ON.energy

Role Description The Product Quality Engineer (PQE) supports the Product Quality Manager by executing project-level quality assurance activities for utility-scale BESS projects, with a strong emphasis on Factory Acceptance Testing (FAT) and supplier quality oversight. This role is a hands-on individual contributor responsible for planning, performing, witnessing, and monitoring FATs at OEM and supplier facilities to verify that critical BESS equipment meets contractual, technical, and quality requirements prior to shipment. In addition to FAT execution, the PQE performs field inspections, monitors equipment deliveries and installation activities, identifies and documents non-conformances, and supports corrective action resolution during construction, installation, and commissioning phases. The PQE plays a critical role in early defect detection and risk mitigation by validating product quality at the factory level and ensuring civil, mechanical, and electrical installations meet On.Energy, contractual, and industry standards before mechanical completion and commissioning. - Plan, perform, witness, and monitor Factory Acceptance Tests (FATs) and in-process inspections at OEM and supplier facilities for BESS equipment including batteries, PCS/inverters, transformers, switchgear, EMS, and auxiliary systems. - Review and approve FAT procedures, test scripts, and acceptance criteria in alignment with contractual and technical requirements. - Identify, document, and track FAT-related non-conformances and deviations; support Root Cause Analysis (RCA) and corrective/preventive actions prior to shipment. - Coordinate and oversee third-party inspectors at vendor facilities when required. - Perform on-site quality inspections for BESS projects during construction, installation, and commissioning. - Support receiving inspections, delivery verification, and installation surveillance. - Verify compliance with drawings, specifications, Inspection & Test Plans (ITPs), and Project Quality Management Plans. - Identify, document, and manage Non-Conformance Reports (NCRs) in accordance with On.Energy procedures. - Verify effectiveness of corrective actions prior to mechanical completion and handover. - Complete inspection reports, FAT reports, checklists, and quality documentation accurately and on time. - Maintain project quality records and digital inspection platforms. - Provide timely quality status updates, metrics, and supplier performance feedback. - Interface directly with EPC contractors, OEMs, and suppliers on quality matters. - Execute project quality processes aligned with ISO 9001 and PDCA methodology. - Promote a strong quality and safety culture at all times and work locations. Qualifications - Bachelor’s degree in Electrical, Industrial, Mechanical, or Quality Engineering (or related technical field). - 5+ years of experience in quality engineering within the energy, power, or renewable industries. - Direct experience performing or leading Factory Acceptance Tests (FATs) for electrical or power equipment. - Hands-on experience with electrical power systems used in BESS projects. - Working knowledge of ISO 9001, NCR management, RCA, and CAPA processes. - Ability to read and interpret electrical drawings, civil plans, and technical specifications. - Willingness to travel up to 75% to domestic and international supplier and project sites. - Strong communication and technical documentation skills. Requirements - Bachelor’s degree in Electrical Engineering (preferred). - Experience with Tier 1 BESS OEMs and EPC contractors (preferred). - Familiarity with UL 9540 / 9540A, UL 1973, IEEE 1547, NEC, IEC standards (preferred). - Experience using digital inspection platforms and NCR tracking tools (preferred). - Electrical certifications or commissioning experience (preferred). Benefits - Competitive salary + annual performance-based bonus eligibility. - Medical, dental, and vision insurance. - 401(k) with company match. - Paid time off and company holidays. - Professional development and growth opportunities. - Opportunity to grow with a mission-driven team shaping the future of clean energy.

