Job description
is setting the standard for large load interconnection. ON’s patented AI UPS™ is a medium-voltage UPS that serves as a firewall, protecting the data center from the grid, and the grid from the data center. With multiple gigawatts currently under construction, we are enabling grid-safe data centers.
We are seeking a **Principal Electrical Engineer** to serve as a technical leader across 's product portfolio. This is a **product-focused, senior individual contributor role** requiring breadth across **power systems, electrical design, systems integration and electrical codes and standards**. You will set electrical engineering technical direction, lead complex design work, establish electrical standards, and mentor engineering teams across the Hardware Engineering team.
**What You'll Do**
- Serve as the **technical authority** for electrical system design across product lines.
- Lead **electrical architecture design** including power distribution, protection coordination, grounding strategy, surge protection and overall electrical system integration.
- Support design verification through domain **electrical design standards, specifications, and review frameworks** for the product portfolio e.g. NFPA 70, IEEE, ANSI and UL standards.
- **Stablish verification methods** to demonstrate electrical design compliance to technical requirements e.g. analytical, simulation or testing.
- Perform and review **electrical calculations, load flow, short circuit, arc flash, protection, EMI, voltage surge studies**.
- **Lead** **design reviews and support root cause analyses** for both new product development and field issues.
- **Compile and validate product technical information packages** including but not limited to SLDs, specs, and compliance documentation.
- Recommend **vendors, components, and design approaches** for key electrical equipment.
- Mentor and develop senior and mid-level electrical engineering knowledge across Hardware Engineering team.
**Required Qualifications**
- Master's or Ph.D. in Electrical Engineering
- **10 to 15+ years** of electrical engineering experience in electrical systems analysis, energy storage, or industrial applications.
- Expert knowledge of **electrical power systems analysis, protection schemes, and grounding/bonding, EMI and overvoltage phenomena.**
- Proven ability to produce and review **SLDs, schematics, and electrical specifications** at product level.
- Strong familiarity with **NEC, IEEE, IEC, and UL standards** applicable to electrical equipment.
- Excellent communication skills across technical and executive audiences.
- Willing to travel up to 20% for prototype testing and product commissioning.
**Preferred Plus**
- PE license or equivalent certification.
- Background in **data center electrical backbone design.**
- Experience with UL9540, NFPA 855, UL1741, UL1778 and other related battery storage standards.
- Experience with **battery systems, power electronics, UPS, or mission-critical power** system design.
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**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: 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.
**Agency Notice:** does not accept unsolicited resumes from staffing agencies, search firms, or third-party recruiters. Resumes submitted without a fully executed Master Services Agreement (MSA) and a written request from an authorized member of our Talent Acquisition team will be considered the property of . No placement fees or compensation will be paid for unsolicited candidate submissions.