Lead state estimation for autonomous aircraft at Ribbit in hybrid Burlington, Ontario, using up-to-date C++ and probabilistic estimation techniques. As a Senior State Estimation Engineer, you will shape architecture, guide design reviews, and maintain production code quality. Your work spans GNSS/INS integration, vision-based navigation, sensor fusion, and integrity monitoring. You will support reliable aircraft state estimates during degraded or unavailable satellite navigation. Key Responsibilities:

Lead state estimation stack architecture, roadmap, and design reviews Develop estimators using Kalman filters and factor-graph methods Fuse IMUs, GNSS, cameras, LiDAR, and aircraft sensors Build fault detection, integrity monitoring,



and quality metrics Mentor junior engineers and represent estimation in reviews Requirements:

University degree in engineering, computer science, robotics, or related field State estimation or navigation software experience on real hardware Modern C++ on Linux with Eigen and estimation libraries Inertial navigation, GNSS/INS integration, and sensor calibration experience Python or MATLAB experience for analysis and filter tuning Apply state estimation, sensor fusion, and C++ expertise to autonomous aircraft systems at Ribbit.

📌 Senior State Estimation Engineer (Winnipeg)
🏢 Ribbit
📍 Winnipeg