Mechanical Engineer – Thermal Simulation & Analysis

Apptronik • Austin, TX

17h • Onsite

About The Position

Apptronik is a human-centered robotics company developing AI-powered robots to support humanity in every facet of life. Our flagship humanoid robot, Apollo, is built to collaborate thoughtfully with people, starting with critical industries such as manufacturing and logistics, with future applications in healthcare, the home, and beyond.

We operate at the cutting edge of embodied AI, applying our expertise across the full robotics stack to solve some of society's most important problems. You will join a team dedicated to bringing Apollo to market at scale, tackling the complex challenges like safety, commercialization, and mass production to change the world for the better.

Apptronik is seeking a Mechanical Engineer – Thermal Simulation & Analysis to supports the development and validation of thermal solutions for Apptronik’s humanoid robot, Apollo. This role focuses on executing simulations, assisting in testing, and contributing to the design of thermal systems for tightly integrated robotic hardware. The engineer will work under guidance while building expertise in thermal modeling and analysis.

Requirements

• Familiarity with CFD tools (e.g., Simcenter CFD, Ansys Icepak, Fluent, or similar)
• Understanding of basic heat transfer principles (conduction, convection, radiation)
• Strong analytical and problem-solving skills
• Ability to clearly document and communicate technical findings
• Willingness to learn and grow in a fast-paced engineering environment

Responsibilities

• Assist in developing CFD and thermal models for actuators, electronics, and battery systems
• Run simulations using established tools and workflows
• Analyze simulation and test data to identify trends and performance gaps
• Support thermal testing, including setup, instrumentation, and data collection
• Collaborate with design engineers to incorporate thermal considerations into designs
• Document modeling approaches, assumptions, and results
• Support model validation through correlation with experimental data

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level