**Company Description** **Work with Us. Change the World.** At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations. There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. We're one global team driven by our common purpose to deliver a better world. Join us. **Job Description** AECOM is seeking a **Senior Cyber Security Specialist - Airport** to join our team. This position is based on-site, out of Mississauga. We are seeking professionals to join our team to help us build one of the most advanced, sustainable and passenger-friendly airports in the world. Responsible for the evaluation and deployment of security software and applications that protect the organization’s information and information systems from unauthorized access, use, disclosure, disruption, modification or destruction supporting the goals of protecting the confidentiality, integrity and availability of information. + Oversee the assessment of vulnerabilities across operational technology (OT) environments, utilizing specialized tools like Claroty for in-depth analysis. + Provide strategic, actionable guidance to reduce cybersecurity risks and strengthen overall OT security posture. + Perform comprehensive risk evaluations and measure the success of applied mitigation techniques using Claroty’s platform. + Ensure that OT network architectures align with cybersecurity benchmarks and support performance optimization objectives. + Design, deploy, and uphold cybersecurity measures for various OT systems such as SCADA, PLCs, DCS, and HMIs. + Participate actively in OT-specific incident response and recovery processes. + Implement and uphold cybersecurity governance within OT, following standards like NIST, IEC 62443, and ISO 27001. + Foster cross-functional collaboration with IT, engineering, and operations teams to harmonize cybersecurity practices across the organization. + Drive initiatives including OT network segmentation, secure remote access solutions, asset tracking, and structured patch management programs. + Facilitate training sessions and awareness campaigns to elevate cybersecurity knowledge within OT personnel. **Qualifications** **Minimum Requirements:** Bachelors in Engineeringor related fieldplus 10 Years of relevant experienceor demonstrated equivalency of experience and/or education At least 3 years of hands-on experience in Operational Technology (OT) cybersecurity **Preferred Requirements:** + At least **10 years of hands-on experience** working in operational technology (OT) settings, with a strong track record of architecting and securing OT networks and infrastructures. + Proven proficiency in **ICS/SCADA ecosystems** , including detailed knowledge of components such as **PLCs, HMIs, and DCS platforms** . + Familiar with **industry-recognized OT cybersecurity tools** , including platforms like **Claroty, Nozomi, and Dragos** , used for monitoring and safeguarding OT environments. + Skilled in executing **risk assessments** , managing vulnerabilities, and ensuring **regulatory compliance** across industrial control systems. + Comprehensive understanding of **cybersecurity frameworks** and standards, particularly **NIST, IEC 62443, and ISO/IEC 27001** . + Background in **critical infrastructure domains** such as energy, utilities, manufacturing, or transportation, with applicable OT cybersecurity experience. + Capable of effectively **translating between IT and OT teams** , bridging the gap between business needs and technical solutions. **Additional Information** This position requires work on-site/out of the office 5 days a week. **About AECOM** AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com. **What makes AECOM a great place to work** You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. **ReqID:** J10133170 **Business Line:** B&P - Buildings & Places **Business Group:** DCS **Strategic Business Unit:** Canada **Career Area:** Information Technology **Work Location Model:** On-Site **Legal Entity:** AECOM Canada ULC