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Added 1 month ago
AI - Full Stack Engineer
Emterra Group
Remote, Canada
$110,000 to $120,000 CAD / year
Full-time · Remote
Develop scalable web applications and APIs using modern frameworks (React, Angular, or Vue.js on the front end; .NET, Node.js, or Python on the back end)
Added 27 days ago
Senior Tech Lead
Maarut
Levis, QC
Contract
contributions to the delivery of medium to large-scale .NET systems. The
Added 27 days ago
Associate QA
Appnovation Technologies
Vancouver, BC
…get hands-on exposure to API and integration testing against .NET services, multi-tenant permission testing under Keycloak and OpenFGA, and validating data that flows from PostgreSQL into a…
Added 27 days ago
GRO Program - Technology (Toronto)
Manulife
Toronto, ON
Full-time
Develop competency with possible supporting tools such as Java, JavaScript, Spring Boot, Git, CI/CD, ReactJS, Azure AKS/ACS, APIM, Salesforce, .NET., and AI Tools and Prompt Engineering.
Added 27 days ago
Full Stack Software Developer (Full-time; Hybrid)
Mainstreet Credit Union Limited
Chatham-Kent, ON · Sarnia, ON · Strathroy, ON
$84,788 to $105,985 CAD / year
Full-time
As our Full Stack Software Developer you will build, deploy, and maintain internal software applications for Mainstreet Credit Union. You will work within a primarily Microsoft technology…
Added 16 days ago
GRO Program - Technology (Montreal)
Manulife
Montreal, QC
Full-time
Develop competency with possible supporting tools such as Java, JavaScript, Spring Boot, Git, CI/CD, ReactJS, Azure AKS/ACS, APIM, Salesforce, .NET., and AI Tools and Prompt Engineering.
Added 1 month ago
Developer
Java Holdings Ltd
Calgary, AB
Full-time
…Management) services. We are seeking a motivated, detail-oriented Developer to join our growing software development team in the Edmonton or Calgary…
Added 1 month ago
Developer
Java Holdings Ltd
Edmonton, AB
Full-time
…Management) services. We are seeking a motivated, detail-oriented Developer to join our growing software development team in the Edmonton or Calgary…
Added 1 month ago
AI Engineer
Pinpoint Global Communications
Canada
Full-time
You'll embed directly in our engineering team, working hands-on inside our .NET codebase and broader product suite. Your mission is to act as an organizational force multiplier - turning…
Added 1 month ago
Senior .NET Developer - Kafka
Tamanna Technology
Toronto, ON · Greater Toronto Area, Canada
Contract
We are seeking a highly skilled .NET C# developer with deep expertise in Kafka, modern .NET (Core/6/7+), and experience across frontend, cloud (Kubernetes), and DevOps. Experience with…
Added 1 month ago
Full Stack Developer
J&M Group
Toronto, ON
Contract
We are seeking an experienced Full Stack Developer with minimum 10 years of experience to design and develop modern cloud-native applications using React, Next.js, Node.js/.NET, and Azure…
Added 1 month ago
Sr. Software Engineer - Full-Stack & Front End
MultiTech
Toronto, ON
$130,000 to $160,000 USD / year
Full-time
Expertise in .NET / ASP.NET Core, Entity Framework Core, REST APIs, gRPC and GraphQL
Added 27 days ago
Technical Lead, Software Development
Price Industries Limited
Winnipeg, MB
Design, build, and maintain scalable services and applications using .NET technologies.
Added 27 days ago
Senior Technology Specialist, Core Systems Developer
Equitable
Waterloo, ON
Prominent level of proficiency in .NET/C#, and at least 5+ years of experience
Added 1 month ago
Dotnet Developer
Kumaran Systems
Toronto, ON · Greater Toronto Area, Canada
Full-time
Seeking a highly skilled Senior .NET Full Stack Developer with 7–10 years of strong expertise in C#, .NET technologies, SQL Server, Angular, and Azure Cloud services. The ideal candidate…
Added 1 month ago
Business Systems & Technology Lead - Manufacturing
Robertson & Company Ltd.
Uxbridge, ON
Full-time
Strong hands-on development experience using C#, .NET, Python, Java, C++ or comparable technologies.
Added 27 days ago
Workflow Automation Developer
Stikeman Elliott
Toronto, ON
Full-time
Reporting to the Director, Application Services, the Workflow Automation Developer designs, builds, and supports workflow and process-automation solutions across the firm’s low-code and…
Added 27 days ago
DevOps Engineer (Cloud Infrastructure)
Tecsys Inc.
Remote, Canada
Remote
4+ years supporting high-volume, highly available Java/.NET production systems.
Added 1 month ago
Dotnet Developer
Kumaran Systems
Toronto, ON
Full-time
Programming Skills: You are a strong hands-on developer proficient in one or more programming languages such as C#, Python, and JavaScript/TypeScript. You have experience with modern…
Added 1 month ago
Développeur(euse) CloudOps / CloudOps Developer
Genetec
Montreal, QC
Full-time
Added 1 month ago
Systems Testing/QA Specialist
J&M Group
Toronto, ON
Full-time
Added 1 month ago
Database Reliability Engineer
Lifemark Health Group
Brampton, ON
$90,000 to $120,000 CAD / year
Full-time
Design, deploy, administer, and maintain Microsoft SQL Server databases supporting C#/.NET applications.
Added 1 month ago
Director, Technology Delivery and Enablement
Lifemark Health Group
Brampton, ON
$130,000 to $160,000 CAD / year
Full-time
Proficiency in .NET development, relational databases, and cloud platforms; Azure experience is preferred.
Added 17 days ago
Lead System Administrator
Royal Bank of Canada
Toronto, ON
Full-time
Scripting/Programming background including PowerShell/.Net/C/C++/T-SQL.
Added 1 month ago
Software Engineer, Full-Stack Applications Associate Director (Ratings Technology)
Fitch Group, Inc.
Toronto, ON
Full-time
…highly experienced software engineer with deep expertise in .NET and React , strong software engineering fundamentals, and a passion for building scalable, reliable, and user-focused…

