Gateway ATCS Thermal Analysis Engineer

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 Gateway ATCS Thermal Analysis Engineer to join the team with Nexus, a teammate company. We are actively searching for qualified candidates for this potential opening; however, we do not have assurance at this time when the position will be finalized and opened. Because we have strong reason to believe the position will be approved soon, we are proceeding with identifying qualified candidates and conducting interviews.

• Develop and maintain high‑fidelity thermal models using tools such as Thermal Desktop and SINDA/FLUINT.
• Perform steady‑state and transient thermal analyses for spacecraft components and integrated systems.
• Evaluate thermal performance under various mission phases, including launch, transit, lunar orbit, and quiescent modes.
• Support thermal verification activities, including test planning, data analysis, and model correlation.
• Collaborate with design teams to optimize thermal control strategies (e.g., pumps and valves, coolant loops, cold plates, heat exchangers, sublimators, and radiators) and provide guidance on thermal considerations.
• Participate in design reviews, technical interchange meetings, and anomaly investigations.
• Document analysis results and present findings to internal stakeholders and NASA customers.

• Typically requires a bachelor’s degree in Engineering and a minimum of 2–5 years of experience in the field or in a related area.
• Experience in the design, analysis, testing, certification, and operation of space ATCS systems and components, which may include but are not limited to pumps and valves, coolant loops, cold plates, heat exchangers, sublimators, radiators, and heat exchangers during pre‑launch, flight, and post‑landing phases.
• Proven experience in thermal analysis and design for aerospace systems. Experience with Thermal Desktop or similar thermal analysis tools is highly desirable.
• Excellent oral and written communication skills and the ability to coordinate support from a wide range of technical disciplines.

• BS degree in engineering from an accredited engineering school and a minimum of two (2) years of direct engineering experience.
• Familiar with JSC organizations, processes, and procedures.
• The ability to coordinate support from a wide range of technical disciplines.
• Familiarity with the Engineering Life Cycle process.

• Excellent personal and professional career growth.
• 9/8/0 work schedule (every other Friday off), when applicable.
• Onsite cafeteria (breakfast & lunch).
• Much, much more!

For more information on our partnership with NASA at Johnson Space Center (JSC), please visit

• 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.

Generally, an office environment, but can involve inside or outside work depending on task.

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

Regular attendance in accordance with 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.

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