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Added 19 days ago
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Senior Optical Engineer
Ciena
Ottawa, ON
- $94,100 to $150,300 CAD / year
- Full-time
…supports growth and well-being - on and off the job. Connect with a career that…
Added 19 days ago
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Search Engineer
Firecrawl
Toronto, ON
- Full-time
…at web scale, and the modern web actively resists automation with detection systems, challenge flows, and fingerprinting that evolve weekly. This role is equal parts research and…
Added 19 days ago
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Data Integration Developer
Trafigura
Calgary, AB
- Full-time
Minimum 3 years' experience in Python and SQL, with a focus on data integration or pipeline development, including experience with relational databases and data modelling.
Added 1 month ago
Sr. DevSecOps Engineer
Rogers Communications
Brampton, ON · Toronto, ON
We are currently seeking a Sr DevSevOps Engineer to join the Rogers Enterprise DevSecOps Engineering Team. Working from Toronto or Brampton office, you will work with the Enterprise DevOps…
Added 19 days ago
EA
Développeur.se de logiciels sénior.e - outils de moteur génératif / Senior Software Engineer - Generative Engine Tools
Electronic Arts (EA)
Montreal, QC
- Full-time
As a Senior Software Engineer, you will collaborate with Research Scientists and Engineers to shape how new technologies integrate into core engine architecture. You will translate ideas…
Added 19 days ago
EA
Développeur.se de logiciels sénior.e - applications dorsales / Senior Software Engineer - Backend
Electronic Arts (EA)
Montreal, QC
- Full-time
As a Senior Software Engineer, you will collaborate with Research Scientists and Engineers to shape how new technologies integrate into backend architecture. You will translate ideas from…
Added 19 days ago
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Ingénieur(e) Senior, Plateforme de Données
Astek
Montreal, QC
- Full-time
…moderne. Le/la candidat(e) idéal(e) a de l'expérience avec Python, Spark, Git, Microsoft Fabric et l'architecture médaillon (Bronze, Silver, Gold). Dans ce rôle, vous concevrez et…
Added 20 days ago
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FY27 Intern - Low-Power AI, Audio, and Sensors Subsystem Engineering Internship - ASIC Design / Verification/Implementation - Canada (12 or 16 months)
Qualcomm
Markham, ON
- Full-time
As an intern on our team, you will work closely with an experienced engineer and contribute hands-on to design, verification, and modelling of ASIC HW IP (blocks) and sub-systems and learn…
Added 19 days ago
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Senior Engineer, Applied AI
Fulfillment IQ
Remote, Canada
- Full-time
- Remote
A seasoned AI engineer (ninja-level) with hands-on experience in developing and deploying real LLM systems, who excels in environments with significant ownership responsibilities and values…
Added 19 days ago
PH
Analytics Engineer, Risk
Propel Holdings
Toronto, ON
- Full-time
…messy processes into repeatable automation. As the Analytics Engineer, Risk, you’ll join the Model Development team within Risk, working closely with the Manager, Model Development, Data…
Added 19 days ago
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Machine Learning Engineer
ALS
Montreal, QC
- Full-time
We are seeking an Machine Learning Engineer to develop and apply advanced analytical and machine learning techniques that strengthen ALS Canada ltd scientific capabilities. You’ll work…
Added 19 days ago
CG
Senior DevOps/SRE Engineer
Credit Genie
Toronto, ON
- Full-time
