Staff Mechanical Engineer - Battery Design
Mainspringenergy · Menlo Park, CA
Posted about 3 months ago
or apply directly on Mainspringenergy's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 86 days Mainspringenergy's roles stay open a median of 86 days
- Reposted
- No
- Salary listed
- No 0% of Mainspringenergy's roles list one
- Ghost-job risk at Mainspringenergy
- high 86 stale, 1 reposted of 86 open
- Hiring momentum
- 120 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-29
Measured from postings appearing on and disappearing from Mainspringenergy's own lever board since 2026-08-04. Full hiring picture for Mainspringenergy.
About this role
The Staff Mechanical Design Engineer at Mainspring will be responsible for designing electrical enclosures and power electronics packaging for the Linear Generator. This role involves leading projects from initial requirements through design, testing, and release, while collaborating closely with electrical engineers, manufacturing teams, and suppliers. Candidates should be prepared to showcase their technical expertise and problem-solving abilities in a collaborative environment.
- benefits
- 1/5
- freshness
- 1/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Mainspringenergy as an employer.
What you need
- Experience in mechanical design of electrical enclosures and power electronics packaging
- Proficiency in CAD, FEA, GD&T, thermal/fluid analysis, and testing
- Ability to lead projects from requirements through design, review, testing, and release
- Strong problem-solving skills in a collaborative environment
Worth weighing
- No specific salary range mentioned
- Emphasis on detailed resume suggests a focus on substantial project experience
- Role may involve direct reports, indicating potential leadership responsibilities
Summarised from Mainspringenergy's posting. Read the full original.
Listed by Mainspringenergy on their lever job board, last confirmed open on 2026-10-29. PitchMeAI is not the employer.
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