Description We are looking for an experienced Systems Engineer to support and enhance a complex enterprise infrastructure environment in Illinois. This long-term contract position is ideal for a hands-on specialist who can manage core Microsoft, virtualization, and cloud technologies while maintaining stability, security, and operational efficiency. The role will focus on Windows systems engineering, hybrid identity administration, platform upgrades, and infrastructure automation across on-premises and Azure environments.

Responsibilities:
• Administer and improve enterprise Windows Server infrastructure, ensuring reliable performance, security, and alignment with operational standards.
• Lead VMware vSphere lifecycle activities, including environment assessments, version upgrades, and workload movement to alternate hypervisor platforms when required.
• Manage Active Directory in complex multi-forest environments, including organizational unit structure, delegated adm...