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Gateway GN&C Performance Engineer

Amentum

Company : Amentum

Location : Houston, TX, 77001

Posted Date : 28 October 2025

Job Details

Gateway GN&C Performance 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 GN&C Performance Engineer to join the team with Bastion Technologies, a teammate company. This candidate who fills this position will work on the JETS Gateway GN&C and Rendezvous, Proximity Operations, and Docking (RPOD) Team providing GN&C performance evaluations and requirements verification of Gateway Space Station. The selected applicant will:

  1. Verify GNC system requirements compliance through review of analysis and test reports, including assessment of navigation sensor performance, trajectory dispersions, and other GN&C parameters
  2. Verify fault tolerance safety requirements compliance through review of GN&C-related hazard reports and associated verification evidence. Communicate uncovered issues to a Safety Review Panel.
  3. Identify and recommend solutions to GN&C/Rendezvous & Proximity Operations performance issues
  4. Communicate status of compliance reviews to Gateway Program Management
  5. Conduct assessments on delivered Visiting Vehicle GN&C data
  6. Provide performance compliance feedback
  7. Provide Monte Carlo trajectory analyses feedback using independent 6DOF simulations
  8. Provide engineering inputs to operational products (flight rules and on-orbit demonstration plans)
  9. Maintain relationships with a diverse technical team, including personnel from engineering, safety, flight operations, crew office, and visiting vehicle providers
  10. Perform other duties as required

Requisition Qualifications: This position has been posted at multiple levels. Depending on the candidate's experience, requirements, and business needs, we reserve the right to consider candidates at any level for which this position has been advertised.

  • 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 with orbital mechanics and GN&C principles
  • Knowledge in the development of GN&C algorithms and analysis of spacecraft system performance
  • Experience with design, verification, testing, and operation of GN&C hardware and software
  • Experience with the development of space system requirements and documentation
  • Strong interpersonal skills to enable successful performance in a collaborative environment
  • Ability to organize and prioritize tasks to meet deadlines and schedules with limited supervision
  • Ability to prepare written documents for verbal presentation at engineering meetings
  • Excellent communication skills
  • Proficient in Microsoft Office collaboration tools: Teams, Webex, SharePoint
  • Requisition Preferences
  • MS in Aerospace Engineering with a focus on GN&C, flight controls, and orbital mechanics
  • Familiarity with spacecraft docking systems
  • Knowledge of NASA, JSC, and ISS standards and requirements, including safety and fault tolerance
  • Experience with NASA flight operations and procedures
  • Familiarity with NASA/JSC documentation databases and SharePoint sites
  • Experience with LINUX, Python, and C++
  • Experience with MATLAB and Simulink toolboxes
  • Experience with NASA Trick simulation architecture
  • Experience with JEOD (JSC Engineering Orbital Dynamics) modeling package
  • Experience with Git/GitLab

Why Join Our Team? In addition to exciting career opportunities, we also have:

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

Essential Functions Work Environment Generally, an office environment, but can involve inside or outside work depending on task. Physical Requirements Work may involve sitting or standing for extended periods (90% of time). May require lifting and carrying up to 25 lbs. (5% of time). Equipment and Machines Standard office equipment (PC, telephone, printer, etc.). Attendance 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. Other Essential Functions 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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