Internship, Thermal Design Engineer, Optimus (Fall 2026)

Consider before submitting an application: This position is expected to start August or September 2026 and continue through summer term (ending approximately December 2026) or continuing into Winter/Spring 2027 if available and there is an opportunity to do so. We ask for a minimum of 12 weeks, full-time (40 hours/week) and on-site, for most internships. Our internship program is for students who are actively enrolled in an academic program. Recent graduates seeking employment after graduation and not returning to school should apply for full-time positions, not internships. International Students: If your work authorization is through CPT, please consult your school on your ability to work 40 hours per week before applying. You must be able to work 40 hours per week on-site. Many students will be limited to part-time during the academic year. The Internship Recruiting Team is driven by the passion to recognize and develop emerging talent. Our year-round program places the best students in positions where they will grow technically, professionally, and personally through their experience working closely with their manager, mentor, and team. We are dedicated to providing an experience that allows the intern to experience life at Tesla by including them in projects that are critical to their team’s success.

Responsibilities

CFD modeling of heat transer and fluid flow Develop innovative approaches to enhance radiative heat transfer in small modules Perform tolerance analysis, finite element analysis and simulations Test and validate the electronic systems across all low voltages electronics Provide support to manufacturing lines and test engineers to quickly identify issues, resolve problems, and come up with production solutions Create clear documentation and presentations to communicate concepts, designs, and findings

Requirements

Currently pursing a degree in Mechanical Engineering, or thermals-related field with a graduation date between 2026 - 2027 Strong understanding of fundamentals of heat transfer, thermodynamics, and fluid dynamics Experience in CFD and developming numerica models of thermal/fluid systems at any level Passionate about electro-mechanical product design, creative problem solving, and finding simple solutions to complex mechanical and thermal challenges Hands-on experience with mechanical or thermal testing and data analysis Strong teamwork, communication and presentation skills