Lead state estimation for autonomous aircraft at Ribbit in hybrid Burlington, Ontario, using contemporary 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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📌 Senior State Estimation Engineer (Winnipeg)
🏢 Ribbit
📍 Winnipeg