Project Engineer - BESS at ON.energy
Houston, Texas, United States; Reston, Virginia, United States; United StatesFull-timeProject EngineeringPosted 24 days ago
Apply with PipelineAbout the Role
<div class="content-intro"><p>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.</p></div><h3>Location: Remote considered / Houston, TX or Mclean, VA preferred</h3>
<h3>Travel: to project sites across the US, usually up to 30%, but occasionally 50%</h3>
<h2>Overview</h2>
<div data-draftjs-conductor-fragment="{"blocks":[{"key":"dq7tk","text":"Support the end-to-end engineering execution of BESS projects for data centers, from development to commissioning.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}},{"key":"7f4f3","text":"Manage the technical scope of projects and serve as the technical point of contract to the project manager.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}},{"key":"5sv65","text":"Coordinate with internal engineering, procurement, and construction teams to ensure project milestones are met.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}},{"key":"4f5ia","text":"Collaborate with customers, EPC contractors, OEMs, and design consultants on integration of BESS with data center electrical infrastructure.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}},{"key":"bdpa1","text":"Review and validate system designs (electrical, civil, mechanical) and vendor submittals to ensure technical compliance and quality.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}},{"key":"b5j74","text":"Design and develop Single line diagrams, Schematics, Wiring diagrams for Battery storage systems","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}},{"key":"17j8m","text":"Prepare Electrical Equipment Specifications, Data Sheets, Purchase Requisitions and Bid evaluations for inverters, Switchgear, Transformers and other electrical equipment as required","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}},{"key":"6h6pd","text":"Develop Short circuit, load flow, and arc flash studies using software such as ETAP.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}},{"key":"2e2su","text":"Assist in developing project schedules, procurement plans, and technical documentation.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}},{"key":"19bga","text":"Conduct site walks and support field activities during installation and commissioning.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}},{"key":"2bdps","text":"Participate in Factory and Site Acceptance Testing (FAT/SAT) of BESS components and systems.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}},{"key":"dpop1","text":"Identify technical risks and propose mitigation strategies in coordination with Project Management.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}},{"key":"142v1","text":"Ensure all work is compliant with relevant codes (e.g., NEC, IEEE, NFPA) and On Energy Storage’s internal standards.","type":"unordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{"inlineBlockType":"unstyled"}}],"entityMap":{}}">
<div class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr" data-offset-key="5vt0j-0-0">
<ul>
<li>Support the end-to-end engineering execution of BESS projects for data centers, from development to commissioning.</li>
<li>Manage the technical scope of projects and serve as the technical point of contract to the project manager.</li>
<li>Coordinate with internal engineering, procurement, and construction teams to ensure project milestones are met.</li>
<li>Collaborate with customers, EPC contractors, OEMs, and design consultants on integration of BESS with data center electrical infrastructure.</li>
<li>Review and validate system designs (electrical, civil, mechanical) and vendor submittals to ensure technical compliance and quality.</li>
<li>Design and develop Single line diagrams, Schematics, Wiring diagrams for Battery storage systems</li>
<li>Prepare Electrical Equipment Specifications, Data Sheets, Purchase Requisitions and Bid evaluations for inverters, Switchgear, Transformers and other electrical equipment as required</li>
<li>Develop Short circuit, load flow, and arc flash studies using software such as ETAP.</li>
<li>Assist in developing project schedules, procurement plans, and technical documentation.</li>
<li>Conduct site walks and support field activities during installation and commissioning.</li>
<li>Participate in Factory and Site Acceptance Testing (FAT/SAT) of BESS components and systems.</li>
<li>Identify technical risks and propose mitigation strategies in coordination with Project Management.</li>
<li>Ensure all work is compliant with relevant codes (e.g., NEC, IEEE, NFPA) and On Energy Storage’s internal standards.</li>
</ul>
<p>Qualifications</p>
<ul>
<li>Bachelor’s degree in Electrical Engineering, Mechanical Engineering, or other engineering discipline.</li>
<li>3+ years of experience in project engineering, preferably within the BESS, electrical infrastructure, or data center sectors.</li>
<li>Familiarity with energy storage systems (CATL, Sungrow, Tesla, etc.) and high-voltage infrastructure.</li>
<li>Strong understanding of electrical schematics, single-line diagrams, and equipment layouts.</li>
<li>Strong understanding of the electrical system design, system studies, relay coordination, and protection & control.</li>
<li>Proficiency in Microsoft Office, AutoCAD, power system study programs (Ex. ETAP, SKM).</li>
<li>Basic understanding of Civil, Mechanical, and Structural work.</li>
<li>Ability to read and understand project owner specifications and engineering drawings</li>
<li>Ability to manage subcontractors and drive schedule of Engineering activities</li>
<li>Ability to manage multiple projects concurrently</li>
<li>Ability to problem solve issues and have an “outside the box” mentality</li>
<li>Strong attention to detail, with the ability to recognize discrepancies</li>
<li>Able to produce clear and concise documentation</li>
<li>Strong work ethic</li>
<li>Excellent interpersonal skills with the ability to work with clients and staff in a team.</li>
<li>Excellent communication, problem-solving, and cross-functional coordination skills.</li>
<li>Ability to travel to project sites across the U.S. as needed (up to 50%).</li>
</ul>
<p>Preferred Qualifications</p>
<ul>
<li>Experience working on EPC or design-build projects in the energy or critical infrastructure sector in North America.</li>
<li>Familiarity with commissioning protocols and QA/QC procedures for electrical systems.</li>
<li>PE or EIT certification is a plus.</li>
<li>Hybrid in Houston or Mclean office 3 days a week.</li>
</ul>
</div>
</div><div class="content-conclusion"><hr>
<p><strong>For US-based roles - What you’ll get:</strong></p>
<ul>
<li>Competitive salary + annual performance-based bonus eligibility</li>
<li>Medical, dental, and vision insurance</li>
<li>401(k) with company match</li>
<li>Paid time off and company holidays </li>
</ul>
<p><strong>For Mexico-based roles - What you’ll get:</strong></p>
<ul>
<li>Competitive salary + annual performance bonus eligibility</li>
<li>Christmas Bonus (Aguinaldo): 30 days</li>
<li>Major medical expenses and life insurance</li>
<li>Paid time off and holidays (per local policy)</li>
</ul>
<p><strong>For all roles:</strong></p>
<ul>
<li>Professional development and growth opportunities</li>
<li>Opportunity to grow with a mission-driven team shaping the future of clean energy</li>
<li>Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.</li>
<li>Accommodations: If you need an accommodation during the application process, email <a href="mailto:[email protected]">[email protected]</a></li>
<li>Benefits vary by role and location and are subject to change.</li>
</ul></div>
Related Roles
Document Control Specialist - SharePoint Support
ON.energy
Houston, Texas, United StatesDocument Control Specialist - IPP
ON.energy
Houston, Texas, United States; Mexico City, Mexico City, MexicoDirector Project Engineering
ON.energy
Houston, Texas, United States; Reston, Virginia, United States; United StatesSenior Project Engineer - BESS
ON.energy
Houston, Texas, United States; United StatesTotal Rewards & People Operations Specialist
ON.energy
Miami, Florida, United StatesBuyer
ON.energy
Mexico City, Mexico City, Mexico