Senior Robotics Engineer - Simulation

About the Company

Rekise Marine is building autonomous ships and submarines that operate in the world's most hostile environments. We're executing India's flagship autonomous submarine project — the Jalkapi XLAUV — on order from the Indian Navy.

Responsibilities

• Develop high-fidelity marine environment simulations using NVIDIA Isaac, Unreal Engine, Unity, or custom engines
• Model vehicle hydrodynamics, buoyancy dynamics, thruster interactions, and 6-DOF vehicle behavior
• Create realistic sensor models for DVL, sonar, cameras, LiDAR, IMU, and acoustic modems
• Build comprehensive digital twins for AUVs/ASVs to enable parallel testing of autonomy and perception algorithms
• Optimize simulation for high-fidelity testing and build scalable infrastructure for parallel simulation runs
• Integrate simulation environments with ROS2-based autonomy stacks for SIL and HIL testing

Requirements

• B.Tech/M.S./Ph.D. in Robotics, Computer Science, Mechanical Engineering, or related field
• 5+ years of experience in simulation, physics-based modeling, or digital twin development
• Proficiency in NVIDIA Isaac, Unreal Engine, Unity, or custom engines
• Strong coding skills in C++ with production-quality software practices
• Experience with physics-based simulation including rigid body dynamics and fluid dynamics
• Experience with ROS integration into simulation environments
• Understanding of SIL and HIL testing methodologies
• Strong mathematical foundations in physics, linear algebra, and numerical methods

Preferred Qualifications

• Experience with marine/underwater simulation or hydrodynamic modeling
• Background in control systems or formal verification for robotic systems
• Experience with GPU-accelerated simulation or parallel computing frameworks
• Familiarity with sonar simulation or acoustic modeling
• Experience with NVIDIA Omniverse or Isaac Sim
• Knowledge of real-time rendering or shader programming