Sr. IT System Administrator
- Toronto, ON
- On-site
- Posted Sep 1, 2026
- 1 position
$70,000–$110,000 / year
Opens an external site
- Employment type
- Full-time
- Experience level
- Senior · 5+ years
- Minimum education
- Professional degree
- Posting language
- English
- Working hours
- 40 hours per week
Job summary
The Senior IT System Administrator is responsible for maintaining secure and reliable infrastructure, cloud services, and endpoint platforms. This role serves as an L3 escalation point for complex technical issues and provides guidance to junior team members.
Job details
The Senior IT System Administrator is responsible for maintaining secure and reliable infrastructure, cloud services, and endpoint platforms. This role serves as an L3 escalation point for complex technical issues and provides guidance to junior team members. Candidates must have at least 5 years of progressive IT systems administration experience in a Microsoft enterprise environment. A college diploma or equivalent certification in Information Technology is required.
What you’ll do
The Senior IT System Administrator is responsible for maintaining secure and reliable infrastructure, cloud services, and endpoint platforms. This role serves as an L3 escalation point for complex technical issues and provides guidance to junior team members.
Requirements
Candidates must have at least 5 years of progressive IT systems administration experience in a Microsoft enterprise environment. A college diploma or equivalent certification in Information Technology is required.
Benefits
- Health benefits
- Dental benefits
- Group RRSP program
- Support for new parents
- Comprehensive vacation package
Listed skills
- Microsoft Azure · Preferred
- Change Management · Preferred
- Active Directory · Preferred
- Microsoft 365 · Preferred
- VMware · Preferred
- Troubleshooting · Preferred
Other relevant skills
Identified from the job description. Confirm important requirements above.
- Azure
- Microsoft 365
- System administration
- Intune
- PowerShell
- Windows Server
- Active Directory
- Cloudflare
- Identity management
- Endpoint management
- Security operations
- Network operations
- ITIL
- Change management
- Troubleshooting
- VMware
Job areas
- Technology
- Software
- Security & Safety
- Administrative
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