Internship, Mechanical Engineer, Cell Engineering (Fall 2026), Markham

Tesla is looking to hire a

Mechanical Design Intern

to design and deploy specialized development equipment for cutting-edge vehicle battery products. This position will help drive technological advancement while working closely with cross‑functional teams. Battery development is at the heart of Tesla, and this is an exciting opportunity to work directly on the central challenges with electric vehicles - battery cost and performance.

This internship is expected to start around August 2026 and continue through the Fall term (through December 2026) or into Spring 2027 if available. A minimum of 12 weeks, full‑time and on‑site, is required. Candidates must be able to work 40 hours per week on‑site.

What You'll Do Depending on placement, responsibilities may include:

Design and develop 3D CAD models, detailed drawings, and mechanical BOMs

Support and troubleshoot mechanical designs on cross‑functional teams

Develop and debug PLC code (structured, maintainable, reusable)

Design industrial electrical control panels compliant with NFPA79, NEC, and UL508A

Implement control‑reliable safety systems per ANSI/RIA15.06 and OSHA standards

Support installation and commissioning of electrode mass production lines

Collaborate with CAE, test, and process engineers on Li‑ion cell component development

Run FEA, Excel, MATLAB, and scripting analyses to support design validation

Drive research and experiments to advance Tesla's internal cell design knowledge base

What You'll Bring

Currently pursuing a degree in Mechanical Engineering or related field

Proficiency in 3D CAD (SolidWorks preferred, CATIA, AutoCAD, 3DX)

Machining and fabrication experience (welding, additive manufacturing, molding, extrusions)

Proficiency in Geometric Dimensioning&Tolerancing (GD&T)

Programming skills in Python; MATLAB, CFD, or FEA packages are assets

Familiarity with ANSI, NFPA, LOTO, and OSHA safety standards

Experience with test design, data acquisition, and statistical analysis (JMP, Minitab)

Basic knowledge of lithium‑ion battery cell and battery design

Strong technical communication skills

Currently pursuing a degree in Mechanical Engineering or related field. Proficient in SolidWorks or similar 3D CAD tools. Experience with machining, fabrication, GD&T, PLC programming, and Python. Familiarity with ANSI, NFPA, LOTO, and OSHA standards.

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