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 current 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

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📌 Cyber Security Architect (Mississauga)
🏢 Resonaite
📍 Mississauga