toronto, on specialist cybersecurity vulnerability Jobs – 28 Openings This Week

Network Security Specialist
Canada Computers Inc. —Richmond Hill, ON
- $70,000–$120,000 a year
- Full-time
- Azure
- Computer Science
- Bachelor's
Quick apply
Senior Cybersecurity Specialist
DEG Services —Concord, ON
- $110,000–$120,000 a year
- Full-time
- Communication skills
Quick apply
1d
SOAR Service Lead
Pwc Canada —Toronto, ON
- $84,700–$134,700 a year
- Full-time
- Hybrid work
- Computer Science
- DevOps
- Bachelor's
Workday Technical Integration Lead - Information Management/Human Resources - Temporary Full-Time - 2026-17459
Sunnybrook Health Sciences Centre —Toronto, ON
- Temporary
- Remote
- Computer Science
- ERP systems
- Bachelor's
Quick apply
8d
Senior Specialist - Software Engineering
LTM —Toronto, ON
- $110,000–$130,000 a year
- On call
- Computer science
- Azure
- Computer Science
- Disability insurance
- Dental care
Quick apply
OT/ICS Security Specialist – BFSI - 0604 AS #7
NavitasPartners —Mississauga, ON
- From $30 an hour
Quick apply
1d
OT/ICS Security Specialist – BFSI - 0604 AS #7
NavitasPartners —Toronto, ON
- From $30 an hour
Quick apply
1d
OT/ICS Security Specialist – BFSI - 0604 AS #7
NavitasPartners —Markham, ON
- From $30 an hour
Quick apply
1d
Cloud Systems Specialist & IT Lead
Streampoint Solutions —Etobicoke, ON
- $70,000–$95,000 a year
- Full-time
- Hybrid work
- Google Suite
- Microsoft Access
- Azure
Quick apply
1d

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Network Security Specialist
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Network Security Specialist

Canada Computers Inc. -
Richmond Hill, ON

Quick apply

Job details

Permanent | Full-time
$70,000–$120,000 a year

Qualifications

Authentication
TCP
Azure
Computer Science
Kubernetes
Microsoft Exchange
Firewall
Incident response
Bachelor's
SSL
IDS
Network protocols
Virtualization
Scripting
Computer networking
DNS
CentOS
VMWare
Linux
Apache
TCP/IP
HTTPS
Cybersecurity
System security
Python
PowerShell
NGINX
Identity & access management
Network security
Information Technology
VPN

Full job description

Canada Computers & Electronics is a retailer of personal computers, IT and components, and consumer electronics. We strive to provide customers with the best products at the best value that the computer retail world can offer. The key to our success resides in the constant improvement of business practices, as well as a knowledgeable and passionate team of people who go beyond expectations while maintaining the trust and confidence of our customers. We offer competitive wages and benefits with lots of opportunities for advancement!

Position Overview

We are looking for a skilled and proactive Network Security Specialist to join our IT team. This role will be responsible for safeguarding the organization’s network, systems, cloud infrastructure, and enterprise environments from cyber threats, vulnerabilities, unauthorized access, and operational risks. The successful candidate will play a critical role in monitoring, securing, and strengthening our network and system infrastructure across head office, data center, cloud platforms, and retail store locations. This individual will focus on proactive threat detection, vulnerability remediation, incident response, access control, security hardening, and cybersecurity best practices while supporting business continuity and operational resilience.

This position requires on-site work at our Richmond Hill office with occasional off-hours support for security incidents, upgrades, patching, and emergency response.