Role Description ON.energy is seeking a Reliability & Procedures Engineer to strengthen how our fleet of utility-scale battery energy storage systems (BESS) is maintained and troubleshot in the field. This role sits at the intersection of engineering analysis and field operations: - Reviewing how reactive work orders were resolved. - Translating those resolutions into clear, repeatable procedures. - Ensuring lessons learned are captured in our CMMS so the same problem is never solved twice. The ideal candidate is an electrical engineering graduate who is curious about how equipment fails, comfortable working directly with field technicians, and motivated to turn scattered troubleshooting knowledge into a durable, scalable body of technical documentation. Key Responsibilities - Review completed reactive work orders to understand how issues were diagnosed and resolved in the field. - Build new maintenance and troubleshooting procedures, and revise existing ones for consistent and efficient resolution of recurring issues. - Build and update procedures directly within Limble, ensuring they are accurate, accessible, and actionable for field technicians. - Proactively seek out and incorporate feedback from field service technicians to identify gaps in current procedures and opportunities for new ones. - Support troubleshooting efforts on active equipment issues, escalating or contributing engineering judgment as needed. - Analyze equipment failure data to identify trends by equipment type, site location, vintage, manufacturer, or other contributing factors. - Translate failure trend analysis into clear, well-supported reports for OEM partners and senior leadership. - Maintain organized documentation of procedure revisions, version history, and the rationale behind each change. Qualifications - Bachelor’s degree in Electrical Engineering or a closely related discipline. - 0–5 years of relevant experience; new graduates with strong fundamentals are encouraged to apply. - Working knowledge of electrical systems, power electronics, or industrial/utility equipment fundamentals. - Strong written communication skills, with the ability to translate technical troubleshooting steps into clear, field-ready procedures. - Analytical mindset with comfort working in Excel or similar tools to identify patterns and trends in failure data. - Comfortable engaging directly with field technicians to gather feedback and validate procedure changes. - Comfort working directly within a CMMS platform (e.g., Limble) to create and maintain procedure records; prior hands-on experience is a plus but not required. - Ability to manage multiple procedure and analysis workstreams concurrently. Benefits - For US-based roles: - 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: - 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 Company Description 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.

Role Description ON.energy is seeking a detail-oriented Commissioning Administrator to support our field commissioning teams with documentation, data management, and administrative tasks across active data center projects. This role keeps our commissioning records accurate, organized, and audit-ready as work progresses across multiple buildings and data halls. - Export completed checklists and field data from our field data-capture systems and import them into our commissioning management platform, verifying that records transfer accurately and completely. - Maintain commissioning documentation, including checklists, test records, punch lists, and issue logs, ensuring version control and proper filing. - Track checklist completion status across equipment and reconcile discrepancies between platforms. - Support generation of progress reports and status summaries for project management and clients. - Assist with scheduling coordination, meeting notes, and distribution of commissioning deliverables. - Help organize and standardize templates, naming conventions, and folder structures for project records. - Coordinate with commissioning engineers and field technicians to chase down missing or incomplete documentation. Qualifications - 0-2 years in administrative, document control, or project coordination roles, ideally in construction, MEP, or commissioning environments. - Strong computer skills, including comfort moving data between software platforms and working in Excel. - Experience with commissioning or project management software is a plus; willingness to learn is essential. - High attention to detail and a methodical approach to data accuracy. - Strong written communication and the ability to follow up persistently across teams. - Able to manage multiple priorities in a fast-paced project environment. Requirements - Familiarity with commissioning processes for electrical or mechanical systems. - Experience supporting data center, mission-critical, or large-scale construction projects. Benefits - For US-based roles: - 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: - 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

Title: AI UPS Product Manager Location: Houston, Texas, United States Job Description: 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. AI UPS Product Manager Location: Houston, TX or Northern Virginia or Remote Position Summary The AI UPS Product Manager will have experience with product-based engineering experience to support the AI UPS electrical and controls design, hardware development activities, documentation generation, and technical compliance. This is a system-level product focused role that requires someone who can speak fluently about power electronics, BESS systems and controls; conduct market assessment and analysis; and interface with key stakeholders, including customers, core product engineers, finance, project engineering , service engineering, and commissioning teams. The ideal candidate also has previous experience with UPS systems in mission critical applications or data centers, What You’ll Do - Drive the Product Development Process (PDP) by conducting research, gathering customer needs, defining product features and requirements to help drive the development and launch of products that align with the company’s strategic goals. - Conduct focused market research and competitor benchmarking to identify needs in the market, including required product capabilities, market trends, market size and market pricing. - Define, manage and communicate product requirements to all other stakeholders involved in the product development process. - Collaborate with internal partners, engineering, project management, supply chain, and marketing to drive the product development process, compile technical information packages, and provide technical support and product documentation. - Plan and execute the product launch strategy and develop the product messaging, positioning, and value proposition, in collaboration with internal stakeholders. - Analyze product pricing, costs, and margins to define the business strategy and identify opportunities for growth. - Support design review and validation activities. - Participate in design sprints and product commissioning efforts with the engineering teams. - Define and maintain the product roadmap and end-to-end strategy with the Director of Product and core product managers. - Lead continuous product improvement of the AI UPS and manage its lifecycle, from concepts generation to released product upgrades. - Monitor product performance as well as feedback from customers, engineering, commissioning, service, and sales to support design improvement. - Provide training to internal and/or external teams on product functionality. - Build relationships with customers, suppliers, and industry organizations to stay up to date on industry trends and developments. Required Qualifications - Bachelor’s degree in Electrical Engineering, Power Electronics Engineering, or similar technical field. - 7+ years experience in product management, product engineering, or a closely related role involving project-based or industrial settings. - Proven system-level design experience of MW scale power electronics, BESS and related controls equipment. - Understanding of BESS systems integration with power electronics equipment. - Project management skills. - Excellent communication skills across technical and non-technical teams. - Willing to travel up to 20% for product FAT inspection and site commissioning witnessing. Preferred Plus - Experience with UPS/mission critical, industrial energy, data center, or utility-scale infrastructure applications. - Familiarity with stage-gate product development processes and structured PDP methodologies. - Background in technical sales or sales engineering, with direct customer-facing experience in tradeshows or consultative selling environments. - Exposure to cost/margin analysis, pricing strategy development, and product P&L ownership. - Master’s degree in Engineering, Technology, Business, or Marketing; MBA preferred. 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.

