Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.Active Directory L3 Support EngineerKey RequirementsActive Directory operations including replication, domain controller management, and Group Policy infrastructureExpertise in security hardening of Active Directory, including securing LDAP channels, disabling legacy protocols such as NTLM, and managing privileged accountsProven experience in Active Directory migrations including functional level upgrades, domain consolidations, and Windows Server upgradesMonitor Active Directory health including domain controllers, replication, and DNS integrationExecute production changes such as patching, domain controller promotion, and configuration updates following strict change control processesTroubleshoot issues such as replication delays, authentication failures,



and Group Policy conflicts using tools like Repadmin and DCdiagProvide support and guidance to IAM and other teams on Active Directory-related issuesEnsure compliance with internal policies, regulatory standards, and audit requirementsAutomate routine tasks using PowerShell scripting including log analysis and system health checksCollaborate with cybersecurity, networking, and cross-functional teamsMaintain documentation and technical guides for processes and operationsParticipate in on‑call rotations including nights and weekends for critical incidentsHands‑on experience with Active Directory troubleshooting and monitoring toolsStrong scripting skills with PowerShellFamiliarity with PAM, Zero Trust principles, and CIS benchmarksSkills & MindsetAdaptable with ability to handle shifting prioritiesDetail‑oriented with strong focus on accuracy and complianceCollaborative with transparent communication across teamsProactive in identifying risks and driving solutionsSalary Range - CA$ 90,000 - CA$ 110,000 Per Year#J-18808-Ljbffr

📌 Active DirectorySupport Engineer (Toronto)
🏢 TATA Consultancy Services
📍 Toronto