Piping & Mechanical Authorized Isolator, Journeyperson - LOTO

Come Build Your Career at Aecon!

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.

At Aecon, you can count on:

• Safety Always. Our number one core value. The safety of our people, projects, partners, and stakeholders is our priority focus – today and always.
• Integrity. We lead by example, with humility and courage.
• Accountability. We’re passionate about delivering on our commitments.
• Inclusion. We provide opportunities where people feel valued, supported, and empowered to contribute fully.

We deliver infrastructure with purpose, and our people are at the heart of everything we do. Aecon employees are incredibly proud to build some of the most impactful infrastructure of this generation – we call it Aecon Proud .

At Aecon we:

• Ensure you and your family receive the services and benefits needed to support your mental, emotional, and physical well-being.
• Are intentional when it comes to investing in your development. 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.

Our success is built on the passion, expertise, and dedication of our people. 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.

Position Overview

Aecon Construction Solutions Inc. (ACSI) is a multi-disciplined construction company offering superior civil, electrical and mechanical services including piping, insulation, scaffolding, and module fabrication. We’re always on the search for exceptional craft candidates to fill our ever-expanding project portfolios. We are focused on hiring only those exceptional individuals who value safety in the workplace and remain committed to the collective goal of maintaining our Aecon ‘zero injury’ culture. 

ACSI is seeking Piping & Mechanical Authorized Isolator - LOTO who will be integral to our project’s success. Reporting to the appropriate site supervisor, this role requires in depth understanding of welding techniques and a strong commitment to safety.  

Key Responsibilities 

• Identify hazardous energy sources and establish safe isolations. 

• Apply and manage isolation devices, locks, tags, and lockboxes. 

• Verify and document zero-energy state using approved methods. 

• Complete isolation permits, risk assessments, and related documentation. 

• Communicate isolation requirements and controls to affected personnel. 

• Maintain isolation integrity during work execution and shift handovers. 

• Support personal lock application and worker protection processes. 

• Safely remove isolations and return equipment to service upon work completion. 

Requirements and Experience 

• Valid Provincial Journeyperson Ticket - Electrical or Steamfitter-Pipefitter  

• CSTS-20 Certificate 

• Completion of Authorized Isolator training and competency assessment. 

• Demonstrated knowledge of hazardous energy control and LOTO practices. 

• Ability to interpret drawings, procedures, and isolation plans. 

• Proven ability to work independently and as a part of a team in a fast-paced setting. 

• Ability to lift and work with materials weighing up to 25kg. 

• Ability to work in all weather conditions and environments. 

• Must have a strong understanding of industrial safety procedures and policies. 

• Must be fluent in English, both written and verbal. 

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. All final decisions are made by qualified Aecon team members.