Senior Cybersecurity Specialist

Mississauga, Peel region

On-site

Full-time

No salary posted2 days ago

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Employment type: Full-time · On-site
Posted: September 17, 2026
NOC code: 21220 — Cybersecurity specialists
Province: Ontario (ON)More in Ontario

Hiring confidence: Sparse posting · 7/100

This posting is missing most of the signals we look for, or shows patterns common to listings that are not actively being filled. Check with the employer before applying. How this is scored

Job Overview

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Job Description Job Description Could you be the person who sees what’s missing, figures out what needs to change, and actually makes it happen? Our client is looking for a Senior Cybersecurity Specialist to own security across a large, highly integrated technology environment. This is a hands-on role for someone who can move comfortably between security engineering, incident response, identity, vulnerability remediation, application security, and security program coordination. You’ll have the …

This role is based in Ontario. The Canadian NOC code for this position is 21220 — Cybersecurity specialists. 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 Security Analyst in Ontario

Median $101,920 per year, with most postings between $94,920 and $148,400 (Cybersecurity specialists, 2026-05, 19 postings). This posting does not state a salary.

NOC code

21220 — Cybersecurity specialists. The National Occupational Classification code is what Express Entry, provincial nominee programs and Job Bank use to identify this occupation.

Typical qualifications for Canadian employers

A degree or diploma in computer science, information security or a related field, plus experience with SIEM tooling, incident response and one or more security frameworks.

Licensing: No licence is required. Many employers ask for a certification such as Security+, CISSP or CISM, and some government and defence roles require a Canadian security clearance.

All Security Analyst jobs in Ontario

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What you'll do

Own security across large, highly integrated technology environment
Perform security engineering tasks
Respond to security incidents
Manage identity and access controls
Conduct vulnerability remediation
Implement application security measures
Coordinate security programs
Identify gaps and implement necessary changes

What you'll need

Extensive cybersecurity experience
Ability to work across multiple security domains
Experience in large, integrated technology environments
Hands-on technical expertise