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Principal Systems Engineer – Guidance, Navigation & Control (GNC)

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Before you apply
LocationMcKinney, TX
Typefull-time
SeniorityLead
Experience10+ yrs
DepartmentSPECIAL PROJECTS
Company size501–1,000 people
First seenOct 16, 2026 · 3w ago
Verified live13h ago
At a glanceSummarised by Seekless from the posting.
Active DoD SECRET clearance with Top Secret eligibility
10+ years of experience in GNC algorithm development, software engineering, systems engineering, or related aerospace/defense applications
Proficiency in MATLAB, Simulink, and control system toolboxes
Experience with simulation-based testing, hardware/software integration, and test data analysis
Strong understanding of flight dynamics, control theory, and embedded system implementation
Experience developing, integrating, and testing embedded GNC software in C/C++
Experience implementing flight control, navigation, estimation, or guidance algorithms in real-time software environments
Familiarity with requirements traceability, code reviews, unit testing, integration testing, and software verification
Experience with Git, SVN, or similar configuration management repositories
Experience with Model-Based Design (MBD) and automatic code generation
Experience with seekers and sensor systems and their integration with GNC systems
Familiarity with RTOS-based embedded processor architectures and hardware/software integration activities
Bachelor's degree in Aerospace, Mechanical, Electrical, or Systems Engineering
Knowledge of WOSA or Open System Architectures
Experience with PX4, ArduPilot, ROS, DDS, or autonomy frameworks
Familiarity with Kalman Filters, EKF, UKF, or related estimation techniques
Knowledge of DO-178C or military software development processes
Prior technical leadership and mentorship experience
Master's degree in Aerospace, Mechanical, Electrical, or Systems Engineering
U.S. Citizenship
Skills
MATLAB
Simulink
C/C++
Git
SVN
PX4
ArduPilot
ROS
DDS
Kalman Filters
EKF
UKF
About the role
The Principal Systems Engineer – GNC will serve as a key technical contributor supporting the development, integration, and verification of Guidance, Navigation, and Control solutions for advanced aerospace and defense systems. This role supports requirements analysis, algorithm development and assessment, software integration, modeling and simulation, and system verification activities across the product lifecycle.
Required Qualifications
• Bachelor’s degree in Aerospace, Mechanical, Electrical, or Systems Engineering (Master’s preferred).
• U.S. Citizenship with active DoD SECRET clearance (Top Secret eligibility required).
• 10+ years of experience in GNC algorithm development, software engineering, systems engineering, or related aerospace/defense applications.
• Proficiency in MATLAB, Simulink, and control system toolboxes.
• Experience with simulation-based testing, hardware/software integration, and test data analysis.
• Strong understanding of flight dynamics, control theory, and embedded system implementation.
• Experience developing, integrating, and testing embedded GNC software in C/C++.
• Experience implementing flight control, navigation, estimation, or guidance algorithms in real-time software environments.
• Familiarity with requirements traceability, code reviews, unit testing, integration testing, and software verification.
• Experience with Git, SVN, or similar configuration management repositories.
• Experience with Model-Based Design (MBD) and automatic code generation.
• Experience with seekers and sensor systems and their integration with GNC systems.
• Familiarity with RTOS-based embedded processor architectures and hardware/software integration activities.
Preferred Qualifications
• Knowledge of WOSA or Open System Architectures.
• Experience with PX4, ArduPilot, ROS, DDS, or autonomy frameworks.
• Familiarity with Kalman Filters, EKF, UKF, or related estimation techniques.
• Knowledge of DO-178C or military software development processes.
• Prior technical leadership and mentorship experience.
About the company
Our core competencies include systems engineering, program management, logistics, production support, aircraft maintenance, and aviation/aerospace services. We were founded in 2015 and since our establishment, we have been attracting the best talent in our fields of interest enabling us to provide cutting-edge solutions and support to our warfighters. We understand and provide expert consultation on weapons systems acquisition programs, maintenance/modernization programs, and sustainment programs. We know defense and we know aircraft systems.