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EHS Specialist
Veolia | North America
Guelph, ON
- Full-time
Veolia Group is a global leader in environmental services, operating across all five continents with nearly 218,000 employees. Specializing in water, energy, and waste management, Veolia…
Added 3 mins ago
DC
Electrical Engineer
Dillon Consulting Limited
St. John's, NL · Halifax, NS · Sydney Indian Reserve No. 28A, NS · Sydney, NS
- Full-time
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Added 3 mins ago
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EHS Specialist
Veolia Environnement SA
Guelph, ON
- $80,000 to $100,000 CAD / year
- Full-time
Veolia Group is a global leader in environmental services, operating across all five continents with nearly 218,000 employees. Specializing in water, energy, and waste management, Veolia…
Added 3 mins ago
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Managing Director, Sector Lead - Non-Bank Financial Institutions, New York, Colorado, and Toronto
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- Full-time
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Added 18 mins ago
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Added 18 mins ago
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Added 18 mins ago
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Added 18 mins ago
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Added 18 mins ago
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Talent Program Operations and Delivery Team Lead
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The position plays a lead role in the operational delivery and intelligence functions of Talent Management, bringing together program coordination, workforce insights, and reporting to…
Added 34 mins ago
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Added 34 mins ago
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Added 34 mins ago
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We are seeking an exceptional leader for the role of Hospitality Manager. Reporting to the Senior General Manager, this position is responsible for shaping the resident experience through a…
Added 34 mins ago
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Applied Machine Learning Scientist I
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Added 49 mins ago
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Added 49 mins ago
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Added 49 mins ago
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- Full-time
…automation, and Industry 4.0? Join Enero Solutions, a fast-growing leader in industrial process control engineering, and help expand our impact across Canada, the United States, France, and…
Added 49 mins ago
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Added 49 mins ago
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EHS Specialist
Veolia | Water Tech
Guelph, ON
- $80,000 to $100,000 CAD / year
- Full-time
Veolia Group is a global leader in environmental services, operating across all five continents with nearly 218,000 employees. Specializing in water, energy, and waste management, Veolia…
Added 1 hour ago
KD
Sales, Account Executive Consulting/Gestionnaire de comptes, Ventes
KPI Digital Solutions
Montreal, QC
- Other

Graystone Group

Practice Lead - Offensive Security & Red Teaming

Canada

Full-time

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Job details

Job type: Full-time
Experience: 10+ years of progressive cybersecurity experience, including significant expertise in penetration testing, offensive security, or red teaming.
Posting language: English
Posted: Nov 6, 2026

Original job description

Position Overview

Graystone Group is exclusively partnered with an established, publicly traded cybersecurity organization seeking an experienced Practice Lead – Offensive Security & Red Teaming to lead, manage, and expand its Canadian offensive security practice.

This is a high-impact leadership opportunity for a technically accomplished cybersecurity professional who combines deep expertise in penetration testing, red teaming, and adversarial security assessments with the ability to lead technical teams, manage enterprise client engagements, and drive the growth of a revenue-generating professional services practice.

The Practice Lead will oversee the delivery and continued development of the organization's offensive security capabilities, including network and application penetration testing, red team operations, adversary simulation, and emerging AI red teaming services. The individual will also play a key role in developing new service offerings, supporting business development, and expanding the organization's presence across the Canadian market.

The ideal candidate is a proven offensive security practitioner who has progressed into practice leadership while maintaining strong technical credibility, a client-focused approach, and a commercial mindset.

Key Responsibilities

Offensive Security Practice Leadership

Lead and oversee the Canadian offensive security practice, including penetration testing, red teaming, adversary simulation, and vulnerability assessments.
Manage, mentor, and develop a team of penetration testers, offensive security consultants, and technical security specialists.
Provide technical leadership and quality oversight across complex engagements involving enterprise networks, applications, APIs, cloud environments, and infrastructure.
Establish and continuously improve testing methodologies, technical standards, reporting processes, and engagement delivery frameworks.
Serve as a senior technical escalation point and trusted advisor for complex client security challenges.
Maintain hands-on technical involvement when necessary while providing strategic direction to the practice.

AI Red Teaming & Emerging Security Services

Lead the development and expansion of AI red teaming and adversarial AI security assessment capabilities.
Oversee security assessments of large language models (LLMs), generative AI applications, autonomous AI agents, and enterprise AI integrations.
Guide testing methodologies addressing prompt injection, jailbreaks, data leakage, insecure tool use, agent manipulation, and other AI-specific vulnerabilities.
Apply established and emerging frameworks, including the OWASP Top 10 for LLM Applications and MITRE ATLAS.
Identify opportunities to develop repeatable AI security testing methodologies, automation capabilities, and new client-facing service offerings.
Collaborate with technical leadership to position the organization at the forefront of emerging offensive security and AI security services.

Professional Services & Client Delivery

Oversee the successful execution of offensive security engagements for enterprise and government customers.
Partner with clients to define engagement objectives, establish technical scope, and recommend appropriate security testing approaches.
Lead technical discussions, communicate findings, and present actionable security recommendations to senior technical and executive stakeholders.
Support the development of statements of work (SOWs), proposals, technical presentations, and consulting engagements.
Ensure engagements are delivered on time, within scope, and in accordance with established quality and profitability expectations.
Build and maintain strong client relationships while identifying opportunities for expanded security services.

