Sr. System Administrator

Senior System Administrator Location: Chennai Experience: 10+ Years Job Summary We are looking for a skilled Senior System Administrator to manage and maintain enterprise infrastructure across Windows Server, VMware virtualization, and enterprise storage environments . The role will be responsible for ensuring high availability, performance, security, and reliability of IT infrastructure supporting business operations. Key Responsibilities Windows Server Administration Install, configure, maintain and troubleshoot Windows Server environments. Administer Active Directory, Group Policy, DNS, DHCP and File Services . Resolve server-related incidents and access issues. VMware Administration Manage VMware vSphere, ESXi and vCenter environments. Perform VM migrations using vMotion . Manage snapshots and optimize VM resources. Storage Administration Manage enterprise SAN/NAS storage environments. Work with storage platforms such as Dell EMC, NetApp, HPE or equivalent . Configure and manage LUNs, RAID, storage allocation and replication . Monitor storage performance and capacity. Support storage integration with backup environments. Compliance & IT Operations Ensure infrastructure adherence to IT security policies and organizational standards. Support internal/external audits and compliance requirements, including ISO/SOX where applicable . Maintain infrastructure documentation, configurations and change records. Ensure patch compliance and vulnerability remediation . Support IT governance and implementation of standard operating procedures. Required Skills Strong hands-on experience in Windows Server Administration . Good experience with Active Directory, Group Policy, DNS and DHCP . Hands-on experience with VMware vSphere, ESXi and vCenter . Practical knowledge of vMotion, VM snapshots and resource management . Experience with SAN/NAS storage administration . Knowledge of LUN, RAID, storage allocation and replication . Experience with infrastructure patching and vulnerability remediation. Good troubleshooting and incident-resolution skills. Good communication and documentation skills. Exposure to Linux administration . Education & Experience Bachelor's degree in Computer Science, Information Technology, Electronics or related field ; B.Tech/B.E/BCA/MCA or equivalent preferred. 10+ years of relevant infrastructure/system administration experience. Good to Have Microsoft MCSA / MCSE / AZ-800 / AZ-801 VMware VCP – Data Center Virtualization Dell EMC / NetApp / HPE Storage certifications ITIL Foundation Key Technologies Windows Server | Active Directory | GPO | DNS | DHCP | VMware | ESXi | vCenter | vSphere | vMotion | SAN | NAS | Dell EMC | NetApp | HPE Storage | LUN | RAID | Replication | Linux | Patch Management | Vulnerability Management