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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Project Engineer
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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: Houston, TX or Reston, VA preferred / Remote considered / Hybrid office schedule and travel up to 50%.
Overview
- Support the end-to-end engineering execution of BESS projects for data centers, from development to commissioning.
- Manage the technical scope of projects and serve as the technical point of contract to the project manager.
- Coordinate with internal engineering, procurement, and construction teams to ensure project milestones are met.
- Collaborate with customers, EPC contractors, OEMs, and design consultants on integration of BESS with data center electrical infrastructure.
- Review and validate system designs (electrical, civil, mechanical) and vendor submittals to ensure technical compliance and quality.
- Design and develop Single line diagrams, Schematics, Wiring diagrams for Battery storage systems
- Prepare Electrical Equipment Specifications, Data Sheets, Purchase Requisitions and Bid evaluations for inverters, Switchgear, Transformers and other electrical equipment as required
- Develop Short circuit, load flow, and arc flash studies using software such as ETAP.
- Assist in developing project schedules, procurement plans, and technical documentation.
- Conduct site walks and support field activities during installation and commissioning.
- Participate in Factory and Site Acceptance Testing (FAT/SAT) of BESS components and systems.
- Identify technical risks and propose mitigation strategies in coordination with Project Management.
- Ensure all work is compliant with relevant codes (e.g., NEC, IEEE, NFPA) and On Energy Storage’s internal standards.
Qualifications
- Bachelor’s degree in Electrical Engineering, Mechanical Engineering, or other engineering discipline.
- 3+ years of experience in project engineering, preferably within the BESS, electrical infrastructure, or data center sectors.
- Familiarity with energy storage systems (CATL, Sungrow, Tesla, etc.) and high-voltage infrastructure.
- Strong understanding of electrical schematics, single-line diagrams, and equipment layouts.
- Strong understanding of the electrical system design, system studies, relay coordination, and protection & control.
- Proficiency in Microsoft Office, AutoCAD, power system study programs (Ex. ETAP, SKM).
- Basic understanding of Civil, Mechanical, and Structural work.
- Ability to read and understand project owner specifications and engineering drawings
- Ability to manage subcontractors and drive schedule of Engineering activities
- Ability to manage multiple projects concurrently
- Ability to problem solve issues and have an “outside the box” mentality
- Strong attention to detail, with the ability to recognize discrepancies
- Able to produce clear and concise documentation
- Strong work ethic
- Excellent interpersonal skills with the ability to work with clients and staff in a team.
- Excellent communication, problem-solving, and cross-functional coordination skills.
- Hybrid in Office up to 3 days a week and ability to travel to project sites across the U.S. as needed (up to 50%).
Preferred Qualifications
- Experience working on EPC or design-build projects in the energy or critical infrastructure sector in North America.
- Familiarity with commissioning protocols and QA/QC procedures for electrical systems.
- PE or EIT certification is a plus.
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
Senior Project Engineer
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.
Location: Houston preferred / Remote considered / Hybrid office schedule and travel up to 50%.
Overview
-
Support the end-to-end engineering execution of BESS projects for data centers, from development to commissioning.Manage the technical scope of projects and serve as the technical point of contract to the project manager.
-
Coordinate with internal engineering, procurement, and construction teams to ensure project milestones are met.
-
Collaborate with customers, EPC contractors, OEMs, and design consultants on integration of BESS with data center electrical infrastructure.
-
Review and validate system designs (electrical, civil, mechanical) and vendor submittals to ensure technical compliance and quality.
-
Design and develop Single line diagrams, Schematics, Wiring diagrams for Battery storage systems
-
Prepare Electrical Equipment Specifications, Data Sheets, Purchase Requisitions and Bid evaluations for inverters, Switchgear, Transformers and other electrical equipment as required
-
Develop Short circuit, load flow, and arc flash studies using software such as ETAP.
-
Assist in developing project schedules, procurement plans, and technical documentation.
-
Conduct site walks and support field activities during installation and commissioning.
-
Participate in Factory and Site Acceptance Testing (FAT/SAT) of BESS components and systems.
-
Identify technical risks and propose mitigation strategies in coordination with Project Management.
-
Ensure all work is compliant with relevant codes (e.g., NEC, IEEE, NFPA) and On Energy Storage’s internal standards.
- Bachelor’s degree in Electrical Engineering, Mechanical Engineering, or other engineering discipline.
- 5+ years of experience in project engineering, preferably within the BESS, electrical infrastructure, or data center sectors.
- Familiarity with energy storage systems (CATL, Sungrow, Tesla, etc.) and high-voltage infrastructure.
- Strong understanding of electrical schematics, single-line diagrams, and equipment layouts.
- Strong understanding of the electrical system design, system studies, relay coordination, and protection & control.
