Project Manager, Energy Storage

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future. On.Energy is a fast-growing, end-to-end clean energy solution provider that develops, engineers, supplies, constructs, commissions, and operates hybrid and standalone energy storage solutions. We specialize in both front-of-the-meter and behind-the-meter applications for utility and commercial/industrial clients across North and Latin America. With proprietary technology like our On.Command Energy Management System and a presence in the U.S., Mexico, Peru, and Chile, we are rapidly expanding our footprint in the Data Center infrastructure market. Location: Houston, TX (Hybrid) or Mclean, Virginia (Hybrid) or Remote Position Overview: The Project Manager – Data Center Projects is responsible for the full lifecycle execution of battery energy storage system (BESS) and hybrid energy projects for data centers. This role will support the Project Executive and oversees all phases of planning and execution, ensuring projects are delivered safely, on time, within budget, and in compliance with quality and contractual obligations. Key Responsibilities: · Serve as one of the primary points of contact with the client, maintaining alignment across all project stages. · Manage the full scope of project execution, including safety, schedule, budget, engineering, quality, commissioning, and compliance. · Develop, maintain, and monitor project schedules using recognized tools and methodologies. · Own project budgets from initial planning to final close-out, including monthly forecasting and variance tracking. · Identify, assess, and mitigate project risks related to cost, safety, quality, and delivery. · Lead contract negotiations with EPCs, subcontractors, and third-party vendors. · Manage all change orders, RFIs, NCRs, PCNs, and VCNs in a timely and traceable manner. · Oversee invoice review and approvals across all phases of project delivery. · Ensure project documentation, client reporting, and internal reporting is clear, accurate, and timely. · Foster strong relationships with suppliers and partners to improve execution quality and delivery performance. · Support contract close-out and final project documentation handover. Requirements · Bachelor’s Degree in Engineering or related technical field (required). · Minimum of 5 years of progressive experience in energy project management, preferably in battery energy storage or related fields. · Demonstrated experience managing EPC contractors, negotiating construction contracts, and overseeing complex infrastructure projects. · Proficient in project scheduling tools (e.g., MS Project, Primavera) and budget tracking systems. · Deep understanding of project controls, cost forecasting, and risk management best practices. · Proven ability to manage multiple complex projects simultaneously. · Excellent communication and client-facing skills. · Bilingual English/Spanish preferred (not required). · Willingness to travel to project sites in the U.S. and Latin America as needed. For US-based roles - What you’ll get: Competitive salary + annual performance-based bonus eligibility Medical, dental, and vision insurance 401(k) with company match Paid time off and company holidays For Mexico-based roles - What you’ll get: Competitive salary + annual performance bonus eligibility Christmas Bonus (Aguinaldo): 30 days Major medical expenses and life insurance Paid time off and holidays (per local policy) For all roles: Professional development and growth opportunities Opportunity to grow with a mission-driven team shaping the future of clean energy Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation. Accommodations: If you need an accommodation during the application process, email [email protected] Benefits vary by role and location and are subject to change.

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