Mechanical Engineering Manager - Electromechanical
Mainspring Energy · Menlo Park, CA
- Level
- Manager
- Team
- Reliability
- Degree
- Required
- Experience asked
- 11+ years
- Industry
- Industrial
- Posted
- 30+ days ago
The role in 30 seconds
A management reliability role at Mainspring Energy (industrial) in Menlo Park, CA. Lead ideation and design reviews to develop innovative solutions that enhance performance and reduce cost of the Linear Generator and its electrical subsystems.
- They ask for
- 11+ years · degree required
- Tools it names
- SolidWorks
Read from the posting. The full description is below.
From the plant jobs report · week of October 19, 2026
Reliability Engineer roles in California: typical posted base $115k–$169k.
Median of the low and high ends of 69 live postings that list pay, out of 147 reliability engineer openings in California, read from manufacturers' own careers sites.
California plant jobs report →Pay by team and state →What moves pay →
How this role compares
Against 146 other live reliability postings in California.
- Base pay
- Not listed in this posting
- Experience asked
- More than usual (11+ vs 5+)
Typical $115k–$169k, from 68 postings that list pay.
Similar roles usually ask 5+ years.
Skills these teams ask for most
- Root cause 71%
- ✓ New product launch 41%
- FMEA 40%
- Automation 30%
- Validation (IQ/OQ/PQ) 28%
- Tooling 20%
✓ = this posting asks for it too. % = share of similar postings that mention it.
Stands out: this posting asks for SolidWorks, which few similar roles mention. If you have it, lead with it.
At a glance
Pulled from the posting text. If it's not listed here, the posting didn't say.
How to get in at this plant
Five moves over a week or two. The first one takes ten minutes.
- 1
Pick 2–3 people on the Reliability team at Mainspring Energy
We found 2 people at this company and state: 2 in this kind of role. Engineers who joined in the last year or two reply the most. See them ↓
- 2
Send a short, curious note
One real question about their work. No favors yet. Each person gets a different note, written for this role.
Write to Patrick → (free) - 3
Turn a reply into a short call
Questions worth asking about this team:
- What does a normal week look like on your team?
- How did you land the job? What stood out in your interviews?
- 4
Apply with someone vouching for you
If the call went well, ask whether they’d pass your résumé to the hiring manager. Send your résumé link, apply that day, and let them know.
- 5
Bring proof to the interview
One page of before-and-after numbers from projects you led: scrap, OEE, cycle time, cost. Plant managers hire on results.
This plant: Mainspring Energy in Menlo Park
14 other open roles at this site · 2 people we found in reliability roles at Mainspring Energy.
- Vice President, Electrical Engineering · Reliability · Director+
- Sustaining Controls Engineer · Controls
- Senior Reaction Controls Engineer · Controls · Senior
- Senior/Staff Materials Process Engineer · Process · Senior
- Senior Materials and Process Engineer · Process · Senior
- Staff Materials and Process Engineer · Process · Senior
Full description from Mainspring EnergyAs posted on their careers site.ShowHide
requirements
from concept through manufacturing launch. You will directly manage engineers, providing leadership while ensuring that all team members work towards a cohesive project goal. Ideal candidates will have a strong combination of technical expertise, leadership abilities, and the drive to solve complex problems in a collaborative environment.
Core
Responsibilities
- ◆Lead ideation and design reviews to develop innovative solutions that enhance performance and reduce cost of the Linear Generator and its electrical subsystems
- ◆Own the structure, layout, optimization, prototyping, testing, and deployment of electrical enclosures and harnesses
- ◆Partner with Electrical, Reliability, Test, NPI, Manufacturing, and supplier teams to define design direction, validate solutions, and meet project milestones
- ◆Oversee execution by setting
requirements
and coordinating across disciplines to maintain cohesive technical direction
- ✓Manage and mentor engineers, guiding technical decisions, setting priorities, and supporting professional growth
- ✓Proactively balance timelines, resources, and risks to ensure consistent delivery on key engineering initiatives
Qualifications
- ✓Degree: BS or MS in Mechanical, Electrical, or related engineering field with 11 years of industry experience
- ✓Proven ownership of electrical enclosure and cable designs, with experience influencing cross-functional teams
- ✓Deep expertise in sheet metal, mechanical–electrical integration, and design for manufacturability
- ✓Strong foundation in electrical principles, thermal modeling, and system-level design
- ✓Proficient in SolidWorks and PDM; experience with CFD/FEA tools (e.g., Ansys) is a plus
- ✓Demonstrated ability to make technical trade-offs, guide design direction, and deliver complex systems
- ✓Passion for mentoring engineers and advancing high-impact, low-carbon energy technologies
Show full description ↓Show less ↑
About Mainspring
Mainspring Energy manufactures and delivers fuel-flexible, low-emissions local power solutions that rapidly add new capacity and deliver reliable, affordable, and sustainable electric power. The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities. Mainspring also partners with global energy leaders including AEP, NextEra Energy Resources, Schneider Electric, and more.
The core values that ground our work, guide our decisions, and connect us together:
Pragmatic Optimism
Excellence without Ego
Proactive Collaboration
Job Overview
Mainspring is seeking a Manager with a focus on designing electrical enclosures and cables while improving functionality and system-level performance. This role will involve not only owning engineering development projects but also taking a leadership role in guiding technical decisions and influencing the design process across teams. You will work with cross-functional teams to ensure that key electrical and mechanical subsystems meet challenging technical