SLS Orion Trajectory Analyst; ES3

The Mission Analysis and Trajectory Design Engineer helps support the development, integration, and testing of flight mechanics simulations for NASA’s SLS/ARTEMIS program, NASA’s HLS program, and other smaller NASA projects. This position will require a well‑rounded background of flight dynamics modelling skills, experience with computer programming, and the desire to perform high fidelity analyses to help optimize and integrate inputs for the flight dynamics of the Artemis mission.

• Analysis of launch vehicle and spacecraft dynamics, equations of motion, and trajectories to assess performance of spacecraft trajectories, mission analysis, and related studies
• Modeling ascent and in‑space environments, errors, disturbances, GNC algorithms, sensors, actuators, and mechanisms
• Simulate and analyze nominal, contingency, and failure scenarios during ascent and in‑space flight
• Develop algorithms and tools to analyze 3‑DOF trajectories using Monte‑Carlo techniques
• Perform studies and insight analysis for NASA’s HLS program
• Execute/modify existing software/scripts in C, Python, C++

A degree in Aerospace Engineering, Mechanical Engineering, Physics or related field from an ABET accredited institution is required. Typical experience requirements:
Master’s with at least 3 years experience
, or Bachelor’s with at least 5 years experience
. Must be a US Citizen and have a STAR .

To be successful in this position, the applicant must be detail oriented, work independently and collaboratively, possess strong communication and interpersonal skills, and will typically possess some of the following skills:

• Dynamically model 3‑ and 6‑DOF single‑body systems
• MATLAB, Fortran, C++ programming experience
• Familiarity with Linux, Bash, and the use of computational clusters/servers
• Support the design, integration, and analysis of GNC products
• Configure, conduct, and analyze 6‑DOF Monte Carlo simulations
• Familiarity with convex optimization

• Trajectory Design and/or mission analysis experience
• Python programming experience
• Copernicus experience
• Software & simulation integration or Modeling & simulation experience

• Dynamic modeling of 3‑ and 6‑DOF single‑body systems
• Mission design and analysis
• Trajectory design analysis
• Creating, editing and debugging software written in C, Python, MATLAB, Fortran, and C++
• Optimization and improvement of analysis tools and GNC models
• Working with GNC leads and other engineering disciplines
• Supporting the verification and validation of technical products
• Creation and review of engineering and software documentation
• Preparing and presenting technical reports and briefings

Office environment. Requires ability to provide clear, concise, accurate and timely communication, both verbally and in writing (100%). Requires ability to interact professionally with co‑workers, management, and client (100%). Requires travel in the domestic USA (5%). Requires ability to work at a computer for long periods of time (100%).

Requires sitting for extended periods of time in meetings with peers, management, and with our client at NASA facilities to discuss technical issues (10%). Also, requires sitting for extended periods of time at a desk to write reports and perform engineering tasks (80%). Requires ability to use stairs or elevators for access between floors and multiple buildings at NASA and our facilities (10%).

Requires ability to operate a personal computer, a telephone, fax machine, copier, calculator, and other general office equipment (100%).

Normal workday 7:30‑4:30, Monday‑Friday. Minimal overtime may be required (10%) to meet schedule milestones and to support technical demands of the job. Regular attendance is a necessity, and adequate arrangements for delegating duties during absences are required.

The ability to work independently with minimal supervision, and to make rational decisions, and to exercise good judgment is essential (100%). Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others.

Proof of U.S. Citizenship is required.

ES3

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