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# Senior Systems and Network Administrator

- **Company:** Robert Half
- **Location:** North Attleborough, MA, United States
- **Experience:** Expert
- **Salary:** $75,000.0 - $95,000.0
- **Contract:** Temporary contract
- **Skills:** Microsoft Windows, Active Directory, Apple IOS, Microsoft Azure, Cloud Computing, Databases, Dynamic Host Configuration Protocol, Debian Linux, Domain Name System (DNS), Virtual Private Networks (VPN), Network Security, Network Troubleshooting, Linux System Administration, Windows Servers, Networking Basics, Windows PowerShell, Red Hat Enterprise Linux, Azure Active Directory, Microsoft SharePoint, Virtual Local Area Networks, Virtualization Technology, VLAN Trunking Protocol (VTP), Firewalls (Computer Science), Information Technology, Patch Management, SQL Server Management Studio (SSMS), Cisco, Vmware
- **Published:** May 19, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=17c32611d89403eb

## About the Role

Microsoft 365 / Entra ID / Exchange
Windows Server automation
Preferred Background
Prior MSP experience strongly preferred
Linux administration experience (Red Hat or Debian-based) a plus
Familiarity with Copilot, AI-driven automation, or agent-based tools a plus

## Description

Robert Half is hiring for a Senior Systems and Network Administrator to join a client in the Providence, RI area.

This is a newly created role to support a growing pipeline of infrastructure projects. The environment is undergoing a major modernization effort after years of limited investment, including a planned migration to Microsoft Azure and the retirement of legacy virtualization.

This role is ideal for a senior, hands-on "JOAT" infrastructure professional with strong Windows, Active Directory, and networking experience, someone comfortable owning projects end-to-end and partnering with an MSP during a cloud transition before assuming long-term operational ownership.

What You'll Do
Lead and support infrastructure modernization projects (server, network, cloud)
Maintain and improve on-prem and hybrid environments
Act as a senior escalation point for Windows, AD, and networking issues
Support an Azure migration in partnership with an MSP and manage the environment post-implementation
Assist with VMware decommissioning (planned for late Q3/Q4)
Participate in after-hours support as needed
Mentor team members and assist with lower-level support when required

Windows Server & Active Directory
Multi-site Active Directory administration
AD replication health and troubleshooting
Group Policy, Certificate Authority, file services
AD to Entra ID sync (Entra Connect / AAD Connect)
Patch management, OS upgrades, server rebuilds
Cloud & Microsoft 365 (Preferred)
Exposure to Microsoft Azure (infrastructure, backup, DR concepts)

Microsoft 365 administration:
Entra ID (Azure AD)
Exchange Online
SharePoint Online
Teams
Networking & Security
Strong Layer 2/3 networking fundamentals
DHCP, DNS administration

Firewall experience (Meraki preferred):
Rules, traffic flows, site-to-site and client VPNs

Cisco switching and wireless:
VLANs, STP, VTP, IOS
Cisco APs; 9800 WLC a strong plus
Virtualization & Databases
VMware experience (legacy environment)
SQL Server administration and upgrades
Automation & Tooling
Backup and recovery platforms
Endpoint protection / AV tools
RMM tools


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