Real-Time Rendering Engineer for Digital Twins & Autonomy

Caterpillar Brazil; Irving (TX); On-site; USD 113,000 - 183,000; Full time

Benefits offered by this job

Medical, dental, and vision benefits

401(k) savings plan

Health Savings Account (HSA)

Flexible Spending Accounts (FSAs)

Job summary

Caterpillar Inc. in Irving, TX is hiring a Rendering Engineer to design and implement high-fidelity, real-time rendering and sensor-simulation capabilities for digital twins, autonomous machines, robotics, and virtual jobsite environments.

The role requires strong C++ and Python, hands-on experience with Unreal Engine 5 or similar platforms, and knowledge of GPU programming, ray tracing, and sensor outputs. Work onsite five days a week in Irving, TX.

Qualifications

• Experience in rendering, simulation, visualization, or graphics-intensive systems.
• Advanced C++ and Python.
• Experience with Unreal Engine 5, NVIDIA Omniverse RTX, Unity, or similar real-time rendering.

Responsibilities

• Design and develop real-time rendering pipelines for digital twin, machine, environment, and jobsite simulation applications.
• Implement physically based rendering, ray tracing, materials, lighting, weather, atmospheric effects, and scene optimization using Unreal Engine and NVIDIA Omniverse RTX.
• Develop and integrate camera, LiDAR, radar, depth, segmentation, and other sensor rendering capabilities for autonomy and perception workflows.
• Build shaders and GPU-accelerated features using HLSL, GLSL, CUDA, Vulkan, DirectX, OpenGL, or comparable graphics technologies.
• Create reusable rendering services, plugins, extensions, APIs, tools, and asset processing workflows using C++ and Python.
• Optimize CPU and GPU performance, memory usage, frame time, throughput, latency, and visual fidelity for interactive and headless workloads.
• Support USD-based scene composition, asset validation, material conversion, level-of-detail strategies, and rendering interoperability.
• Partner with perception engineers to define sensor outputs, calibration parameters, ground-truth data, synthetic data annotations, and fidelity requirements.
• Document rendering architecture, sensor models, interfaces, performance characteristics, assumptions, and validation methods.

Skills

C++ programming

Python

Unreal Engine 5

NVIDIA Omniverse RTX

GPU programming

Shader development

OpenGL/Vulkan/DirectX

Sensor simulation

Cloud rendering

Education

Bachelor’s degree in Computer Science/Engineering

Master’s degree preferred

Tools

Linux

Docker

CI/CD

USD

Job description

Caterpillar Inc. in Irving, TX is hiring a Rendering Engineer to design and implement high-fidelity, real-time rendering and sensor-simulation capabilities for digital twins, autonomous machines, robotics, and virtual jobsite environments.

The role requires strong C++ and Python, hands-on experience with Unreal Engine 5 or similar platforms, and knowledge of GPU programming, ray tracing, and sensor outputs. Work onsite five days a week in Irving, TX.