Mainspring Energy
Senior Materials and Process Engineer
Menlo Park, CA · Senior
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odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~45% per draw at Level III). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
$7,557 more — $133,557 — moves this role to Level III and 3 lottery entries. That figure is inside the range the employer already advertised.
Based on the DOL prevailing wage for this occupation and worksite, a base salary of $133,557 would place this position at wage Level III. That figure is within the posted range, and I'd like to target it. This role classifies under "Materials Engineers" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Materials Engineers (17-2131) · San Francisco-Oakland-Fremont, CA. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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Sourced from Department of Labor LCA, PERM and prevailing-wage disclosure data. Employer matching is by name, so figures may be split across an employer's legal entities. Absence of a filing means none appears in our copy of the data, not that none exists.
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About the role
- 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.
- The materials and process team at Mainspring Energy works on complex development projects which are at the intersection of, performance and processing of a wide range of materials - non ferrous, ferrous, coatings, graphite, polymers etc.
- Studies have shown that some people are less likely to apply to positions unless they meet every listed requirement.
Responsibilities
- Mainspring also partners with global energy leaders including AEP, NextEra Energy Resources, Schneider Electric, and more.
- In this role, you will develop reliable cost effective materials solutions and manage existing solutions through validation testing, process development and deployment on an actual part/subassembly.
Requirements
- MS + 5 years or PhD + 3 years of industry experience
- Fundamental understanding of and performance of engineering materials, and basic knowledge of structure-property relationships
- Working knowledge and experience with FMEA (Failure Mode and Effects Analysis)
- Demonstrated experience with statistical data analysis and reporting (Matlab/Python, Google Sheets/Excel, Weibull++, etc.)
- MS in Materials Science/Engineering or Mechanical Engineering
- Deep understanding of isostatic graphite structure, and performance, including graphite manufacturing processes.
- Excellent communication skills, adaptable self-starter, enjoys collaboration in a fast-paced environment
Nice to have
- Experience with volume production of graphite components is highly preferred
- Knowledge of dry (solid lubrication) tribology relative to ceramic or graphite materials is highly preferred
Compensation
- This compensation and benefits information is based on Mainspring Energy's estimate as of the date of publication and may be modified in the future.
- We generally do not negotiate on salary once we have made an offer.
- The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise.
- New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge.
Benefits
- 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.
- Mainspring can sometimes be flexible enough to
Company info
- This is a great opportunity to be part of cross functional projects and collaborate with multiple teams such as Supply chain, Quality, Reliability, Design and Production.
Equal opportunity
- In more traditional words, Mainspring Energy, Inc is an Equal Opportunity Employer.
This listing is sourced directly from Mainspring Energy's careers page and normalized into a canonical job model.