Senior State Estimation Engineer

Ribbit

Lead state estimation for autonomous aircraft at Ribbit in hybrid Burlington, Ontario, using modern 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 reviewsDevelop estimators using Kalman filters and factor-graph methodsFuse IMUs, GNSS, cameras, LiDAR, and aircraft sensorsBuild fault detection, integrity monitoring, and quality metricsMentor junior engineers and represent estimation in reviewsRequirements:
University degree in engineering, computer science, robotics, or related fieldState estimation or navigation software experience on real hardwareModern C++ on Linux with Eigen and estimation librariesInertial navigation, GNSS/INS integration, and sensor calibration experiencePython or MATLAB experience for analysis and filter tuningApply state estimation, sensor fusion, and C++ expertise to autonomous aircraft systems at Ribbit.
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