Materials Operations Assistant Manager

Who We Are The ONxpress Civils Contractor General Partnership, a partnership between FCC Canada Limited and Aecon Infrastructure Management Inc., is a multidisciplinary Civils Joint Venture (CJV) team with global expertise in delivering innovative solutions for both railway and civil construction projects. Working under Alliance agreements with Metrolinx, the team is helping to modernize railway construction across the GO Transit network. An Alliance framework, which is relatively new in Canada, is a collaborative partnership between the owner and contractor, who work together with a best-for-project mindset. By streamlining decision making, the Alliance helps ensure that high-quality work is delivered, certified, and transferred in a progressive, transparent, and risk-managed manner. The Alliance operates with a core focus on safety, efficiency, and sustainability, while fostering strong relationships with stakeholders and rights-holders and contributing positively to local communities as a good neighbour. Through this collaborative approach, the Alliance is helping drive the modernization of key sections of the rail network as part of the GO Expansion Program. If you're passionate about making a difference and want to be part of a progressive and modern way of working, we want to hear from you. What You'll Do The Material Assistant Manager leads the planning, receipt, storage, preservation, control and distribution of construction materials across project material yards, laydown areas and work fronts. The role is accountable for material availability, inventory accuracy, yard organization, logistics coordination, traceability, cost control and safe material-handling practices, with particular focus on rail and track materials used in a complex, multi-contractor delivery environment. Provide overall leadership for material management activities across project yards, warehouses, laydown areas, satellite storage locations and active work fronts. Develop and maintain the project material management plan, including receiving, inspection, identification, storage, preservation, inventory control, kitting, issue, transfer, return and disposal processes. Plan material yard layouts, storage zones, traffic routes, lifting areas, quarantine locations and controlled-access areas to support safe handling, efficient retrieval and future construction sequencing. Coordinate forecast demand, procurement status, delivery schedules and installation priorities with Construction, Track, Logistics, Procurement, Engineering, Quality, Commercial and Planning teams. Manage the receipt and verification of materials against purchase orders, packing lists, delivery tickets, specifications and inspection requirements, and promptly resolve shortages, damage, non-conformance or documentation gaps. Maintain accurate inventory and chain-of-custody records for project materials, including lot, heat, batch, serial or asset identifiers where traceability is required. Ensure appropriate storage, protection and preservation of rail, track and civil materials, including rail, turnouts, ties, fasteners, insulated joints, drainage products, cable, precast elements and other long-lead or sensitive items. Establish material status controls for accepted, pending inspection, quarantined, non-conforming, surplus, returned and scrap materials, with clear physical identification and system records. Coordinate unloading, internal movements, loading and final-mile delivery using approved lifting plans, competent operators and suitable cranes, forklifts, loaders, trucks or specialized rail-material handling equipment. Align material release, picking, kitting and delivery with short-interval plans, work packages, possession requirements and site access constraints to prevent disruption to field production. Lead cycle counts, stock reconciliations and periodic audits; investigate variances and implement corrective actions to protect inventory accuracy and project cost. Monitor …

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