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Added 13 mins ago
Senior Advanced Quality Engineer
Ecolab
Calgary, AB · CAN-Calgary Office Quarry Park
Full-time
We are seeking a talented Senior Advance Quality Engineer to join our Product Quality team, responsible for ensuring product quality during the development and launch phases. This role…
Added 13 mins ago
Senior Security Engineer - Identity and Access Management
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 24 mins ago
Associate Software Engineer (Winter 2027)
AltaML
Toronto, ON
Full-time
As an Associate Software Engineer you’ll play a hands-on role in building and scaling our agentic platform - an intelligent, adaptive system designed to automate workflows and power smarter…
Added 24 mins ago
Senior Product Development Engineer – Liquid Cooling
Amphenol Communications Solutions
Markham, ON
Full-time
…assemblies for diverse applications including server, storage, data center, mobile, RF, networking, industrial, business equipment, and…
Added 24 mins ago
Senior Foundry Integration Engineer
Photonic Inc.
Coquitlam, BC
$117,000 to $161,000 CAD / year
Full-time
We are seeking an experienced Senior Foundry Process Integration Engineer to lead the development and maturation of our silicon photonic fabrication processes through close partnership with…
Added 24 mins ago
Product Development Engineer – Liquid Cooling
Amphenol Communications Solutions
Markham, ON
Full-time
…assemblies for diverse applications including server, storage, data center, mobile, RF, networking, industrial, business equipment, and…
Added 24 mins ago
Machine Learning Engineer
PTx Trimble
Winnipeg, MB
Full-time
Solutions for Every Season. We engineer and deliver precision agriculture hardware, software, and cloud-based platforms that connect every corner of the farm. At PTx, we are redefining the…
Added 42 mins ago
Semiconductor Packaging Modeling and Simulation Engineer
onsemi
Waterloo, ON
Full-time
…Canada. As a semiconductor packaging modeling and simulation engineer, you will have the opportunities to support new power module development and new product design, assembly and process,…
Added 42 mins ago
Senior Software Engineer
Magnet Forensics
Canada
Full-time
We are looking for a Senior Software Engineer to join the Nexus team, responsible for delivering capabilities across Nexus and the broader Magnet One (M1) platform. You will help build and…
Added 42 mins ago
Cloud Analyst
Sun Life
Toronto, ON · Montreal, QC · Sun Life Montreal Metcalfe
Full-time
AWS/Azure/GCP or Linux Foundation Certification (e.g., Certified Solution Architect, Certified DevOps Engineer, Kubernetes and Cloud Native Associate etc.) are a plus
Added 56 mins ago
Software Java Developer - Platform & Emerging Technologies
Autodesk
Toronto, ON
Full-time
Autodesk is looking for a Software Engineer to help build the next generation of cloud services, data platforms, and AI-powered capabilities that support Autodesk products and customers…
Added 58 mins ago
Software Engineer
Fiscal.ai
Remote, Canada
Full-time · Remote
Job Title: Software Engineer: Quality (Terminal)
Added 58 mins ago
Senior Consultant - Microsoft Sentinel and Defender Engineer
EY
Winnipeg, MB · Toronto, ON · Quebec, QC · Saskatoon, SK · Halifax, NS · St. John's, NL · Saint John, NB · London, ON · Vancouver, BC · Victoria, BC · Edmonton, AB · Ottawa, ON · Dieppe, NB · ON · AB · Waterloo, ON · Calgary, AB
EY is seeking a senior, hands-on Microsoft security engineer to support the design, implementation, and continuous improvement of our Managed Detection and Response (MDR) services. You will…
Added 1 hour ago
Data Engineer
GEI Consultants, Inc.
Kitchener, ON
Full-time
The Data Engineer is responsible for designing, building, and maintaining the data pipelines and integrations that power GEI’s AI solutions and digital initiatives. This role focuses on…
Added 1 hour ago
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 1 hour ago
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 1 hour ago
Integrator engineer
Tata Consultancy Services
Montreal, QC
Full-time
c. Data protection, data leakage prevention and secure data transfer and storage
Added 1 hour ago
Golang Engineer
Jobright.ai
Canada
Full-time
…searching and helps users reach better job outcomes. The Golang Engineer develops and maintains Go services, APIs, database and external service integrations, automated tests, and…
Added 1 hour ago
Java Engineer
Jobright.ai
Canada
Full-time
…process and helps users reach better job outcomes. The Java Engineer develops and maintains backend services, APIs, database integrations, tests, and technical documentation while…
Added 1 hour ago
Data Engineer (Early Career) (Canada)
Jobright.ai
Canada
Full-time
Jobright is your personal AI job search agent transforming the job search process. They are seeking an early-career Data Engineer to design and build data pipelines, ensuring data quality…
Added 1 hour ago
Cloud Engineer - Early Career (Canada)
Jobright.ai
Canada
Full-time
Jobright is your personal AI job search agent that transforms the way you do job search. They are seeking a Cloud Engineer to provision and manage cloud infrastructure, build CI/CD…
Added 1 hour ago
Full Stack Engineer - Azure & Microsoft
Emterra Group
Oakville, ON
Full-time
We are looking for a skilled Full Stack Engineer to design, build, integrate, and operate secure enterprise applications on the Microsoft Azure platform. This role owns application…
Added 1 hour ago
Senior AI Infrastructure & Platform Engineer
Experis Canada
Toronto, ON
$90 to $120 CAD / hour
Contract
…solutions sector, is seeking a Senior AI Infrastructure & Platform Engineer to join their innovative team. As a Senior AI Infrastructure & Platform Engineer, you will be part of the…
Added 1 hour ago
Senior L3 AI Engineer (M365, Copilot & LLM Platforms)
K&K Global Talent Solutions INC.
Quebec, QC
Full-time
Position: Senior L3 AI Engineer (M365, Copilot & LLM Platforms)
Added 1 hour ago
AI Engineer, Entry Level (Canada)
Jobright.ai
Canada
Full-time
…the job search experience. They are seeking an entry-level AI Engineer to build and refine autonomous AI agents, develop sophisticated prompt engineering workflows, and integrate Large…

Epsilon Solutions Ltd.

Offensive Security Engineer

Toronto, ON, Canada

Job type: Contract
Apply by: Oct 21, 2026
Posting language: English
Posted: Sep 21, 2026

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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

You will architect and operationalize end-to-end agentic AI systems to detect, exploit, and remediate vulnerabilities across application and infrastructure estates. Additionally, you will build reusable AI skills and tooling to scale vulnerability management while conducting red team exercises to validate defensive controls.

Requirements

The role requires 10+ years of hands-on experience in software engineering, offensive security, and defensive security at a principal level. Candidates must possess deep technical fluency in multiple programming languages, vulnerability classes, and modern agentic AI coding frameworks.

Skills

Offensive Security
Defensive Security
Agentic AI
Penetration Testing
Software Engineering
Vulnerability Management
CI/CD Pipelines
Prompt Engineering
Red Teaming
Secure Code Review
Python
Java
Docker
Kubernetes
Cloud-native
Application Security

Visa sponsorship

Not detected in the job text

Keywords

Offensive Security Engineer
Agentic AI
Cybersecurity
Penetration Testing
Red Teaming
SAST
DAST
SCA
IAST
CI/CD
Docker
Kubernetes
Python
Java
JavaScript
TypeScript
Go
Prompt Engineering
Vulnerability Research
OSCP
CISSP
OWASP Top 10
SANS 25
Cloud-native
Reverse Engineering
Secure Code Review
Automation
Risk Management
Financial Services
Compliance

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