Practice Growth & Business Development

Partner with executive leadership and sales teams to drive the growth of the Canadian offensive security practice.
Contribute to practice strategy, revenue growth, service development, and market positioning.
Support client acquisition, strategic account expansion, and technical pre-sales activities.
Participate in resource planning, consultant utilization, delivery profitability, and overall practice performance.
Identify emerging market opportunities and translate customer requirements into commercially viable cybersecurity offerings.
Recruit, develop, and retain technical talent as the practice continues to expand.

Digital Forensics & Incident Response

Collaborate with digital forensics and incident response teams to support complex security engagements where applicable.
Provide technical oversight or advisory support for incident investigations, post-incident assessments, and related security services.
Identify opportunities to integrate offensive security testing with incident readiness, threat detection, and response capabilities.

Required Qualifications

10+ years of progressive cybersecurity experience, including significant expertise in penetration testing, offensive security, or red teaming.
Demonstrated experience leading an offensive security, penetration testing, or cybersecurity consulting team or practice.
Strong technical background in network, infrastructure, application, API, and cloud security testing.
Experience delivering client-facing cybersecurity consulting or professional services engagements.
Proven ability to manage technical consultants, oversee multiple engagements, and maintain high standards of delivery quality.
Strong understanding of adversarial testing methodologies, attack techniques, and modern offensive security frameworks.
Working knowledge of AI security risks, LLM vulnerabilities, and emerging AI red teaming methodologies.
Experience supporting business development, technical proposals, SOW development, and client engagement scoping.
Excellent communication and relationship management skills, with the ability to engage technical teams and executive stakeholders.
Ability to balance technical leadership, operational execution, and commercial practice growth.
Must be based in Canada.

Preferred Qualifications

Experience building, scaling, or managing a revenue-generating offensive security consulting practice.
Hands-on experience with AI red teaming, LLM security assessments, or adversarial testing of generative AI applications.
Familiarity with OWASP, MITRE ATT&CK, MITRE ATLAS, PTES, and related offensive security frameworks.
Experience with penetration testing and red teaming tools such as Burp Suite, Metasploit, Cobalt Strike, BloodHound, Nmap, and custom Python-based tooling.
Exposure to AI security testing tools or frameworks such as PyRIT, garak, or comparable technologies.
Experience with digital forensics, incident response, threat hunting, or purple teaming.
Experience managing practice revenue, delivery margins, consultant utilization, or P&L performance.
Relevant certifications such as OSCP, OSEP, OSCE3, CRTO, GXPN, GPEN, CISSP, or equivalent practical experience.
Experience supporting enterprise, financial services, critical infrastructure, or government customers.

Ideal Candidate

The ideal candidate is an established offensive security leader with a strong foundation in hands-on penetration testing and red teaming who has successfully transitioned into leading technical teams and managing client-facing professional services engagements.

This individual understands both the technical and commercial aspects of operating a cybersecurity consulting practice and brings the credibility to lead experienced penetration testers while partnering with executive leadership to expand the business.

They will also bring a strong interest in emerging technologies, particularly AI security and adversarial testing, and the ability to help develop and commercialize new capabilities as enterprise adoption of artificial intelligence accelerates.

Above all, this is an opportunity for a technically credible, commercially minded leader to take ownership of a growing offensive security practice and play a meaningful role in its continued expansion across Canada.

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More about this job

Responsibilities

Lead and grow the Canadian offensive security practice, overseeing penetration testing, red teaming, AI security assessments, team development, and the quality of client engagements. Drive service development and business growth while managing client relationships, delivery performance, and collaboration with incident response teams.

Requirements

Requires 10+ years of progressive cybersecurity experience, substantial offensive security expertise, and demonstrated leadership of a technical team or consulting practice. Candidates must be based in Canada and bring client-facing consulting experience, strong technical breadth, and the ability to support commercial growth; AI security knowledge is also required.

Skills

Offensive Security
Penetration Testing
Red Teaming
Adversary Simulation
AI Red Teaming
Network Security Testing
Application Security Testing
API Security Testing
Cloud Security Testing
Team Leadership
Client Engagement Management
Professional Services Delivery
Business Development
Practice Growth
Digital Forensics
Incident Response

Visa sponsorship

Not detected in the job text

Keywords

Penetration Testing
Red Teaming
Adversary Simulation
Vulnerability Assessments
AI Red Teaming
Large Language Models
Generative AI
Autonomous AI Agents
Prompt Injection
Jailbreaks
Data Leakage
Insecure Tool Use
OWASP Top 10 for LLM Applications
MITRE ATLAS
MITRE ATT&CK
PTES
Burp Suite
Metasploit
Cobalt Strike
BloodHound
Nmap
Python
PyRIT
Garak
Digital Forensics
Incident Response
Threat Hunting
Purple Teaming
OSCP
CISSP

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