TBM Erector Operator

The TBM Erector Operator is responsible for operating and maintaining the Tunnel Boring Machine (TBM) erector system used to lift, position, and install tunnel lining segments during excavation. This role requires strong mechanical aptitude, precision, situational awareness, and the ability to work safely in confined underground environments. The operator works closely with the TBM crew, segment handlers, and shift supervisors to ensure efficient and safe tunnel advancement.

Key Responsibilities:

• Operate the TBM erector arm to lift, rotate, align, and install precast concrete segments according to engineering specifications.
• Coordinate with the TBM pilot, segment crane operator, and ring builder to ensure smooth and accurate segment placement.
• Inspect the erector system before and after each shift to identify mechanical issues, wear, or safety concerns.
• Perform minor troubleshooting and assist maintenance teams with repairs or adjustments to the erector, hydraulic systems, and related TBM components.
• Monitor segment installation quality, ensuring correct bolt torque, gasket alignment, and ring geometry.
• Maintain clear communication with the TBM control room and ground crew using radios and hand signals.
• Follow all safety protocols, including lockout/tagout, confined space procedures, and emergency response guidelines.
• Document daily activities, equipment performance, and any incidents or irregularities.
• Support general TBM operations as required, including mucking, conveyor adjustments, and housekeeping tasks.
• Operate the machine in most smooth mode as possible avoiding clashes with elelemts around, avoiding strong movements and take care of the machine that will be shared with following shifts.
• Carry on maintenance tasks in moments of no operation or general maintenance when be dictated for the manuals.

• Experience operating heavy machinery, hydraulic equipment, or specialized tunneling equipment (TBM experience required).
• Strong understanding of mechanical systems, hydraulics, and underground construction processes.
• Ability to read and interpret technical drawings, ring build charts, and TBM operation manuals.
• Physically capable of working in confined spaces, rotating shifts, and underground environments.
• Excellent communication skills and ability to work as part of a coordinated crew.
• Safety certifications (e.g., WHMIS, confined space, working at heights) considered an asset.
• Commitment to maintaining a safe and productive work environment.

What We Offer

• Competitive Salary
• Comprehensive Benefits Package:
  • Disability Insurance
  • Dental Insurance
  • Extended medical insurance
  • (Optional) RRSP matching
  • Discretionary Bonus

Why OTG?

Welcome to Ontario Transit Group (OTG), located in the heart of Downtown Toronto, where diversity and passion collide. As we work on the groundbreaking Ontario Line project, we prioritize fostering a positive culture. Join us and be part of a team that celebrates our employees, organizes family events, and promotes health and wellness initiatives. Our commitment to personal and professional growth means annual performance reviews, salary increases, comprehensive health benefits, generous RRSP matching, industry education support, and career development opportunities.

OTG uses artificial intelligence (AI) tools as part of the applicant screening process. However, applications are reviewed by a member of our Recruitment team to ensure a fair and thorough assessment.

At OTG, we embrace diversity, recognizing that it strengthens us as a team and as a company. We are an equal-opportunity employer, encouraging applications from all interested candidates. We value Indigenous people, racialized people, neurodivergent people, people with disabilities, and individuals from gender and sexually diverse communities with intersectional identities. OTG is committed to fostering an inclusive, equitable, and accessible environment.

If you require accommodation during the selection process, please contact

If you're ready to be part of our dynamic team in one of the world's most diverse cities, don't wait any longer—apply now!

While we appreciate your interest, only selected candidates will be contacted for interviews. Please note that we do not accept agency submissions.