Job Posting Details

Sr. Security Architect

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Our client requires a senior Security Architect to perform security architecture assessments and consultations before solution go-live, ensuring product and project architectures comply with approved security standards, cloud architecture requirements, and cloud decision records. The role will support a high volume of security assessment requests, helping identify security architecture gaps, threats, vulnerabilities, and compliance risks while ensuring assessments are completed on time without impacting project delivery timelines.

Work is hybrid (flexible) within the province of Ontario.

Toronto, Ontario (Hybrid/Flexible)

Responsibilities

Duties & Deliverables Include: 

• Develop and maintain security reference architectures, network diagrams and other guidelines to support the policies and standards, enabling the delivery of target state enterprise-level Information Security capabilities, and reducing the risk of siloed and redundant solutions.
• Develop security requirements and advise on technologies to be used in cloud environments
• Ensure technology achieves an ideal cloud security architecture, with respect to the cloud service model being used.
• Analyze proposed solution architectures, technology, design, and IT development processes
• Acts as a subject matter expert, developing plans and deliverables and interacting with key internal partners.
• Manage multiple security related projects simultaneously, and present status updates to upper management.
• Leverage existing best practices in addition to proposing, developing, and integrating best practices as they relate to business, policy, information, security, application and technical infrastructure architecture
• Identify and escalate issues to ensure application management and quality standards are adhered to
• Deliverables include solution architecture analysis (technology design) and security architecture assessment for any gaps, potential threats, vulnerabilities and recommended options (cloud service models), plus security architecture standards, patterns, and reference architectures for cloud environments.

Mandatory Requirements

• 10 or more years of experience in IT security principles, practices, technologies, programs, and procedures with a solid knowledge of cloud architecture and security controls.
• Certifications in any of the following cyber security and cloud security architecture (e.g., CISSP-ISSAP, CCSP, GDSA)
• Certifications in any of the following are an asset. ArchiMate, TOGAF, SABSA, Zachman
• Public sector experience is preferred

Desirable Requirements

• Strong knowledge and understanding of cloud and on-prem system and applications architectures and security controls.
• Deep understanding of security threats, vulnerabilities and safeguards relevant to application development, test and QA environments, and IT (data center) operations.
• Strong knowledge of a wide variety of information systems and security technologies including Operating Systems security, LAN and WAN, Internet protocols and applications, secure communications, firewalls, IDS/IPS, PKI, identity and access management, identification and authentication techniques, role-based access control, malware defense, etc.
• Strong Knowledge an understanding of information security frameworks such as ISO 27001/2 and NIST.
• Good verbal and written communication skills including preparing and presenting and articulating architecture-related concepts to both technical and non-technical audiences
• Functions at a high level of autonomy in setting objectives based on direction from management
• Ability to build sustainable relationships with stakeholders, partner and colleague

Job Posting ID: 57029

Location: Toronto, Ontario (Hybrid/Flexible)

Estimated Starting Date: Oct 1, 2026

Estimated End Date: till Mar 31, 2027 + pos. extension

Posting Closing Date: September 2, 2026

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