Internship, Cell Materials Engineer, Cell Engineering (Winter/Spring 2026)

What To Expect
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.

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 team’s success.

Location: Boulder, CO

What You'll Do
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 technical audience on routine basis. They will support the boulder R&D team through fabrication of small scale electrode coatings.

Materials Engineering

The Fundamentals Advanced Materials team support 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 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.

What You'll Bring

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 tool

Knowledge of lithium-ion battery technology and electrochemistry

First-principal physics understanding of electrical and mechanical systems, power delivery, energy storage and transformation, and thermo-fluids engineering

Benefits
Compensation and Benefits
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 time after 90 days of employment 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/hour benefits

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.

We will accept applications for this job until November 14, 2025, after which this posting will be removed., Tesla