Server Administrator L2

Key Responsibilities 1. Windows Server Administration Advanced Troubleshooting: Perform Root Cause Analysis (RCA) for recurring issues; analyze event logs and system errors to implement permanent remediations. Lifecycle Management: Plan and execute patching cycles (including rollback strategy) and perform firmware/driver updates. Configuration: Manage Windows services, dependencies, scheduled tasks, and implement baseline hardening policies. Storage: Execute disk/volume expansions and cleanup; troubleshoot complex OS-level network integration. 2. VMware & Virtualization Host Management: Execute vCenter and ESXi host patching, maintenance, and cluster-level performance tuning. VM Lifecycle: Manage datastore capacity, VM placement, templates, and snapshots. Networking: Configure and troubleshoot vSwitches, port groups, and vMotion failures. Optimization: Analyze performance reports for clusters and hosts to identify bottlenecks. 3. Backup & Recovery Operations Incident Resolution: Investigate and resolve complex backup job failures and performance issues. Policy Management: Manage backup schedules, retention policies, and job tuning. Restoration: Execute on-demand restorations with full validation; coordinate tape rotation and vaulting. Compliance: Generate backup health and compliance reports for audit requirements. 4. Linux Administration System Maintenance: Apply OS patches, manage LVM (Logical Volume Management), and handle filesystem growth/shrinkage. Fault Resolution: Troubleshoot kernel panics, failed services, and filesystem errors using syslog and journalctl. Automation: Configure cron/systemd jobs and manage SSH configurations for basic hardening. Recovery: Lead recovery efforts for failed boot sequences or critical service scenarios. 5. Active Directory & Identity Policy Management: Design and manage Group Policy Objects (GPOs) and Organizational Unit (OU) structures. AD Health: Troubleshoot complex authentication, replication, and DNS issues; perform regular Domain Controller maintenance. Object Management: Clean up stale objects and manage service accounts, SPNs, and DFS namespaces. 6. Documentation, Reporting & DR Process Maturity: Maintain and update Standard Operating Procedures (SOPs), runbooks, and Knowledge Base (KB) articles. Operational Health: Prepare weekly and monthly infrastructure health reports. Business Continuity: Actively participate in Disaster Recovery (DR) drills and maintain infrastructure recovery documentation. Required Technical Skills OS Platforms: Strong proficiency in Windows Server (2016/2019/2022) and Linux (RHEL/CentOS/Ubuntu). Virtualization: Hands-on experience with VMware vSphere 7.x/8.x. Backup Tools: Experience with enterprise tools (e.g., Veeam, Commvault, or Veritas). Infrastructure Services: Deep understanding of DNS, DHCP, DFS, and Active Directory. Tools: Proficiency in ServiceNow (ITSM) and monitoring tools (e.g., Nagios, Zabbix). Preferred Qualifications Experience: 35 years of experience in Server/DC operations. Certifications: MCSA/MCSE (Windows), VCP (VMware), or RHCSA (Linux) is highly desirable. Shift: Ability to support 24/7 rotational shifts and planned weekend maintenance windows.