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General Dynamics Mission Systems (GDMS) is seeking a highly skilled Navigation Fusion Engineer to contribute to the development and integration of navigation solutions for Unmanned Aerial Systems (UAS), Unmanned Ground Vehicles (UGV), and precision-guided munitions, particularly in GPS-denied environments.

Requirements

• Expert in Kalman Filter variants (EKF, UKF, IEKF, Particle Filters) and modern Bayesian estimation methods.
• Strong experience with GNSS-denied navigation techniques including: Visual-Inertial Odometry (VIO/SVO), LiDAR-Inertial Odometry (LIO), DVL integration (for maritime), Zero-velocity updates (ZUPT) for foot-mounted or stationary UGVs, Cooperative Localization / SWaP-C-constrained fusion for munitions.
• Proficiency with C++ and Python in real-time or embedded systems.
• Familiarity with ROS/ROS2, GTSAM, NavFusion engines like NavVis, u-blox, and VectorNav SDKs.
• Experience in hardware-in-the-loop (HIL) testing and integration with real-time operating systems (RTOS).
• Experience with Factor Graph optimization, graph-SLAM, and incremental smoothing (iSAM2).
• Experience with Deep learning-enhanced navigation (e.g., DeepVO, LSTM-IMU fusion).

Responsibilities

• Design and implement advanced sensor fusion algorithms using Extended Kalman Filters (EKF), Unscented Kalman Filters (UKF), and Nonlinear Observers.
• Develop and refine tightly coupled and loosely coupled navigation solutions integrating IMU, odometry, vision (VIO/SVO), LiDAR, magnetometers, and barometers.
• Evaluate and deploy factor graph-based SLAM and probabilistic inference frameworks (e.g., GTSAM, iSAM2) for persistent localization in GPS-denied environments.
• Contribute to algorithm development for multi-sensor fusion frameworks, including Deep Learning-Augmented Inertial Navigation, event-based sensors, and semantic fusion.
• Conduct performance evaluations under degraded or denied GNSS conditions, including urban canyons, subterranean, and electronic warfare environments.
• Work cross-functionally with autonomy, guidance, perception, and embedded software teams.
• Develop and support simulation frameworks (e.g., Gazebo, AirSim, ROS2) for testing navigation systems in virtual environments.

Other

• Agile experience preferred.
• Ability to obtain a Department of Defense Secret security clearance is required at time of hire.
• U.S. citizenship is required.
• 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience.
• 10+ years of experience in navigation algorithm development with proven track record on deployed systems.