Mechanical Design Engineer, Battery Engineering, Semi

Tesla

Sparks, Nevada Posted October 31, 2026

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On-site Full-time Mid level
Job Description

Description:
Our small team is developing the batteries for the upcoming Tesla Semi.  The role requires strong fundamentals, a passion to push the boundaries of technology, and the tenacity to make your designs successful.  Our design requirements push the limits of physical possibility, from individual battery cells to integrating battery structure with large-scale heavy duty commercial vehicle architecture, which requires you to be extremely detail oriented and to hold your designs to the highest standards of quality and manufacturability. Our team is small and necessitates a willingness to play a variety of roles and fill gaps as needed. We collaborate with many engineering groups, requiring a team player mentality. Tesla moves quickly, so being self-motivated and disciplined is critical.  You must be passionate, but direction changes quickly, so you must also be resilient.

Responsibilities:
Full product design responsibility, from concept through production launch and ramp
3D design of complex parts and assemblies
Advancing product performance while driving down cost and mass
Developing new technologies, supported with early process development
Hands-on prototyping
Specification definition (dimensional, functional, performance, manufacturing)
Meticulous release of 2D part and assembly drawings
Owning basic testing and analysis; supporting advanced testing and analysis
Collaboration with other teams inside Tesla (Manufacturing, Testing, NPI, Supply Chain, etc.)
Travel to support production launch and ramp (supplier visits, on-site at Tesla factories, etc.)

Requirements:
Strong engineering fundamentals in heat transfer, fluids, mechanics, and electronics
Desire to own a lot and work hard - we have a small team and fast timelines
Demonstrated ability to create products: CAD design to hand on prototyping
Experience with various manufacturing processes such as plastic injection molding, metal stamping, thermoforming, welding/brazing, plating, heat treating, and bonding. Direct machine shop skills a plus
Experience in designing for high volume assembly, both manual and automated
Experience defining test plans, designing test setups, and analyzing data
Proficiency in CAD modeling. CATIA V5/V6 experience a plus but not mandatory
Experience with Class 8 trucks or other heavy-duty commercial vehicles a plus
Experience with student Formula Vehicle, Solar Car, Hyperloop etc. a plus
Bachelor's Degree in Mechanical Engineering, or equivalent experience

Compensation & Benefits:
Benefits

Along with competitive pay, as a full-time Tesla employee, you are eligible for the following benefits at day 1 of hire:
Medical plans > plan options with $0 payroll deduction
Family-building, fertility, adoption and surrogacy benefits
Dental (including orthodontic coverage) and vision plans, both have options with a $0 paycheck contribution
Company Paid (Health Savings Accounts) HSA Contribution when enrolled in the High-Deductible medical plan with HSA
Healthcare and Dependent Care Flexible Spending Accounts (FSA)
401(k) with employer match, Employee Stock Purchase Plans, and other financial benefits
Company paid Basic Life, AD&D
Short-term and long-term disability insurance (90 day waiting period)
Employee Assistance Program
Sick and Vacation time (Flex time for salary positions, Accrued hours for Hourly 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
Weight Loss and Tobacco Cessation Programs
Tesla Babies program
Commuter benefits
Employee discounts and perks program

Required Skills
mechanical engineering collaboration prototyping manufacturing testing supply chain injection molding welding CATIA
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