- Proficiency in Microsoft Office, AutoCAD, power system study programs (Ex. ETAP, SKM).
- Basic understanding of Civil, Mechanical, and Structural work.
- Ability to read and understand project owner specifications and engineering drawings
- Ability to manage subcontractors and drive schedule of Engineering activities
- Ability to manage multiple projects concurrently
- Ability to problem solve issues and have an “outside the box” mentality
- Strong attention to detail, with the ability to recognize discrepancies
- Able to produce clear and concise documentation
- Strong work ethic
- Excellent interpersonal skills with the ability to work with clients and staff in a team.
- Excellent communication, problem-solving, and cross-functional coordination skills.
- Hybrid in office up to 3 days a week and ability to travel to project sites across the U.S. as needed (up to 50%).
-
Experience working on EPC or design-build projects in the energy or critical infrastructure sector in North America.
-
Familiarity with commissioning protocols and QA/QC procedures for electrical systems.
-
PE or EIT certification is a plus.
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
Document Control Specialist - SharePoint Support
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.
Schedule: Hybrid (3 days in-office / 2 remote)
This role will focus on managing and optimizing document control processes within SharePoint, ensuring efficient document storage, access, and collaboration across teams.
- Administer and maintain document control systems within Microsoft SharePoint
- Organize, structure, and manage document libraries and workflows
- Ensure proper version control, metadata, and document governance
- Support internal teams with SharePoint usage and best practices
- Improve document management processes and system efficiency
- Ensure compliance with company standards and audit requirements
- 8–10 years of document control experience
- Strong expertise in Microsoft SharePoint
- Experience with EDMS (Electronic Document Management Systems)
- Experience designing or managing document management systems
- Strong attention to detail and process-oriented mindset
- Ability to collaborate across teams and geographies
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
Document Control Specialist - Project Support
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.
Schedule: Hybrid (3 days in-office / 2 remote)
This role will support project execution by managing, tracking, and maintaining critical project documentation. The ideal candidate has strong experience in construction or energy project environments and is highly proficient in Procore.
- Manage and maintain project documentation throughout the lifecycle
- Ensure proper version control, distribution, and storage of documents
- Coordinate with project teams, contractors, and stakeholders
- Maintain compliance with document control procedures and standards
- Track submittals, RFIs, drawings, and project deliverables
- Support audits and ensure document accuracy and completeness
- 8–10 years of document control experience
- Strong proficiency in Procore (required)
- Experience with ACC (Autodesk Construction Cloud) (required)
- Experience supporting large-scale projects (construction, energy, infrastructure preferred)
- Strong organizational and communication skills
- Ability to manage multiple priorities in a fast-paced environment
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
Field Engineer - Battery 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.
Location: Amarillo, TX (Project-Based, On-Site)
About On Energy Storage
On Energy Storage designs, deploys, and operates advanced Battery Energy Storage Systems (BESS) supporting commercial, industrial, and utility customers across the Americas. Our engineering team drives high-quality, technically rigorous project execution across interconnection, site design, and protection & control systems. We prioritize speed, accuracy, and operational reliability in every project.
Position Summary
On Energy Storage is seeking an experienced Field Engineer to support the construction and commissioning of a utility-scale BESS project in Amarillo, TX. This is a full-time, on-site role embedded within the project team. The Field Engineer will serve as the primary technical resource for the EPC contractor and commissioning teams, providing real-time electrical and mechanical guidance, resolving field issues, and ensuring that installation activities align with On Energy Storage's engineering standards, design documents, and applicable codes. The ideal candidate brings a strong electrical engineering background with hands-on experience supporting field construction and commissioning activities on power systems or energy storage projects.
Key Responsibilities
- Serve as the on-site technical point of contact for the EPC contractor.
- Interpret engineering drawings and support field installation teams.
- Review and resolve RFIs with the engineering team.
- Monitor installation for compliance with design and codes.
- Identify and resolve field discrepancies.
- Document and share lessons learned on equipment being installed.
- Support FAT and SAT activities.
- Maintain field reports and documentation.
- Coordinate with engineering and EPC teams.
- Participate in meetings and safety reviews.
- Verify equipment installation compliance.
- Support punch list and project closeout.
Qualifications
- Bachelor's degree in Electrical Engineering or related field.
- 3-5 years of relevant experience.
- Strong understanding of electrical systems.
- Ability to read electrical drawings.
- Knowledge of NEC, IEEE, NFPA.
- Troubleshooting and communication skills.
- Proficiency in Microsoft Office and Procore.
- Ability to work on-site in Amarillo, TX.
Preferred Qualifications
- Experience with BESS systems.
- EPC or infrastructure project experience.
- Commissioning and QA/QC familiarity.
- Bluebeam experience.
- SCADA/EMS exposure.
- EIT or PE certification 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.
- 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