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ON.energy · 1 day ago

Controls Engineer

Alpharetta, GA

Full-time

Onsite

Mid Level

ON.energy is building the power infrastructure that makes the AI era possible, providing a new class of power technology for utility-scale Battery Energy Storage System (BESS) projects. The Controls Engineer will be responsible for deploying, configuring, and supporting control systems to ensure reliable operation and integration of control systems with various site networks.

AnalyticsEnergyEnergy ManagementEnergy StorageRenewable EnergySoftware

Responsibilities

Deploy, configure, and support Siemens PLC-based control systems for BESS projects

Support commissioning activities including system bring-up, integration testing, and site acceptance testing (SAT)

Troubleshoot PLC logic, communications, and I/O issues during commissioning and early operations

Integrate PLCs with EMS, PCS, BMS, protection relays, meters, and SCADA systems

Support communication protocols such as Modbus TCP/RTU, IEC 61850 (as applicable), and other OT interfaces

Collaborate closely with Network Engineers, Deployment Engineers, EMS teams, and Field Commissioning teams

Support factory acceptance testing (FAT) and field commissioning activities

Assist with developing standardized PLC configurations, templates, and commissioning procedures

Review and validate control system documentation, drawings, and as-built configurations

Travel to project sites during deployment and commissioning phases as required

Qualification

Siemens PLC platformsIndustrial control systemsPLC-based control architecturesIntegration with EMS/SCADATroubleshooting controlsNetworkingWillingness to travelCybersecurity considerationsFast-paced environmentCollaboration with teams