[Remote] Senior Systems Administrator (4 Days Onsite / 1 Remote)

Note: The job is a remote job and is open to candidates in USA. Farrell Fritz, P.C. is seeking a Senior Systems Administrator to support and enhance their internal IT infrastructure. This hands-on technical role involves managing Windows Server, Active Directory, VMware, Microsoft 365, and core network systems in a professional services environment. Responsibilities • Administer and maintain Windows Server , Active Directory , DNS, DHCP, and Group Policy • Manage VMware vSphere/vCenter environments (resource tuning, HA/DRS, provisioning) • Support Microsoft 365 (Exchange Online, Teams, security/compliance settings) • Assist with network administration , including VLANs, VPNs, routing/switching • Support firewall configuration and remote access (SonicWall experience a plus) • Serve as Tier 3 escalation for complex systems and infrastructure issues • Participate in infrastructure upgrades, cloud integrations, and security hardening efforts • Maintain system documentation, runbooks, and standard operating procedures Skills • 5–10 years of hands-on experience in Systems Administration or Systems Engineering • Strong experience with Windows Server & Active Directory • Proficiency with VMware vSphere/vCenter in production environments • Experience managing Microsoft 365 in a hybrid AD environment • Strong grasp of networking fundamentals (TCP/IP, VLANs, VPNs) • Experience with PowerShell scripting/automation • Clear communication skills and strong documentation habits • SonicWall, Cisco, or Meraki networking experience • Previous experience in professional services IT (legal, finance, consulting, etc.) • Relevant certifications (Microsoft, VMware, CompTIA, etc.) Company Overview • Farrell Fritz is a law firm that offers legal services in corporate, banking, and real estate matters. It was founded in 1967, and is headquartered in Albany, New York, USA, with a workforce of 51-200 employees. Its website is Apply tot his job