System Administrator
Core
Provide tier 2 and tier 3 user support and administer hybrid on-premises and cloud IT infrastructure for 170 users across 25+ sites.
Role type
Senior System Administrator (Infrastructure & Support)
Builds
Production IT services including server management, network operations, identity governance, and endpoint security.
Domain
Enterprise IT / SMB Network Administration
Deliverable
Production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Windows Server administration, Microsoft 365 management, Active Directory, PowerShell scripting, Group Policy, Microsoft Intune, network infrastructure (switches, firewalls, VLANs), SQL Server maintenance, ESXi, iSCSI SAN, VoIP/PBX support, backup systems, security policy enforcement, ticketing systems, automated monitoring tools.
Preferred skills
CCNA/CCNP, Microsoft role-based certifications, MSP or consulting background, Meraki firewall/VPN, Bluebeam Revu, Procore, Autodesk.
Technologies
Active Directory, Cloud Firewall, Microsoft 365, Microsoft Intune, Network, PowerShell, SQL, Security, SMB, VPN, VMware, Windows, Office 365, Azure, SharePoint
Responsibilities
Administer, configure, maintain, and back up servers in hybrid environments; manage network infrastructure including switches, firewalls, and VLANs; oversee Microsoft 365, Exchange Online, and Entra ID including identity, access control, and security policies; manage endpoint management and software deployment via Intune; support PBX/VoIP and Microsoft Teams Phone; handle data backup systems; provide tier 2/3 user support and security awareness training; cross-train with team members; participate in after-hours and on-call coverage.
Seniority
Senior, hands-on IC