As a Senior DevOps / SRE Engineer on this team, you'll own reliability and deployments across our AWS and Kubernetes environment, take real ownership of our compliance work, and help build…
Added 19 days ago
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Machine Learning Engineer - Early Career (Canada)
Jobright.ai
Canada
- Full-time
…job search. They are seeking an Early Career Machine Learning Engineer to design, build, and maintain scalable infrastructure for AI agents, as well as optimize data processing and develop…
Added 19 days ago
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AI Engineer
Cognizant
Toronto, ON
- Full-time
Advanced Python proficiency with strong software engineering fundamentals (version control, testing, code reviews)
Added 19 days ago
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AI Engineer, Entry Level (Canada)
Jobright.ai
Canada
- Full-time
Strong proficiency in Python and experience working with LLM APIs (such as OpenAI, Anthropic, or open-source models via Hugging Face)
Added 20 days ago
Data Engineer, Amazon Traffic Engineering
Amazon
Vancouver, BC
We are seeking an experienced Data Engineer to build and operate the Core Data Infrastructure that underpins our ML and Science initiatives for Bot Management. You will design and own…
Added 20 days ago
Security Engineer , AI Security
Amazon
Vancouver, BC
You might start your morning reviewing a threat model for a new AI/ML service feature, then jump into a code review with a partner development team to assess authentication and data flow…
Added 20 days ago
NS
Senior IC Design Verification Engineer
NXP Semiconductors
Ottawa, ON · Kanata
- Full-time
We are seeking a highly motivated Design Verification Engineer with a relentless drive to excel and make a significant impact. Our team offers innovative thinking, engineering expertise,…
Added 19 days ago
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Cybersecurity Engineer, Entry Level (Canada)
Jobright.ai
Canada
- Full-time
…job outcomes. They are seeking an entry-level Cybersecurity Engineer to monitor security incidents, perform vulnerability assessments, and collaborate with engineering teams to enhance…
Added 19 days ago
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Data Engineer – Data Platform (AI-Enabled)
Petal
Canada
- Full-time
Petal is looking for an AI-First Data Engineer to join a small platform team building the next generation of our data platform, enabling advanced BI and enabling AI workflows across the…
Added 19 days ago
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Computer Vision Engineer
SearchLabs
Mississauga, ON
- $200,000 to $250,000 CAD / year
- Full-time
Strong Python development skills and experience with modern ML frameworks such as PyTorch.
Added 19 days ago
Lead IAM Engineer
Braze
Toronto, ON
If you’re an experienced IAM engineer with deep Okta expertise who enjoys both defining architecture and getting hands-on with automation, integrations, governance, and platform…
Added 19 days ago
B
Sr Analyst, DevOps
Brookfield
Toronto, ON
- Full-time
Proficiency in Python with CI/CD pipeline experience (GitHub Actions, Azure DevOps)
Added 19 days ago
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Lead IAM Engineer
Braze
Toronto, ON
- Full-time
If you’re an experienced IAM engineer with deep Okta expertise who enjoys both defining architecture and getting hands-on with automation, integrations, governance, and platform…
Added 19 days ago
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Offensive Security Engineer
Epsilon Solutions Ltd.
Toronto, ON
- Contract
As “Principal Consultant, Agentic AI Cybersecurity Engineer” you will work hands-on alongside our cybersecurity engineering and application security teams to build, operate, and advance the…

