who is a self-starter and a team player.

        Demonstrated experience in executing tasks in a timely manner.

        Demonstrated experience with team leadership, and program/project management.

        Demonstrated experience working with Air Force and DoD contractors in a development environment

        Experience writing and delivering technical documents and briefings

        Excellent verbal and written communications skills as well as organizational skill

        Demonstrated interpersonal skills to enable working, interfacing, and interrelating with diverse personnel and dynamic teams

        Current Secret clearance required


Desired Requirements:

·       Prior Space Force  Space System Center program experience

·       Prior experience with SpaceX , United Launch Alliance launch vehicles

·       Prior Experience with satellite propulsion programs



Target salary range: $150,001 - $175,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Covid Policy: SAIC does not require COVID-19 vaccinations or boosters. Customer site vaccination requirements must be followed when work is performed at a customer site.


SAIC® is a premier Fortune 500® technology integrator driving our nation's technology transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, digital, artificial intelligence and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective and efficient solutions that are critical to achieving our customers' missions.

We are approximately 24,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer, fostering a culture of diversity, equity, and inclusion, which is core to our values and important to attract and retain exceptional talent. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.9 billion. For more information, visit For ongoing news, please visit our newsroom.

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