Senior Systems Administrator
Core
Administer, monitor, and optimize enterprise server infrastructure across Windows Server and Linux environments, ensuring high availability, performance, and security across physical, virtual, and cloud-hosted systems.
Role type
Senior Systems Administrator
Builds
Enterprise server infrastructure, virtualization platforms, Microsoft 365/Azure services, backup/recovery platforms, and automation scripts.
Domain
IT Operations / Enterprise Infrastructure
Deliverable
infrastructure
Required skills
Windows Server administration, Linux server administration, VMware vSphere/Nutanix AHV, Microsoft Azure IaaS/PaaS, PowerShell scripting, infrastructure-as-code (Terraform/Ansible), enterprise networking, backup and recovery management, monitoring and observability, IT security hardening, ITSM processes.
Preferred skills
Azure Solutions Architect Expert certification, VMware/Nutanix certifications, ITIL 4 Foundation, AI integration in IT operations.
Technologies
Windows Server 2016/2019/2022, RHEL, Ubuntu, CentOS, VMware vSphere/vCenter, Nutanix AHV, Microsoft Azure, Entra ID, Exchange Online, SharePoint Online, Teams, Intune, Active Directory, DNS, DHCP, PKI, Veeam, Commvault, Zerto, NetApp, Pure Storage, Dell EMC, SCOM, Datadog, Dynatrace, Grafana.
Responsibilities
Administer and optimize enterprise server infrastructure; design and maintain virtualization platforms; manage Microsoft 365 and Azure infrastructure services; lead cloud adoption and migration activities; develop infrastructure automation and scripting; manage enterprise storage platforms; maintain monitoring and observability tooling; serve as senior escalation point for complex incidents; mentor junior systems administrators; manage patching and vulnerability remediation; maintain infrastructure documentation.
Seniority
Senior, hands-on IC with mentorship responsibilities