Senior Cyber Security Specialist

Sr. Cyber Security Specialist Overview Our team is hiring a Sr. Cyber Security Specialist to join our growing team and work on a 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 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. This position is based at our project office in Calgary, requiring the candidate to be in the office. Your role Develop and implement the Cybersecurity Program for design and build of the rail system. Identify and mitigate cyber risks, ensure compliance with industry standards, and facilitate 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 operation. 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 suppliers and engage in 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. About you Security certifications or demonstrated experience: CISSP, GICSP, OSCP, CEH, CISM, IEC 62443 Fundamentals, CompTIA Security+, CCNP, etc. Experience in critical infrastructure and IRS/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. 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. 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. 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. Employment type Worker Type: EmployeeJob Type: Regular EEO Statement 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. #J-18808-Ljbffr