Design global Active Directory infrastructure in Mississauga with expertise in Windows Server, Group Policy, DNS, and DHCP administration.
TD seeks a senior Active Directory administrator with directly related operations and engineering experience. The position supports global Active Directory and Windows Server environments, including architecture, configuration, upgrades, and security. Candidates apply logical problem solving while delivering enterprise solutions with stakeholders and technical teams.
Key Responsibilities: Design global Active Directory infrastructure and domain consolidation projects
Plan domain upgrades and configure Group Policy Objects
Support DNS, DHCP, Windows infrastructure, and distributed networks




Oversee Active Directory backup and recovery architecture
Provide technical expertise to Tier 1, 2, and 3 support
Requirements: Expert Active Directory architecture and management knowledge
Expert DNS, DHCP, Group Policy, PKI, and Certificate Services knowledge
PowerShell scripting ability
Bachelor’s degree or equivalent technical education and experience
Four or six-plus years of directly related experience
Apply Active Directory, Windows Server, Group Policy, DNS, and DHCP expertise to TD’s global technology workplace.

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📌 Senior Active Directory Administrator (Ontario)
🏢 TD
📍 Ontario