Director of Origination - Public Power

### 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 is seeking a high-energy, commercially driven Director of Origination to lead our commercial strategy and transaction execution across Municipalities, Electric Cooperatives, and IOUs.

This is an executive-level, outward-facing origination role for a natural networker and dealmaker. You will be responsible for bringing an established "rolodex" of utility and public power relationships, pitching Mainspring’s value proposition, opening doors at the executive level, and driving high-value, complex transactions from initial handshake to financial close.

If you thrive on the road, love hosting counterparties, excel at translating market tailwinds into executed contracts, and bring deep transaction experience in the power sector, this role is built for you.

### What You Will Do

• Drive Commercial Growth: Lead the sourcing, structuring, negotiation, and closure of high-value commercial arrangements—including equipment sales, long-term service agreements (LTSAs), capacity contracts, and project partnerships—with Public Power counterparties (Munis, Co-Ops, IOUs)
• Leverage & Expand Your Network: Serve as the primary face of Mainspring in the Public Power sector. Mobilize your existing relat