Senior Electrical Engineer – MV AI UPS Data Centers & Storage

ON.energy; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Salary + bonus eligibility

Health insurance

401(k) with company match

Paid time off

Job summary

ON.energy is seeking a Senior Electrical Engineer to lead MV AI UPS and BESS projects for data centers and grid applications. You will size batteries, validate inverter/PCS performance, and drive EMS, Plant Controllers, and SCADA integrations to ensure reliable energy storage.

Reporting to the Chief Electrical Engineer, you will lead vendor reviews, lifecycle modeling, and cross‑functional collaboration across domestic and international sites with 30% travel.

Qualifications

• 8+ years of electrical engineering experience focused on battery systems and EMS/Plant Controller integration.
• Experience with BESS vendor evaluation and inverter/PCS performance validation.
• Deep knowledge of battery sizing and lifecycle modeling for utility-scale energy storage.
• Experience with EMS/Plant Controller integration, SCADA configuration, and operational optimization.

Responsibilities

• Battery sizing and lifecycle modeling.
• BESS vendor model review and validation.
• EMS and Plant Controller integration.
• SCADA configuration and operational analytics.
• Controls strategy validation and performance optimization.

Skills

Battery sizing

Lifecycle modeling

EMS integration

SCADA configuration

Controls validation

BESS vendor review

Inverter/PCS validation

Tools

PSCAD

MATLAB

Python

VS Code

Jupyter Notebooks

Git

Job description

Senior Electrical Engineer – MV AI UPS Data Centers & Storage

ON.energy 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.

Location: United States, Remote with 30% travel, domestic and international

Travel: 25-30% required travel

As a Senior Electrical Engineer – MV AI UPS Data Centers & Storage 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
• SCADA and operational analytics

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, PCS & 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 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
• 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: ON.energy 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.