The Role
The Senior Project Manager at Mainspring Energy leads turnkey power generation projects, coordinating teams and managing schedules, budgets, and permitting processes to ensure project success.
Summary Generated by Built In
Company Overview
Mainspring Energy is revolutionizing power generation with the world’s most flexible and adaptable local power generation technology, the Mainspring Linear Generator. Commercial, industrial, and utility leaders are choosing Mainspring over traditional options like engines, turbines, and fuel cells to quickly and reliably deliver local power for EV charging, commercial facilities, data centers, and grid-scale operations. The Mainspring Linear Generator is fuel flexible, ramps up and down to meet demand, and utilizes a flameless reaction with near-zero NOx emissions.
Backed by top-tier investors including Khosla Ventures, Bill Gates, American Electric Power, Lightrock, and General Catalyst Mainspring designs, manufactures and delivers its products to customers across the U.S. today, and we’re quickly scaling for international expansion.
Inspired by our vision of the affordable, reliable, net-zero carbon grid, Mainspring is rapidly expanding within the $816B global electricity equipment market, and we’re hiring the best talent to meet growing customer demand around the globe. We welcome a broad range of backgrounds, experiences, and talents to bring fresh perspectives and ongoing innovation to our customers.
We are looking to build relationships with people who share our values:
Pragmatic Optimism. Building a new category of world-class power generation requires the optimism of ambition and creativity, balanced with practicality to solve problems efficiently. The challenges that arise are opportunities for growth.
Excellence without Ego. We bring expertise and commitment to creating the best customer experience, from sales to deployment and service, just as we apply deep technical rigor to building and delivering world-class products. We strive for excellence and behave as leaders with the humility to acknowledge our challenges, both collectively and as individual contributors.
Proactive Collaboration. The integration and cross-disciplinary nature of Mainspring’s business requires intentionally seeking out others who bring different skills, perspectives, and priorities. Our culture of inclusion and respect extends beyond our team to interactions with our partners and customers.
More information can be found at www.mainspringenergy.com
Job Overview
A key enabler of Mainspring’s mission is the ability of its team to deliver solutions based on our linear generator technology that solve customer problems in the cross-section of resiliency and clean power generation. This includes site due diligence, design engineering, permitting, construction operations, and commissioning.
Responsibilities
- Serve as the primary advocate for project success and Mainspring Energy’s lead field representative, coordinating cross-functionally with engineering, logistics, manufacturing, commissioning, and customer stakeholders to ensure successful delivery throughout the full project lifecycle
- Lead concurrent turnkey power generation projects, as well as oversee multiple third party developed equipment sale projects, from development through commissioning and closeout
- Manage permitting and utility interconnection processes across multiple municipalities and Authorities Having Jurisdiction (AHJs)
- Coordinate cross-functional teams (engineering, procurement, construction, QA/QC, commissioning) and external partners to execute safely, eliminate scope gaps, on schedule, and within budget
- Own critical path schedule management, proactively mitigating technical, procurement, and construction risks
- Oversee contract administration, bid packaging, subcontractor management, and change order negotiation
- Drive cost control initiatives to meet and improve project margin targets
- Ensure compliance with safety, quality, environmental impacts and risk mitigations, and regulatory standards
- Maintain accurate reporting, documentation, turnover packages, and warranty administration
- Conduct site visits and job walks, with up to 15% travel required
Qualifications
- 7+ years of project management experience, with emphasis on distributed energy systems (solar, BESS, fuel cells, microgrids) and turnkey EPC delivery
- Demonstrated ownership mentality, with full accountability for equipment sales and turnkey EPC project performance, including site safety, schedule adherence, scope control, cost management (including change order negotiation), and contractor quality oversight
- Comprehensive knowledge of development, permitting, contracting, procurement, estimating, budgeting, scheduling, logistics, and construction execution
- Proven experience leading RFP development, bid evaluations, contract negotiations, and full procurement lifecycle management
- Strong financial management capabilities, including cost tracking, forecasting, budget control, and change order negotiation using tools such as Procore and MS Project
- Demonstrated expertise navigating AHJ permitting processes and managing electrical and gas utility interconnection requirements
- Proficiency in Microsoft Office (Excel, scheduling in Project, Reporting in PowerPoint) and Google Workspace (Sheets, Docs, Drive, shared workflows, remote collaboration tools)
- Experience in Project Management software (Procore)
- Highly effective in remote work environments, leveraging digital collaboration platforms to manage distributed teams and maintain execution momentum
- Proven ability to manage competing high-priority tasks across multiple concurrent projects while maintaining schedule discipline and attention to detail
- Strong analytical, organizational, and problem-solving skills, with demonstrated success resolving technical, commercial, and personnel-related challenges
- Deep understanding of contractor qualification, safety programs, QA/QC processes, and project governance best practices
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.
Top Skills
Google Workspace
MS Office
Ms Project
Procore
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The Company
What We Do
Driven by our vision of the affordable, reliable, net-zero carbon grid of the future, Mainspring has developed a new category of power generation — the linear generator — that delivers onsite, fuel-flexible power to accelerate the transition to the future grid. To learn more visit www.mainspringenergy.com.
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