Sr. Mechanical Reliability Test Engineer, Energy Products

Tesla

Palo Alto, California Posted November 1, 2026

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On-site Full-time Senior
Job Description

Description:
As a Senior Reliability Test Engineer focusing on mechanical and thermal systems, you will play a key role in designing reliability into Tesla Energy’s next-generation, Industrial, Residential and Charging platforms. This position plays a crucial role in the reliability lifecycle of the product from concept to design, development testing/analysis, manufacturing, and field operation to optimize product design for best-in-class lifetime customer experience. You will uncover design and process failures through executing physical tests and developing automated test equipment to gather and analyze performance and reliability test data.
We emphasize collaboration in our work, and always encourage each other to have fun while we change the world together.

Responsibilities:
Lead test engineering activities for mechanical and thermal systems including: enclosures, busbars/conductors and thermal actuators (pumps, radiators, manifolds, etc.)

Design and execution of product and component level reliability testing including hands-on testing with real hardware

Design, build and implement next-gen hardware and software test systems to facilitate reliable design characterization and accelerated life testing

Determine energy product test strategies that optimize for product reliability, DFMEA-based risk mitigations, test team resources, and program schedules

Conduct test data and failure analysis, clearly communicate test results, and collaborate cross-functionally with design and reliability engineers

Train Technicians/Engineers to operate and troubleshoot test equipment

Comply with safety policies and regulations

Requirements:
Degree in Mechanical Engineering or equivalent experience

Minimum 3-5 years of hands-on experience in hardware design validation, hardware testing & instrumentation and data acquisition systems

Experience designing and fabricating custom test platforms and fixtures to capture real-world product applications

Knowledge of general programming in scripting languages for test automation and data analysis / post-processing (Python preferred)

Experience specifying  appropriate sensors for test instrumentation and utilizing data acquisition systems

Experience working safely with high voltage equipment (up to 1kV)

Experience using basic hand and power tools

Experience using CAD software for custom test fixture design

Experience working safely with high voltage equipment (up to 1kV)

Proven ability to develop reliability tests including environmental, mechanical, and electrical stress testing is highly preferred

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

Expected Compensation
$91,600 - $195,600/annual salary + cash and stock awards + benefitsPay 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.

Required Skills
testing manufacturing collaboration troubleshooting mechanical engineering data analysis Python
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