Provides technical support, system administration, and maintenance for the Energy Management System (EMS) and its ancillary systems and applications. The role supports EMS upgrade systems through testing cycles, integrates and maintains EMS applications, and helps maximize system uptime and mitigate failures. It analyzes user requirements, procedures, and problems to automate or improve EMS, and participates in evaluating how system modifications and maintenance activities may affect grid operations. The position works with business and technical leads, project managers, the EMS vendor, client GMS development teams, and GMS Applications Engineering teams. It also supports testing, defect resolution, application releases, documentation, recovery, and ongoing maintenance. The role reports to the Supervisor of Grid & Market Solutions (GMS) Systems Support Team and responds to system failures and operator questions on a 24/7 basis.