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AtkinsRéalis

Cyber Security Specialist

Montreal, QC, Canada
Quebec, QC, Canada

Full-time

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Applications open in a new tab.

Job details

Job type: Full-time
Posting language: English
Posted: Nov 6, 2026

Original job description

Job Description

Overview

We are seeking a Cyber Security expert to join our growing team and working on critical infrastructure. This role aligns with AtkinsRéalis’ mission to transform, embrace digital technologies, and ensure continuous growth of its Industrial Cyber Security capabilities.

The successful candidate will provide security and risk oversight in the specialized field of cybersecurity and Industrial Control Systems (ICS). Our project team leads the cybersecurity program to define resilient solutions, processes, and systems for the protection of people and critical infrastructure projects, through design and delivery of a secure infrastructure.

Role Alignment:

Connect people, data, and technology to transform the world's infrastructure and energy systems.
Align with AtkinsRéalis’ mission to engineer a better future for our planet and its people.

This position is based at our project office in Québec City, requiring the candidate to be in the office.

Your role

Implement the Cybersecurity Program for design and build of the rail system. This role is responsible for identifying and mitigating cyber risks, ensuring compliance with industry standards, and facilitating collaboration across technology stakeholders.
Plan cyber security activities and apply a risk-based approach in all phases of the project: feasibility, design, test & commissioning, and into operation of the project.
Promote and enforce OT cybersecurity policies and procedures based on APTA, NIST, IEC 62443, and/or ISO 27001 standards.
Collaborate with engineering, technology, and operation teams to align strategies across networks.
Conduct risk assessments and evaluate the effectiveness and impact of mitigation strategies.
Perform gap assessments and threat & vulnerability assessments as per industry standards by identifying critical assets and engaging associated stakeholders.
Respond to information security issues during each stage of a project’s lifecycle.
Define cyber security requirements to the suppliers and engage in the procurement activities.
Provide actionable recommendations to mitigate cybersecurity threats and improve OT security posture.
Deliver project inputs to meet overall project timelines and requirements.

About you

Diploma or degree in related field.
Security certifications or demonstrated experience: CISSP, GICSP, OSCP, C|EH, CISM, IEC 62443 Fundamentals, CompTIA Security+, CCNP, etc.

Experience/knowledge of critical infrastructure and ICS/OT in the transportation industry.
Understanding of IT/OT systems including servers, networks, workstations, and infrastructure.
Knowledge of cyber security frameworks and standards, including APTA, NIST, ISA/IEC 62443, and ISO 270001.
Bilingual French/English required.*
Critical thinking and excellent communication skills, both written and verbal.
Desire to lead and develop junior team members.
Strong problem-solving skills and creativity.
Desire to learn and grow in a fast-paced cyber security field.

Additional Considerations (preferred but not mandatory):

Experience in security and technology relating to cybersecurity, network architecture, and/or risk management programs.
Understanding of other technology systems:
- Automation/SCADA/Control Systems.
- Telecommunications/Network Technology.
- Information Technology/Data Centre.
- Computer Sciences/Software Engineering.
Additional certifications (e.g., CCNA, CISA, ISO27001 LI).
Demonstrated experience with compliance and regulation (NERC-CIP, CSA, NIS, etc.).
Familiarity with OT-specific cybersecurity platforms and tools (e.g., Claroty, Nozomi, Dragos).

* This position requires knowledge of a language other than French, namely English, as it involves collaboration with members of the Canadian or global leadership team located outside Québec.

Rewards & benefits

Explore the rewards and benefits that help you thrive – at every stage of your life and your career at AtkinsRéalis in Canada.

Enjoy competitive compensation, employee recognition, and a brilliant range of flexible benefits you can tailor to your health, wellbeing, financial and lifestyle needs.

Make the most of diverse opportunities for training and professional development to grow your skills and expertise.

And take advantage of our hybrid working culture and generous time-off policies to balance a fulfilling career with your personal life.

Be rewarded. Find out more.

About AtkinsRéalis

We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.

Find out more.

Additional information

AtkinsRéalis cares about your privacy. AtkinsRéalis and other subsidiary or affiliated companies of AtkinsRéalis (referred to throughout as “AtkinsRéalis”) are committed to protecting your privacy. Please consult our Privacy Notice on our Careers site to know more about how we collect, use, and transfer your Personal Data.

By submitting your personal information to AtkinsRéalis, you confirm that you have read and accept our Privacy Notice.

Worker Type

Employee

Job Type

Regular

At AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.

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More about this job

Responsibilities

The successful candidate will implement the cybersecurity program for rail system design and build, ensuring risk mitigation and compliance with industry standards. They will collaborate with engineering and operations teams to define resilient security solutions and protect critical infrastructure.

Requirements

Candidates must hold a diploma or degree in a related field and possess relevant security certifications such as CISSP, GICSP, or CISM. Strong knowledge of IT/OT systems, cybersecurity frameworks, and experience in critical infrastructure or the transportation industry is required.

Skills

Cybersecurity
Industrial Control Systems
Risk assessment
OT security
Network architecture
Compliance
Vulnerability assessment
Critical infrastructure
ISO 27001
IEC 62443
NIST
APTA
SCADA
Problem-solving
Communication
Leadership

Benefits

Competitive compensation
Employee recognition
Flexible benefits
Training and professional development
Hybrid working culture
Generous time-off policies

Visa sponsorship

Not detected in the job text

Keywords

Cyber Security
Industrial Control Systems
ICS
OT
IT
Risk Management
Compliance
NIST
IEC 62443
ISO 27001
APTA
CISSP
GICSP
OSCP
CISM
CompTIA Security+
CCNP
SCADA
Automation
Telecommunications
Network Technology
Data Centre
Software Engineering
NERC-CIP
Claroty
Nozomi
Dragos
Infrastructure
Rail System
Threat Assessment

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