Senior Systems Administrator (VMware | Windows Server | M365 | Citrix)
Hybrid: On-site 4 days/week | Remote 1 day/week
30-35 hours a week
3+ months contract (possible extension, possible conversion)
A direct client is hiring a Sr Systems Administrator to support and modernize a highly available hybrid infrastructure environment. This is a hands-on role focused on keeping core systems stable and secure while driving upgrades, improvements, and platform modernization.
Must-Haves:
• VMware (ESXi, vCenter)
• Windows Server
• Microsoft 365 (M365 / Entra ID)
• Citrix (including NetScaler)
What You’ll Do:
• Support Windows Server infrastructure and core services (AD, DNS, DHCP, GPO)
• Administer VMware virtualization (ESXi, vCenter) and support high availability environments
• Support Citrix environments including NetScaler load balancing and application delivery
• Manage Microsoft 365 administration (Entra ID, MFA, Conditional Access)
• Troubleshoot escalated infrastructure issues across servers, networking, storage, and authentication
• Support endpoint management tools like Intune (plus Jamf for Apple devices)
• Participate in patching, upgrades, backups, and disaster recovery planning
• Contribute to infrastructure modernization projects (clusters, migrations, platform upgrades)
Nice to Have:
• Healthcare or regulated industry experience
• SharePoint Online permissions/access troubleshooting
• PowerShell automation
• EMR exposure (Meditech, MatrixCare)
• Mimecast, Wyse thin clients, or VDI experience
If you’re someone who takes ownership, enjoys solving complex problems, and can balance operational support with project work, we’d love to connect.
