Mainspring Energy

Operations

• Monitor inventory accuracy, levels, turns, and aging; identify and execute improvement opportunities
• Monitor inventory levels at contract manufacturing partners to optimize on-hand inventory, align supply with demand, and prevent shortages or excess
• Reduce excess and obsolete inventory through structured analysis and action plans
• Strengthen inventory transaction accuracy and discipline across operating teams
• Lead cycle count and inventory accuracy initiatives
• Serve as the expert in the inventory tracking system and support enhancements
• Support and/or lead transition to a new inventory system, including requirements gathering, testing, training, and change management
• Lead inventory-related projects from planning through execution, coordinating with cross-functional stakeholders

Warehouse Operations Analyst

Customer Support

• Learn and understand novel electro-mechanical hardware systems and operations
• Monitor system alerts and notifications during assigned shifts
• Follow established troubleshooting protocols to address issues
• Execute problem-solving actions based on provided flowcharts
• Restart hardware systems or escalate issues to senior engineering staff as needed
• Maintain detailed logs of alerts and actions taken
• Ensure all issues are resolved within the allotted time or escalated appropriately
• Provide weekend and flexible shift coverage, including filling in for team absences or vacations as needed

Associate Operations Support Specialist II

Customer Success Manager

• Serve as the primary point of contact for customers post-deployment
• Build trust-based customer relationships and drive satisfaction and retention
• Coordinate across Engineering, Product, Operations, and Sales to align customer priorities
• Ensure consistent and accurate internal and external communication
• Lead customer issue identification, escalation, and resolution
• Translate technical findings, resolution timelines, and system performance into clear customer communication
• Escalate issues internally with appropriate urgency and context
• Maintain visibility into open issues and follow through to closure
• Establish consistent reporting on account health, system performance, and key metrics
• Build and refine onboarding, account management, and customer success processes
• Directly manage key accounts and help scale the function

Director of Customer Success

Frontend Engineer

• Implement models, algorithms, and continuous-integration (MIL, SIL, PIL) tests in C++
• Develop fuel, air, compression ratio, and cooling automation and control strategies
• Design, execute, and analyze experiments using Python on virtual or real generators
• Collaborate with other controls engineers on designs and architectures
• Debug sensors, actuators, and subsystems for noise and disturbances
• Assist in calibration, verification, and validation
• Communicate algorithms with block diagrams, pseudo-code, and code
• Analyze complex thermodynamic-mechatronic systems with experimental data
• Create representative plant models
• Support reliability and manufacturing testing of systems under control
• Analyze data to assess performance capabilities and inform requirements and design decisions
• Support fleet generator operation to enhance reliability and performance

Senior Reaction Controls Engineer

General

• Drive sourcing, structuring, negotiation, and closure of high-value commercial arrangements, including equipment sales, LTSAs, capacity contracts, and project partnerships
• Serve as Mainspring’s primary representative in the Public Power sector and originate new pipeline opportunities
• Represent Mainspring at industry conferences, regional association meetings, dinners, and customer sites
• Position Mainspring’s Linear Generator for urgent utility needs including data center interconnection delays, load growth, generation retirement replacement, and firm capacity requirements
• Structure and negotiate term sheets, MOUs, equipment purchase agreements, and customized commercial structures with legal, regulatory, product, and finance teams
• Lead responses to RFPs, IRP engagements, and bilateral partnership pursuits
• Provide market intelligence, customer pain points, and utility requirements to product, engineering, and executive leadership teams to influence product roadmaps

Senior Originator – Public Power

Sales

• Own and exceed revenue targets through strategic channel partners
• Identify, vet, and onboard Tier 1 partners, including EPCs, energy developers, and integrators
• Lead cross-functional Product, Finance, and Engineering teams to support partners in closing high-contract-value transactions
• Deliver high-impact training on Mainspring’s value proposition in power quality, resiliency, and fuel flexibility
• Execute go-to-market strategies for the national utility environment, focusing on behind-the-meter applications and data center load growth
• Manage partner performance using KPIs, maintain pipeline health, and provide accurate revenue forecasts to leadership
• Recruit partners and drive them from signed to productive
• Navigate complex utility landscapes and technical nuances of the data center and distributed energy space
• Report to the Senior Director of Channel Sales
• Drive Mainspring Energy’s continued expansion into the US market