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About the Role
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.
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
Requirements
- 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
Skills
- TCP/IP networking
- Industrial networking equipment
- SCADA
- PLCs
- HMIs
- EMS
- Industrial control systems
- Cellular networking
- VPNs
- Secure remote access for OT systems
- IEC 61850
- Modbus
- DNP3
Location
- Remote
Work Type
- Remote
- Field-based travel
Experience Level
- Field experience
- Commissioning experience
Salary/Compensations
- Competitive salary + annual performance-based bonus eligibility
Benefits
- 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
- Professional development and growth opportunities
- Opportunity to grow with a mission-driven team shaping the future of clean energy
About the Company
- 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.
Equal Opportunity
- ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.