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We are looking for an Infrastructure and Operations Administrator to support core systems, end-user technology, and enterprise platform administration for a Long-term Contract position based in Chicago, Illinois. In this role, you will help maintain a stable and secure IT environment by managing cloud services, directory services, virtual infrastructure, and workstation support. The ideal candidate brings hands-on systems administration experience, strong troubleshooting ability, and a practical approach to improving reliability, security, and day-to-day operations.
Job Responsibility
Oversee the administration of the Microsoft 365 environment, including account setup, license assignment, and support for Exchange Online, Teams, and SharePoint services
Maintain Active Directory by handling employee onboarding and offboarding, updating group memberships, and managing access permissions across systems
Support VMware vCenter operations through virtual machine deployment, infrastructure monitoring, performance tuning, and issue resolution
Carry out patching activities for Windows and Linux servers and endpoints to keep systems secure, current, and aligned with compliance expectations
Deliver hands-on desktop support by diagnosing and resolving hardware, software, and user access issues in a timely manner
Prepare and deploy workstations for new employees and device replacement initiatives using standardized imaging and configuration procedures
Track system health and operational performance, identifying opportunities to enhance efficiency, automate routine tasks, and reduce recurring issues
Administer Group Policy settings and endpoint configurations to promote consistency, security, and effective device management
Create and maintain clear technical documentation for system configurations, support procedures, and troubleshooting practices
Requirements
Demonstrated experience administering Active Directory environments, including user lifecycle management and permission control
Hands-on knowledge of Microsoft 365 administration across core collaboration and productivity platforms
Strong background supporting Windows Server, Windows 10, and mixed infrastructure environments
Experience working with VMware vCenter for virtual machine management and infrastructure support
Practical expertise in system patching and ongoing maintenance for both Windows and UNIX or Linux systems
Ability to provide end-user desktop support with effective troubleshooting across hardware and software issues
Familiarity with Group Policy, endpoint configuration, and general systems security best practices
Nice to have
Exposure to Citrix technologies is preferred for supporting broader infrastructure and user access needs