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Sales Director - Public Power

Mainspring Energy - Remote - Remote - posted 2026-09-02

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Mainspring Energy manufactures fuel-flexible, low-emissions local power solutions (Linear Generators) for Fortune 500 companies, data centers, and utilities. The company is seeking a Sales Director for Public Power Origination to lead commercial strategy and transaction execution across municipalities, electric cooperatives, and investor-owned utilities (IOUs). You will serve as an executive-level, outward-facing origination leader responsible for driving high-value, complex energy transactions from initial engagement to financial close. Your core responsibilities include: • Sourcing, structuring, negotiating, and closing complex commercial arrangements including equipment sales, long-term service agreements (LTSAs), capacity contracts, and project partnerships with public power counterparties • Leveraging and expanding your existing network of utility executives, procurement leads, board members, and energy traders to rapidly originate pipeline opportunities • Representing Mainspring at industry conferences (APPA, NRECA, EEI, regional ISO meetings) and customer sites, commanding rooms and building authentic long-term trust with key decision-makers • Positioning Mainspring's Linear Generator as the solution for utility needs including data center interconnection delays, load growth, generation retirement replacement, and firm capacity requirements • Leading complex negotiations on term sheets, MOUs, equipment purchase agreements, and customized commercial structures alongside internal legal, regulatory, product, and finance teams • Managing responses to competitive solicitations (RFPs) and integrated resource planning (IRP) engagements • Feeding real-time market intelligence and customer pain points back to product, engineering, and executive leadership to influence roadmaps This is a travel-intensive role (up to 50%) requiring comfort with client dinners, conference circuits, site visits, and last-minute travel to close deals. You will work remotely but must be willing and able to travel extensively across North American power markets. Requirements: • 16 years of total experience in North American power or clean energy sectors, with at least 8 years of direct transaction experience in an outward-facing origination or commercial role with direct access to counterparties • Proven track record originating, negotiating, and closing complex, high-value energy transactions (equipment sales, PPAs, BTAs, capacity contracts, large infrastructure agreements) with municipalities, cooperatives, and/or IOUs • Deep working knowledge of public power procurement processes, G&T (Generation & Transmission) co-op structures, board governance, RTO/ISO market rules, and utility financial models • Willingness and ability to travel up to 50% • Highly charismatic, extroverted, and confident in boardrooms and informal settings; exceptional ability to build instant rapport with senior utility leaders • Self-starter with an active, portable network of utility, co-op, and municipal decision-makers • Deep understanding of power economics, capacity markets, spark spreads, tax credits (IRA/OBBBA), project finance (NPV, IRR), and grid interconnection mechanics • Ability to orchestrate internal technical, regulatory, and finance experts to solve complex customer challenges Preferred Qualifications: • Bachelor's degree in Business, Engineering, Economics, or related field (MBA or advanced degree preferred) • Deep existing network across specific regional wholesale markets (PJM, ISO-NE, NYISO, MISO, ERCOT, SPP, SERC, or WECC)

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