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Active Directory Support Engineer

Job in Toronto, Ontario, C6A, Canada
Listing for: Tata Consultancy Services
Full Time position
Listed on 2026-06-19
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity, Systems Engineer, IT Support
Salary/Wage Range or Industry Benchmark: 90000 - 110000 CAD Yearly CAD 90000.00 110000.00 YEAR
Job Description & How to Apply Below

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.

JD Skills Required
  • Security Hardening:
    Implement and enforce AD security best practices (e.g., securing LDAP channels, disabling legacy protocols like NTLM, and managing privileged accounts).
  • Migration/Upgrades:
    Proven experience with AD migrations (e.g., functional level upgrades, domain consolidations) or Windows Server upgrades.
  • Monitor AD health:
    Oversee domain controllers, replication, and DNS integration to prevent outages.
  • Execute production changes:
    Apply patches, promote domain controllers, and adjust configurations following strict change control processes, primarily scheduled during nights and weekends to minimize business impact.
  • Troubleshoot platform issues:
    Resolve replication delays, authentication failures, or Group Policy conflicts using tools like Repadmin or DCdiag.
  • Support IAM and teams:
    Provide runbooks, guidance, and hands‑on help when IAM or other support teams encounter AD-related issues.
  • Ensure compliance:
    Align AD operations with regulatory standards (e.g., internal policies) and audit requirements.
  • Automate routines:
    Use Power Shell or scripting to streamline tasks like log analysis or system checks.
  • Collaborate cross-functionally:
    Work with cybersecurity, networking, and other teams to support business needs.
  • Document processes:
    Maintain technical guides and share knowledge with the IPEM team.
  • On-call duties:
    Participate in rotations, including nights and weekends, for urgent incidents.
  • Required Experience:

    Active Directory operations (replication, domain controller management, Group Policy infrastructure).
  • Hands-on experience with AD troubleshooting and monitoring tools.
  • Scripting proficiency (Power Shell preferred) for automation.
  • Familiarity with PAM, Zero Trust principles, and CIS benchmarks.
  • Skills & Mindset:
  • Adaptable:
    Shift priorities smoothly in a dynamic setting.
  • Detail-oriented:
    Ensure accuracy in system configurations, compliance checks, and following processes and procedures.
  • Collaborative:
    Build relationships across teams and communicate clearly.
  • Proactive:
    Identify risks and propose solutions.

Salary Range - CA $ 90,000 - CA $ 110,000 Per Year

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