Internship, Cell Materials Engineer, Cell Engineering (Fall 2026)

Consider before submitting an application.

This position is expected to start August or September 2026 and continue through fall term ending approximately December 2026 or later if available. 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.

Internship Program at Tesla 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 teams success.

Location: Boulder, CO

Your application for the Cell Engineer Cell Engineering Internship will be considered across all opportunities for the teams listed below:

Process Engineering The Process Engineering team takes on difficult challenges in processing and materials science to realize the full potential of next generation energy storage solutions, ensuring Tesla remains a leader in cell technology and electrode fabrication. The intern on this team will document observations and present findings to a technical audience on a routine basis. They will support the Boulder R&D team through fabrication of small-scale electrode coatings.

Materials Engineering The Fundamentals Advanced Materials team supports multiple high-impact projects which will involve implementing existing techniques, developing new techniques, and analyzing existing data to characterize battery materials, determine degradation mechanisms, and optimize cell performance at Tesla. This intern will be responsible for supporting the development of cell test plans to characterize initial cell performance, lifetime behavior, reliability, and identify critical failures and degradation modes. In addition, this candidate will help plan test resources, track test progress, and analyze/report testing results.

Requirements

• Currently pursuing a degree in Engineering, preferably in Chemistry, Chemical Engineering, Materials Science, or a related field.
• Experience with electrochemical and mechanical evaluation of battery electrode analysis techniques (Arbin, MacCor, Biologic, or similar).
• Familiarity with degradation mechanisms of batteries and battery materials.
• Experience using MATLAB, Simulink, Python, or similar data analysis tools.
• Knowledge of lithium-ion battery technology and electrochemistry.
• First-principles physics understanding of electrical and mechanical systems, power delivery, energy storage, and transformation, and thermo-fluids engineering.

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

• Medical plans (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 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)
• 401k, Employee Stock Purchase Plans, and other financial benefits
• Company Paid Basic Life, AD&D, and short-term disability insurance (90-day waiting period)
• 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

Expected Compensation $20.00 - $50.00 benefits for all levels. 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.