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JSEG Trajectories Engineer (AER0001K4)

at Jacobs

Posted: 3/14/2019
Job Reference #: AER0001K4
Keywords: modeling

Job Description

Supporting NASA's Space Launch System (SLS), the JSEG Trajectories Engineer will support the development, analysis, and optimization of mission trajectories and will support development of trajectory products for flight and mission operations.  The Trajectories Engineer will use Monte Carlo, Design of Experiments, and other methods to assess vehicle and stage performance for ascent, Earth orbit, and cislunar space and will support trade and sensitivity studies affecting SLS configurations, trajectories, and mission designs.


The Jacobs Space Exploration Group (JSEG) offers a partnership in which you can grow personally and professionally within a framework of strong leadership, competitive compensation, and rewarding career paths. Come join our team on the Engineering Services and Science Capability Augmentation (ESSCA) contract whose work is destined to have a long-range effect on future generations!


To learn more about:
• NASA's Space Launch System, visit https://www.nasa.gov/exploration/systems/sls/index.html
• Marshall Space Flight Center, visit https://www.nasa.gov/centers/marshall/home/index.html
• Huntsville, AL, visit http://www.huntsville.org/

A degree in Aerospace, Mechanical Engineering, or a related field from an ABET-accredited university is required. An advanced degree or equivalent experience is highly preferred.  Strong communication, interpersonal skills, and independent problem solving are required.


Skills and experience should include:

  • Advanced knowledge of orbital mechanics and flight mechanics
  • Knowledge of Monte Carlo, design of experiments, and statistical analysis
  • Experience with modeling and simulation of aerospace vehicles
  • Strong proficiency in programming, especially with Python, C, or MATLAB


Special consideration will be given to candidates that have the following:

  • Experience with trajectory design and optimization tools such as POST, OTIS, STK, and GMAT
  • Flight program experience with sub-orbital and orbital launch vehicles
  • Knowledge of NASA projects, programs, and processes


Essential Functions

Work Environment

Office and laboratory 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 (<15%).

Physical Requirements

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 (40%). Requires ability to use stairs or elevators for access between floors and multiple buildings at NASA and Jacobs facilities (10%). 

Equipment and Machines

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


Normal workday is from 7:30 a.m. through 4:30 p.m., Monday thru 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.

Other Essential Functions

The ability to work independently with minimal supervision, 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.




Jacobs is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status or other characteristics protected by law. Jacobs is a background screening, drug-free workplace.