Listing evidence and provenance
- Source
- Greenhouse View original listing
- Freshness
- Open in the current public read path; this is not an employer guarantee.Last observed October 5, 2026
- Classification
- Modern power-system classification not yet published for this listing.Legacy source industry field: Energy Management
- Pay provenance
- Estimated benchmark; not employer-provided
Job Description
The OT Systems Engineer is responsible for deploying, configuring, and supporting operational technology (OT) networks for utility-scale Battery Energy Storage System (BESS) projects.
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
Requirements
- 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
Ready to Apply?
Apply directly on ON.energy's site
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