Aecon delivers some of the most complex and impactful infrastructure projects — from transformative transportation networks to critical energy, industrial and nuclear programs. The projects we build connect communities and power future generations. With deep roots in North America and a strong footprint internationally, Aecon brings global expertise and proudly serves public and private sector clients through its Construction and Concessions segment.

Safety Always is not only our #1 core value – it is the standard that anchors our culture. We believe the most ambitious projects deserve the most committed people. At Aecon, you won’t just build your career — you’ll help build what matters to enable future generations to thrive.

Safety Always. The safety of our people, projects, partners, and stakeholders is our priority focus – today and always.
Inclusion. Ensure you and your family receive the services and benefits needed to support your mental, emotional, and physical well-being.
We help you build your career and advance your skills through our Aecon University, tuition reimbursement, and Leadership Programs.
Are committed to creating work environments focused on mutual respect, teamwork, collaboration, and new ideas, through meaningful initiatives, training, partnerships with Veteran groups, our Aecon Women in Trades and diversity programs, as well as our Employee Resource Groups (ERGs) , to ensure we are building with top talent and harnessing our collective strengths within every aspect of our culture.
Operate responsibly by managing risk, safety, and environmental considerations across all our projects and surrounding communities.

Together, we embrace strong execution, innovation, and continuous improvement — values that come to life through the unique talents and collaborative spirit of every team member. If you’re inspired to make a difference through future-building projects, join our best-in-class team.

CanAtom, a joint venture between AtkinsRéalis and Aecon, is delivering the Pickering Nuclear Generating Station Refurbishment Project under a collaborative contract with Ontario PowerGeneration. The joint venture is underway to complete the retube, feeder, and boiler replacement (RFBR) of Units 5–8. Building on the successful delivery of the Darlington Refurbishment Project,



theCanAtom team brings proven experience in safely executing complex nuclear projects on time and on budget to support Ontario’s clean energy future.

The Environmental, Health, and Safety (EHS) Advisor reports to the EHS Director through the Departmental Lead(s) and is responsible to provide health and safety advice and assistance to the
projects Line Supervisors. The EHS Advisor will audit the Project EHS Programs and work with the line organization to develop corrective actions with the goal of continuously improving health and safety in the workplace.

Drive an inclusive culture to promote equity, welcome different perspectives, and enable career progression by fostering a sense of belonging.
Support project specific conventional safety and environmental management plans and procedures including inspections, observation and coaching, WTCs and JHSCs.
Train project staff on the requirements of conventional safety procedures; Hot Work, Working at Heights, Dropped Object Prevention, Confined Spaces, Working on or around Electrical Equipment, Ergonomics, etc.Track and report safety-related statistics, help manage Return to Work and review Modified duties cases at the field level.
Additional detailed requirements as outlined in the Project Specific EHS and related programs
Complete in field observations and behavioral based observations
Collect heat stress readings in the field, communicate potential high hazards and suggest controls to supervision and construction.
Assist in communicating safety messaging in project and safety meetings as needed.
Support Human Performance program activities.
Assist in development of Safe Work Plans, JSA, High Hazard Assessments, Critical Material Handling and Lift plans as well as provide feedback to supervisors on Pre Job Briefs and task assignment/assessment.
Complete site audits and provide feedback to EHS management on the status of the EHS management system.

Minimum 3 years of experience in Health and Safety within the construction industry. Relevant Post Secondary education or equivalent experience in the H&S; field.




A designation such as CHSO, CRSP, CRST, or CSP is an asset.
Proficiency and Knowledge with Microsoft PowerPoint, Excel, Word, Teams, SiteDocs, Cority.
A Team Player that is adaptable and flexible to an ever-changing setting.
Background in Training and/or Education and or experience delivering EHS Training programs to individuals and groups is an asset.
Be a champion of inclusion and diversity.
OPG Security Clearance would be considered an asset.
This position requires the successful candidate to be in the field observing work, requiring the ability to walk more than 3 km per day, climb minimum 3 flights of stairs and occasionally climb ladders.
This role requires flexibility to support project demands, including shift work, extended hours, and occasional weekend or night work throughout the duration of the project.
This role requires the successful candidate to work within a nuclear environment.
Due to the nature of work conducted by CanAtom, mandated nuclear export controls requirements must be met for employment.
Our background check process includes a full security check and clearance process as well as reference checks. The security clearance process includes a comprehensive list of previous residences, employment, education, and other pertinent information.

Other considerations may include certifications, specialized training, and the complexity or scope of the role.
Aecon fosters diversity, inclusion and belonging within and across our organization. We welcome all to apply including, women, visible minorities, Indigenous peoples, persons with disabilities, and persons of any sexual orientation or gender identity.

We are committed to adhering to the objectives and requirements outlined in the Accessible Canada Act (ACA), and to meeting the accessibility needs of persons with disabilities in a timely manner. Through the implementation of the requirements of the ACA and its applicable regulations, appropriate accommodations will be provided upon request throughout the interview and hiring process.

As part of our commitment to fair and transparent hiring practices, Aecon may use artificial intelligence (AI) tools to assist in screening and reviewing candidates. These tools are applied responsibly and in accordance with applicable privacy laws and Aecon’s AI Usage Policy.

📌 Safety Advisor (Graveyard Shift) (Pickering)
🏢 Aecon
📍 Pickering