System Administrator

Key Roles & Responsibilities

Essential Skills and Competencies:

• Manage and administer Windows (2008, 2012, 2016, and 2019) and Linux (RHEL 7.X, 8.X and 9.X) servers
• Support and manage server virtualization, server provisioning, physical server maintenance, security compliance and the daily operation of the control system environments
• Maintain the physical server lifecycle including provisioning, maintenance, and decommissioning of the hardware
• Maintain the virtualized server environment via configuration, implementation, management and support activities
• Maintain the VMware VDI environment via configuration, implementation, management and support activities
• Maintain security baseline compliance via configuration, implementation, and remediation activities; report on compliance via routine compliance and audit tasks
• Monitor the server infrastructure environment health status, service performance, and utilization; report on trends and anomalies
• Implement and maintain continuous compliance to information security policies, North American Electric Reliability Corporation (NERC) Critical Infrastructure Protection (CIP), and technical standards; report and provide remediation around non-compliances
• Apply regular security patches and software updates
• Provide tier-3 engineering support as well as business continuity support for control system infrastructure
• Collaborates with application, network, security and functional team that support Control System tools and applications
• Participates in on call Control System support rotation cycle

Technical Skill Requirement

• Core experience in Windows, Active Directory, VMware vSphere and vRealize Suite, vRealize Automation (vRA), vRealize Orchestrator (vRO), Horizon View administration, Nutanix, and Linux in a global and heterogeneous environment
• Good Understanding of Virtualization technology (Hyper-V and VMware)
• Good hands-on experience in diagnostics and troubleshooting of above-mentioned technologies and product suites
• Good understanding of highly available and disaster recovery environments
• Experience in performance tuning of VMware servers and Virtual sessions and management of server resources for both physical as well as between virtual machines
• Experience and expertise on Active Directory, DNS, DHCP, IIS, ADFS, Group Policies, and FTP & SFTP
• Ability to implement AD infrastructure. Proficient in doing Recovery of AD Domain Controllers, DNS, WINS, DHCP servers
• In-Depth knowledge of Domain Controller replication configurations
• Good Exposure to Group Policies creation, their testing and implementation
• Should have good knowledge and troubleshooting skills on MS clusters and load balancing
• Strong in file and print server management; knowledge in Windows Security
• Excellent in PowerShell scripting and task automation work with measurable outputs and operational efficiencies
• Overall knowledge and understanding of data center environments, physical hardware placements, racking, cabling, etc.
• Good at dealing with hardware and OEM vendors for support and troubleshooting purpose for hardware break fix and large platform/server upgrades/migration is required