Senior IT Systems Architect — Hybrid Cloud, VMware & M365

Housing Authority of Cook County; Chicago (IL); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

Healthcare FSA

Employee Assistance Program

PTO with holidays

401(k) with 6% employer match

Job summary

The Housing Authority of Cook County is seeking a Senior Systems Administrator to oversee the enterprise IT infrastructure, bridging on-premises systems with cloud platforms. You will own VMware vSphere, Windows Server architecture, core identity services, and Microsoft 365 workloads in a hybrid environment.

Responsibilities include designing and administering M365 services, managing Entra ID and security baselines, plus scripting automation with PowerShell and maintaining system documentation.

Qualifications

• Minimum 5 years of hands-on experience administering Microsoft 365 environments, including Intune, Entra ID, Exchange, SharePoint, Teams, and Purview.
• Demonstrated expertise in managing, maintaining, and troubleshooting VMware vSphere, ESXi, and vCenter.

Responsibilities

• Design, implement, and administer Microsoft 365 services including Exchange Online, SharePoint Online, and Teams; manage identity and access via Entra ID.
• Administer VMware vSphere/ESXi and maintain disaster recovery and business continuity.
• Administer Windows Server environments, AD DS, GPO, DNS, DHCP; perform deployments and remote management with PowerShell.
• Develop PowerShell scripts to automate tasks; enforce change management and security baselines; document systems.

Skills

Microsoft 365

VMware vSphere

Windows Server

PowerShell

RMM Tools

Education

Bachelor's degree in IT/CS/related

Tools

VMware vSphere

ESXi

vCenter

Job description

The Housing Authority of Cook County is seeking a Senior Systems Administrator to oversee the enterprise IT infrastructure, bridging on-premises systems with cloud platforms. You will own VMware vSphere, Windows Server architecture, core identity services, and Microsoft 365 workloads in a hybrid environment.

Responsibilities include designing and administering M365 services, managing Entra ID and security baselines, plus scripting automation with PowerShell and maintaining system documentation.