Senior Robotics Engineer - State Estimation, VIO & Sensor Fusion

About Promethion Industries
Promethion Industries is a European defence technology company building autonomous supremacy systems for aerial and multi-domain operations. Our mission is to enable decisive autonomy for NATO-aligned forces through tightly integrated autonomy stacks designed and built in Europe. Our focus is defensive and counter-system capabilities, including anti-UAS and resilient autonomy under contested conditions.
We are looking for a Senior Robotics Engineer - State Estimation, VIO & Sensor Fusion to build the estimation backbone that allows our aircraft to understand their own motion without depending on GNSS.
Your mission with us

- Build the state-estimation and sensor-fusion backbone of our autonomous aerial systems.

- Develop robust vehicle-state estimation for high-dynamic flight and GNSS-degraded or GNSS-denied environments.

- Fuse IMUs, cameras, optical flow, airspeed, GNSS, barometers and other sensors into reliable low-latency estimates.

- Develop, integrate and deploy VIO, visual odometry, ego-motion optical flow and inertial-estimation approaches.

- Own temporal calibration, sensor synchronisation, coordinate frames and estimator consistency.

- Diagnose drift, bias, observability and timing problems from first principles.

- Work directly with real flight logs and hardware to reproduce estimator failures and rapidly improve performance.

- Build graceful degradation when individual sensors become unreliable or unavailable.

- Quantify estimator uncertainty and expose meaningful confidence and health information to downstream autonomy and control systems.

- Evaluate alternative estimation architectures including direct velocity estimation and continuous-time approaches where they provide advantages at high dynamics.

Your contribution to the team (required)

- Strong practical experience in robotics state estimation, localization or inertial estimation.

- Deep understanding of IMU-based estimation and multi-sensor fusion.

- Strong experience with EKF, error-state filtering or comparable nonlinear-estimation techniques.

- Practical experience with VIO, visual odometry, optical flow or closely related systems.

- Strong understanding of rigid-body transformations and coordinate frames.

- Strong C++ skills.

- Experience deploying estimators onto real robots or vehicles.

- Strong understanding of sensor calibration and time synchronization.

- Experience analyzing raw sensor data, logs and estimator performance.

- Ability to work with high-rate, noisy and imperfect real-world measurements.

Big plus

- High-speed UAV or fixed-wing experience.

- GNSS-denied flight.

- PX4 estimator experience.

- ROS2.

- GTSAM / Ceres / Eigen.

- Event-camera VIO or optical flow.

- Continuous-time estimation.

- Radar-aided or RF-aided estimation.

- Air-data integration.

- Aviation, defence, autonomous vehicles or space systems.

Even if you don’t tick every box, we encourage you to apply - we’d love to hear from you.

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