Title: Supplier Quality Engineer Location: Atlanta; Houston, Texas, United States; United States Job Description: 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. Location- United States, Remote with up to 75% travel Position Summary ON.energy is looking for a skilled Supplier Quality Engineer to support the supplier quality activities related to battery energy storage systems (BESS) across the full equipment lifecycle—from procurement and factory testing to site delivery and installation. In this role, you will work closely with engineering, supply chain, and construction teams in the processes of selecting, auditing and evaluating suppliers, reviewing vendor’s Inspection and Test Plans, coordinating and witnessing Factory Acceptance Testing (FAT), and provide field support during installation and commissioning for key components including batteries, inverters, transformers, switchgear and ATS, and auxiliary systems. This role focuses on preventing quality issues at the source – ensuring suppliers maintain robust manufacturing and test processes – and tracking non-conformances through resolution prior to shipment. This role is best suited for engineers with hands-on experience working with manufacturing suppliers of electrical or industrial equipment. The role focuses on suppliers manufacturing critical electrical equipment used in utility-scale energy storage systems. Key Responsibilities - Drive Supplier Selection, Evaluation and Qualification based on the company’s Supplier Quality processes and tools. - Support the definition and documentation of Supplier Quality processes in compliance with ISO 9001 and other applicable requirements. - Perform supplier process audits at new and existing vendors to evaluate manufacturing processes, production controls, and supplier quality systems in alignment with company standards and ISO 9001 requirements. - Ensure all activities related to the Supplier Audit process are properly maintained and executed, including the Audit Planning and Reporting documentation. - Update the supplier quality database (Documents Control). - Management of supplier related quality issues, guiding the root-cause analysis and implementation of corrective actions and process improvements, ensuring effective and sustainable solutions are in place. - Review and approve supplier quality documentation, including Inspection & Test Plans (ITPs), FAT procedures, Control Plans and / or quality control documentation packages. - Participate in Factory Acceptance Tests (FATs) at OEM and ensure test results and documentation meet approved criteria. - Identify, log, and track non-conformances (NCRs); drive timely root cause analysis and corrective actions with vendors. - Review and validate supplier material traceability records, certificates, and inspection reports. - Collaborate with Engineering and Supply Chain to qualify new vendors and support supplier onboarding. - Provide supplier performance feedback and input to quality metrics and supplier scorecards. - Maintain complete, accurate, and traceable quality documentation packages for each project. - Support development and continuous improvement of quality standards, templates, and best practices across equipment types. - Evaluate supplier manufacturing processes and production controls to ensure suppliers can consistently meet technical and quality requirements. Must Have Qualifications - Bachelor’s degree in Electrical, Industrial, or Quality Engineering (or a closely related technical field) or equivalent hands-on experience working with electrical equipment and systems in a manufacturing or industrial environment - 3-7 years of experience in supplier or product quality engineering within the energy or manufacturing industry - Hands-on experience with electrical power systems, BESS, inverters, transformers, switchgear, or other similar equipment - Experience with supplier process audits including evaluating supplier manufacturing processes (VDA 6.3 or similar process audit frameworks are a plus) - Working knowledge of quality management systems (ISO 9001) and manufacturing quality tools (8D, SPC, PFMEA, control plans, FAI / PPAP) - Familiarity with relevant codes and standards (IEEE 1547, UL 9540/9540A, IEC, ISO 9001, NEC) and general equipment test protocols. - Strong analytical and problem-solving skills with a practical understanding of manufacturing processes - Willingness to travel (up to 75%) to vendor locations (domestic and international) and project sites - Excellent communication and documentation abilities; capable of interfacing effectively with suppliers and cross-functional teams Preferred Qualifications - Experience with Tier 1 energy equipment manufacturers - CQE (Certified Quality Engineer) and ISO 9001 Lead Auditor certification. - Familiarity with quality management tools, NCR tracking tools, and dashboard reporting. - Experience supporting supplier quality activities during New Product Introduction (NPI). 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.

