System Administrator (Pakistani National)

We are seeking an experienced System Administrator to manage and support large-scale enterprise infrastructure, including 1,000+ Windows and Linux servers. The role focuses on server administration, patching, vulnerability remediation, security hardening, backup, storage, virtualization, and automation in a 24x7 production environment.Key ResponsibilitiesManage and troubleshoot Windows & Linux servers in production environments.Perform OS and third-party application patching and ensure SLA-based compliance.Remediate vulnerabilities and implement server security hardening.Manage VMware, Hyper-V, and Nutanix environments.Support Veeam/Commvault backup and recovery operations.Administer SAN/NAS storage, VMAX, PowerStore, and LVM.Support Active Directory, DNS, and Exchange OS-level services.Provide OS-level administration across AWS, Azure, and GCP.Support Fortinet and Sangfor firewalls.Automate patching and provisioning using Ansible and Shell scripting.Monitor infrastructure using Splunk, Zabbix, QRadar, Nexpose, and ManageEngine.Handle incidents, troubleshooting, RCA, change management, and audit requirements.Required SkillsRHEL 7/8/9 & Windows Server 2016/2019/2022/2025Active Directory & DNSVMware, Hyper-V & NutanixVeeam & CommvaultSAN/NAS, VMAX & PowerStoreFortinet & SangforAnsible & Shell/BashVulnerability Management & Server HardeningSplunk, Zabbix, QRadar & NexposeStrong troubleshooting and 24x7 production support experience