Senior Security Specialist

BDO; Vancouver; Hybrid; CAD 77,000 - 117,000; Full time

Job summary

BDO Canada is seeking a Senior Security Specialist to join the Information Security team. You will monitor, detect, investigate, and respond to cybersecurity threats across the organization, contributing to threat and vulnerability management and safeguarding systems and data.

You will lead incident investigations, optimize security technologies, and mentor junior staff while participating in on-call and response activities to support continuity and resilience across the firm.

Qualifications

• Degree in Cybersecurity, Information Technology, Computer Science, Engineering, or equivalent education and experience.
• 5+ years progressively in cybersecurity, with focus on security operations, incident response, threat detection, or cyber defense.
• Strong knowledge of security operations, incident response, threat detection methodologies, and cybersecurity practices.
• Experience with enterprise security technologies supporting monitoring, detection, investigation, and response activities.
• Experience coordinating remediation across technology teams and conducting investigations.

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.
• 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 security operations.
• Conduct investigations and analysis to identify, contain, and remediate threats and incidents.
• Support security assessments, audits, and compliance activities by providing operational security expertise.
• 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 to support business continuity.

Skills

Security operations

Incident response

Threat detection

Cyber defense

Cloud security

Endpoint security

Analytical thinking

Education

Cybersecurity degree

Job description

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.

How do we define success for your role?

• You demonstrate BDO’s core values through all aspect of your work: Integrity, Respect and Collaboration
• You understand our client’s industry, challenges, and opportunities; clients describe you as positive, professional, and delivering high-quality work
• You identify, recommend, and are focused on effective service delivery to our clients
• You share in an inclusive and engaging work environment that develops, retains, and attracts talent
• You actively participate in the adoption of digital tools and strategies to drive an innovative workplace
• You grow your expertise through learning and professional development

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.
• Strong 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.

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.

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.

Giving back adds up:

Where company meets community.BDO is actively involved in our communities by supporting local charity initiatives. We support staff with local and national events where you will be given the opportunity to contribute to your community.

Total rewards that matter:

We pay for performance with competitive total cash compensation that recognizes and rewards your contribution. We provide comprehensive benefits from day one, and a flexible personal time off policy. We’re committed to supporting your overall wellbeing and provide reimbursement for wellness initiatives that fit your lifestyle.

Everyone counts:

We are committed to creating a workplace where employees can participate fully, contribute meaningfully and succeed without barriers. We are dedicated to fostering a workplace defined by respect, fairness, and a true sense of belonging for everyone. We recognize and celebrate the unique experiences, identities, and perspectives that each of us bring – and that these experiences strengthen how we work together. Our commitment extends to ensuring that our application process is both inclusive and accessible. If you require accommodation to complete the application process, please contact us.

Flexibility:

All BDO personnel are expected to spend some of their time working in the office, at the client site, and virtually unless accommodations or alternative work arrangements are in place.

Our model is a blended approach designed to support the flexible needs of our people, the firm and our clients. It’s about creating work experiences that meet everyone’s needs and providing flexibility to adjust when, where and how we work to meet the expectations of our role.

Code of Conduct:

Our Code of Conduct sets clear standards for how we conduct business. It reflects our shared values and commitments and includes guiding principles to help us make ethical decisions and maintain trust with each other, our clients, and the public.

BDO may use artificial intelligence enabled tools to support certain aspects of the recruitment process. While these tools assist our teams, our use of AI does not replace human decision making, and all employment-related outcomes are made by BDO personnel.

More information on BDO Canada’s Privacy Policy can be found here:

Privacy Policy | BDO Canada