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Active Directory Support Engineer

Company

Astra North Infoteck Inc.

Location

Toronto, ON

Posted

June 03, 2026

Position Overview

Job Summary We are seeking an experienced Active Directory Support Engineer to support and maintain enterprise-level AD infrastructure. The ideal candidate will have strong expertise in AD operations, security hardening, troubleshooting, and automation, along with the ability to work in a fast-paced, production environment. Key Responsibilities Security Hardening: Implement and enforce Active Directory security best practices, including securing LDAP channels, disabling legacy protocols (e.g., NTLM), and managing privileged accounts. Migration & Upgrades: Lead and support AD migrations, functional level upgrades, domain consolidations, and Windows Server upgrades. AD Health Monitoring: Monitor domain controllers, replication processes, and DNS integration to ensure high availability and prevent outages. Production Changes: Execute patches, promote domain controllers, and manage configuration updates under strict change control processes (often during nights/weekends). Troubleshooting: ...

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