Senior Guidance Navigation and Control Engineer
L3HARRIS Technologies
Orlando, FL · Posted October 5, 2026
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About the job
Job Title: Senior Specialist, Systems / Guidance Navigation and Control Engineer
Job Code: 45556
Job Location : Orlando, Florida
Job Schedule: 9/80 work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off
Job Description:
L3Harris Technologies is seeking a Senior Guidance Navigation and Control (GNC) Engineer at our Orlando, FL location. The GNC Engineer will use general knowledge of vehicle dynamics, aerodynamics, propulsion, classical/modern flight controls, tactical/strategic missile guidance, and estimation theory to conduct moderate to difficult aerospace engineering tasks and apply defined engineering principles, industry standards, and company processes to support Tactical and Strategic Missile program objectives and requirements.
Essential Functions:
Perform Guidance, Navigation, and Control (GNC) design and analyses for tactical and strategic missile systems
Conduct trajectory shaping and tuning of tactical and strategic missile guidance and autopilot parameters to meet stringent customer requirements
Generate, modify, and utilize models and simulations of aerospace vehicles using first principles
Implement algorithms and modify simulations in C/C++ coding environment following strict Software Configuration Management (SCM) processes
Generate, modify, and utilize high-fidelity models and simulations of components and subsystems utilizing MATLAB/Simulink for tuning and requirements verification
Analyze real-time and post-test telemetry data in support of System level verification and mission activities
Ability to obtain a US Security Clearance
Qualifications:
Bachelor’s Degree and minimum 6 years of prior relevant Guidance Navigation and Control Engineering experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
Preferred Additional Skills:
M.S. in Aerospace or Electrical Engineering, or similar degree
Analysis and design experience in control systems for aerospace vehicles
Prior experience with 6DOF simulations of aerospace vehicles using first principles
Missile or Launch Vehicle navigation and guidance experience/coursework
Experience with programming in C, C++ and using MATLAB/Simulink
Ability to work under Windows and Linux environments
Working with Systems Engineering disciplines and related activities (e.g., requirements traceability & verification)
Managing complex projects
Exceptional written and oral communication skills to include report writing, requirements and documentation, as well as design review presentations
Experience in design and analysis of multi-loop linear and non-linear flight control systems
Capability to linearize complex non-linear systems
Experience in aerodynamic design and analysis of aerospace vehicles, including the application of Computational Fluid Dynamics
Prior GNC experience in ballistic missiles
Experience with programming in Fortran
Experience with programming in Python
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