Title: Project Manager, Energy Storage Location: Houston, Texas, United States; Mclean, Reston, Virginia, United States Job Description: 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. - Benefits vary by role and location and are subject to change.

Title: Project Executive Location: Houston, Texas, United States Job Description: 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. - Benefits vary by role and location and are subject to change.

Senior Project Manager, Energy Storage Houston, Texas, United States; Reston, Virginia, United States; United States 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; Reston, 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 recruitment@onenergystorage.com - Benefits vary by role and location and are subject to change.

Role Description ON.energy is seeking a Commissioning Engineer (Field Engineer / Systems Integrator) to execute system-level commissioning, lead small on-site teams, and drive project milestones across ON.energy’s mission-critical, medium-voltage double-conversion UPS deployments built on utility-scale and C&I BESS equipment (batteries, transformers, PCS, and controls). Reporting to a Senior Commissioning Engineer, you will be trusted to operate autonomously on-site — managing testing, troubleshooting, and documentation while maintaining the highest standards of safety and quality. This is a high-travel, hands-on field role. You will spend the majority of your time on project sites across the U.S. and occasionally internationally. The ideal candidate is technically sharp, highly organized, and comfortable leading a small team in fast-paced construction environments. Key Responsibilities - Commissioning & Testing - Execute system-level commissioning tests including functionality checks, network verification, and performance validation for data center, utility-scale, and C&I BESS projects. - Support FAT validation and site acceptance testing (SAT) in coordination with OEM and owner engineers. - Perform functional testing of inverters, PCS, BMS, EMS/SCADA, protection relays, and associated BOS equipment. - Identify, document, and resolve commissioning deficiencies; manage punch lists through to closeout. - Team & Project Leadership - Manage a subset of the on-site commissioning team (2–10 people), autonomously driving project initiatives as directed by the Senior Commissioning Engineer and management team. - Coordinate daily with EPC contractors, OEM field service engineers, and the ON.energy project and engineering teams to resolve technical challenges and keep milestones on track. - Collaborate with internal and external teams to resolve technical challenges as they arise in the field. - Controls & Systems Integration - Review and validate configurations for PLC, SCADA, EMS, network infrastructure, and related control systems. - Conduct troubleshooting for control system issues, network faults, and inverter problems. - Verify system configuration against design drawings, specifications, and interconnection requirements. - Support integration and testing of SCADA/DMS communications (DNP3, Modbus, etc.) - Safety & Quality - Foster and maintain a culture of safety for all team members on site, owning the Job Hazard Analysis (JHA) and Lockout/Tagout (LOTO) programs. - Support safety inspections and risk assessments throughout the commissioning lifecycle. - Ensure commissioning activities comply with NFPA 70E, NEC, IEEE, and applicable NERC/FERC standards. - Provide field reports and maintain thorough, audit-ready documentation for all commissioning activities. Qualifications - 3–6 years of hands-on commissioning experience on BESS, solar + storage, or utility-scale renewable energy projects. - Direct experience with battery storage systems including BMS, PCS/inverter, and EMS/SCADA commissioning. - Proficiency reading and interpreting electrical schematics, single-line diagrams, and P&IDs. - Working knowledge of protection relay testing, CT/PT verification, and DC/AC high-voltage systems. - Strong technical writing skills; ability to produce clear field reports and commissioning documents. - Valid driver’s license and US passport. - Ability to travel >80% of the time. Preferred Qualifications - Hands-on experience with one or more major BESS OEMs (Tesla Megapack, BYD, CATL, Sungrow, or similar). - Familiarity with SCADA communication protocols: DNP3, Modbus TCP/RTU, etc. - Familiarity with utility interconnection processes (distribution and transmission). - NETA, NICET, or relevant electrical certifications. - OSHA 10 or OSHA 30 certification; NFPA 70E training. - Bachelor’s degree in electrical engineering, Power Systems, or a related technical field (or equivalent field experience). Soft Skills - Technically sharp, highly organized, and comfortable leading a small team in fast-paced construction environments. - Strong communicator across EPC, OEM, and internal stakeholders. - Autonomous and accountable. - Safety- and quality-first mindset. Benefits - Competitive base salary + annual performance-based bonus eligibility. - Medical, dental, and vision insurance. - 401(k) with company match. - Paid time off and company holidays. - Per diem eligibility while traveling to project sites. - 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@on.energy.

