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Added 8 mins ago
Security Engineer/SRE - AEM/Adobe
Capgemini
Toronto, ON
Substantial hands-on experience operating a high-traffic public website behind an enterprise content delivery network.
Added 8 mins ago
Cloud Security Engineer
Paymentus Group Inc
Richmond Hill, ON
Full-time
The Cloud Security Engineer is responsible for helping secure the cloud-native infrastructure, platforms, services, and deployment patterns that support the Paymentus SaaS platform. This…
Added 37 mins ago
Senior AI Platform Security Engineer
Charger Logistics Inc.
Brampton, ON
Full-time
We are looking for a highly motivated Senior AI Platform Security Engineer to join our team based out of our Brampton office and own the platform our AI agents run on. We're standardizing…
Added 38 mins ago
System Engineer
DataStealth
Mississauga, ON
Full-time
5+ years of hands-on experience in roles such as Solutions/Integration Engineer, Security Engineer, or Network Engineer, ideally in customer-facing environments.
Added 52 mins ago
Security Software Engineer
Actalent
Ottawa, ON
$60 to $80 CAD / hour
Contract
We're looking for a Security Software Engineer to help build and secure the systems that establish trust across devices, manufacturing environments, and cloud services. This role is ideal…
Added 53 mins ago
Senior AI Platform Security Engineer
Charger Logistics Inc
Brampton, ON
We are looking for a highly motivated Senior AI Platform Security Engineer to join our team based out of our Brampton office and own the platform our AI agents run on. We're standardizing…
Added 3 hours ago
Data Engineer
Wiraa
Canada
Full-time
…Fortune 1000 companies and other buyers seamless access to a vast network of manufacturing partners, facilitating efficient sourcing of custom parts and components. Xometry’s commitment to…
Added 4 hours ago
Infra System Administrator
Emplo Inc.
Ottawa, ON
Full-time
Collaborate with Cloud, Network, and Security teams; support FinOps and cost optimization.
Added 4 hours ago
Cloud Platform Engineer
Emplo Inc.
Ottawa, ON
Full-time
…unprecedented challenges and they need us more than ever before. As a Network, ATCs are positioned to unlock greater opportunities and exponential value for our…
Added 9 hours ago
Technician, Installation 2
AVI-SPL Canada
Ottawa, ON
Full-time
Intermediate understanding of network infrastructure and how it integrates with audiovisual systems (e.g., IP-based systems, streaming, cloud-based services). Ability to lead site teams on…
Added 12 hours ago
Network Specialist
CIX Trading
Toronto, ON
Full-time
Prior experience as a network engineer, specialist or network administrator.
Added 12 hours ago
Network engineer
Total Cloud
Engineer, BC
Full-time
We are seeking an experienced and proactive network engineer to ensure the highest levels of reliability, security, and optimal performance for our corporate and critical lab network…
Added 13 hours ago
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AtkinsRéalis
Montreal, QC
Full-time
…business software, licensing compliance, system reliability, cloud environments, and network infrastructure.They lead IT staff, coordinate IT operations, and ensure secure, efficient…
Added 16 hours ago
Storage GPFS
KTek Resourcing
Montreal, QC
Contract
Collaborate with network, cloud, and infrastructure teams to resolve complex issues
Added 16 hours ago
Infra / Cloud & GenAI Architect
Tata Consultancy Services
Calgary, AB
Full-time
Have Senior plus years of experience in design and implementation of Cloud technologies primarily Microsoft Azure and AWS
Added 16 hours ago
Test Automation Engineer
Accenture
Mississauga, ON
Full-time
…unprecedented challenges, and they need us more than ever before. As a Network, ATCs are positioned to unlock greater opportunities and exponential value for our…
Added 16 hours ago
Security Engineer (17-Month Contract)
Varicent
Toronto, ON
Varicent is looking for a hands-on Security Engineer to join our Information Security team on a 17-month contract and help strengthen the security of our systems, applications, and cloud…
Added 17 hours ago
Security Engineer (17-Month Contract)
Varicent
Toronto, ON
Contract
Varicent is looking for a hands-on Security Engineer to join our Information Security team on a 17-month contract and help strengthen the security of our systems, applications, and cloud…
Added 17 hours ago
Zscaler Engineer / Network Engineer
Apptoza Inc.
Toronto, ON
Contract
Seeking an experienced Zscaler/Network Engineer with hands-on expertise in ZIA and ZPA to deploy, configure, troubleshoot, and support Zscaler security solutions.
Added 17 hours ago
Senior Cybersecurity Test Engineer (35651)
Myticas Consulting
Ottawa, ON
Contract
We are seeking a Senior Cybersecurity Test Engineer to lead and execute security testing activities across applications, infrastructure, cloud environments, APIs, and system integrations.…
Added 17 hours ago
Director, Enterprise Managed Services Sales
Broadcast Management Group
Toronto, ON
Full-time
We run cloud-based production through our Cloud Control Center™, REMI (remote integration) workflows, a 24/7 network operations center, embedded production staffing, system integration, and…
Added 18 hours ago
Senior Mechanical Engineer, Data Centers
AECOM
Markham, ON
$125,000 to $175,000 CAD / year
Full-time
AECOM is seeking a Senior Mechanical Engineer, to join our growing Canadian Data Center team.
Added 18 hours ago
Senior Electrical Engineer, Data Centers
AECOM
Markham, ON
$125,000 to $175,000 CAD / year
Full-time
AECOM is seeking a Senior Electrical Engineer to join our growing Canadian Data Center team.
Added 18 hours ago
Staff Software Engineer, OIN
Okta
Toronto, ON
$160,000 to $220,000 CAD / year
Full-time
The Okta Integration Network (OIN) is the platform that lets Okta customers discover, connect, and manage third-party applications and identity providers - from single sign-on and…
Added 18 hours ago
Network Architect
Artech L.L.C.
Toronto, ON
Contract
Network Engineer (Meraki, VXLAN Fabric & NFV)

