Job Description

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 and training, partnerships with Veteran groups, our Aecon Women in Trades and diversity programs, and our Employee Resources 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.
What is the Opportunity? Within Aecon, the Lead Estimator plays a key role in the success of major civil infrastructure projects (transportation, structures, urban and industrial infrastructure). He/she is responsible for producing accurate and strategic estimates, working closely with project teams, engineering, and leadership to support business decisions and ensure competitive bids. What You'll Do Here:

• Prepare detailed and comprehensive estimates for major civil infrastructure projects
• Analyze drawings, specifications, technical documents, and contractual requirements
• Evaluate quantities, material costs, labor, equipment, and subcontracting
• Collaborate with engineering, methods, and construction teams to optimize costs
• Actively participate in bid strategies and internal estimate reviews
• Identify project risks, opportunities, and financial assumptions
• Maintain and improve cost databases and estimating references
• Support project teams during the transition from estimating to execution

What You Bring to the Team:

• Minimum of 12 years of experience in estimating major civil and infrastructure projects
• Degree in Civil Engineering, Construction Engineering, or a related field
• Excellent ability to read drawings and technical specifications
• Strong understanding of construction methods and work sequencing
• Experience with large-scale, high‑value projects ($100M+)
• Proficiency with estimating tools and specialized software
• Strong analytical skills, attention to detail, and professional judgment
• Ability to work in a collaborative, fast‑paced, and deadline‑driven environment.

Aecon fosters belonging within and across our organization. We consider all applicants for positions without regard to race, color, religion, sex, national origin, age, mental or physical disabilities, veteran status, and all other characteristics protected by law.

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.