Senior Cyber Security Specialist

mississauga, on, Canada • Posted June 03, 2026

Job Type: Full-time
Location: mississauga, on
Posted: June 03, 2026
Category: Other-General
Application Deadline: July 13, 2026

Role Description

Role Overview We are seeking an experienced and technically proficient Senior Cybersecurity Specialist to support and enhance our organization's offensive security capabilities. In this role, you will conduct and coordinate penetration tests, red team activities, and targeted security assessments across enterprise systems, web applications, and cloud environments. You will work closely with infrastructure, engineering, and DevSecOps teams to identify vulnerabilities, reduce the attack surface, and strengthen overall security resilience.

Key Responsibilities

Plan, coordinate, and execute in-depth penetration tests across internal systems, external systems, web applications, APIs, and cloud environments.

Perform comprehensive static and dynamic application security testing (SAST/DAST) across enterprise, SaaS, and internally developed applications.

Conduct secure code review and identify vulnerabilities, design weaknesses, and potential exploitation pat...

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