Rarefied Gas Dynamics Modeling SME

Are you passionate about human space exploration, understanding the origins of the universe, and working with a passionate and diverse team to make a difference? If you are, we need you! We need your talent, teamwork, and energy to help us achieve great things that inspire people all over the globe. We need you to bring creative ideas and diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while benefiting people here on Earth.

We are excited about what we do, and we need you on our team as we take on exciting challenges for NASA’s pursuits in deep space exploration. As NASA’s largest engineering solutions provider working together with NASA at centers across the United States.

We have an exciting opportunity for a part‑time Rarefied Gas Dynamics Modeling SME to join the team!

• Enhance and utilize NASA's Direct Simulation Monte Carlo (DSMC) Analysis Code (DAC)
• Utilize experience with CFD Solutions to inform RGD simulations
• Use expertise to guide junior engineers in rarefied flow field physics
• Guide junior engineers in the use of DAC and similar simulation tools
• Perform deep dive analyses as needed
• Perform other duties as required

• Educational requirement equivalent to a BS with at least 15 years of experience
• Experience using CFD solutions to inform RGD simulations
• Expertise with upper atmosphere aerodynamic and aerothermodynamic modeling approaches and sensitivities
• Expertise with rarefied flow field physics
• Excellent communication skills and the ability to work in a team environment consisting of NASA civil servants and various contractor employees

• MS or Ph.D. in Mechanical or Aerospace engineering
• Expertise with high fidelity modeling approaches and codes for rarefied flow fields, like DSMC Analysis Code (DAC)
• Expertise with vacuum plume testing and modeling validation
• Expertise for visiting vehicle docking and berthing plume flow fields and modeling
• Expertise with engineering approaches and tools to model rarefied flow fields
• Experience mentoring junior engineers

• Excellent personal and professional career growth
• 9/80 work schedule (every other Friday off), when applicable
• Onsite cafeteria (breakfast & lunch)
• Much, much more!

• Proof of U.S. Citizenship or U.S. Permanent Residency may be a requirement for this position
• Must be able to complete a U.S. government background investigation
• Management has the prerogative to select at any level for which the position is advertised

Work may involve sitting or standing for extended periods (90% of time). May require lifting and carrying up to 25 lbs. (5% of time). Standard office environment with the possibility of inside or outside work depending on tasks.

Standard office equipment (PC, telephone, printer, etc.).

Regular attendance in accordance with the established work schedule is critical. Ability to work outside normal schedule and adjust schedule to meet peak periods and surge requirements.

Professional behavior that enhances productivity and promotes teamwork and cooperation. Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others.