Company · 18 open roles
Careers at Mainspring Energy
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18 positions at Mainspring Energy
Staff Electrical Test Development Engineer - NPI
Mainspring Energy·Menlo Park, California, United States
Staff Electrical Test Development Engineer - NPI at Mainspring Energy. Location: Menlo Park, California, United States. Role: establishing strategy, designing fixtures, managing escalations Requirements: Electrical test development experience for manufacturing with 4+ years (MS) …
Director of Federal Affairs
Mainspring Energy·Washington, District of Columbia, United States
Director of Federal Affairs at Mainspring Energy. Location: Washington, District of Columbia, United States. Role: developing strategy, managing lobbying, securing funding Requirements: 15+ years in public affairs/government relations with energy policy expertise; experience with…
Senior Field Service Analyst
Mainspring Energy·Menlo Park, California, United States
Senior Field Service Analyst at Mainspring Energy. Location: Menlo Park, California, United States. Role: maintaining data, scheduling workorders, managing inventory Requirements: Bachelor's degree (or equivalent experience), 5+ years planning/scheduling/operations or field servi…
Senior Quality Engineer
Mainspring Energy·Monterrey, Nuevo León, Mexico
Senior Quality Engineer at Mainspring Energy. Location: Monterrey, Nuevo León, Mexico. Role: enabling inspection, reviewing tests, managing relationships Requirements: Bachelor's in engineering, 5+ years manufacturing quality engineering, experience with APQP/PPAP and root‑cause …
Senior Mechanical Engineer - Thermal / Fluids Hardware Design
Mainspring Energy·Menlo Park, California, United States
Senior Mechanical Engineer - Thermal / Fluids Hardware Design at Mainspring Energy. Location: Menlo Park, California, United States. Role: designing hardware, optimizing subsystems, validating systems Requirements: BS in Mechanical Engineering +5 years or MS +4 years; experience …
Mechanical Engineer - Thermal / Fluids Hardware Design
Mainspring Energy·Menlo Park, California, United States
Mechanical Engineer - Thermal / Fluids Hardware Design at Mainspring Energy. Location: Menlo Park, California, United States. Role: designing hardware, optimizing subsystems, validating systems Requirements: BS in Mechanical Engineering +3 years (or MS +2 years); experience desig…
Staff Mechanical Engineer - Battery Design
Mainspring Energy·Menlo Park, California, United States
Staff Mechanical Engineer - Battery Design at Mainspring Energy. Location: Menlo Park, California, United States. Role: leading design, influencing suppliers, evaluating performance Requirements: BS/MS in Mechanical Engineering or related, 10+ years engineering experience in lith…
Director / Senior Director of Accounting
Mainspring Energy·Menlo Park, California, United States
Director / Senior Director of Accounting at Mainspring Energy. Location: Menlo Park, California, United States. Role: owning close, overseeing ledger, driving audits Requirements: 12+ years accounting experience with 3+ years in senior accounting leadership; strong operational ac…
Senior Manufacturing Engineer - DFM
Mainspring Energy·Menlo Park, California, United States
Senior Manufacturing Engineer - DFM at Mainspring Energy. Location: Menlo Park, California, United States. Role: ensuring manufacturability, designing fixtures, scaling production Requirements: Bachelor’s degree in Mechanical Engineering (Master’s preferred), 5+ years in mechanic…
Associate Operations Support Specialist II - Nightshift
Mainspring Energy·Menlo Park, California, United States
Associate Operations Support Specialist II - Nightshift at Mainspring Energy. Location: Menlo Park, California, United States. Role: monitoring alerts, troubleshooting systems, escalating issues Requirements: Monitor system alerts, follow troubleshooting flowcharts, restart or es…
Staff Electrical Engineer - Balance of System Integration Engineer
Mainspring Energy·Menlo Park, California, United States
Staff Electrical Engineer - Balance of System Integration Engineer at Mainspring Energy. Location: Menlo Park, California, United States. Role: Manage design cycle, Design I/O mapping, Architect networks Requirements: 8+ years in industrial control panels and integrated systems; …
Principal Cloud Platform Software Engineer
Mainspring Energy·Menlo Park, California, United States
Principal Cloud Platform Software Engineer at Mainspring Energy. Location: Menlo Park, California, United States. Role: Architect cloud, Lead data systems, Drive uptime Requirements: Lead architect for cloud-to-field software ecosystem; scale global fleet; uptime-centric, data-dr…
Principal AI Architect
Mainspring Energy·Menlo Park, California, United States
Principal AI Architect at Mainspring Energy. Location: Menlo Park, California, United States. Role: Architect AI, Guide governance, Measure ROI Requirements: 12+ years in software engineering or ML infrastructure; expert in agentic frameworks; ROI-focused; security/compliance min…
Senior EH&S Specialist
Mainspring Energy·Menlo Park, California, United States
Senior EH&S Specialist at Mainspring Energy. Location: Menlo Park, California, United States. Role: Promoting safety, Coordinating programs, Providing training Requirements: Senior EH&S Specialist leading site-wide environmental, health and safety programs; onsite 5 days/week; 8+…
Test Engineer, Product Qualification
Mainspring Energy·Menlo Park, California, United States
Test Engineer, Product Qualification at Mainspring Energy. Location: Menlo Park, California, United States. Role: Operate units, Qualify cores, Develop tests Requirements: Master's degree in mechanical or electrical engineering or physics; 3+ years in experimental hardware, produ…
Senior R&D Mechanical Technician
Mainspring Energy·Menlo Park, California, United States
Senior R&D Mechanical Technician at Mainspring Energy. Location: Menlo Park, California, United States. Role: build prototypes, troubleshoot components, document findings Requirements: 6+ years hands-on mechanical assembly/repair; automotive/heavy equipment experience a plus; pre…
Senior Sales Engineer
Mainspring Energy·Menlo Park, California, United States
Senior Sales Engineer at Mainspring Energy. Location: Menlo Park, California, United States. Role: develop architecture, produce proposals, support pricing Requirements: Senior Sales Engineer with 7+ years of experience in sales engineering or related roles in electrical power sy…
Environmental Analyst (Permitting & Compliance)
Mainspring Energy·Menlo Park, California, United States
Environmental Analyst (Permitting & Compliance) at Mainspring Energy. Location: Menlo Park, California, United States. Role: manage compliance, develop dashboards, coordinate tracking Requirements: Bachelor’s degree in environmental science/engineering, 5+ years environmental com…