Main Surveyor - Tunnel

What You Will Do:Lead and coordinate daily tunnel survey operations and survey crews supporting TBM, SEM/NATM, station, shaft, cross-passage, and track installation activities.
Report survey progress, technical issues, resource requirements, and field productivity to the Assistant Survey Manager.
Supervise and provide directions to surveyors, survey assistants, and field personnel.
Establish, maintain, and verify primary and secondary tunnel control networks to support construction activities.
Support TBM construction activities through survey control verification, ring-build verification, tunnel alignment checks, and as-built surveys.
Support SEM/NATM excavation activities through survey control, excavation verification, profile checks, and structural verification surveys.
Conduct topographic, as-built, deformation monitoring, and verification surveys related to tunnel construction.
Prepare and review survey calculations, stakeout packages, alignment data, and survey deliverables for underground construction works.
Coordinate survey requirements with construction teams, engineers, subcontractors, and track installation crews.
Support track slab construction, rail installation, rail alignment verification, and final track acceptance surveys.
Operate and verify railway track geometry using track measurement trolley systems and other track inspection equipment.
Perform Quality Assurance and Quality Control checks on all underground survey activities.
Ensure compliance with project specifications, survey procedures, and health and safety requirements.
Ensure survey equipment is maintained, calibrated, and fit for purpose.
Experience You Will Bring:Post-secondary education in Surveying, Geomatics, Civil Engineering Technology, or a related discipline.
Minimum 7 years of experience in construction surveying.
Minimum 3 years of experience in a Lead Surveyor, Main Surveyor, Crew Chief, or similar supervisory role.
Civil 3D Proficiency required and MicroStation (OpenRoads).
Proficiency in Leica Infinity Infrastructure (Tunnel program).
Demonstrated leadership skills with experience managing field survey personnel and coordinating multiple survey activities.
Proficiency in the operation of Total Stations, GNSS receivers, and Digital Levels.
Experience with laser scanning systems and monitoring instrumentation is considered an asset.
Ability to interpret tunnel design drawings, rail alignment data, track geometry requirements, engineering specifications, and construction documents.
Strong understanding of survey calculations, network adjustments, and survey quality control procedures.
Excellent communication, coordination, organizational, and problem-solving skills.
Ability to work safely and effectively in challenging underground construction environments.
Strong experience in tunnel surveying and underground construction environments.
Experience supporting TBM tunnel construction, including control transfer, tunnel alignment verification, ring-build verification, and as-built surveys.
Experience supporting SEM/NATM tunneling activities, including excavation control, profile verification, and structural checks.
Experience in railway track installation surveys, rail alignment verification, track geometry control, track slab construction, and final acceptance surveys.
Proven experience using track measurement trolley systems .
Strong understanding of tunnel breakthrough procedures, underground control networks, and alignment control techniques.
Why Join Us?Compensation: $120,000 - $140,000 annually. The listed salary range reflects potential base pay and considers factors such as experience, education, and training. Each candidate is evaluated individually and offers toward the higher end may be extended to those with exceptional qualifications.
Comprehensive health and dental benefits and RRSP matching plans.
The opportunity to work on one of the most exciting rail projects in Toronto.
A wide array of learning and development opportunities.
A work environment focused on health and safety.
This posting is for a current vacancy and applications are reviewed on a rolling basis.
STC is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of citizenship, race, place of origin, ethnic origin, colour, ancestry, disability, age, creed, sex/pregnancy, family status, marital status, sexual orientation, gender identity, gender expression, and record of offences.
Disclaimer:Some parts of our recruitment process may include AI-assisted technology to help manage and streamline the process.
When we collect your personal information as part of a job application or offer of employment, we do so in accordance with industry standards and best practices and in compliance with applicable privacy laws. We are committed to adhering to the objectives and requirements outlined in the Accessibility for Ontarians with Disabilities Act (AODA) and to meeting the accessibility needs of persons with disabilities in a timely manner through the implementation of the requirements of the AODA and its applicable regulations. If you require accommodation under the AODA during any step of the application process, please email us at View email address on ca.hrm.tc .
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