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Jacobs GN&C Engineer in Huntsville, Alabama

Critical Mission Solutions

Your mission is our mission.

We're invested in you and your success. Everything we do - whether Aerospace, Defense, Intelligence, Information Technology, Cybersecurity, Nuclear, Automotive, or Telecommunications - is more than just a project. It's our challenge as human beings, too. That's why we bring a thoughtful and collaborative approach to every one of our partnerships.

It's our promise to challenge the status quo as we redefine how to solve the world's greatest challenges, and transform big ideas into intelligent solutions for a more connected, sustainable world.

Design your career with a company that inspires and empowers you to deliver your best work so you can evolve, grow and succeed –today and into tomorrow.

Your Impact:

Jacobs leads the global professional services sector delivering solutions for a more connected, sustainable world. With $15.0 billion in combined revenue and a talent force more than 77,000 strong, Jacobs provides a full spectrum of services including scientific, technical, professional, construction- and program-management for business, industrial, commercial, government and infrastructure sectors. For more information, visit www.jacobs.com

Jacobs Space Exploration Group (JSEG) is comprised of 10 companies and is located at Marshall Space Flight Center in Huntsville, AL (ranked #11 in Best Places to Live by U.S. News). JSEG has been a primary contractor for NASA since 1989 and supports marquee NASA programs, including the Space Launch System, International Space Station, space optics fabrication, earth and space sciences and advanced propulsion system development. As a partner in NASA’s next generation of space exploration, our jobs are literally history in the making by challenging today, reinventing tomorrow.

Position Description:

The Jacobs Space Exploration Group (JSEG) 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 Mars sample return, to NASA’s Space Launch System (SLS).

NASA’s Mars Sample Return mission will collect rock and soil samples from the surface of Mars to be returned to Earth for scientific study. The Mars Ascent Vehicle (MAV) will play the critical role of carrying those samples from the Martian surface into orbit. We are searching for highly qualified candidates to support NASA’s MAV in the Control Systems Design and Analysis branch at NASA’s Marshall Space Flight Center as a Controls, Modeling, Simulation, and Analysis Engineer.

Responsibilities include but are not limited to:

  • Develop, model, simulate, and analyze launch vehicle and spacecraft dynamics, performance, and stability.

  • Create, edit, and debug software written in C/C++, Matlab, and/or Simulink.

  • Develop, modify, maintain, and improve software simulations, tools, and scripts.

  • Analyze systems in the time and frequency domain.

  • Support the design, integration, analysis, and documentation of GN&C products.

  • Configure, conduct, and analyze 6-DoF Monte Carlo simulations.

  • Prepare and present technical reports and/or briefings.

  • Create and review engineering and software documentation.

Here’s What You’ll Need:


Degree in Aerospace, Mechanical, Electrical Engineering or related field is required. Degree from an ABET accredited university preferred. Typically, educational requirements are the equivalent of a Ph.D. with at least 4 years' experience; Masters with at least 8 years' experience, or a BS with at least 10 years' experience.

Required skills/experience:

  • Proficiency modeling, simulating, and analyzing the performance of aerospace vehicles.

  • Programming in Matlab/Simulink and/or C/C++.

  • Analyzing system performance in the time and frequency domain.

  • Design and development of flight control systems both using thrust vector control and thrusters using phase plane control.

  • Experience performing Monte Carlo simulation and analysis.

  • Personnel are required to be detail oriented and self-motivated that can work independently and collaboratively.

  • Strong written and oral communication, interpersonal, and problem solving skills.

Desired skills/experience:

  • Hardware in the loop integration experience.

  • Model based design.

  • Familiarity with software development, verification, and validation.

  • Deriving state equations related to space craft and launch vehicle systems.

  • Modeling of TVC, RCS, slosh, pogo, rigid and flexible body dynamics, and/or sensors.

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!

For more information on why Huntsville is known as “ one of the smartest cities in the nation ”, check out these websites:

  • https://hsvchamber.org/

  • www.Huntsville.org/

  • https://www.movoto.com/guide/huntsville-al/moving-to-huntsville/

  • https://realestate.usnews.com/places/alabama/huntsville

  • https://iveyhsv.com/real-estate-blog/13-reasons-why-you-should-move-to-huntsville/

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/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low-income status or any other status or characteristic protected by applicable law. Learn more about your rights under Federal EEO laws (https://www.dol.gov/ofccp/regs/compliance/posters/pdf/eeopost.pdf) and supplemental language. (https://www.eeoc.gov/sites/default/files/migrated_files/employers/eeoc_gina_supplement.pdf)

At Jacobs, we’re challenging today to reinvent tomorrow by solving the world’s most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good. With $13 billion in revenue and a talent force of more than 55,000, Jacobs provides a full spectrum of professional services including consulting, technical, scientific and project delivery for the government and private sector.