Security Officer, ACSO

Aecon • Toronto, ON

48d • $100,000 - $150,000

About The Position

As the Security Officer, ACSO, you will support Aecon’s Chief Security Officer in leading and overseeing project, site, personnel, and information security programs across assigned Aecon projects. Operating within a high‑compliance environment, you will help ensure Aecon projects meet all applicable federal, regulatory, and contractual security obligations.

In this role, you will act as a key liaison with federal and regulatory agencies, and work closely with internal partners across Operations, HR, Legal, and IT to embed security requirements into Aecon’s project delivery, culture, and infrastructure.

Requirements

• Demonstrated sound judgment, discretion, and professionalism when handling sensitive information
• Excellent understanding of information security, confidentiality standards, and records management requirements
• Proven ability to interpret and apply project‑specific security requirements outlined in contracts and agreement documents
• Prior experience administering security clearances and managing controlled or protected information
• Highly self‑directed; able to work independently with minimal day‑to‑day oversight while driving alignment and understanding across stakeholders
• Exceptional organizational and time‑management skills with the ability to manage multiple priorities in a fast‑paced environment

Responsibilities

• Provide direct support to the Company Security Officer in the execution of security governance and oversight responsibilities
• Deliver operational, administrative, and advisory support to ensure internal and external security protocols, standards, and procedures are consistently applied
• Oversee and administer security clearance processes for employees, subcontractors, and third‑party partners, as required
• Maintain and manage all records and data required to obtain and sustain security clearances, including highly confidential and sensitive information
• Liaise with relevant government agencies, regulatory bodies, and external authorities on security‑related matters
• Develop company‑ and project‑specific tools, materials, and resources to support awareness, training, and understanding of security requirements
• Establish, administer, and maintain security documentation, policies, and procedures to demonstrate and ensure compliance
• Act as a central point of coordination between internal teams and external stakeholders on security matters
• Monitor, interpret, and communicate changes to security policies, directives, and requirements, advising stakeholders on implications and next steps
• Support assessments and determinations related to access level and clearance requirements, aligned with project and contractual obligations

Benefits

• Ensure you and your family receive the services needed to support your mental, emotional, and physical well-being.
• Believe in helping you build your career through our Aecon University and Leadership Programs.
• Are committed to supporting and investing in inclusive work environments, through initiatives like Equity, Diversity & Inclusion training, our Aecon Women in Trades and Aecon Diversity in Trades programs, and our Employee Resource Groups (ERGs) to ensure we are building inclusion into every aspect of our culture at Aecon.
• Are a leader in sustainable construction. With a strong commitment to operating responsibly by minimizing our impact on the environment and surrounding communities.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 1,001-5,000 employees