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Senior Guidance Navigation and Control Engineer

Orlando, Florida
Full Time On-site

Summary

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

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
  • Active Secret security clearance
  • 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
  • Ability to work occasional overtime and travel as required to meet critical schedule milestones
  • 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

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

About L3 Harris

L3 Harris

L3 Harris is one of the largest defense and aerospace companies in the United States, delivering advanced technologies that support missions across air, land, sea, space, and cyber domains. The company develops communications systems, space payloads, intelligence platforms, electronic warfare capabilities, missile defense technologies, and mission-critical sensors used by the U.S. military, intelligence community, and allied nations around the world.

For job seekers, L3Harris offers opportunities across engineering, software development, cybersecurity, space systems, manufacturing, intelligence, program management, and mission operations. The company is especially attractive to veterans, cleared professionals, and engineers who want to work on advanced technologies that directly support national security. With programs spanning tactical communications, ISR platforms, satellite systems, and defense electronics, employees have the opportunity to contribute to some of the military’s most important capabilities.

Unlike companies focused on a single mission area, L3Harris operates across a diverse portfolio of defense technologies, providing employees exposure to a broad range of programs and technical disciplines. Teams work on everything from secure communications and autonomous systems to space-based sensors and electronic warfare platforms, creating opportunities for both specialization and long-term career growth within the organization.

As governments continue investing in modernization, space capabilities, resilient communications, and advanced sensing technologies, L3Harris remains one of the most important employers in the defense industry. For professionals seeking a mission-driven career with strong growth opportunities, technical challenges, and direct impact on global security, L3Harris continues to stand out as a leading destination in aerospace and defense.

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