GMS System Administrator

Job Summary :

Dexian is seeking a GMS System Administrator for an opportunity with a client located in Austin, TX.

Responsibilities :

• Utilize in-depth knowledge of best practices and experience
• Maintain knowledge of the ERCOT dispatch protocols, as well as support compliance with local, state, and federal reliability and cyber security standards
• Interact with ERCOT, power plants, market participants, and vendor personnel to coordinate and configure data and control communications using telecommunication (ICCP, MODBUS, and DNP) protocols
• Interact with IT infrastructure to configure computer systems and troubleshoot problems and incidents
• Support the compilation of real-time data and respond to data requests from market operations, settlement, and engineering groups
• Monitor real-time system conditions and support investigations of grid events
• Participate in the development, testing, deployment, support, and maintenance of new SCADA / GMS devices, applications, databases, and operator displays
• Participate in the development, testing, and deployment of real-time GMS calculations, and custom monitoring and automation tools
• Monitor system statuses, operations, performance, and event logs, and develop mastery of system level architecture, system configuration, and system operations
• Update system with security, operating system, and application patches. Analyze anti-virus configurations and perform periodic vulnerability scans
• Serve as a key contributor in managing GMS incidents, problems and anomalies including recognition, analysis and resolution.

Perform root cause analysis, control change management and utilize effective communication practices. Make recommendations for new projects to resolve issues associated with assigned area of expertise

Provide administrative support of GMS applications, databases, communications, and workstation and server operating systems.

Review system information parameters, processes, and provide recommendations for system improvement and upgrades

• Ensure awareness and provide input into ensuring GMS is compliant with NERC, FERC and ERCOT Security Critical Infrastructure Protection Standards
• Provide advanced support for system backups, system restorations, and system fail-overs during standard business and non-business hours
• Act as a resource for colleagues with less experience and may direct the work of other staff members

Requirements :

• 9 or more years of experience in operations or administration of a SCADA / GMS or real-time monitoring and control system or relevant experience
• A degree(s) in electrical engineering, computer science, information technology, or relevant field may be substituted per guidelines for certain years of experience
• AspenTech OSI Generation Management System functionality
• Aveva OSIsoft PI application
• ERCOT ICCP Handbook
• ERCOT Protocols
• Background in NERC CIP guidelines
• Familiarity in patching Window and Linux environments

Dexian is a leading provider of staffing, IT, and workforce solutions with over 12,000 employees and 70 locations worldwide.

As one of the largest IT staffing companies and the 2nd largest minority-owned staffing company in the U.S., Dexian was formed in 2023 through the merger of DISYS and Signature Consultants.

Combining the best elements of its core companies, Dexian's platform connects talent, technology, and organizations to produce game-changing results that help everyone achieve their ambitions and goals.

Dexian's brands include Dexian DISYS, Dexian Signature Consultants, Dexian Government Solutions, Dexian Talent Development and Dexian IT Solutions. Visit to learn more.

Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.