Senior Electrical Engineer – Battery Systems, Controls & EMS Integration

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 softwaredevelops projects worldwide that set new benchmarks for resilience.

Location: Tysons VA / Atlanta GA / Miami FL / East Coast

Schedule: Hybrid in Tysons (or) regular visits to Tysons if East Coast

Travel: 25-30% required travel (outside of travel to Tysons)

As a Senior Electrical Engineer Battery Systems Controls & EMS Integration you will 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. Reporting to the Chief Electrical Engineer you will 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. This is a highly collaborative role that combines advanced engineering analysis controls expertise and operational optimization to shape the future of large-scale energy infrastructure.

Key Responsibilities:

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

Python VS Code Jupyter Notebooks Git

Required Qualifications:

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.

Battery & Controls Expertise: 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.

Systems Integration: Proven ability to lead EMS and Plant Controller integration efforts including SCADA configuration and operational optimization for BESS deployments.

Software Proficiency: Working knowledge of Python VS Code Jupyter Notebooks and Git for engineering analysis and operational analytics.

Communication: Ability to coordinate effectively with EMS vendors controls engineers and cross-functional teams to deliver reliable and optimized energy storage solutions.

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For US-based roles - What youll 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 youll 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.
• Accommodations: If you need an accommodation during the application process email
• Benefits vary by role and location and are subject to change.

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