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Added 4 mins ago
Environmental Engineering or Science Graduate
GHD Group Pty Ltd
Toronto, ON
Compiling, interpreting, and analysing geochemical, geological, hydrogeological, and laboratory data; assist with preparing data tables, stratigraphic logs, figures, and other project…
Added 19 mins ago
Senior Security Engineer, Detection and Response
Marqeta
Remote, Canada
Full-time · Remote
We’re seeking an experienced Senior Security Engineer with a strong passion for Identity and Access Management (IAM) and proven expertise in cloud-native environments, particularly AWS. In…
Added 34 mins ago
Site Reliability Engineering I
Loblaw Companies Limited
Brampton, ON
Full-time
The Site Reliability Engineer I will run the production environment by monitoring availability and taking a holistic view of system health. You will build tools and systems to manage…
Added 1 hour ago
AI Engineer
S M Software Solutions Inc
Mississauga, ON
Full-time
We are seeking a position of AI Engineer role for Citi based in Mississauga, ON, Canada. The role focuses on designing, building, and deploying Python-based AI/LLM applications and scalable…
Added 1 hour ago
SDET (Junior)
Actalent
Waterloo, ON
$32 to $38 CAD / hour
Contract
Job Title: Software Development Engineer in Test (SDET)Job Description
Added 1 hour ago
Jr. Product Design Engineer
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The Jr. Product Design Engineer has to translate customer, internal, and standard cable specifications into accurate CableBuilder designs and SAP Bills of Materials (BOMs). The role also…
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Project Engineering Director
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Lead technical and organizational interfaces among the owner, architect-engineer, reactor technology provider, constructors, suppliers, utilities, operations, and other project partners.
Added 2 hours ago
Principal Front-Office Trading Integration Engineer - Vice President - Java, Talend, Kafka, ETL - Charles River Development -
State Street
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Full-time
Principal Front-Office Trading Integration Engineer / Principal Consultants you will be assessing client needs and utilizing technical expertise to identify solutions which are in alignment…
Added 2 hours ago
Director, Mechanical Engineering
Photonic Inc.
Coquitlam, BC
$193,300 to $265,800 CAD / year
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…high magnetic fields, and must meet customer expectations for data centre…
Added 2 hours ago
Staff Data Engineer
Royal Bank of Canada
Toronto, ON
Full-time
RBC Wealth Management (WM) Data & AI is responsible for driving data driven decision making end-to-end across our global businesses. We're modernizing our data architecture, building out BI…
Added 2 hours ago
Software Engineer II (Fullstack), Growth Platform
Scribd, Inc.
Toronto, ON · Vancouver, BC
Full-time
We are seeking a determined Fullstack Software Engineer to join our Growth Platform team. In this role, you will design, build, and scale the shared systems that power Growth at Scribd,…
Added 2 hours ago
Staff Quantum Engineer (Qubit System Performance)
Photonic Inc.
Coquitlam, BC
$161,000 to $222,600 CAD / year
Full-time
As Staff Quantum Engineer – Performance at Photonic, you are a leader on the spin-photon qubit development team where you will play a crucial role in enhancing the performance of qubit…
Added 3 hours ago
Superintendent, Underground Mine Engineering
Kinross Gold Corporation
Red Lake, ON
Full-time
The Underground Mine Engineer will provide day-to-day technical and operational engineering support to the Advanced Exploration underground program at the Great Bear Project.
Added 3 hours ago
Delivery Lead
Fastloop
Vancouver, BC
Full-time
You partner with a Technical Lead / AI-Forward Engineer, working as one team: you bring the problem, the outcome, the sequencing, and the adoption; the TL brings the architecture and the…
Added 3 hours ago
Staff Data Engineer
RBC
Toronto, ON
Full-time
RBC Wealth Management (WM) Data & AI is responsible for driving data driven decision making end-to-end across our global businesses. We're modernizing our data architecture, building out BI…
Added 3 hours ago
Computer Vision Engineer, 3D
Mecka
Richmond Hill, ON
$200,000 to $230,000 CAD / year
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We're looking for a strong, coding-heavy computer vision engineer to own the classical side of our stack. Our models produce raw per-frame predictions; you own the traditional computer…
Added 3 hours ago
Manager, Design Engineering
Sentry
Toronto, ON · Greater Toronto Area, Canada
Full-time
Consider yourself a design engineer, or a designer who codes
Added 3 hours ago
Senior Data Engineer
Quandri
Vancouver, BC
…pair a deep understanding of insurance processes, systems, and data with serious technical capability and proprietary models, so the transformation is tangible and operational rather than…
Added 4 hours ago
Senior Data Engineer
Quandri
Vancouver, BC · Greater Vancouver Metropolitan Area
Full-time
…pair a deep understanding of insurance processes, systems, and data with serious technical capability and proprietary models, so the transformation is tangible and operational rather than…
Added 4 hours ago
Online Calibration & SLAM Engineer
Mecka
Richmond Hill, ON
$200,000 to $230,000 CAD / year
Full-time
Mecka AI is building the data infrastructure layer for robotics and embodied AI.
Added 4 hours ago
Operations Engineer
Saltworks Technologies: Industrial Water + Lithium
SK · Saskatchewan, Canada
Full-time
Join Saltworks as an Operations Engineer and take on an exciting, on-site, hands-on role supporting the launch of a first-of-its-kind lithium demonstration plant located near Stoughton,…
Added 4 hours ago
Senior AI Engineer
Workday
Vancouver, BC · Canada, BC, Vancouver
Full-time
As a Senior AI Engineer in Agent Factory, you will drive the end-to-end system design, implementation, and product integration for a core domain of Workday’s next generation of intelligent…
Added 4 hours ago
Principal Software Engineer - Evisort AI
Workday
Vancouver, BC · Canada, BC, Vancouver
Full-time
Evisort Engineering is growing! As a Principal Software Engineer, you’ll join a collaborative, cross-functional team working to enhance and expand our AI-driven contract management…
Added 5 hours ago
Principal Front-Office Trading Integration Engineer - Vice President - Java, Talend, Kafka, ETL - Charles River Development -
Charles River Development
Toronto, ON
Full-time
Principal Front-Office Trading Integration Engineer / Principal Consultants you will be assessing client needs and utilizing technical expertise to identify solutions which are in alignment…
Added 5 hours ago
Java Software Engineer
Genpact
Montreal, QC
$70,000 to $80,000 CAD / year
Full-time
…by curiosity, courage, and innovation, our teams implement data, technology, and AI to create tomorrow, today. Get to know us at genpact.com and on LinkedIn, X, YouTube, and…

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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