ON.energy
Take your next step with ON.energy
At ON.energy, we are proud to be an equal opportunity employer, offering a wide range of career opportunities for individuals passionate about driving the energy transition forward. Our culture is dynamic, innovative, and far from the traditional corporate mold. We are built on a foundation of customer satisfaction, teamwork, trust, and an unwavering commitment to excellence.
Joining ON.energy means advancing your career in the energy sector with exciting opportunities across many departments and skill-sets. We embrace diverse perspectives and are dedicated to equipping our team with the tools, resources, and support they need to thrive.
Be a part of a company that values your ideas, fuels your growth, and empowers you to make a meaningful impact in shaping the future of energy.
Open Positions:
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Senior Project Manager, Energy Storage
Share this job
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.
Requirements
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 recruitment@onenergystorage.com
- Benefits vary by role and location and are subject to change.
Ready to apply?
Apply to ON.energy
Project Manager, Energy Storage
Share this job
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.
Requirements
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 recruitment@onenergystorage.com
- Benefits vary by role and location and are subject to change.
Ready to apply?
Apply to ON.energy
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.
Position Overview:
The Project Executive – 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 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 the primary point 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.
Qualifications:
- 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.
- Experience with having direct reports as this position will have a Site Project Manager(s) within their organization
- 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.
Why Join On.Energy:
You’ll be part of a mission-driven team building the clean energy infrastructure of the future. We offer competitive compensation, growth opportunities, and a dynamic international environment where innovation is valued and impact is real.
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 recruitment@onenergystorage.com
- Benefits vary by role and location and are subject to change.
Ready to apply?
Apply to ON.energy
Site Project Manager, Energy Storage
Share this job
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.
Site Project Manager, Energy Storage
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Serve as the jobsite primary point of contact with the client, maintaining alignment across all project stages.
-
Supporting the Project Executive in delivering 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.
-
Support with execution to align with project budgets from planning to final close-out, including monthly forecasting and variance tracking.
-
Identify, assess, and mitigate jobsite level project risks related to cost, safety, quality, and delivery.
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Oversee daily on-site operations by monitoring General Contractor and subcontractor activities to ensure alignment with project scope, safety requirements, and quality expectations.
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Oversee vendor on-site activities to ensure adherence to site safety rules, quality standards, and equipment commissioning timelines.
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Lead and facilitate regular coordination meetings with the General Contractor, subcontractors, and client teams to track progress, resolve issues, and align on upcoming work.
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Conduct routine site walks to observe construction activities, validate compliance with design documents, and identify potential risks or deviations early.
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Manage field quality activities include coordinating equipment receipt inspections, managing installation inspections, and ensuring documentation for quality reporting is maintained.
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Support the Project Executive in managing all change orders, RFIs, NCRs, PCNs, and VCNs in a timely and traceable manner.
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Ensue daily JSA/JHAs are in place, morning toolbox meetings occur, safety and commissioning teams are aligned prior to the start of daily activities, end of day meeting to ensure alignment on next days activities and goals.
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Foster strong relationships with clients, suppliers and partners to improve execution quality and delivery performance.
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Support Project Executive in validating subcontractor invoices and payment applications by cross-referencing with field progress and contractual terms.
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Collaborate closely with safety personnel and commissioning teams to ensure daily readiness, compliance with site safety protocols, and startup of new systems.
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Coordinate closely with the Commissioning Site Manager to align construction activities with system readiness, turnover packages, and commissioning schedules
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Support contract close-out and final project documentation handover.
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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 and overseeing complex infrastructure projects at project sites.
-
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).
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 recruitment@onenergystorage.com
- Benefits vary by role and location and are subject to change.
Ready to apply?
Apply to ON.energy