Senior Security Specialist, Incident Response

Loblaw Companies Limited • Brampton, ON

8d • CA$80,000 - CA$110,000 • Onsite

About The Position

As a Senior Cybersecurity Incident Responder, you will serve as a technical leader and crisis commander on our global cybersecurity team. You will be responsible for leading the response to complex and sophisticated cybersecurity incidents, from initial detection through to complete resolution and post-incident analysis. This is a senior, hands-on role that requires a unique blend of deep technical expertise across multiple security domains, proven leadership skills under pressure, and a strategic mindset to continuously improve our incident response capabilities.

Requirements

• Proven experience leading the response to significant cybersecurity incidents in a large enterprise environment.
• Demonstrated expertise across multiple security domains, including Endpoint, Network, Cloud (GCP, Azure, OCI), Identity and Access Management (IAM), and Email Security.
• Hands-on proficiency with modern security technologies, including SIEM, SOAR, EDR/XDR, and forensic analysis tools.
• Strong command of incident response methodologies and frameworks (e.g., NIST, MITRE ATT&CK).
• Exceptional analytical, problem-solving, and decision-making skills, with the ability to remain calm and effective under pressure.
• Excellent communication and technical writing skills, capable of briefing both technical teams and executive leadership.

Nice To Haves

• Relevant industry certifications (e.g., GCIH, GCFA, CISSP) are highly desirable.

Responsibilities

• Act as the Incident Commander for major cybersecurity events, leading the technical response from initial detection through containment, eradication, and recovery.
• Coordinate cross-functional teams (including IT, Legal, and HR) to ensure a unified and effective response to complex threats.
• Conduct in-depth technical analysis of security incidents, applying frameworks like NIST and MITRE ATT&CK to understand adversary behavior and guide remediation.
• Develop and mature the incident response program by enhancing playbooks, automating workflows, and conducting post-incident reviews to identify lessons learned.
• Maintain meticulous documentation during incidents to support forensic analysis, reporting to leadership, and regulatory compliance.
• Participate in a 24x7 on-call rotation to provide expert-level support for critical security incidents.

Benefits

• Work Perks Program
• On-site GoodLife Fitness, Basketball & Volleyball courts, Ice Rink, Groceries delivered to work via PC Express, Dry-Cleaning services (1PCC Office)
• Tuition Reimbursement & Online Learning
• Pension & Benefits
• Paid Vacation

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed