Tunneling Manager

Aecon
Full-time Bowmanville, Ontario Engineers
Posted:
March 02, 2026
Location:
Bowmanville, Ontario, Canada

Job Description

What is the Opportunity?

As part of an alliance agreement, Aecon has been awarded a contract in an Aecon-led partnership with Kiewit Nuclear Canada by Ontario Power Generation (OPG) for the execution phase on the Darlington New Nuclear Project (DNNP) in Clarington, Ontario. Beginning in 2025 Aecon will support the Construction of the Unit 1 Small Modular Reactor at the Darlington site.

This position will report directly to the Project Director and will be responsible for planning, coordinating, and executing all tunneling activities, including Tunnel Boring Machine (TBM) operations, site support, and logistics. This role ensures compliance with safety standards, quality requirements, and project schedules while managing multidisciplinary teams and subcontractors.

What You’ll Do Here:

  • Oversee the team managing all temporary structures linked to TBM assembly and launch (TBM shield cradle, TBM back up cradle, thrust frame, etc.)
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    Job Overview

    Job Type: Full-time
    Location: Bowmanville, Canada
    Posted: March 02, 2026
    Deadline: April 11, 2026