Lead Operational Technology & Cybersecurity Specialist

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.

This new position will be responsible for assisting multiple projects in the support and maintenance of technology solutions in the areas of Operational Technology (OT) including networking, servers, virtualization, and security technologies. The candidate has thorough Microsoft Windows, Active Directory, networking and cybersecurity concepts.

This is not an information technology (IT) position.  

Responsibilities for this role include:

• Provide strategic operational technology (OT) guidance and expertise for critical infrastructure projects.
• Design and implement secure OT solutions—including network architecture, virtualization, redundancy, and cybersecurity design.
• Install, configure, and maintain OT networks, servers, firewalls, and cybersecurity tools to ensure reliable and secure operations.
• Troubleshoot complex OT network issues and perform system testing, commissioning, and validation in both lab and field environments.
• Prepare and maintain detailed technical documentation—including network diagrams, architecture drawings, as-built records, and standard operating procedures.
• Support construction and procurement activities, reviewing designs, installations, equipment submittals, and vendor work to ensure quality and compliance.
• Collaborate with project teams, clients, and vendors to meet project goals for quality, budget, and schedule, including on-site support during implementation.
• Serve as a cybersecurity consultant in the OT space, ensuring compliance with security policies, industry regulations, and best practices.
• Conduct ICS cybersecurity vulnerability assessments and support continuous improvement in OT security posture.
• Mentor junior staff, contribute to business development, and maintain strong client relationships to identify new opportunities.

The minimum qualifications for this position are:

• 8 years of OT experience with Microsoft Windows Server design and administration, virtualization and converged platform technology design, implementation, and troubleshooting.
• 5 years of OT experience with LAN and WAN design, implementation and troubleshooting for switches, routers, firewalls and various other network equipment

Preferred Qualifications:

• 10 years of Microsoft based systems experience.
• 5-10 years industrial network experience
• BS in Computer Science or a similar field
• Strong communication, teamwork, and problem-solving skills, with the ability to manage multiple priorities effectively.
• Proven experience preparing technical design documentation and reports.
• Proficient in network analysis and penetration testing tools such as NMAP, Wireshark, Metasploit, Rapid7 Nexpose, or BackTrack.
• Professional certifications such as GICSP, GPEN, GRID, CISSP, CISM, OSCP, CISA, or equivalent are highly valued.

• Sponsorship for Canadian employment authorization is not available for this position

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 2025. 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. Artificial intelligence will be used to support the screening, assessment, and selection of applicants for this role. Final hiring decisions are made by the hiring team.