Sr. Estimator

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, and partnerships with Veteran groups, 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?

Under the general supervision of the Director of Estimating, the Senior Nuclear Estimator will be responsible for the preparation and documentation of cost estimates and executions plan for the construction of various nuclear projects. Computes cost estimates of raw materials purchased, leased equipment, subcontracted work and/or labor required in the bid tendering process.

What You'll Do Here:

• Develop detailed cost estimates and budgets for bids and awarded projects.
• Maintain and utilize a historical cost database.
• Responsible for participating in design reviews for Mechanical, Electrical and Plumbing (MEP), Civil and Architectural Subcontract packages with client key stakeholders.
• Analyze drawings, specifications, and project documentation.
• Perform value engineering and constructability reviews.
• Oversee projects that have been successfully bid and are under construction to learn the actual methods and costs of field operations.
• Perform quantity takeoffs and unit pricing using estimating software.
• Solicit pricing from vendors and subcontractors.
• Maintain current material pricing within estimating systems.
• Develop expertise in construction means and methods and cost drivers.
• Support project turnover to Project Management teams.
• Participate in site visits, as required, for complex projects.
• Lead or contribute to tender closings, including proposal compilation and review meetings.
• Review addendums, change orders, and other bid-related updates.
• Perform other duties as assigned.

What You Bring To The Team:

• Degree or diploma in Engineering, Project Management, or equivalent experience.
• 5–10 years of estimating experience, including nuclear construction projects of moderate to high complexity.
• Demonstrate strong collaboration skills and the ability to work effectively within a team environment. 
• Strong knowledge of:
  • Nuclear construction practices and procurement methods
  • Project controls, cost management, and scheduling
• Construction drawings, specifications, and contract terms
• Experience with tools such as:
• MS Excel, Word, Project
• AutoCAD, Bluebeam
• Primavera P6
• InEight (Hard Dollar) or similar estimating software
• Solid understanding of:
  • Value engineering and conceptual estimating
  • Subcontractor scopes and market conditions
• Contract language/Terms and Conditions/Bonding, etc.
• Strong organizational and communication skills
• Preferred:
  • RICS or AACE accreditation (or in progress)
  • Commercial nuclear experience

Citizenship Requirement:
This position requires access to nuclear facilities and information governed by U.S. federal regulations. As a result, applicants must be U.S. citizens to meet eligibility and security clearance requirements.

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 Equal Employment Opportunity Commission (EEOC), and to meeting the accessibility needs of persons with disabilities in a timely manner, through the implementation of the requirements of the EEOC and its applicable regulations. Appropriate accommodation under the EEOC will be provided upon request throughout the interview and hiring process.

Aecon is committed to ensuring all job postings are compliant with all applicable laws. Any candidate who has a concern regarding the contents of this or any other job posting can email View email address on us.fitly.work.