Senior Cyber Security Specialist

Senior Cyber Security Specialist (Calgary) Overview Our team is hiring a Sr. Cyber Security Specialist to join our growing team and working on critical transportation system in Calgary. 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 and in the specialized field of Industrial Control Systems (ICS) and critical infrastructure to a key client. The Sr. Cyber Security Specialist leads the cybersecurity program to define resilient solutions, processes, and systems for the protection of people and critical infrastructure, through 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. Responsibilities & Qualifications Develop and 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 IT, engineering, and operations teams to align cybersecurity strategies across networks. Conduct risk assessments and evaluate the effectiveness and impact of mitigation strategies. 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. Assist in incident response and recovery activities within OT environments. Manage client relationships, and advise on recommended actions. Lead and mentor junior staff on projects and teams. Security certifications or demonstrated experience: CISSP, GICSP, OSCP, C|EH, CISM, IEC 62443 Fundamentals, CompTIA Security+, CCNP, etc. Experience in critical infrastructure and IC S/OT in the transportation industry. Understanding of IT/OT systems including servers, networks, workstations, and infrastructure. Understanding of Cyber Security roles and responsibilities. Deep knowledge of cyber security frameworks and standards, including APTA, NIST, ISA/IEC 62443, and ISO . Familiarity with OT‑specific cybersecurity platforms and tools (e.g., Claroty, Nozomi, Dragos). Additional Considerations (preferred but not mandatory): 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.). Bilingual French / English is an asset but not required. Attributes: 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. 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. Make it brilliant, a career with AtkinsRéalis #J-18808-Ljbffr