Metrolinx’s GO Expansion program is delivering more GO service across the network, including the capacity to deliver two-way service every 15 minutes or better on core routes. Work is already underway on new track, station renovations and infrastructure upgrades on parts of the Lakeshore, Stouffville, Kitchener and Barrie lines. The investment will generate thousands of new jobs and economic opportunities across the region. The ONxpress Civil Joint Venture is comprised of Aecon Infrastructure Management Inc., and FCC Canada Ltd. This multidisciplinary team leads the delivery of civil and track works, leveraging global expertise to introduce innovative solutions across the GO Transit network. Check out our job openings and join the team that's transforming transit today!
On-site · Toronto
Conduct environmental inspections and monitoring at construction sites, assess impacts and compliance, and identify, document, and follow up on deficiencies, incidents, and corrective actions. Maintain inspection records, coordinate with construction teams, support audits and reporting, and help improve environmental performance across the project.
On-site · Toronto
Coordinate engineering services between construction site teams and design consultants, facilitating technical discussions and supporting constructability reviews and resolution of field issues. Track technical submissions and design documents, manage interfaces and changes, and monitor risks that could affect construction progress or quality.
On-site · Toronto
Review design deliverables and temporary works packages for compliance, safety, coordination, and constructability, and resolve technical issues with designers and construction teams. Provide on-site technical support across multiple project locations, including input on construction sequencing, method statements, and heavy lift operations.
On-site · Toronto
Review design and temporary works deliverables for compliance, safety, coordination, and constructability, and resolve technical issues between designers and construction teams. Provide on-site engineering support across multiple project locations, including input on construction methods, sequencing, heavy lifts, and technical briefings.
On-site · Toronto
Lead railway track construction projects from planning through commissioning, final acceptance, and close-out, ensuring safe, timely, compliant, and budget-conscious delivery. Coordinate multidisciplinary teams, rail access, project controls, construction interfaces, safety and quality, stakeholder commitments, and turnover activities.
On-site · Toronto
Develop, maintain, and audit integrated project schedules, including baselines, resource and cost loading, progress reporting, and schedule performance analysis. Coordinate schedule and cost data across project teams, forecast resource and project impacts, and recommend corrective actions when performance deviates from plan.
On-site · Toronto
Supervise and coordinate on-site civil and rail construction activities, ensuring work meets project plans, specifications, schedules, and regulatory requirements. Maintain project documentation, manage labor and materials, coordinate subcontractors and suppliers, and enforce site safety and environmental procedures.
On-site · Toronto
Provides project analysis, cost and progress reporting, and administrative support to project managers and field teams. Coordinates materials, schedules, stakeholders, quantity take-offs, quality processes, as-built drawings, and invoicing.
On-site · Toronto
Lead project-wide materials management across yards, warehouses, laydown areas, and work fronts, overseeing receiving, inspection, storage, preservation, inventory accuracy, traceability, and distribution. Coordinate material demand and deliveries with project teams, manage yard personnel and safe handling practices, resolve shortages and variances, and report material risks and recovery actions.
On-site · Mississauga
Lead procurement strategy and execution for complex construction subcontract packages, including sourcing, tendering, bid evaluation, negotiations, contract drafting, and awards. Monitor procurement performance and risks, maintain supplier and stakeholder relationships, ensure compliance and data integrity, and support junior team members.
On-site · Toronto
Manage the full lifecycle of design and engineering consultant contracts, including procurement, scope development, onboarding, change control, payment reviews, and performance tracking. Lead contract coordinators, maintain contract controls and reporting, resolve commercial issues, and coordinate with cross-functional teams to support program delivery.
On-site · Toronto
Design and maintain document control processes, standards, and systems, ensuring project records are accurate, accessible, properly versioned, and compliant. Lead and support the document control team, coordinate reviews and approvals with project stakeholders, train users, and report on performance and audit outcomes.
On-site · Toronto
The Safety Advisor is responsible for conducting hazard assessments, safety inspections, and audits on construction sites to ensure regulatory compliance. They also provide safety training to workers and lead incident investigations to implement corrective actions.
On-site · Toronto
The Project Manager is responsible for the successful delivery of station development projects within the GTA GO Network, ensuring they are completed safely, on schedule, and within budget. This role involves leading stakeholder engagement, managing contract negotiations, and overseeing cross-functional teams to ensure efficient project execution.
On-site · Toronto
The Senior Cost Controller will manage the billing process, analyze cost trends, and prepare detailed project performance reports including Earned Value and variances. They are also responsible for maintaining cost control plans, coordinating with internal departments, and assisting with contract administration.
On-site · Toronto
The Information Management Specialist will implement and maintain robust information governance frameworks for large-scale rail infrastructure projects. They will manage Common Data Environments and act as the primary liaison between project teams, stakeholders, and partners to ensure efficient information flow.
On-site · Toronto
The Accounts Payable Specialist will process high volumes of invoices, perform detailed validation, and ensure accurate record-keeping. They will also communicate with stakeholders to resolve discrepancies and support weekly payment processing.
On-site · Toronto
The Commercial Specialist acts as the focal point for drafting formal commercial notices and supporting subcontract managers throughout the subcontract lifecycle. They coordinate with procurement and technical teams to ensure risk mitigation and smooth project operations.
