EMS Systems Analyst Sr

Job Responsibilities

• Plan and execute system software upgrades, configurations, and application releases for the Grid and Market Solutions (GMS) suite, including ICCP/SCADA, EMS, VSAT/TSAT, PMU, Itron Load Forecast, OTS, PI, NMMS, MMS, OS, CRR, and other GMS tools.
• Perform non‑functional testing, patch implementations, migrations, and database updates in GMS environments.
• Provide 24/7 on‑call technical support, emergency recovery, and troubleshoot GMS applications and interfaces.
• Monitor system performance, analyze metrics such as CPU, memory, and storage, identify design problems, and drive resolution, including use of monitoring tools.
• Collaborate with Operations Engineering, Market Operations, and other business units during acceptance testing of new or enhanced applications.
• Maintain documentation, administer GMS systems, and deliver user training and support.
• Participate in GMS disaster‑recovery drills, certify and implement changes in production and test environments.
• Plan, deploy, and manage containerized GMS applications utilizing CI/CD integration tools (Ansible, Jenkins, Jfrog, Git Hub, etc.).
• Develop and implement integration layers, messaging services, and platform integrations to improve GMS reliability.

• Virtually monitor GMS systems and applications and perform regular maintenance activities.
• Coordinate and perform database updates and upgrades across GMS environments.
• Assist operations engineering and market operations during acceptance testing of new and enhanced applications.
• Support effective use and administration of GMS systems by preparing technical documentation.
• Perform patch implementations and migrations in GMS systems.
• Set up and test systems with market participants as needed.
• Respond to system failures and operator questions on a 24/7 on‑call rotation.
• Work with market participants to resolve problems and implement changes.
• Perform emergency recovery and troubleshooting of GMS systems and applications.
• Maintain real‑time data collection to support GMS systems and applications.
• Maintain, troubleshoot, and repair GMS systems, applications, and interfaces.
• Use system data metrics (CPU, memory, NFS storage) to troubleshoot GMS issues.
• Proactively identify design problems and drive resolution.
• Participate in GMS disaster‑recovery drills and certify changes to production and test environments.
• Interface with ERCOT QSEs on a regular basis for communication tests and support.
• Analyze system performance and recommend business enhancements.
• Represent GMS Production Department at inter‑departmental meetings.
• Work with vendors to clarify GMS capabilities, requirements, and resolve issues.
• Perform systems maintenance and improvement activities to support GMS effectiveness.
• Participate in planning and evaluating the impact of system modifications and maintenance activities.
• Enhance GMS systems and application monitoring to improve reliability.
• Train and support users on all aspects of GMS and related applications.
• Participate in industry meetings and discussions related to GMS technologies.
• Provide training or supervise less‑experienced systems analysts.
• Act as mentor and advisor to less‑experienced engineers/analysts.
• Work independently on assignments and projects.
• Collaborate with multifunctional teams to obtain input and address comments.
• Assist in developing tools, processes, and procedures that enhance system reliability.
• Participate with other ERCOT departments to select and implement system changes.

• Experience with one of the vendors (GE, Siemens, Hitachi Energy/ABB, Resource Innovations, OSI Inc.) and systems such as EMS, MMS, or Outage Management Systems.
• Experience with AVEVA PI Historian, Web Tools, and power‑grid technologies.
• Proficiency in XML, Java, CSS/HTML, JSON, and web technologies.
• Experience with Oracle PL/SQL and Microsoft/SQL‑Server databases.
• Experience with Azure/AWS cloud technologies and container platforms (Linux Open Shift, Docker, Kubernetes).
• Experience developing integration layers using messaging services (Tibco JMS, AMQ).
• Programming language skills: FORTRAN, C, C++, Java, Perl, Python, and PL/SQL.
• Proficiency in shell scripting and CI/CD…