Senior Project Manager, Energy Storage

ON.energy • Reston, VA

9h • Hybrid

About The Position

ON.energy is setting the standard for large load interconnection. ON’s patented AI UPS™ is a medium-voltage UPS that serves as a firewall, protecting the data center from the grid, and the grid from the data center. With multiple gigawatts currently under construction, we are enabling grid-safe data centers. 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.

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.
• Willingness to travel to project sites in the U.S. and Latin America as needed.

Nice To Haves

• Bilingual English/Spanish preferred (not required).

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.

Benefits

• Competitive salary + annual performance-based bonus eligibility
• Medical, dental, and vision insurance
• 401(k) with company match
• Paid time off and company holidays
• Christmas Bonus (Aguinaldo): 30 days
• Major medical expenses and life insurance
• Paid time off and holidays (per local policy)
• Professional development and growth opportunities
• Opportunity to grow with a mission-driven team shaping the future of clean energy

What This Job Offers

• Job Type: Full-time
• Career Level: Senior