Closed listing

Synechron

Offensive Security Engineer

Toronto, ON, Canada

Pay: $110,000 to $120,000 CAD / year
Job type: Full-time
Closing date: Sep 25, 2026
Posting language: English
Posted: Aug 26, 2026

This opening has closed.

The original listing is kept below for reference.

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Original job description

Archived listing. The details below describe a past opening.

We are

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more. Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With top clients to boast about, Synechron has a global workforce of 17,000 people, across 57 offices, in 22 countries, in key global markets..

Our challenge

As “Principal Consultant, Agentic AI Cybersecurity Engineer” Candidate 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, candidate 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. Candidate will also build reusable AI skills, prompts, and tooling that make agentic vulnerability management efficient and scalable across the estate. Candidate 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.

Additional Information*

The base salary for this position will vary based on geography and other factors. In accordance with law, the base salary for this role if filled within Toronto, ON is CAD $130k – CAD $140k/year & benefits (see below).

The Role

Responsibilities:

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.

Requirements:

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.

Preferred, but not required:

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.

We offer:

A multinational organization with 57 offices in 22 countries and the possibility to work abroad.
15 days (3 weeks) of paid annual leave plus an additional 10 days of personal leave (floating days and sick days).
A comprehensive insurance plan including medical, dental, vision, life insurance, and long-term disability.
Flexible hybrid policy.
RRSP with employer’s contribution up to 4%.
A higher education certification policy.
On-demand Udemy for Business for all Synechron employees with free access to more than 5000 curated courses.
Coaching opportunities with experienced colleagues from our Financial Innovation Labs (FinLabs) and Center of Excellences (CoE) groups.
Cutting edge projects at the world’s leading tier-one banks, financial institutions and insurance firms.
A truly diverse, fun-loving and global work culture.

SYNECHRON’S DIVERSITY & INCLUSION STATEMENT

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

About employer

More about this job

Responsibilities

Architect and operate an end-to-end agentic AI patching pipeline to discover, exploit, and remediate vulnerabilities across application and infrastructure estates. Develop reusable AI skills and prompts while integrating autonomous security remediations into enterprise CI/CD pipelines.

Requirements

Requires principal-level expertise in software engineering and offensive/defensive security with proficiency in multiple languages like Java, Python, and C++. Must have deep fluency in vulnerability classes and hands-on experience with agentic AI coding tools and frameworks.

Skills

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

Benefits

Paid annual leave
Personal leave
Medical insurance
Dental insurance
Vision insurance
Life insurance
Long-term disability insurance
Flexible hybrid policy
RRSP with employer contribution
Higher education certification policy
Udemy for Business access
Coaching opportunities

Visa sponsorship

Not detected in the job text

Keywords

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

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