Server Administrator
4 days ago
New York
Job Description We are seeking an experienced Senior Server Administrator with at least 8 years of hands-on experience managing enterprise server infrastructure. This role is responsible for the administration, maintenance, monitoring, and support of VMware virtualization platforms, Windows Server environments, enterprise storage systems, backup platforms, and related infrastructure services. The ideal candidate is a strong technical operator who can support day-to-day infrastructure needs while also helping improve reliability, performance, security, and long-term architecture. Key Responsibilities • Administer, maintain, and support Windows Server environments, including physical and virtual servers., • Manage and troubleshoot VMware vSphere / ESXi / vCenter environments., • Support enterprise storage systems, including SAN, NAS, iSCSI, and Fibre Channel environments., • Monitor server, storage, and virtualization performance, capacity, availability, and health., • Perform server builds, patching, upgrades, migrations, and lifecycle management., • Manage Active Directory-related server services, including DNS, DHCP, Group Policy, file services, and authentication dependencies., • Support backup and disaster recovery platforms, including job monitoring, restores, and recovery testing., • Troubleshoot server, storage, network, and application infrastructure issues., • Maintain system documentation, diagrams, runbooks, and operational procedures., • Assist with infrastructure projects, including server migrations, storage upgrades, virtualization improvements, and cloud/hybrid initiatives., • Ensure systems are configured according to security, compliance, and operational standards., • Participate in change management, incident response, and after-hours maintenance windows as needed., • Work closely with help desk, network, cybersecurity, application, and vendor teams to resolve issues and deliver projects. Required Qualifications • Minimum 8 years of experience in server administration, infrastructure support, or systems engineering., • Strong hands-on experience with Windows Server administration., • Strong experience with VMware vSphere, ESXi, and vCenter., • Experience managing enterprise storage systems, including SAN/NAS technologies., • Experience with server hardware, RAID, firmware, drivers, and hardware lifecycle management., • Solid understanding of Active Directory, DNS, DHCP, Group Policy, file shares, NTFS permissions, and Windows security., • Experience with backup and recovery technologies, such as Veeam, Commvault, Rubrik, Cohesity, or similar platforms., • Ability to troubleshoot complex infrastructure issues across servers, virtualization, storage, backups, and networking., • Familiarity with monitoring tools and alerting platforms., • Strong documentation, communication, and problem-solving skills., • Ability to work independently, prioritize tasks, and support business-critical systems.