Internship, Thermal Design Engineer, Optimus (Winter/Spring 2026)

Consider before submitting an application:

This position is expected to start around January 2026 and continue through the Winter/Spring term (ending approximately May 2026) or continuing into Summer 2026 if available and there is an opportunity to do so. We ask for a minimum of 12 weeks, full-time 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.

• 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 tomanufacturing 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

• Currently pursing a degree in Mechanical Engineering, or thermals-related field
• 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

As a full-time Tesla Intern, you will be eligible for:

• Aetna PPO and HSA plans > 2 medical plan options with $0 payroll deduction
• Family-building, fertility, adoption and surrogacy benefits
• Dental (including orthodontic coverage) and vision plans. Both have an option with a $0 payroll contribution
• Company Paid (Health Savings Account) HSA Contribution when enrolled in the High Deductible Medical Plan with HSA
• Healthcare and Dependent Care Flexible Spending Accounts (FSA)
• 401(k), Employee Stock Purchase Plans, and other financial benefits
• Company Paid Basic Life, AD&D, and short-term disability insurance
• Employee Assistance Program
• Sick and Vacation time (Flex time for salary positions), and Paid Holidays
• Back-up childcare and parenting support resources
• Voluntary benefits to include: critical illness, hospital indemnity, accident insurance, theft & legal services, and pet insurance
• Commuter benefits
• Employee discounts and perks program

Pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. The total compensation package for this position may also include other elements dependent on the position offered. Details of participation in these benefit plans will be provided if an employee receives an offer of employment.