Site Shift Engineer – SEM/NATM Tunnelling (Major Subway & Underground Infrastructure Project – Toronto, Canada)

Protecnium is an international firm specializing in engineering and technical services (www.protecnium.com/en). We are currently looking for a Site Shift Engineer – SEM/NATM Tunnelling to join our team for a major subway and underground infrastructure construction project in Toronto, Canada (on-site position).

• Position: Site Shift Engineer – SEM/NATM Tunnelling
• Project: Large-scale subway infrastructure project involving underground stations, tunnel excavation, ground support systems and reinforced concrete works.
• Country: Canada
• City: Toronto, Ontario
• Estimated Project Duration: 6 months. In general, when the project ends, we try to place the employee on other projects to provide continuity.
• Positions Available: 1
• Start Date: ASAP.

Summary

The Site Shift Engineer will be responsible for supervising and coordinating daily construction activities related to Sequential Excavation Method (SEM) / New Austrian Tunnelling Method (NATM) operations on a major underground infrastructure project.

The selected candidate will oversee tunnel excavation, ground support installation, shotcrete application and reinforced concrete works, ensuring that construction activities are executed safely, efficiently and in accordance with approved drawings, technical specifications and quality requirements.

This is a hands-on, site-based engineering position requiring strong experience in underground construction, excavation sequencing, ground support systems and concrete works.

Main Responsibilities

• Supervise and coordinate SEM/NATM tunnel excavation activities, ensuring compliance with approved excavation sequences and construction procedures.
• Oversee the installation of ground support systems, including shotcrete and associated support elements.
• Monitor excavation progress, ground conditions and construction activities throughout each shift.
• Supervise shotcrete application, reinforced concrete installation and concrete placement.
• Ensure that concrete works comply with approved specifications, quality requirements and construction procedures.
• Coordinate field crews, subcontractors and construction equipment to maintain efficient site operations.
• Review construction drawings, technical specifications and relevant engineering documentation.
• Monitor the quality of excavation, ground support and concrete works, coordinating inspections and testing activities.
• Ensure compliance with Quality Assurance / Quality Control (QA/QC) procedures, Inspection and Test Plans (ITPs) and project specifications.
• Identify and resolve technical issues arising during excavation and construction activities.
• Coordinate with Site Management, Engineering, Survey, Quality and Health & Safety teams.
• Prepare daily shift reports documenting construction progress, activities, technical issues and relevant observations.
• Ensure effective shift handovers, communicating work progress, outstanding activities and potential risks to incoming teams.
• Enforce project Health, Safety and Environmental (HSE) requirements and promote safe working practices throughout underground operations.

Requisitos

Requirements

• Bachelor's Degree in Civil Engineering or a related technical discipline.
• Minimum 5 years of professional experience in civil engineering, tunnelling or underground construction.
• Proven experience with SEM/NATM excavation methods and ground support systems.
• Strong knowledge of shotcrete application, reinforced concrete structures and concrete construction works.
• Experience supervising or coordinating tunnel excavation and underground construction activities.
• Understanding of excavation sequencing, ground conditions and temporary ground support.
• Knowledge of concrete quality control, testing procedures and Inspection and Test Plans (ITPs).
• Ability to interpret construction drawings, technical specifications and engineering documentation.
• Experience coordinating site teams, subcontractors and construction activities.
• Strong understanding of construction safety standards and HSE regulations.
• Good organisational, communication and problem-solving skills.
• English: Advanced / C1 level.
• Availability to work 12-hour rotating day and night shifts under a 7/3 – 7/4 rotation schedule.

Working Hours

• 12-hour rotating day and night shifts.
• 7/3 – 7/4 rotation: 7 working days followed by 3 days off, then 7 working days followed by 4 days off.
• Rotation between day and night shifts, generally alternating every two weeks.

Benefits

• Working for an international company currently expanding.
• 22 paid working days of vacation per year.
• 5 working days of sick leave (100% salary).
• Travel: Round-trip travel at the beginning and end of the project, if necessary.
• Hotel: Two weeks of accommodation upon arrival, if necessary.
• Company phone provided.
• Local medical insurance: 100% covered for the employee. Family coverage may be added at the employee's expense.

The description and conditions indicated here are intended to describe the general nature of the work performed by employees but do not constitute a complete list of responsibilities, duties and general competencies required by the staff. Additionally, they do not establish an employment contract and are subject to modifications as required by the employer.

At Protecnium, we are committed to upholding the highest standards of equality, diversity and inclusion throughout our recruitment processes. We welcome applications from talented professionals of all backgrounds, regardless of age, disability, gender identity, marital or civil partnership status, pregnancy or maternity, race, religion or belief, sex or sexual orientation.

To ensure fairness and accessibility, we also provide reasonable adjustments during the recruitment process. Candidates requiring support are encouraged to let us know at the earliest opportunity