Epsilon Solutions Ltd.

Offensive Security Engineer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Oct 15, 2026
Posting language: English
Posted: Sep 15, 2026

Original job description

Role: Offensive Security Engineer

Toronto, Hybrid

Job Description

As “Principal Consultant, Agentic AI Cybersecurity Engineer” you will work hands-on alongside our cybersecurity engineering and application security teams to build, operate, and advance the agentic AI systems that find, exploit, and remediate vulnerabilities end-to-end across our application and infrastructure estate. Operating at a principal engineer level, you will personally direct frontier AI models do discover vulnerabilities in production code, develop proof-of-concept exploits, generate and validate fixes, and integrate them into CI/CD pipelines with safe human-in-the-loop controls. You will also build reusable AI skills, prompts, and tooling that make agentic vulnerability management efficient and scalable across the estate. You will bring deep dual expertise across offensive and defensive security, penetration testing, and software engineering, and apply that fluency to push the boundaries of what is possible with agentic AI in a regulated enterprise environment.

What will you do?

Architect and operationalize the end-to-end agentic AI patching pipeline spanning detection, fix generation, automated testing, and release across SAST, DAST, SCA, IAST, container, and server vulnerabilities.
Use frontier AI models to discover novel vulnerabilities in production application and infrastructure code, develop proof-of-concept exploits, and validate that AI-generated fixes close the underlying root cause.
Build and maintain the library of reusable AI skills, prompts, evaluation harness, and tooling that power agentic vulnerability discovery, triage, remediation, false positive analysis, and exemption workflows at scale.
Design and operationalize AI-driven false positive analysis and exemption processes to reduce manual triage burden and surface only actionable findings to development teams.
Conduct hands-on penetration testing and red team exercise against critical applications and infrastructure to validate defensive controls and agent-generated remediations.
Extend agentic remediation coverage across SAST, SCA, DAST, IAST, container, and server vulnerabilities, including the data and tooling needed to connect findings back to source.
Design agent prompting, guardrails, evaluation frameworks, and appropriate human-in-the-loop controls to ensure safe autonomous code changes, testing, and deployment.
Drive integration of agentic remediation into enterprise CI/CD pipelines (Github, Jenkins, etc.) across the deployment landscape.
Communicate technical design, risk trade-offs, and delivery progress clearly to senior stakeholders including CIO, CISO, 2LOD, and Audit functions.

Must-have:

10+ years hands-on experience across software engineering, offensive security, and defensive security at a principal engineer level, with demonstrated personal contributions to production codebases and published vulnerability research or penetration testing engagements.
Advanced technical proficiency in multiple programming language (Java, C#, C, C++, Python, JavaScript/TypeScript, .NET, Go) with proven ability to personally write, review, and remediate production code.
Deep fluency in vulnerability classes including memory safety, injection authentication and authorization flaws, cryptographic misuse, deserialization, race conditions, and supply chain attacks, with hands-on experience finding and exploiting each.
Extensive hands-on experience with penetration testing, red teaming, exploit development, reverse engineering, and secure code review against OWASP Top 10 and SANS 25, combined with defensive engineering experience building detection and remediation capabilities.
Extensive hands-on experience with application security testing tools (SAST, DAST, IAST, SCA), including tuning, false positive analysis, exemption workflow design, and enterprise vulnerability management at scale.
Deep technical fluency with agentic AI coding tools and frameworks (Claude, Devin, Copilot, Windsurf, Cursor, MCP, including prompt engineering, agent orchestration, reusable skill and tool design, guardrail design, and evaluation.
Strong architectural knowledge of modern CI.CD, container platforms (Docker, Kubernetes), cloud-native deployment patterns, and integration of security automation into developer workflows.

Nice-to-have:

Relevant security certifications (OSCP, OSCE, OSEP, GXPN, GWAPT, CISSP, or equivalent).
Experience in financial services or highly regulated industries with exposure to SOX, SOC1, and regulatory audit.
Public evidence of offensive capability: published CVEs, bug bounty track record, conference talks (DEFCON, Black Hat, Offensive Con, Recon), CTF placements, or open-source security tooling contributions.
Hands-on experience with enterprise vulnerability tooling (Tenable, Aqua, Snyk, BrightSec) and remediation at scale.
Demonstrated ability to advise senior technology leaders and deliver within complex, multi-stakeholder enterprise environments.

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More about this job

Responsibilities

Architect and operate agentic AI systems to automate the end-to-end discovery, exploitation, and remediation of vulnerabilities across application and infrastructure estates. Conduct hands-on penetration testing and red team exercises to validate defensive controls and AI-generated fixes.

Requirements

Requires over 10 years of experience in software engineering and offensive/defensive security at a principal level. Must possess deep proficiency in multiple programming languages and extensive experience with AI coding tools and application security testing frameworks.

Skills

Offensive Security
Agentic AI
Penetration Testing
Software Engineering
Vulnerability Management
Red Teaming
Exploit Development
Secure Code Review
SAST
DAST
SCA
IAST
Prompt Engineering
CI/CD Integration
Reverse Engineering
Cloud-Native Security

Visa sponsorship

Not detected in the job text

Keywords

Agentic AI
Offensive Security
Penetration Testing
Red Teaming
Java
C#
C++
Python
JavaScript
TypeScript
.NET
Go
OWASP Top 10
SANS 25
SAST
DAST
IAST
SCA
Claude
Devin
Copilot
Windsurf
Cursor
MCP
Docker
Kubernetes
Github
Jenkins
OSCP
OSCE

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