Senior IT Engineer - Active Directory Administrator

A Senior IT Engineer – Active Directory Administrator at NiSource will lead the design, administration, security, and optimization of the enterprise Windows Server and Active Directory environment. The role owns management and maintenance of AD services and related infrastructure (Group Policy, DNS, DHCP, PKI), virtualization, and enterprise patching/vulnerability remediation using tools like Qualys, Tanium, and BigFix. The position supports compliance, system hardening, and automation efforts across a large enterprise environment.