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Lead federal advocacy, legislative, and regulatory initiatives in Washington, D.C. to scale fuel-flexible linear generator technology. Manage relationships with executive branch agencies, congressional offices, and external lobbying firms to secure funding and shape energy policy.
Requires 15+ years of experience in public affairs or energy policy with a proven track record of working with the US administration and congressional committees. A bachelor's degree is required, and eligibility for high-level government security clearances is highly preferred.
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:
Mainspring is seeking a strategic, highly connected Director or Senior Director of Federal Affairs to spearhead our advocacy, legislative, and regulatory initiatives in Washington, D.C. As a leader within our Business Development and Policy team, you will drive the federal strategy necessary to scale our dispatchable and fuel-flexible linear generator technology.
This role is focused on elevating the awareness and relevance of Mainspring’s Linear Generator technology across various levels of the federal government and agencies. You will serve as the primary point of contact for executive branch agencies, the administration, congressional offices, and key congressional committees, while seamlessly managing our external lobbying firms.
Federal Advocacy & Strategy: Develop and execute comprehensive advocacy strategies to advance Mainspring’s priorities within the White House, Department of Energy (DOE), Department of War, and Department of Commerce
Capital & Policy Alignment: Identify, pursue, and secure high-value federal funding opportunities, including government investment programs, loan programs, and strategic public-private partnerships
Legislative Engagement: Formulate and advance legislative priorities on the Hill; maintain robust relationships with key Senate and House offices and committees to shape energy and infrastructure policy
Coalition & Relationship Management: Actively build and manage strategic alliances with industry associations, non-governmental organizations, and corporate partners to amplify Mainspring’s policy voice
Lobbying Management: Direct and collaborate with external D.C. lobbying firms to maximize impact and ensure alignment with corporate commercial objectives
Business Development: Work to scale sales via US government channels either via international partnerships or with government agencies
Experience: 15+ years of experience in domestic and international public affairs, energy policy, or government relations, with a deep understanding of domestic and international energy policy
Administration & Hill Expertise: Proven track record of working effectively inside or directly with the current administration, executive branch agencies, and major congressional committees
Deal Architecture: Demonstrated background in energy financing structures, government appropriations, and bringing large-scale federal deals or loan portfolios to execution
Clearances: Active or prior eligibility for high-level government security clearances (e.g., TS/SCI or Q clearance) is highly preferred
Education: Bachelor’s degree in Public Affairs, Political Science, Economics, International Relations, or a related field; advanced degree preferred
Location: Based full-time in Washington, D.C. (Required)
Travel: ability to travel on occasion
This position is based in Washington, D.C.. The salary has been adjusted to reflect local market conditions based on employee location as well as the experience of the employee. Along with the base salary, Mainspring offers pre-IPO stock options + benefits.
Does your experience not meet all of our posted requirements? Studies have shown that some people are less likely to apply to positions unless they meet every listed requirement. At Mainspring, we are committed to building a diverse, inclusive, flexible, and collaborative environment, so if you want to help us transition the world to clean and affordable electricity, and don’t meet all posted requirements for a particular role, we’d still love to hear from you. Mainspring can sometimes be flexible enough to shift responsibilities for the right person, or otherwise identify open or upcoming roles that may better fit your professional background.
In more traditional words, Mainspring Energy, Inc is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
This compensation and benefits information is based on Mainspring Energy's estimate as of the date of publication and may be modified in the future. We generally do not negotiate on salary once we have made an offer. The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise. New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge.
We deliver local power where and when you need it.
Mainspring is a power generator manufacturer redefining how local power is delivered to capacity constrained companies and communities. No other primary power solution can match the flexibility, affordability, and low emissions of a Mainspring Linear Generator. Mainspring customers across key industries — utilities, data centers, enterprise, and industrial — are taking control of their energy futures.
Offices: 3601 Haven Avenue, Menlo Park, CA 94025, US
Based on 204 listings with disclosed salaries, most energy jobs in Washington, DC pay between $78k–$186k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 323 open energy positions in Washington, DC listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include ProSidian Consulting, The Nuclear Company, Amentum, Exelon, FTI Consulting, among others. Browse the listings above to see every active employer.
Yes — 165 of the 323 open energy positions offer remote or hybrid work (23 remote, 142 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