Key Responsibilities:

Monitor enterprise systems, network traffic, cloud infrastructure, and endpoints for suspicious activities, threats, and vulnerabilities
Act as the primary technical resource for cybersecurity incidents, including investigation, containment, remediation, and recovery
Monitor system, server, firewall, and network logs to identify suspicious activities, vulnerabilities, and security risks
Develop, maintain, and improve incident response procedures, escalation protocols, and remediation processes
Perform root cause analysis following cybersecurity incidents and recommend preventive actions
Secure and maintain enterprise network infrastructure, including firewalls, switches, routers, VLANs, VPNs, wireless networks, and internet-facing services
Configure, monitor, and optimize network security controls across head office, retail stores, and cloud infrastructure
Manage firewall rules, network segmentation, intrusion detection/prevention systems (IDS/IPS), secure remote access, and access control policies
Ensure secure configuration and hardening of Linux servers, virtualization platforms, and cloud-hosted environments
Monitor and secure enterprise email systems, DNS, web servers, certificates, and authentication services
Perform regular vulnerability scanning, risk assessments, penetration remediation, and security audits
Identify infrastructure weaknesses and implement remediation plans to reduce cybersecurity risk
Manage system patching, firmware updates, certificate renewals, and security configuration baselines
Ensure secure configuration of servers, web services, databases, cloud workloads, and network equipment
Implement and maintain access control policies, least-privilege principles, MFA, and identity security practices
Support data protection initiatives, backup validation, disaster recovery planning, and ransomware prevention measures
Ensure data integrity, system confidentiality, and security compliance across enterprise systems
Develop and maintain security documentation, incident logs, system standards, policies, and technical procedures
Participate in cybersecurity assessments, audits, compliance initiatives, and internal security reviews

Requirements:

Bachelor’s degree in Computer Science, Cybersecurity, Information Technology, or related field
Minimum 5 years of hands-on experience in network security, systems security, cybersecurity operations, or enterprise infrastructure security
Strong hands-on experience with enterprise networking and security technologies
Deep knowledge of Linux systems (e.g., CentOS, Ubuntu) from a security administration perspective
Strong experience with Azure Cloud security, identity and access management, and Kubernetes security (AKS) is required
Solid understanding of TCP/IP networking protocols, including DNS, HTTPS, LDAPS, SMTP, VPN, VLANs, and firewall configurations
Hands-on experience with enterprise network equipment, switches, routers, and VLAN configuration (e.g., Cisco Meraki, Unifi)
Experience with firewall administration, network security, vulnerability remediation, endpoint protection, and infrastructure monitoring
Strong understanding of cybersecurity frameworks, threat mitigation, system hardening, access control, and enterprise security best practices
Experience securing web servers and infrastructure including Apache/Nginx, SSL/TLS certificates, and web application security
Familiarity with virtualization environments such as VMware and Hypervisor platforms
Knowledge of email security and Microsoft Exchange administration
Proficiency in scripting and automation using Shell, Python, PowerShell, or similar languages
Experience with certificate generation, renewal, and lifecycle management for enterprise systems and network devices
Strong troubleshooting, analytical, and incident response skills
Willingness to work off-hours when required for security incidents, upgrades, vulnerability remediation, and patching

AI Disclosure: Artificial intelligence (AI) is not used in the screening, assessment, or selection of candidates for this role.

Vacancy Disclosure: This position is being recruited to fill an existing vacancy.

We thank all interested candidates, however, only those under consideration will be contacted.

Canada Computers is committed to creating a diverse environment and is proud to be an equal opportunity employer. Upon request, Canada Computers will provide reasonable accommodation for disabilities to support participation of candidates in all aspects of the recruitment process.

Job Types: Full-time, Permanent

Pay: $70,000.00-$120,000.00 per year

Application question(s):

What is your expected salary?

Education:

Bachelor's Degree (preferred)

Work Location: In person

Quick apply

Refine Your Search

specialist cybersecurity vulnerability jobs in toronto, on

Network Security Specialist

Senior Cybersecurity Specialist

SOAR Service Lead

Workday Technical Integration Lead - Information Management/Human Resources - Temporary Full-Time - 2026-17459

Senior Specialist - Software Engineering

OT/ICS Security Specialist – BFSI - 0604 AS #7

OT/ICS Security Specialist – BFSI - 0604 AS #7

OT/ICS Security Specialist – BFSI - 0604 AS #7

Cloud Systems Specialist & IT Lead

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