Senior Systems Administrator
- Employment type
- Full-time · On-site
- Posted
- November 6, 2026
- Salary range
- $90,000–$120,000 CAD per year
- NOC code
- 20012 — Computer and information systems managers
- Province
- Ontario (ON)More in Ontario
Hiring confidence: Some gaps · 67/100
Some signals are missing from this posting. It may well be genuine, but it is worth confirming the role is still open before you invest time in applying. How this is scored
Job Overview
This role is based in Ontario. The Canadian NOC code for this position is 20012 — Computer and information systems managers. STACK IT Recruitment is hiring for this full-time position through Jobily, where you can check how well your resume matches the posting before you apply.
Market context
About this role in Ontario
Average salary for Network Administrator in Ontario
We do not have a salary benchmark for this title in Ontario yet. The posting advertises $90,000–$120,000.
NOC code
20012 — Computer and information systems managers. The National Occupational Classification code is what Express Entry, provincial nominee programs and Job Bank use to identify this occupation. Network and systems administrators are 22220; roles with a design or architecture focus may be classified under 21222.
Typical qualifications for Canadian employers
A diploma in network or computer systems technology, plus experience with routing, switching, firewalls and Windows or Linux server administration.
Licensing: No licence is required. A CCNA or equivalent vendor certification is frequently requested.
Fit check
Is this role right for you?
Top skills this posting asks for:
- Systems Administration
- Virtualization
- Microsoft 365
Jobily reads your resume against this posting and scores the fit — the skills you already have, the gaps, and what to change before applying. Signed-in Premium members see the score at the top of this page.
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What you'll do
- Solve complex infrastructure problems
- Work across a variety of client environments
- Support clients in managed IT services
- Manage virtualization infrastructure
- Administer Microsoft 365 environments
- Manage Azure cloud infrastructure
- Handle networking tasks and issues
- Interact directly with clients
What you'll need
- Strong infrastructure experience
- Hands-on systems administration background
- Experience with virtualization platforms
- Microsoft 365 knowledge
- Azure experience
- Networking expertise
- Comfortable working directly with clients
- Ability to solve complex infrastructure problems