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Principal Software Architect - AI & Security

mainspringenergy
Companymainspringenergy
CategoryEngineering
LocationMenlo Park
RemoteRemote
EmploymentNot stated
LevelLead
SalaryUSD 228k–280k
Posted20 Apr 2026
Last verified3 Aug 2026
SourceEmployer career page (lever)
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Description
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 Energy is evolving beyond using AI for simple productivity gains. We are seeking a Principal Software Architect to lead our transition into an organization where AI agents are fully embedded in our engineering development cycles. This is a strategic leadership role focused on architecting the future of how we build linear generator technology.   At the principal level, you will not just support existing processes; you will define the AI strategy for engineering development workflows, ensuring that AI-driven automation has clear structure, rigorous guardrails, and measurable Return on Investment (ROI).
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