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Added 1 month ago
LI
Senior Java Software Engineer
LanceSoft, Inc.
Montreal, QC
- Contract
The ideal candidate will support designing, building, and integrating systems. Java and Web development experience is essential. Strong communication and interpersonal skills are essential.…
Added 1 month ago
PC
Développeur.euse Java Full Stack / Java Full Stack Developer x2 (Signature)
Portage CyberTech
Montreal, QC
- Full-time
Portage CyberTech is looking for a passionate Java Full Stack Developer, R&D-oriented, working on modern solutions in a microservices environment. The role involves backend and full stack…
Added 1 month ago
S
Java & Snowflake Developer
Synechron
Calgary, AB
- $75,000 to $85,000 CAD / year
- Full-time
We are seeking a Java & Snowflake Developer to join our technology team. The ideal candidate will have strong hands-on experience in Java development, Snowflake, and SQL, along with…
Added 1 month ago
ND
Tech Consultant - Senior Full-Stack Engineer
NTT DATA North America
Vancouver, BC
- Other
Develop scalable backend services using Java/Spring Boot or .NET/.NET Core.
Added 1 month ago
TC
Senior Java Software Engineer
TSR Consulting
Mississauga, ON
- Contract
TSR Consulting is currently seeking a highly motivated Java Full Stack/ Java Backend Developer for an opportunity in Mississauga, ON Hybrid
Added 1 month ago
TC
Angular Java Full Stack Developer
Tata Consultancy Services
Canada
- Full-time
We are seeking Software Engineers within the Technology Integration Platforms BSA that will play a critical role in designing, developing, and maintaining.
Added 1 month ago
CS
Integration Development Lead
Cloud SynApps Inc.
Mississauga, ON
- Contract
Owns the technical delivery of the integration build. Converts the architecture and design patterns defined by the Design Lead into an executable build plan, coding standards, and delivery…
Added 1 month ago
A
Développeur(euse) Java
Astek
Montreal, QC
- Full-time
Concevoir, développer et maintenir des applications Java robustes, évolutives et performantes, en environnement d'entreprise
Added 1 month ago
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Integration Systems Analyst
OntarioMD
Toronto, ON
- Full-time
The Integration Systems Analyst (ISA) works within the Application Support Team to maintain, administer, and support OntarioMD products and services. The ISA also assists in supporting the…
Added 1 month ago
I
Software Developer - Inteleshare
Intelerad
Canada
- Full-time
We are seeking a Software Developer to join the InteleShare team and contribute to Intelerad's secure, cloud-based medical image sharing platform. In this role, you will design and deliver…
Added 1 month ago
DI
Senior Full Stack Developer
Dawn InfoTek
Toronto, ON
- Contract
Develop and maintain full-stack applications using Angular and Java-based technologies
Added 1 month ago
ES
Offensive Security Engineer
Epsilon Solutions Ltd.
Toronto, ON
- Contract
Strong architectural knowledge of modern CI.CD, container platforms (Docker, Kubernetes), cloud-native deployment patterns, and integration of security automation into developer workflows.
Added 1 month ago
C
Ingénieur(e) solutions
ChapsVision
Montreal, QC
- Full-time
…solutions, accompagnerez les clients tout au long du processus d’intégration et contribuerez à leur réussite à long…
Added 1 month ago
Software Engineer, Entry-Level (Graduation Date Winter 2026 - Spring/Summer 2027)
DoorDash Canada
Toronto, ON
Experience working with at least one object-oriented programming language )e.g. Python, Java, Kotlin, etc.)
Added 1 month ago
ET
IoT and Controls Internship
Energy Toolbase
AB
- Full-time
Energy Toolbase (ETB) is seeking software developer interns for our IoT Controls teams for a 16-month internship from May 2027 until August 2028. During your internship at ETB, you will…
Added 1 month ago
T
SAP BTP Full-Stack and Integration Developer
Talan
Toronto, ON · Montreal, Québec
- $135,000 to $175,000 CAD / year
- Full-time
…Delivery for engagement assignment, the SAP BTP Full-Stack and Integration Developer builds the services, applications, and integrations designed for Talan…
Added 1 month ago
T
SAP AI Orchestration Developer
Talan
Toronto, ON · Montreal, Québec
- $140,000 to $200,000 CAD / year
- Full-time
…Delivery for engagement assignment, the SAP AI Orchestration Developer designs and builds AI-enabled business processes on the SAP Business AI…
Added 1 month ago
GD
Software Engineering Developer, Air & Naval Sonar
General Dynamics Missions System International
Dartmouth, NS
- Full-time
Collaborating with cross-functional teams to support system design, integration, and validation
Added 1 month ago
RT
Integration Engineer
Russell Tobin
Toronto, ON
- $65 to $75 CAD / hour
- Contract
Overview: Hiring a seasoned Integration Engineer with deep expertise in both Boomi and Workato, focused primarily on payroll and HR application integrations. The role requires 3–5 years…
Added 1 month ago
RT
Sr Integration Engineer (Intelligent Automation)
Russell Tobin
Toronto, ON
- $90 to $100 CAD / hour
- Contract
Expert-level Senior Integration Developer with Intelligent Automation experience to design, build, and govern mission-critical enterprise automation and integration solutions on Workato and…
Added 1 month ago
HT
Industrial Software Validation|
Husky Technologies
Bolton, ON
- Full-time
…and fluid power systems, this role ensures seamless system integration and defect-free performance that supports customer…
Added 1 month ago
LI
Java Software Engineer
LanceSoft, Inc.
Quebec, QC
- $60 to $70 CAD / hour
- Contract
We are seeking a hands-on full-stack Java engineer to design, build, and support new trade Supervisory Dashboard capabilities spanning server-side services and a modern React Ul, with a…
Added 1 month ago
T
Senior Software Engineer
Tactable
Toronto, ON
- Full-time
Collaborate with frontend teams to support integration of React-based user interfaces with backend APIs
Added 1 month ago
M
Java Software Engineer
mthree
Montreal, QC
- Full-time
Tier-one global investment bank is hiring a Java Developer for its Capital Technology team.
Added 1 month ago
Technical Lead, KPS (Payments Systems)
KEV Group
Toronto, ON
Strong programming skills in one or more modern languages such as C#, Java, TypeScript, Python, or Go.

Epsilon Solutions Ltd.

Offensive Security Engineer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
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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