GN&C Engineer – Multi-Body Dynamics

Huntsville, Alabama
20 Nov 2016
24 Feb 2017
Contract Type
Full Time
The Engineering & Science Services and Skills Augmentation (ESSSA) contract provides engineering, scientific and engineering technician support to NASA Marshall Space Flight Center (MSFC) in Huntsville, AL. The Jacobs ESSSA Group is comprised of nine companies of Aerodyne, All Points Logistics, Bevilacqua, ERC, Geocent, Jacobs, Lee and Associates, Qualis and Tuskegee. Each company, individually and in combination as the Jacobs Team, brings strong technical capabilities and value-added management strategies to the ESSSA contract.

The Jacobs ESSSA Guidance, Navigation, and Control (GN&C) team is a high performing group executing challenging tasks to design and integrate GN&C systems for projects ranging from CubeSats to NASA's Space Launch System (SLS).

We are searching for highly qualified candidates to support GN&C modeling and simulation for the SLS. Working independently and in an integrated, collaborative team, your responsibilities would include:

  • Analysis of vehicle and multi-body dynamics, equations of motion, and trajectories during liftoff, separation, and jettison events
  • Model ascent and in-space environments, errors, disturbances, algorithms, sensors, actuators, and mechanisms
  • Simulate and analyze nominal, contingency, and failure scenarios during ascent and in-space flight
  • Develop algorithms and tools for GN&C analysis and design

Jacobs ESSSA Group offers a partnership in which you can grow personally and professionally with the advantages of strong leadership, competitive compensation, and rewarding career paths. Come join the team whose work is destined to have a long-range effect on future generations!

A degree in Aerospace, Mechanical or Electrical Engineering or related field from an ABET accredited institution is required. Typical educational requirements are the equivalent of a PhD, a Masters with at least 2 years of experience, or BS with at least 6 years of experience.

Skills and experience should demonstrate:

  • Experience with multi-body, multi-degree of freedom analysis and simulation. Experience with TREETOPS, CLVTOPS, and contact / clearance analyses is desired.
  • Proficiency in MATLAB, Simulink, C, C++.
  • Proficient knowledge of flight mechanics and orbital mechanics.
  • Experience in GN&C algorithm development and simulation.
  • Ability to work with multi-discipline groups to develop solutions to complex integration problems.

The ability to apply knowledge and experience to timely completion of excellent products and services is required. Strong communication, interpersonal skills, and independent problem solving are required.

Essential Functions

Work Environment

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 (<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 (80%). 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, 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.

Jacobs is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. Jacobs does not discriminate in employment opportunities or practices on the basis of: race, color, religion, gender, national origin, age, sexual orientation, gender identity, disability, veteran status, or any other characteristic protected by country, regional, or local law. To view the DOL's Equal Employment Opportunity is the Law poster, please click here .