Senior Systems Administrator
Core
Senior technical escalation point owning critical on-premises IT infrastructure, server administration, and security.
Role type
Senior Systems Administrator
Builds
Maintains system performance, security, and availability; executes technology upgrades and cloud initiatives.
Domain
Enterprise IT Infrastructure
Deliverable
infrastructure
Required skills
Windows Server administration, Active Directory, Group Policy, Microsoft 365 (Exchange Online, Teams, SharePoint), Networking (TCP/IP, DNS, DHCP, VLANs, routing, switching), Virtualization (VMware, Hyper-V), Disaster Recovery, Security solutions
Preferred skills
Cloud platforms experience, Infrastructure project leadership
Technologies
Windows Server, Active Directory, Microsoft 365, VMware, Hyper-V, Firewalls, Switches, Routers, VPNs
Responsibilities
Administer and maintain Windows Server, Active Directory, and Microsoft 365 environments; Manage virtualization platforms, backups, and disaster recovery; Support and optimize network infrastructure; Lead troubleshooting of complex infrastructure and application issues; Contribute to infrastructure upgrades and migrations; Participate in on-call roster
Seniority
Senior, hands-on IC