Epsilon Solutions Ltd.

Enterprise Security Architect

Toronto, ON, Canada

Job type: Contract
Apply by: Oct 30, 2026
Experience: 7+ years of experience in architecture or security design, including AI-related systems.
Posting language: English
Posted: Sep 30, 2026

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Original job description

Senior Enterprise Security Architect

Work site: Toronto Onsite

Contract

Overview

Looking for a hands-on Security Architect with experience in Security Review Boards/Tiger Teams, Application Security (OWASP, SAST, DAST, API Security), SaaS Security (CASB/SSPM/OAuth), Network Security (Zero Trust, WAF, NGFW), Cloud Security Architecture Reviews (AWS/Azure/GCP, CSPM, CWPP, IAM), and authoring ADRs/Security Design Documents. Strong preference for CISSP/CCSP/SABSA certified candidates from Banking, Payments, or BFSI organizations with Threat Modeling (STRIDE/PASTA) experience.

Role Summary

The Security Architect will be part of a team who’s role is to assure enterprise security architecture with a focus on the review and authorship of Architecture Decision Records (ADRs) and Security Architecture Review Board (SARB) submissions. The role blends deep technical acumen with emerging expertise in Generative AI (GenAI) and agentic systems, ensuring secure design, governance, and responsible adoption of intelligent automation within the enterprise.

Key Responsibilities

Architecture Review & Advisory

Lead security reviews of solution and domain architectures, ADRs, and AI-enabled platforms.
Assess GenAI and agentic solution designs for model security, data protection, prompt integrity, provenance, and safe orchestration of agents.
Evaluate proposals for alignment with enterprise standards, regulatory expectations, and risk tolerance.
Produce actionable review comments with traceable recommendations, covering both traditional and AI-driven architectures.

Authoring & Governance

Author and maintain ADRs, patterns, and reference architectures - including those covering GenAI system integration, LLM usage, and multi-agent frameworks.
Ensure architectural documentation expresses the problem space, options, controls, and trade-offs clearly and defensibly.
Promote structured architectural reasoning supported by both human and GenAI-assisted analysis workflows.

