Mechanical Engineer – Thermal Simulation & Analysis

apptronik; Austin (TX); On-site; USD 70,000 - 90,000; Full time

Job summary

Apptronik is seeking a Mechanical Engineer – Thermal Simulation & Analysis in Austin, Texas. This role involves developing thermal solutions for their humanoid robot, Apollo. Responsibilities include creating simulations, analyzing data, and collaborating with design engineers. Applicants should have a Bachelor's or Master's degree in Mechanical Engineering, along with 2-5 years of experience in thermal analysis. Familiarity with CFD tools and heat transfer principles is essential. Apptronik promotes equal employment opportunities.

Qualifications

• 2–5 years of experience in thermal analysis or simulation.
• Experience in mechanical design is a plus.

Responsibilities

• Assist in developing CFD and thermal models.
• Run simulations using established tools.
• Analyze simulation data to identify performance gaps.
• Support thermal testing and data collection.
• Collaborate with design engineers for thermal considerations.

Skills

Familiarity with CFD tools

Understanding of heat transfer principles

Strong analytical skills

Ability to document technical findings

Willingness to learn

Education

Bachelor’s or Master’s degree in Mechanical Engineering

Tools

Simcenter CFD

Ansys Icepak

Fluent

Job description

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 support 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

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.