Full-time

System Administrator

Posted on 19 August 25 by Mukulika Mandal

  • Mississauga, Ontario
  • CAD$ - CAD$
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Job Description

About the Role

Our client is seeking a talented System Administrator with strong hands-on experience in Windows Server administration, Exchange Online, VMware, and enterprise backup solutions. This role will focus primarily on day-to-day operational support, monitoring, troubleshooting, and system reliability, with opportunities to contribute to automation and infrastructure improvements.

Key Responsibilities

  • Provide daily operational support across Windows Server, VMware, Exchange Online, and backup environments.
  • Perform monitoring, troubleshooting, and root cause analysis (RCA) for incidents affecting server, storage, or network systems.
  • Manage backups and restore operations to ensure data integrity and availability.
  • Support Exchange Online and Microsoft 365 (Teams, OneDrive, mailbox management, patching).
  • Execute patching cycles across development, test, and production environments.
  • Administer Active Directory and DNS for access and identity management.
  • Collaborate with other IT teams (security, applications, networking, DevOps) on cross-functional issues.
  • Maintain documentation, operational procedures, and compliance records.
  • Participate in on-call rotation and provide after-hours support as needed.
  • Identify and implement opportunities for automation and process improvement.

Key Skills & Experience

  • 5+ years of progressive experience in System Administration roles.
  • Proven expertise in:
    • Windows Server administration (installation, configuration, patching, troubleshooting).
    • Exchange Online / Microsoft 365 stack.
    • VMware (vSphere, vCenter, ESXi).
    • Backup solutions (Rubrik, Veritas, or similar).
  • Strong knowledge of Active Directory, DNS, and Microsoft Entra ID.
  • Familiarity with monitoring tools and ITSM platforms (ServiceNow or equivalent).
  • Excellent problem-solving, documentation, and communication skills.

Nice-to-Have (Assets)

  • Exposure to cloud platforms (Azure, AWS).
  • Experience with identity and access management (Ping Federate, Azure MFA/SSPR).
  • Knowledge of email security solutions (Barracuda, TrendMicro).
  • Scripting/automation skills (PowerShell or similar).

Job Information

Rate / Salary

CAD$ - CAD$

Sector

Not Specified

Category

Not Specified

Skills / Experience

Not Specified

Benefits

Not Specified

Our Reference

JOB-1148

Job Location