ON Energy Storage

End-to-end battery storage development with AI

OT Systems Engineer

Network Engineering & AdministrationConfirmed live in the last 24 hours

Full-time

About the Job

Requirements

Experience deploying operational technology or industrial networks in the field in power, renewables, utilities, manufacturing, oil and gas, or similar environments.
Strong understanding of TCP/IP networking fundamentals in operational environments.
Hands-on experience with industrial networking equipment, including switches, routers, and firewalls.
Familiarity with SCADA, programmable logic controllers, human-machine interfaces, energy management systems, or industrial control systems.
Ability to troubleshoot across network, software, and controls boundaries.
Comfort working in commissioning environments with incomplete information and time pressure.
Willingness to travel to project sites during deployment phases.

Responsibilities

Deploy and configure operational technology network infrastructure for battery energy storage system projects, including switches, routers, firewalls, cellular devices, and site communications equipment.
Support commissioning activities by ensuring reliable connectivity between energy management systems, power conversion systems, battery management systems, protection relays, meters, and SCADA systems.
Configure network segmentation, virtual local area networks, routing, and secure remote access for operational technology environments.
Troubleshoot network and communication issues during commissioning and early operations.
Work with Deployment Engineers, Controls Engineers, energy management system teams, and Field Commissioning teams to resolve system integration issues.
Support site bring-up, factory acceptance testing, site acceptance testing, and handover to service teams.
Document site network architectures, configurations, and as-built drawings.
Contribute to developing standardized network designs, templates, and deployment procedures.
Support remote monitoring, data acquisition, and secure connectivity to central monitoring platforms.
Travel to project sites as required during deployment and commissioning phases.

Desired Qualifications

Experience with utility-scale battery energy storage systems, solar, wind, or substation environments.
Experience with cellular networking, virtual private networks, and secure remote access for operational technology systems.
Familiarity with IEC 61850, Modbus, DNP3, or similar protocols at a high level.
Experience supporting commissioning teams in the field.
Background bridging information technology networking concepts into operational technology environments.

ON.energyis 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: Remote with up to 50% required travel to project sites

Role Summary

The OT Systems Engineer is responsible for deploying, configuring, and supporting operational technology (OT) networks for utility-scale Battery Energy Storage System (BESS) projects. This role is critical to successful commissioning and system handover, ensuring reliable communications between control systems, EMS, PCS, BMS, SCADA, and remote monitoring platforms.

This is a field-facing, deployment-oriented role focused on bringing new projects online.

Key Responsibilities

Deploy and configure OT network infrastructure for BESS projects, including switches, routers, firewalls, cellular devices, and site communications equipment
Support commissioning activities by ensuring reliable connectivity between EMS, PCS, BMS, protection relays, meters, and SCADA systems
Configure network segmentation, VLANs, routing, and secure remote access appropriate for OT environments
Troubleshoot network and communication issues during commissioning and early operations
Work closely with Deployment Engineers, Controls Engineers, EMS teams, and Field Commissioning teams to resolve system integration issues
Support site bring-up, factory acceptance testing (FAT), site acceptance testing (SAT), and handover to service teams
Document site network architectures, configurations, and as-built drawings
Contribute to the development of standardized network designs, templates, and deployment procedures
Support remote monitoring, data acquisition, and secure connectivity to central monitoring platforms
Travel to project sites as required during deployment and commissioning phases

Required Experience & Skills

Experience deploying OT or industrial networks in the field (power, renewables, utilities, manufacturing, oil & gas, or similar)
Strong understanding of TCP/IP networking fundamentals in operational environments
Hands-on experience with industrial networking equipment (switches, routers, firewalls)
Familiarity with SCADA, PLCs, HMIs, EMS, or industrial control systems
Ability to troubleshoot across network, software, and controls boundaries
Comfortable working in commissioning environments with incomplete information and time pressure
Willingness to travel to project sites during deployment phases

Preferred Experience

Experience with utility-scale BESS, solar, wind, or substation environments
Experience with cellular networking, VPNs, and secure remote access for OT systems
Familiarity with IEC 61850, Modbus, DNP3, or similar protocols (high-level understanding)
Experience supporting commissioning teams in the field
Background bridging IT networking concepts into OT environments

What Success Looks Like (6–12 Months)

New BESS sites are brought online with stable, secure network connectivity
Commissioning timelines are supported, not delayed, by network readiness
Network issues are resolved quickly and collaboratively during deployment
Site documentation and standards improve over time
Field and commissioning teams trust this role as a reliable partner

#LI-JW1

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: 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.

Agency Notice:ON.energy 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 ON.energy. No placement fees or compensation will be paid for unsolicited candidate submissions.

About the Company

ON Energy Storage

End-to-end battery storage development with AI

On.Energy Storage develops and manages end-to-end energy storage projects, focusing on grid-scale BESS and C&I peak-shaving for utilities, airports, and commercial & industrial customers. Its turnkey approach covers planning, construction, operation, and in-house financing, serving as a single point of responsibility for clients. The company uses On.Command, an AI-powered software for design, forecasting, control, and dispatch, with in-house analytics for real-time monitoring and optimization. It uses a technology-agnostic approach, applying the latest battery and power electronics to enable grid services like frequency regulation, energy arbitrage, and renewable integration, with a goal to scale deployments across North America and Latin America.

Company size: 201-500
Company stage: Debt Financing
Total funding: $262.6M
Headquarters: Miami, FL
Founded: 2016

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