Mechanical Engineer – Thermal Simulation & Analysis

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.

JOB SUMMARY

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.

ESSENTIAL DUTIES AND RESPONSIBILITIES or KEY ACCOUNTABILITIES

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

SKILLS AND 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

EDUCATION and/or EXPERIENCE

Bachelor’s or Master’s degree (or equivalent) in Mechanical Engineering or related field

At least 2–5 years of experience in thermal analysis, simulation, or mechanical design

PHYSICAL REQUIREMENTS

Prolonged periods of sitting at a desk and working on a computer

Must be able to lift 15 pounds at times

Vision to read printed materials and a computer screen

Hearing and speech to communicate

*This is a direct hire. Please, no outside Agency solicitations.

Apptronik provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.