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><div> <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.<br><br><br><strong>Role Overview</strong></p> </div> <p>The <strong>Principal Electrical Engineer (Product/Hardware)</strong> is the supreme technical authority for ON.energy’s hardware ecosystem. This role is responsible for the overarching technology roadmap of multi-megawatt Battery Energy Storage Systems (BESS) and high-voltage UPS systems. You will lead the next-generation architecture of 1500VDC topologies and medium-voltage (MV) grid integrations, ensuring perfect, zero-transfer-time uptime for the world’s largest hyperscale AI data centers.</p> <p><strong>Key Responsibilities (What Changes at the Principal Level)</strong></p> <ul> <li><strong>Architectural Ownership:</strong> Define the standard product topologies for modular, utility-scale power platforms. You choose the underlying electrical framework for how the next generation of power electronics, transformers, and switchgear seamlessly combine.</li> <li><strong>Grid Interconnection & ISO Authority:</strong> Serve as the company's leading Subject Matter Expert (SME) on complex ISO/RTO grid codes (such as ERCOT, PJM, and CAISO). You orchestrate how the hardware behaves during transient grid events and voltage ride-through testing.</li> <li><strong>Strategic Vendor & OEM Selection:</strong> Establish strategic technical partnerships with Tier-1 battery (e.g., CATL, Sungrow) and Power Conversion System (PCS) OEMs. You define the custom procurement specifications that OEMs must meet to fit ON.energy's product stack.</li> <li><strong>Ultimate Escalation Point:</strong> Act as the highest engineering escalation point for critical root-cause analysis (RCA) regarding power electronics failures, thermal anomalies, or major system interactions in the field.</li> <li><strong>Regulatory & Compliance Strategy:</strong> Partner with compliance divisions to dictate the testing, listing, and certification roadmaps (such as UL 9540, UL 1741, and NFPA 855) for all new product introductions (NPI).</li> <li><strong>Technical Mentorship:</strong> Drive engineering excellence across the organization, mentoring senior electrical, controls, and project engineers to scale the technical capability of the team.</li> </ul> <p><strong>Required Qualifications & Technical Skills</strong></p> <ul> <li><strong>Education:</strong> Master’s or Ph.D. in Electrical Engineering with a heavy specialization in Power Electronics or Utility Power Systems. A active <strong>Professional Engineer (PE) License</strong> is highly preferred.</li> <li><strong>Experience:</strong> 10 to 15+ years of definitive engineering leadership in utility-scale energy storage, high-voltage data center substations, or large-scale industrial grid tie-ins.</li> <li><strong>Deep Hardware & Controls Synthesis:</strong> Extensive experience modeling battery sizing, degradation lifecycles, and validating how EMS/SCADA plant controllers communicate (via Modbus/DNP3) with localized hardware components.</li> <li><strong>Advanced Simulation Mastery:</strong> Mastery of advanced power system analysis tools (like ETAP, SKM, or PSCAD) to oversee complex short-circuit, protective device coordination, harmonic distortion, and arc flash studies.</li> <li><strong>Advanced Standards Authority:</strong> Beyond knowing the codes, you have a deep history of physically leading products through NRTL (Nationally Recognized Testing Laboratories like UL, CSA, Intertek) certification programs, specifically regarding thermal runaway testing (<strong>UL 9540A</strong>).</li> <li><strong>Executive Communication:</strong> Proven track record of presenting complex technical concepts, risk mitigations, and design optimization strategies directly to C-suite leadership and enterprise cloud/hyperscale clients.</li> </ul> <p> </p><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