Tesla Mechanical Design Engineer interview questions
based on 112 ratings - Updated Jun 3, 2026
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61%
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Applied online
18%
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Recruiter
12%
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Employee Referral
5%
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Other
3%
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In Person
1%
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Mechanical Design Engineer applicants have rated the interview process at Tesla with 3.3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 33% positive. To compare, the company-average is 50.9% positive. This is according to Glassdoor user ratings.
Candidates applying for Mechanical Design Engineer roles take an average of 70 days to get hired, when considering 3 user submitted interviews for this role. To compare, the hiring process at Tesla overall takes an average of 40 days.
Common stages of the interview process at Tesla as a Mechanical Design Engineer according to 3 Glassdoor interviews include:
Phone interview: 50%
Group panel interview: 17%
Background check: 17%
Personality test: 17%
Here are the most commonly searched roles for interview reports -
There were four rounds of interviews; first was a 15 question quiz, next was a two- 45 mins interviews with senior engineers working in the team. The final interview was with the manager.
Interview questions [1]
Question 1
Strength of Materials, Heat and Conduction, Different materials used in traditional mechanical engineering
I applied through an employee referral. I interviewed at Tesla (Palo Alto, CA) in Mar 2025
Interview
This was a technical interview for the battery design team. I was asked about a bolt and heat Transfer question. The interviewer was great and definitely very intense, and no behavioral questions were asked.
I applied online. I interviewed at Tesla (Fremont, CA) in Nov 2023
Interview
One to two round interviews, one behavioral one technical. Depending on who’s interviewing, and technical is mostly just ask you question about your past experience and elaborate from it. May give you a few questions to see your thoughts process.