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
This role serves as the bridge between Sales and internal stakeholders during the commercial contracting process. Acting as both a project manager and strategic coordinator, the position drives alignment across Sales, Legal, Finance, Project Delivery, Operations, Product, and Leadership to ensure customer agreements are structured, reviewed, approved, and executed efficiently.
The role is responsible for proactively coordinating cross-functional activities, removing blockers, driving accountability, and maintaining momentum throughout the deal lifecycle. In addition to supporting day-to-day deal execution, this position plays a key role in identifying process gaps, implementing scalable improvements, and driving continuous improvement initiatives that enhance contracting efficiency, visibility, communication, and overall commercial operations effectiveness.

Senior Sales Contracting Manager