Our client, a highly respected General Contractor, is seeking an experienced Senior Estimator to join a flagship project team supporting one of Canada’s most significant infrastructure developments.
This role offers the opportunity to contribute to a $1.5B landmark project at the Chalk River Nuclear Research Facility while working within a collaborative Integrated Project Delivery (IPD) setting alongside architects, engineers, and trade partners.
About the Project Large-scale project located approximately two hours from downtown Ottawa
Estimated value of approximately $1.5 billion
Currently entering a critical estimating phase after several years of planning and development
Delivered using an Integrated Project Delivery (IPD) model
Complex facility combining: Advanced laboratories
Office space
Fuel research facilities
Nuclear hot cells

Approximately two years remaining on the project, with opportunities to transition onto future major projects thereafter
Key Responsibilities Lead estimating activities throughout project planning and pre-construction phases
Develop detailed cost estimates, budgets, and pricing strategies
Collaborate closely with designers, consultants, and trade partners within an integrated project team
Analyze drawings, specifications, and project requirements to identify risks and opportunities
Support value engineering initiatives and cost optimization efforts
Mentor and provide leadership to estimating team members
Required Qualifications 10+ years of estimating experience within industrial, institutional, heavy commercial, or large-scale construction environments
Strong experience working for a General Contractor
Proven involvement in major projects valued at $1B+ or projects of similar scale and complexity




Demonstrated leadership experience and ability to drive results within multidisciplinary teams
Advanced proficiency with Excel and industry-standard estimating software
Valid driver’s license and willingness to attend occasional site visits
Eligible to obtain Reliability Security Clearance
Recent and verifiable residency and employment history strongly preferred
Note: Previous nuclear experience is not required.
What We’re Looking For The ideal candidate is:
Self-motivated and proactive
Comfortable working in evolving and complex project environments
Able to balance attention to detail with sound commercial judgment
Effective in multi-stakeholder project settings
Equally capable of working independently and within large collaborative teams
Compensation & Benefits Competitive base salary: $115,000 – $160,000
Employee ownership and equity participation opportunities
Long-term career progression on some of Canada’s most significant construction projects
Collaborative and innovative project environment
Limited travel requirements, typically one site visit or overnight trip per month
At Aplin — together with our brands CompuStaff, Impact Recruitment, and Vantix Systems — we connect great people with great organizations across North America. We believe diverse teams build stronger companies, and we welcome applicants from all backgrounds, experiences, and perspectives. We use AI tools to assist in a fair and efficient matching process, helping our recruiters connect the right people with the right opportunities. To be considered, applicants must be legally entitled to work in Canada, including holding any required permits. Our recruitment services are always free for job seekers.Accommodation is available upon request throughout all stages of the recruitment process.

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📌 Senior Estimator – Industrial/ Nuclear (Ontario)
🏢 David Aplin Recruiting
📍 Ontario