Lead Simulation Engineer; Digital Twin

Job Summary

The Simulation & Digital Twin Engineer will design, develop, and integrate simulation and visualization capabilities that support Caterpillar’s next‑generation digital twin, machine behavior modeling, and interactive 3D experiences. This role combines simulation engineering, real‑time visualization, and 3D scene‑building using NVIDIA Omniverse and modern C++/Python tool chains.

• Develop simulation logic and behavioral models governing machine and system behavior, including real‑time simulation algorithms, kinematics, dynamics, and control‑system interactions.
• Validate and verify models to ensure digital twins are accurate and numerically stable.
• Create high‑fidelity 3D models, scenes, and environments in NVIDIA Omniverse, and develop interfaces that connect simulations to real‑time visualization, dashboards, and operator‑focused experiences.
• Contribute to toolchain and pipeline design, scripting utilities, automated test frameworks, and modular code libraries.
• Evaluate and implement new simulation libraries and rendering technologies, and work hands‑on with digital‑twin platforms such as NVIDIA Omniverse, CARLA, Siemens NX/Teamcenter/Plant Simulation, Dassault 3
  
  DEXPERIENCE, Ansys Twin Builder, Unity, or similar.

• Software/Simulation Product Design/Architecture:
  Knowledge of simulation and robotics product design and ability to translate market requirements into product designs.
• Simulation Software Product Technical Knowledge:
  Ability to design, configure and integrate technical aspects of simulation products.
• Product Testing:
  Ability to design, plan, and execute model validation and testing strategies, including automated test pipelines and documentation.

• 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.
• Strong expertise in system‑level simulation and digital twin technologies, multi‑physics modeling, data‑driven simulations, discrete‑events simulation, and machine learning‑based simulation.
• Expertise in data annotation and labeling technologies.
• Experience with NVIDIA Omniverse, USD workflows, Omniverse Kit/Code, PhysX, or Omniverse‑based pipelines.
• Knowledge of other digital‑twin and real‑time simulation tools such as Unity, Unreal Engine, Siemens NX, Teamcenter, Plant Simulation, Dassault 3
  
  DEXPERIENCE, Ansys Twin Builder, Rockwell Emulate3D, or similar.
• Familiarity with physics engines (PhysX, Omniverse Physics, Bullet, ODE, etc.) and experience integrating them into simulation environments.
• Strong programming skills in C++ and Python for simulation logic, behavior modeling, and tooling.
• Experience validating simulation models and digital twins with test data correlation, scenario‑based testing, regression testing, and telematics/real‑world data.
• Cross‑functional collaboration skills with engineering, autonomy, controls, software, and product teams.
• 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 not available for 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
• These benefits also apply to part‑time employees

This position requires working onsite five days a week.

Any offer of employment is conditioned upon the successful completion of a drug screen.

Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply.