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Guidance, Navigation, and Control (GN&C) Engineer – Journeyman

Associates Systems


Job Location:

Titusville, FL - USA

Monthly Salary: Not provided by the employer
Posted: 29 September 2026 (4 days ago)
Application Deadline: 27 December 2026
Vacancies: 1 Vacancy

Job Summary

Guidance Navigation and Control (GN&C) Engineer Journeyman
Onsite Kennedy Space Center / Florida- No hybrid or remote is available.
NASA or AEROSPACE Exp
US Citizens or Perm Residents Only
These are immediate interviews for the right candidates.


Guidance Navigation and Control (GN&C) Engineer Journeyman
We are looking for a Guidance Navigation and Control (GN&C) Engineer to join our team supporting advanced spaceflight programs at NASA Kennedy Space Center.
The GN&C Engineer supports the development analysis verification and integration of guidance navigation and control systems for spacecraft and other flight systems. This role provides technical support across GN&C mission design trajectory analysis and navigation allowing the engineer to contribute across multiple areas based on program needs.
This position will be filled at the Journeyman level depending on qualifications with salary commensurate with experience.
Key Responsibilities
  • Support GN&C mission design trajectory analysis and navigation activities as needed to address program priorities and fill engineering gaps.
  • Review GN&C architectures requirements designs integration approaches test plans and test data to evaluate technical adequacy identify risks and develop recommendations.
  • Develop and execute trajectory attitude and 6-DOF spacecraft simulations and perform analysis supporting GN&C performance and mission objectives.
  • Support mission design and trajectory analysis including trajectory development maneuver planning orbit and attitude analysis and rendezvous proximity operations and docking (RPOD).
  • Analyze spacecraft navigation architectures and sensor suites including sensor performance accuracy availability observability and suitability for GPS-denied and deep-space missions.
  • Support navigation analysis involving state estimation sensor fusion and interactions between navigation sensors flight software guidance algorithms and vehicle dynamics.
  • Develop review and assess GN&C requirements verification approaches and verification evidence in support of system verification and validation.
  • Support development integration verification testing and operation of spacecraft GN&C systems and associated sensors.
  • Evaluate GN&C analyses simulations technical documentation and test results to identify technical risks uncertainties and potential deficiencies and support anomaly investigations and corrective actions.
  • Evaluate technical tradeoffs involving performance risk schedule cost and implementation complexity and communicate recommendations to engineering and program leadership.
  • Analyze GN&C interfaces with avionics flight software propulsion mission design structures and other spacecraft systems.
  • Participate in technical reviews testing and engineering exchanges and communicate technical findings and recommendations to technical and programmatic stakeholders.
Required Qualifications
  • B.S. degree in Engineering or related discipline and 5 years of related experience or M.S. degree in Engineering or related discipline and 3 years of related experience.
  • Demonstrated experience in one or more areas of spacecraft GN&C mission design and trajectory analysis navigation or related flight dynamics with the ability and interest to contribute across adjacent technical areas.
  • Experience developing or analyzing GN&C algorithms and spacecraft simulations including 6-DOF modeling.
  • Experience with engineering analysis and simulation tools such as MATLAB Python C or equivalent.
  • Experience developing or evaluating spacecraft requirements verification approaches and success criteria.
  • Experience with spacecraft GN&C systems navigation sensors integration verification testing or operations.
  • Must be a U.S. Citizen and successfully complete a U.S. Government background investigation.
  • Strong communication organization and teamwork skills with the ability to coordinate across multiple technical disciplines.
Preferred Qualifications
  • M.S. degree in a related discipline.
  • Experience with deep-space missions or GPS-denied navigation.
  • Experience with spacecraft navigation sensors state estimation sensor fusion or autonomous navigation.
  • Experience with mission design trajectory development rendezvous/proximity operations or maneuver analysis.
  • Experience with spacecraft flexible-body dynamics propellant slosh or other spacecraft dynamics effects in low-gravity environments.
  • Strong proficiency in C and experience developing or using mission-specific GN&C simulation or analysis software.
  • Experience with trajectory and mission-analysis tools.
  • Experience working with commercial spaceflight or launch service providers.
  • Experience with deep-space or other safety-critical spaceflight systems.


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Required Experience:

IC


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