Lead Simulation Engineer (Digital Twin)

• Simulation/Digital Twin Development: Develop and deploy the simulation logic and behavioral models governing machine and system behavior. Implement real-time simulation algorithms including kinematics dynamics and control-system interactions. This includes integration of physics engines (e.g. PhysX Omniverse Physics or equivalent) to support realistic behavior and machine-environment interactions.
• Simulation Quality: Develop and execute model validation and verification plans ensuring digital twins are accurate and numerically stable.

• Real-Time 3D Visualization Engineering: Create high-fidelity 3D models scenes and environments such as NVIDIA Omniverse. Develop interfaces that connect simulations to real-time visualization dashboards and operator-focused experiences. Implement automated test pipelines and document model correlations limitations and validation scoring.
• Integration & Platform Engineering: Contribute to toolchain and pipeline design including scripting utilities automated test frameworks and modular code libraries. Collaborate across data engineering/architecture autonomy product groups and engineering to ensure interoperability and alignment with business needs.

• Digital Twin Tooling & Ecosystem Support: Evaluate and implement new simulation libraries and real-time rendering technologies that enhance simulation fidelity and performance. Work hands-on with multiple digital-twin platforms such as: NVIDIA Omniverse (primary environment) CARLA Siemens NX/Teamcenter/Plant Simulation Dassault 3DEXPERIENCE Ansys Twin Builder Unity or similar

• Software/Simulation Product Design/Architecture: Knowledge of simulation and robotics product design; ability to convert market requirements into the product design.
• Simulation Software Product Technical Knowledge: Knowledge of technical aspects of simulation products; ability to design configure and integrate technical aspects of these products.
• Product Testing: Ability to design plan and execute model validation and testing strategies and tactics to ensure product quality and adherence to stated requirements. Implement automated test pipelines and document model correlations limitations and validation scoring.

• Bachelor's degree in Computer Science Software Engineering Mechanical Engineering Robotics or a related field or equivalent experience.
• 5+ years of experience developing digital twins or simulation-based systems in industries such as technology aerospace defense heavy machinery or automotive with exposure to high-fidelity modeling physics-based simulation and real-time visualization.
• Strong expertise in system-level simulation and digital twin technologies. This includes but is not limited to multi-physics modeling data driven/statistic simulations discrete-events simulation and machine learning based simulation.
• Expertise in data annotation and labelling technologies with ability to institute and maintain the program.
• Experience with NVIDIA Omniverse including USD workflows Omniverse Kit/Code PhysX or Omniverse-based pipeline development.
• Knowledge of other digital-twin and real-time simulation tools such as Unity Unreal Engine Siemens NX/Teamcenter/Plant Simulation Dassault 3DEXPERIENCE Ansys Twin Builder Rockwell Emulate3D or similar industrial platforms.
• Familiarity with physics engines (PhysX Omniverse Physics Bullet ODE or equivalent) and experience integrating them into simulation environments.
• Strong hands-on programming skills in C++ and Python for simulation logic behavior modeling and tooling.
• Experience validating simulation models and digital twins using test data correlation scenario-based testing regression testing and telematics/real-world data.
• Ability to work cross-functionally with engineering autonomy controls software and product teams communicating complex technical concepts clearly.
• Experience modeling mechanical systems hydraulics heavy equipment or robotics.
• Knowledge of 3D scene construction rendering concepts and UI development for real-time visualization.
• Experience with cloud-based simulation workflows large-scale data integration or distributed simulation pipelines.

• This position requires the candidate to work full-time at the Irving TX office (Dallas)
• Domestic relocation assistance is available for this position.
• Visa sponsorship is available with this position.

• Medical dental and vision benefits*
• Paid time off plan (Vacation Holidays Volunteer etc.)*
• 401(k) savings plans*
• Health Savings Account (HSA)*
• Flexible Spending Accounts (FSAs)*
• Health Lifestyle Programs*
• Employee Assistance Program*
• Voluntary Benefits and Employee Discounts*
• Career Development*
• Incentive bonus*
• Disability benefits
• Life Insurance
• Parental leave
• Adoption benefits
• Tuition Reimbursement

What We Do

Cat Digital is the digital and technology arm of Caterpillar Inc. responsible for bringing digital capabilities to our world-famous yellow iron. With over 1.5M connected assets worldwide our teams use data technology advanced analytics and AI capabilities to help our customers build a better world.

Why Work With Us

The Cat Digital team is at the forefront of Caterpillar’s evolution. We take pride in solving complex problems by building new systems from the ground up. On our team you’ll leverage data from across our entire enterprise to find solutions that open a new world of possibilities for our customers and dealers. Join us in building a better tomorrow.

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