Putting people first, every day BDO is a firm built on a foundation of positive relationships with our people and our clients. Each day, our professionals provide exceptional service, helping clients with advice and insight they can trust. In turn, we offer an award-winning environment that fosters a people-first culture with a high priority on your personal and professional growth.

Your Opportunity BDO Canada is looking for a Senior Security Specialist, a senior member of the Information Security team responsible for supporting the monitoring, detection, investigation, and response to cybersecurity threats across the organization. This existing role contributes to the continuous improvement of operational security capabilities, provides expertise in threat and vulnerability management, and helps protect BDO's systems, data, and digital assets.

Job Responsibilities

- Monitor, investigate, and respond to cybersecurity events, alerts, and incidents across enterprise environments.
- Perform detailed analysis of security incidents, including containment, remediation coordination, root cause analysis, and post-incident reviews.
- Administer and optimize security technologies that support monitoring, detection, prevention, and response capabilities across the enterprise.
- Conduct proactive threat and vulnerability analysis to identify risks and opportunities for improving security posture.
- Collaborate with technology teams to prioritize, track, and remediate security vulnerabilities and risks.
- Develop and maintain security procedures, response playbooks, and operational processes to improve the effectiveness of security operations.
- Conduct investigations and analysis to identify, contain, and remediate cybersecurity threats and incidents.




- Support security assessments, audits, and compliance activities by providing operational security expertise and evidence as required.
- Assist in evaluating, implementing, and maintaining security technologies and capabilities to strengthen the organization’s security posture.
- Contribute to security awareness and knowledge-sharing initiatives across technology teams and business stakeholders.
- Mentor junior team members and provide guidance on security processes, technologies, and best practices.
- Participate in on-call and incident response activities as required to support business continuity and operational objectives.

The expected range of compensation for this role is $77,000 to $117,000. The advertised range represents the anticipated compensation for this position. The final offer may vary based on the successful candidate's qualifications, experience, specialized skills, and other business considerations.

Qualifications & Requirements

- Degree in Cybersecurity, Information Technology, Computer Science, Engineering, or a related field, or equivalent education and experience.
- 5+ years of progressive experience in cybersecurity, with a focus on security operations, incident response, threat detection, or cyber defense.
- Solid knowledge of security operations, incident response, threat detection methodologies,



and cybersecurity practices.
- Experience working with enterprise security technologies supporting monitoring, detection, investigation, and response activities.
- Experience investigating security incidents and coordinating remediation activities across technology teams.
- Knowledge of cybersecurity frameworks, standards, and industry best practices.
- Experience supporting security capabilities across cloud, endpoint, identity, and enterprise technology environments is considered an asset.
- Strong analytical and problem-solving skills with the ability to assess risks and recommend practical security solutions.
- Ability to communicate complex technical concepts to technical and non-technical stakeholders in a clear and effective manner.
- Industry-recognized cybersecurity certifications are considered an asset.

Why BDO?

Our people-first approach to talent has earned us a spot among Canada’s Top 100 Employers for 2026. This recognition is a milestone we’re thrilled to add to our collection of awards for both experienced and student talent experiences. At BDO, our people experience is guided by three core pillars—Do work with genuine care, Do what matters with purpose, and Do what’s next - shaping how we support our people, serve our clients, and grow together.

Our firm is committed to providing an environment where you can be successful in the following ways:

- We enable you to engage with how we change and evolve, being a key contributor to the success and growth of BDO in Canada.
- We help you become a better professional within our services, industries, and markets with extensive opportunities for learning and development.
- We s

📌 Senior Security Specialist (Toronto)
🏢 BDO Canada
📍 Toronto