GN&C Senior Guidance Engineer

Huntsville, Alabama
02 Nov 2016
20 Jan 2017
Contract Type
Full Time
The Engineering & Science Services and Skills Augmentation (ESSSA) contract provides engineering, scientist and engineering technician support to NASA Marshall Space Flight Center (MSFC) in Huntsville, AL. The Jacobs ESSSA Group is comprised of Jacobs and eight teammates: Aerodyne, All Points Logistics, Bevilacqua, ERC, Geocent, 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 Group works across the contract without boundaries, governed by the Integrated Team Management Approach (ITMA).

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 SLS in the area of launch vehicle guidance. Working independently and in integrated, collaborative teams, your responsibilities would include:

  • Develop, implement, and validate launch vehicle and spacecraft guidance algorithms.
  • Perform 3-DOF and 6-DOF trajectory and performance analyses and trade studies in support of launch vehicles and spacecraft.
  • Develop equations, algorithms, and software tools suitable for GN&C system analysis and design.
  • Develop, implement, and test flight software and mission support software following formal processes and coding standards.

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 with at least 10 years of experience, a Masters with at least 12 years of experience, or BS with at least 15 years of experience.

Skills and experience should demonstrate:

  • Experience designing and implementing vehicle guidance systems. Experience with Powered Explicit Guidance (PEG) and other optimal guidance algorithms is highly desired.
  • Detailed knowledge of orbital mechanics and flight mechanics.
  • Proficiency in MATLAB, Simulink, C and C++.
  • Experience developing flight-critical software using formal processes and coding standards.
  • Familiarity with 6-DOF simulation, navigation, and control functions for aerospace vehicles.
  • 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 .