Infrastructure Security Administrator - W2 Only, No 3rd Party

Role: Infrastructure Security AdministratorLocation: Chicago IL, OnsiteDuration: 6 months, with possible extensionsPay rate: $50-60/hour W2, client does not allow C2CJob summary:The Infrastructure Security Administrator, with a security focus, will support, secure, and optimize our enterprise infrastructure. This project-based role focuses on securing and improving Windows server environments, Active Directory, virtualization platforms, and core infrastructure services, while driving security remediation and hardening initiatives across the organization. The ideal candidate will have strong experience administering on-premises systems, implementing security best practices, remediating vulnerabilities, and maintaining secure and reliable IT operations.Required skills:Bachelor's degree in IT, Computer Science, or equivalent experience.3-5 years of experience administering Windows server environments and enterprise infrastructure.Strong experience with Active Directory, Group Policy, DNS, DHCP, and Microsoft infrastructure services.Experience performing vulnerability remediation, security patch management, and system hardening.Experience supporting VMware or Hyper-V environments.Proficiency with PowerShell.Please send resume ASAP.