Job Overview
Location
Menlo Park, CA
Job Type
Full-time
Category
Software Engineering
Date Posted
June 19, 2026
Full Job Description
đź“‹ Description
- • Serve as the inaugural Senior Electrical Systems & Sustaining Engineer to establish the foundational sustaining framework for Mainspring Energy’s Electrical Engineering department.
- • Lead end-to-end problem resolution across all electrical domains, including low-voltage electronics and complex power conversion systems, ensuring hardware integrity across commercial deployments.
- • Act as the operational shield for core design teams by investigating and resolving complex, multi-domain hardware issues that impact reliability, performance, and safety.
- • Drive systematic root-cause analysis of field failures and design anomalies, translating findings into actionable design improvements and documentation.
- • Develop and implement sustaining processes that go beyond component obsolescence management to include long-term hardware reliability, serviceability, and field support protocols.
- • Collaborate directly with manufacturing, field operations, and supply chain teams to ensure seamless integration of sustaining engineering solutions into production and service workflows.
- • Own the technical execution of sustaining initiatives with full autonomy, creating a scalable blueprint for future expansion of the sub-team.
- • Analyze field data and customer feedback to identify recurring electrical system issues and prioritize engineering interventions that maximize uptime and reduce total cost of ownership.
- • Maintain deep technical familiarity with Mainspring’s Linear Generator architecture, including its unique fuel-flexible power generation systems and associated electrical controls.
- • Document sustaining procedures, failure modes, and design change requests with precision to ensure knowledge retention and cross-team alignment.
- • Partner with global energy partners including AEP, NextEra Energy Resources, and Schneider Electric to support sustaining needs in deployed systems.
- • Maintain a proactive, pragmatic approach to engineering challenges, balancing innovation with operational reliability in a fast-scaling commercial environment.
- • Embody the company’s core values of Pragmatic Optimism, Excellence without Ego, and Proactive Collaboration in all cross-functional interactions.
- • Report directly to the Electrical Engineering leadership and serve as a technical authority for sustaining-related decisions across the organization.
🎯 Requirements
- • Proven experience as an Electrical Systems Engineer or Sustaining Engineer in a hardware-intensive environment with complex power systems
- • Demonstrated ability to lead root-cause analysis and resolution of multi-domain electrical failures in production or field-deployed systems
- • Deep technical knowledge of low-voltage electronics and high-power conversion systems
- • Experience developing sustaining processes that extend beyond obsolescence management to include reliability, serviceability, and field support
- • Strong autonomy and ability to establish new engineering frameworks from scratch
- • Excellent documentation and cross-functional communication skills
🏖️ Benefits
- • Opportunity to build and lead a new sustaining engineering sub-team from inception
- • Direct impact on mission-critical clean energy infrastructure deployed for Fortune 500 companies and utilities
- • Collaboration with global energy leaders including AEP, NextEra Energy Resources, and Schneider Electric
- • Work on cutting-edge fuel-flexible, low-emissions power generation technology
Skills & Technologies
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About Mainspring Energy, Inc.
Mainspring Energy develops and manufactures the Mainspring Linear Generator, a modular, fuel-flexible power generator that converts motion along a straight line into electricity. Designed for commercial and industrial customers, it can run on natural gas, biogas, or green hydrogen, delivering dispatchable power with low emissions. Founded in 2010 as a Stanford spinout, the company has commercial installations across the United States and partners with utilities, data centers, and grocery chains to provide on-site generation and grid support services.
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