Senior Procurement Specialist, Supply Chain

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 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.

Lead and execute procurement activities in alignment with approved project procurement strategies, budgets, schedules, and corporate policies.

Interpret, apply, and ensure compliance with all project procurement, commercial, and safety policies.

Develop sourcing strategies for complex, high-value, and high-risk packages, incorporating total cost of ownership principles.

Lead commercial and contractual negotiations with suppliers, subcontractors, and service providers to achieve optimal commercial outcomes.

Draft, review, and approve procurement-related contractual documents, including purchase orders, subcontracts, and amendments.

Provide detailed reporting, analysis, and recommendations on procurement performance, risks, variances, and market conditions.

Manage supplier and stakeholder relationships, acting as the primary escalation point for complex procurement and commercial matters.

Coordinate logistics and expediting activities for critical materials and site deliveries to support construction schedules.

Maintain a high level of data integrity within procurement and enterprise systems.

Provide guidance, mentorship, and day-to-day support to junior procurement team members as required.

Collaborate closely with engineering, construction, commercial, legal, and finance teams to ensure alignment and successful project outcomes.

8+ years of progressive experience in procurement or supply chain management, preferably within large infrastructure or construction projects.

• Post-secondary education in supply chain management, business, engineering, construction management, or a related field (or equivalent experience).
• Strong technical knowledge of construction-related materials, equipment, and services.
• Advanced understanding of procurement principles, ethical sourcing practices, and contract management.
• Solid knowledge of contract law, commercial negotiations, and public/private sector tendering processes (RFQs, RFPs, tenders).
• Proven ability to manage complex, concurrent procurement activities in a fast-paced, deadline-driven environment.
• In addition to base salary ONxpress also offers a comprehensive medical and dental program, RRSP with company matching and the potential to participate in our discretionary, performance based bonus program.

As part of our commitment to fair and transparent hiring practices, ONxpress may use artificial intelligence (AI) tools to assist in screening and reviewing candidates. These tools are applied responsibly and in accordance with applicable privacy laws and ONxpress’ AI Usage Policy. Learn more about our project here and follow us on LinkedIn for frequent updates.

This position is with ONxpress Civils (“CJV” aka the Design & Construction team); the project segment responsible for the modernization and modification of the key area network, including countless innovations in the way the regional rail infrastructure is built.

We value diversity and encourage all qualified individuals to apply, regardless of whether they meet 100% of the qualifications listed.