Cyber Security Architect

Resonaite; Mississauga; On-site; CAD 100,000 - 130,000; Full time

Job summary

A cybersecurity consulting firm is seeking a Senior Cyber Security Architect in Mississauga to provide enterprise-level security architecture leadership. The ideal candidate will possess 8-12 years of experience in cyber security, have a strong background in enterprise security architecture, and be adept at conducting Threat Risk Assessments and collaborating with vendors. This role emphasizes clear communication of security risks in business terms and involvement in third-party assessments and security tool evaluations.

Qualifications

• 8-12+ years of experience in cyber security, with a focus on architecture.
• Experience supporting Third-Party Assessments and external audits.
• Familiarity with security frameworks such as NIST, ISO 27001, CIS, or SOC 2.

Responsibilities

• Provide enterprise-level cyber security architecture guidance across applications.
• Conduct security architecture and product reviews, identifying risks.
• Support third-party assessments and resiliency initiatives in collaboration with vendors.

Skills

Cyber security architecture

Threat Risk Assessments

Communication in business terms

External audit engagement

Technical depth

Education

Relevant certifications (CISSP, CISM, CCSP)

Job description

We are seeking a contract based senior Cyber Security Architect to provide enterprise-level security architecture leadership, support risk and threat assessments (TRA), and partner with external assessors on third-party assurance and resiliency initiatives. This role requires strong technical depth combined with the ability to clearly articulate security risks and strategies in business terms to executive stakeholders.

Responsibilities

• Provide enterprise-level cyber security architecture guidance across applications, infrastructure, cloud, and integrations
• Lead and contribute to Threat Risk Assessments (TRAs) for new initiatives and system changes
• Conduct security architecture and product reviews, identifying risks and recommending mitigation strategies
• Translate technical security risks into clear business impact statements for leadership
• Support Third-Party Assessments (TPA) and resiliency initiatives in collaboration with vendors
• Assist with vendor security reviews and control assessments
• Participate in resiliency testing, simulations, and tabletop exercises
• Support external assessments, audits, and cyber maturity reviews led by vendors
• Contribute to security tool selection, evaluation, and Proof of Concept (POC) activities
• Provide architectural oversight to ensure security-by-design principles are embedded in solutions
• Advise business and technology stakeholders on balancing security, risk, cost, and operational impact

Requirements

• 8–12+ years of experience in cyber security, including significant architecture experience
• Strong background in enterprise security architecture (cloud, application, infrastructure, network)
• Hands-on experience conducting Threat Risk Assessments (TRA)
• Experience supporting Third-Party Assessments (TPA) and external audit engagements
• Knowledge of business resiliency, disaster recovery, and security testing practices
• Experience assisting with security tool selection, POCs, and technical simulations
• Familiarity with security frameworks such as NIST, ISO 27001, CIS, or SOC 2
• Strong technical depth combined with the ability to communicate effectively in business terms
• Experience working with external advisory firms (e.g., Big 4 such as EY) preferred
• Relevant certifications (CISSP, CISM, CCSP) considered an asset