On.Energy is a Miami-headquartered independent power producer that develops, integrates and operates AI-driven battery energy storage systems across the Americas.
<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><p>We’re looking for a <strong>Principal Compliance Engineer</strong> with deep expertise in regulatory requirements, codes, and certification processes applicable to BESS, power electronics, and electrical distribution systems e.g. panelboards, switchboards, etc.. This is a product-focused and cross-functional role responsible for ensuring that our systems meet all applicable North American and international standards, as well as ISO/RTO interconnection and market requirements. You will serve as the internal authority on compliance, working closely with product, R&D, and project engineering teams to ensure designs are certifiable, deployable, and aligned with evolving regulatory frameworks.</p> <p><strong>Key Responsibilities:</strong></p> <ul> <li>Lead compliance strategy and execution for BESS, DC cabinets, inverters, and related power, controls /IT equipments.</li> <li>Interpret and apply standards such as UL, CSA, IEEE, IEC, and NFPA to product and project designs.</li> <li>Act as the subject matter expert on ISO/RTO regulatory requirements (e.g., interconnection, grid codes, testing protocols).</li> <li>Define and manage certification roadmaps for new and existing products.</li> <li>Coordinate and support product testing and certification activities, including UL listings, field evaluations, and special inspections.</li> <li>Develop and maintain with Technical Writer compliance documentation, including test plans, reports, and certification packages.</li> <li>Work directly with NRTLs and certification bodies to facilitate approvals and resolve technical issues.</li> <li>Support engineering teams by ensuring designs meet code and standard requirements from early development stages.</li> <li>Review and validate test procedures and results, including electrical, thermal, environmental, and safety testing.</li> <li>Support project teams during AHJ reviews, permitting, and commissioning, addressing compliance-related questions.</li> <li>Monitor and interpret regulatory changes and emerging standards, ensuring proactive alignment of products.</li> </ul> <p><strong>Required Skills & Experience:</strong></p> <ul> <li>Bachelor’s degree in Electrical Engineering, Mechanical Engineering, or related field.</li> <li>10+ years of experience in compliance, certification, or regulatory engineering for BESS, power electronics, or industrial electrical systems.</li> <li>4+ years experience with working knowledge of key standards, including: <ul> <li>UL (e.g., UL 9540, UL 9540A, UL 1741, UL 508A)</li> <li>CSA standards for electrical equipment</li> <li>IEEE standards related to power systems and interconnection</li> <li>IEC standards for international compliance</li> <li>NFPA (e.g., NFPA 855)</li> </ul> </li> <li>Deep understanding of test procedures and certification processes, including safety, thermal runaway, environmental, and performance testing.</li> <li>Familiarity with ISO/RTO requirements (e.g., ERCOT, PJM, CAISO, MISO) and grid interconnection standards.</li> <li>Experience working with NRTLs (e.g., UL, CSA, Intertek) and managing certification programs.</li> <li>Ability to interpret and apply codes, standards, and regulatory language into practical engineering requirements.</li> <li>Strong communication skills across engineering, regulatory authorities, and external certification bodies.</li> <li>Project Management skills.</li> </ul> <p>Preferred Experience:</p> <ul> <li>Experience with utility-scale and/or C&I BESS deployments.</li> <li>Direct involvement in UL 9540A fire testing, LSFT or similar safety validation programs.</li> <li>Knowledge of utility -scale inverter compliance requirements.</li> <li>Experience supporting permitting and AHJ engagement in the U.S.</li> <li>Background in quality systems or regulatory audits.</li> </ul><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:recruitment@onenergystorage.com">recruitment@onenergystorage.com</a></li> <li>Benefits vary by role and location and are subject to change.</li> </ul></div>