GenAI & Agentic Security

Define and assess controls for GenAI systems, including:
Model access, data boundary, and prompt injection defenses.
Guardrails for AI agents performing autonomous actions or multi-step reasoning.
Secure orchestration, isolation, and human oversight mechanisms.
Evaluate the security of agent frameworks, LLM pipelines, and model-hosting platforms (e.g., Vertex AI, Azure OpenAI).
Contribute to enterprise policy for responsible AI use and GenAI-assisted development.

Technical Leadership

Provide domain expertise in application, cloud, and data security - augmented by AI security design considerations.
Support teams in safely embedding GenAI copilots, RAG systems, and autonomous agents within business processes.
Lead threat modeling for composite systems where GenAI interacts with APIs, data stores, and user environments.

Continuous Improvement & Automation

Use and refine GenAI tools for document review, security design assistance, and ADR quality assurance.
Develop reusable prompts, review heuristics, and decision frameworks that enhance SARB throughput and consistency.
Mentor peers in human-AI collaborative authoring, emphasizing accountability and verification of AI output.

Core Competencies

Enterprise security architecture (SABSA, TOGAF, NIST CSF).
GenAI systems architecture, LLM lifecycle, and model governance.
AI security patterns (threat modeling for LLMs, data leakage prevention, agent control).
Strong authorship and analytical writing - clear articulation of decisions and consequences.
Familiarity with tools for architectural diagramming, review automation, and GenAI-assisted design (e.g., LangChain, OpenAI GPT, Guardrails AI).
Broad experience across cloud, data, application, and API securitydomains.

Qualifications

Bachelor’s or Master’s in Computer Science, Cybersecurity, or related field.
7+ years of experience in architecture or security design, including AI-related systems.
Desirable certifications: CISSP, CCSP, SABSA, TOGAF, or AI-specific credentials (e.g., NIST AI RMF, MIT AI Ethics, Azure AI Engineer).
Demonstrable experience with secure implementation of GenAI or autonomous agents in enterprise settings.

Success Measures

Secure-by-design adoption of GenAI and agentic capabilities across business domains.
Clear, complete, and AI-assisted ADRs produced and reviewed efficiently.
Reduced residual security risk in AI and non-AI solutions through proactive architectural engagement.
Recognition as a thought leader in secure GenAI architecture and governance.

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More about this job

Responsibilities

Lead security reviews of enterprise architectures, ADRs, and AI-enabled solutions, providing actionable recommendations aligned with enterprise standards and regulatory expectations. Define and assess security controls for GenAI and agentic systems, author architecture patterns and documentation, and support teams in securely adopting AI capabilities.

Requirements

Requires a bachelor’s or master’s degree in computer science, cybersecurity, or a related field, and 7+ years of architecture or security design experience, including AI-related systems. Candidates should have experience securing GenAI or autonomous agents and expertise across application, cloud, data, and API security; certifications such as CISSP, CCSP, SABSA, or TOGAF are desirable.

Skills

Enterprise Security Architecture
Security Architecture Reviews
Architecture Decision Records
Generative AI Security
Agentic Systems Security
Application Security
Cloud Security
API Security
Threat Modeling
Data Protection
Prompt Injection Defense
Identity And Access Management
Security Governance
Technical Writing
Security Risk Assessment
AI Model Governance

Visa sponsorship

Not detected in the job text

Keywords

SABSA
TOGAF
NIST CSF
CISSP
CCSP
Generative AI
Large Language Models
Agentic Systems
Architecture Decision Records
Security Architecture Review Board
OWASP
SAST
DAST
API Security
CASB
SSPM
OAuth
Zero Trust
WAF
Next-Generation Firewall
AWS
Azure
Google Cloud Platform
CSPM
CWPP
IAM
STRIDE
PASTA
Vertex AI
Azure OpenAI

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