Senior System Administrator

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Full-time Computer Occupations
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Location
Markham, Ontario, Canada
Posted
March 16, 2026

Job Description

Location:

Markham

The System Administrator is responsible for the maintenance, configuration, and reliable operation of the organization’s computer systems and servers. You will install hardware and software and participate in research and development to continuously improve and keep up with the IT business needs of the organization.

Responsibilities:

  • Manage daily, weekly, monthly & quarterly administration tasks

  • Active directory management & optimization

  • Group policy configuration & deployment

  • Server build & configuration; Advanced server admin knowledge

  • Patch management – endpoint patching/critical updates

  • Office – advanced knowledge of O Administration

  • Formulate policy & process re technical administration

  • Application support

  • Project execution

  • Implementation – upgrades, migrations etc.

  • Manage back-ups – daily back-up logging, m...

    • Job Details

    • Job Type
      Full-time
    • Category
      Computer Occupations
    • Date Posted
      March 16, 2026
    • Application Deadline
      April 25, 2026