Senior Electrical Engineer – MV AI UPS Data Centers & Storage

ON.energy • Alpharetta, GA

8d • Remote

About The Position

ON.energy is building the backbone of energy and AI infrastructure powering grid-safe data centers and mission-critical facilities. The company supplies and operates hyperscale power systems that solve the toughest resilience challenges, delivering custom solutions for AI data centers, mission-critical facilities, and front-of-the-meter assets. ON recently announced a 5GW partnership, with 3GW currently under construction across multiple hyperscale data center campuses. With patented technology and proprietary software, ON.energy develops projects worldwide that set new benchmarks for resilience.

Requirements

• 8+ years of electrical engineering experience, with a focus on battery systems, BESS vendor evaluation, inverter/PCS performance validation, and EMS or Plant Controller integration.
• Deep knowledge of battery sizing, lifecycle modeling, controls strategy validation, and BESS vendor model review in utility-scale energy storage environments including experience with PSCAD and MATLAB.
• Proven ability to lead EMS and Plant Controller integration efforts, including SCADA configuration and operational optimization for BESS deployments.
• Working knowledge of Python, VS Code, Jupyter Notebooks, and Git for engineering analysis and operational analytics.
• Ability to coordinate effectively with EMS vendors, controls engineers, and cross-functional teams to deliver reliable and optimized energy storage solutions.

Nice To Haves

• Python, VS Code, Jupyter Notebooks, Git

Responsibilities

• Provide technical leadership for the design, validation, and optimization of utility-scale Battery Energy Storage System (BESS) projects supporting next-generation data center and grid applications.
• Lead battery sizing, evaluate BESS technologies, validate inverter/PCS performance, and drive the integration of EMS, Plant Controllers, and SCADA systems to ensure reliable, high-performing energy storage solutions.
• Battery sizing and lifecycle modeling
• BESS vendor model review and validation
• EMS and Plant Controller integration
• Controls strategy validation
• Inverter/PCS modeling experience
• SCADA and operational analytics

Benefits

• Competitive salary + annual performance-based bonus eligibility
• Medical, dental, and vision insurance
• 401(k) with company match
• Paid time off and company holidays
• Christmas Bonus (Aguinaldo): 30 days
• Major medical expenses and life insurance
• Paid time off and holidays (per local policy)
• Professional development and growth opportunities
• Opportunity to grow with a mission-driven team shaping the future of clean energy

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed