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Mainspring Energy

QA Inspector

Mainspring Energy, Menlo Park, California, United States, 94029

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Base pay range $51.15/hr - $59.00/hr

Company Overview Mainspring Energy is revolutionizing power generation with the adaptive Mainspring Linear Generator—fuel‑flexible, flameless, and near‑zero NOx emissions. Backed by leading investors such as Khosla Ventures and Bill Gates, we supply commercial, industrial, and utility customers with local power solutions for EV charging, data centers, and grid‑scale operations while scaling nationally and internationally.

Job Overview We are building a fast‑paced Manufacturing Quality Team to ensure product excellence. As a QA Inspector you will draft incoming inspection plans, write, test, and publish CMM inspection programs, and work closely with both R&D and manufacturing to keep quality high while scaling.

Responsibilities

Produce revision‑controlled CMM programs

Perform conformity inspection on incoming parts for production

Conduct R&D part inspection and provide reports to Engineering

Integrate inspection results into data‑analytic tools

Document non‑conforming records with specific acceptance conditions

Facilitate the Material Review Board (MRB) for disposition by Design Engineering

Provide dimensional results for MRB decision making

Review supplier inspection results and support R&D

Maintain the inspection area and keep equipment calibrated and certified

Generate ideas to improve accuracy and precision of dimensional inspection

Refine the conformance system with Quality Engineering

Build the Quality team’s reputation by providing facts and evidence to leadership

Guide less experienced Quality Technicians

Support internal and external audit

Qualifications

Minimum 5 years experience as a component QA inspector using CMM equipment in a fast‑paced, high‑growth environment

Knowledge of manufacturing processes such as CNC, casting, welding, and metal fabrication

Occasional travel (up to 10%) to contract manufacturers or suppliers

Must‑Have

Proficiency in geometric dimensioning and tolerancing ANSI Y14.5 to interpret manufacturing drawings

Minimum 6 months experience with Zeiss Calypso software and ability to program part inspection

Ability to thrive in structured and unstructured environments and make decisive trade‑offs

Strong understanding of establishing and improving a conformance system

Experience with digital tools for data collection, analysis, and dashboarding

Familiarity with ISO 9001 QMS

Like to Have

Experience in manufacturing scale‑up and transition from prototype to volume production

Familiarity with IPC‑610 for inspecting electronic products

Collaboration tool experience (Jira, Slack, Quickbase) with cross‑functional teams

Knowledge of destructive and non‑destructive testing for special processes such as welding, coating, and heat treatment

Location Menlo Park, CA (onsite)

Equal Opportunity Employer Statement Mainspring Energy, Inc is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, or disability.

We may use artificial intelligence tools to support parts of the hiring process, but final hiring decisions are made by humans.

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