TG

Trillium Guideway Partners

Verified Job Source

Toronto, Ontario

Construction
51–200 people

About

Trillium Guideway Partners (TGP) is at the forefront of delivering the Ontario Line Elevated Guideway and Stations contract, selected by Infrastructure Ontario and Metrolinx. The team has signed a Development and Master Construction Agreement (DMCA) with Metrolinx, under a progressive design-build contract. The Trillium Guideway Partners team includes: • Applicant Leads: Acciona Infrastructure Canada Inc. and Amico Major Projects Inc. • Design Team: WSP Canada Inc. • Construction Team: Acciona Infrastructure Canada Inc. and Amico Major Projects Inc Under the Development and Master Construction Agreements (DMCA), we embrace a progressive design-build model, facilitating collaboration between Metrolinx and TGP to finalize scope, risk allocation, and pricing. With a multi-stage development approach, we ensure attention to detail, enabling early works construction while fostering a collaborative environment. Our scope of work includes three kilometres of an elevated guideway (bridge structures); five elevated stations (Riverside-Leslieville, Gerrard, Thorncliffe Park, Flemingdon Park, Science Centre), one emergency exit building, interface with the operations and maintenance storage facility as well as with the Eglinton Crosstown LRT Line 5 and sections of existing Metrolinx-owned rail corridor where Ontario Line trains will operate. At TGP, we recognize the importance of public-private partnerships (P3) and progressive design-build approaches in delivering transformative infrastructure projects like the Ontario Line. We are committed to meeting the challenges of this dynamic project with efficiency, innovation, and dedication to the communities we serve.

Open positions

Digital Solutions Developer

Hybrid · Toronto

Develop and maintain secure internal applications, web tools, automations, dashboards, APIs, and integrations, using modern development practices and AI-assisted coding tools. Collaborate with business and IT stakeholders to identify improvement opportunities, validate AI-generated code, apply security controls, and document solutions for ongoing support.

Utilities Superintendent

On-site · Toronto

Oversee on-site wet utility construction, including water, sanitary sewer, and stormwater work, while coordinating crews, subcontractors, inspections, schedules, safety, and quality. Track production and costs, resolve technical and field issues, document changes and progress, and work with the Project Manager and stakeholders to complete the contract on time.

Quality Coordinator (Precast)

On-site · London

Conduct and document site and off-site inspections, witness testing, and material checks to verify compliance with project specifications, Inspection and Test Plans, and applicable standards. Report non-conformances, verify corrective actions, support construction teams in resolving quality issues, and promote consistent quality practices.

Environmental Coordinator - Permits, License, Agreement and Approvals

On-site · Toronto

Manage environmental permit, license, agreement, and approval requirements for the Ontario Line project, including preparing, submitting, tracking, and maintaining application records. Coordinate with project teams, government authorities, and external stakeholders, identify potential permitting issues, and report mitigation measures to the Environmental Manager.

Quality Coordinator (Civil/Structure)

On-site · Toronto

Conduct construction inspections and witness testing to verify that materials, workmanship, and activities comply with project specifications, Inspection and Test Plans, and applicable standards. Maintain inspection records, report and follow up on non-conformances and corrective actions, and support field teams in promoting quality practices.

Environmental Lead – Soils and Contamination

On-site · Toronto

Lead and coordinate soil and contamination sampling, Environmental Site Assessments, excess-soil tracking, and technical reporting to meet project, regulatory, and Schedule 17 requirements. Work with Qualified Persons and project teams to review reports, support construction schedules, conduct field audits, address non-conformances, and promote environmental compliance and continual improvement.

Accounts Payable Administrator

On-site · Toronto

Process invoices, manage accounts payable inquiries, respond to vendor questions, reconcile statements, and follow company policies. Support cash management, collections, general ledger maintenance, cost tracking, and monthly financial reporting.

Station Assistant Superintendent

On-site · Toronto

Assist with supervising station construction activities, coordinating crews and subcontractors, tracking production, and ensuring work meets project schedules and contract requirements. Conduct inspections, maintain project and safety records, and support compliance with safety, quality, environmental, and applicable regulatory standards.

Security & Site Facilities Supervisor

On-site · Toronto

Develop and oversee security protocols, respond to and investigate incidents, and manage the security provider subcontract and site-facility vendors. Supervise facility maintenance and compliance, maintain records, coordinate with project teams, and lead staff across site facilities, including the temporary bus loop at Gervais Drive.

Senior Cost Controller

On-site · Toronto

Manage project budgets, forecasts, actual cost tracking, variance reporting, earned value metrics, change impacts, and financial risks for a major construction project. Administer the project cost management system and financial databases, integrate data from project platforms, support client billing, and mentor cost-control team members.

H&S Incident & Training Coordinator

On-site · Toronto

Coordinate workplace incident reporting, classification, investigation support, recordkeeping, and corrective-action tracking, while analyzing event trends and communicating lessons learned. Coordinate and maintain health and safety training, records, reporting systems, and performance metrics, and support the broader safety team and continuous improvement initiatives.

Station Architectural Lead

On-site · Toronto

The Architectural Lead will oversee the entire design process for transit stations, ensuring integration across structural, MEP, and civil disciplines. They are responsible for managing design coordination, ensuring regulatory compliance, and conducting site visits to monitor construction progress.

Surveyor

On-site · Toronto

The Surveyor will perform land, topographic, and construction surveys to support infrastructure projects, ensuring accurate data collection and site layout. They will collaborate with engineering and construction teams to monitor site conditions, analyze measurements, and maintain surveying equipment.

Project Accountant

On-site · Toronto

The Project Accountant manages all aspects of financial management, including full-cycle accounting, tax filings, and month-end/year-end closing. They are responsible for monitoring project costs and revenues while ensuring compliance with budgets and accounting standards.

Commercial Coordinator

On-site · Toronto

The Commercial Coordinator manages contractual agreements and administration processes to ensure compliance with legal and regulatory requirements. They are responsible for mitigating contractual risks, processing change orders, and facilitating communication between project stakeholders and legal counsel.

Quality Assurance Coordinator

On-site · Toronto

The Quality Assurance Coordinator implements and monitors the Quality Management System, ensuring all inspection plans and quality records are compliant. They manage Non-Conformance Reports (NCRs) and coordinate with various technical teams to track hold points and material traceability.

Verification & Validation Coordinator

On-site · Toronto

The Verification and Validation Coordinator will manage and coordinate quality and compliance activities across the project lifecycle to ensure deliverables meet industry standards. They will conduct on-site inspections, review designs, and resolve non-conformance issues while maintaining detailed documentation of test reports and compliance records.

Utilities Coordinator

On-site · Toronto

The Utilities Coordinator manages the relocation, protection, and installation of wet and dry utilities, including traffic signals and streetlighting. They oversee engineering and construction activities to ensure compliance with project standards and City of Toronto regulations.