Role Description The Senior Electrical Specialist serves as ON.energy’s qualifying master electrician of record in the State of Texas and the on-site electrical subject matter expert for AI UPS deployments at hyperscale data center campuses. Holding (and “hanging”) an active Texas Master Commercial Electrician license under ON.energy for the duration of employment is a core function of the role and a condition of hire. This is a high-travel, hands-on field role and an individual contributor position with no direct reports. The Specialist is the primary escalation path for electrical issues during commissioning — validating workmanship and code compliance, witnessing and signing off on key electrical tests, and driving issues to resolution with EPCs, AHJs, utilities, and OEMs on aggressive schedules. The ideal candidate brings deep field electrical experience and the authority to hold the line on safety and code compliance. Key Responsibilities - License of Record & Electrical Authority - Serve as ON.energy’s qualifying master electrician of record in Texas. - Act as the on-site electrical subject matter expert and primary escalation path for electrical issues during commissioning. - Coach EPC field crews and ON.energy field staff on electrical safety, code compliance, and quality standards. - Field Inspection & Verification - Travel to project sites across the U.S. to investigate and resolve electrical issues. - Validate that installations meet NEC, NFPA 70E, IEEE, AHJ, and ON.energy standards. - Witness, verify, and sign off on key electrical commissioning activities. - Ensure all work is compliant with relevant codes and internal standards. - Coordination & Issue Resolution - Partner with EPC contractors, electrical subcontractors, utility representatives, AHJs, and OEM field service engineers. - Review electrical drawings and flag issues back to engineering before they reach the field. - Permits & Documentation - Pull, sponsor, and close out electrical permits as required by AHJs. - Capture electrical findings, deficiencies, root-cause analyses, and corrective actions. Qualifications - Active Texas Master Electrician license — Commercial (in good standing). - Willingness to serve as ON.energy’s qualifying master electrician of record in Texas. - 10+ years of progressive electrical experience. - Hands-on experience with medium-voltage and low-voltage electrical systems. - Direct field experience with large-scale electrical equipment. - Strong working knowledge of NEC, NFPA 70E, IEEE, and OSHA standards. - Ability to read and interpret electrical drawings and documentation. - Comfort working outdoors in all weather conditions on active construction sites. - Strong written documentation skills and proficiency with Microsoft Office. - Ability to travel to project sites across the U.S. at least 50% of the time. - Valid U.S. driver’s license. - Excellent communication, problem-solving, and cross-functional coordination skills. Requirements - Experience commissioning BESS, AI UPS, solar, wind, or other utility-scale energy infrastructure projects. - Experience working on EPC or design-build projects in critical infrastructure. - Familiarity with commissioning protocols and QA/QC procedures for electrical systems. - Reciprocal master electrician licenses in additional U.S. states. - Familiarity with power system study tools such as ETAP or SKM. - OSHA 30, NFPA 70E qualified person training, CPR/First Aid, and similar field safety certifications. - Prior experience as the qualifying master electrician of record for an electrical contractor. Benefits - Competitive base salary + annual performance-based bonus eligibility. - Medical, dental, and vision insurance. - 401(k) with company match. - Paid time off and company holidays. - Per diem eligibility while traveling to project sites. - Professional development and growth opportunities. - Opportunity to grow with a mission-driven team shaping the future of clean energy.