Senior Buyer - Capital Projects

Location: The successful candidate can sit onsite at either our Esterhazy K1, K2 or K3 mine or at our Regina office. Candidates in Regina can expect occasional travel to Esterhazy as necessary. Work Arrangement: Hybrid with 3 dedicated office or onsite days (Monday, Tuesday, Thursday)

We’re looking for a strategic and detail-oriented Senior Buyer to join our Regina team. In this role, you’ll play a key part in supporting capital and operational projects by leading sourcing initiatives, strengthening supplier partnerships, and ensuring compliance with strategic agreements. If you enjoy collaborating cross-functionally and influencing project outcomes from planning through execution, this is a great opportunity to make an impact.

Partner with Capital teams to plan and develop project scopes, schedules, and bid packages

Develop bidder lists, conduct detailed bid analysis, and provide award recommendations

Collaborate with EPCM firms to ensure sourcing activities align with Mosaic requirements

Manage supplier relationships and performance through the lifecycle of agreements

Develop and execute structured agreements that protect Mosaic’s interests using established tools and processes

Partner with Legal to draft, review, and finalize contracts

Ensure agreements are executed, filed, and distributed in accordance with company policy

Ensure contractor compliance with insurance and WCB requirements through ISN and complete post-job evaluations

Process purchase orders, expedite materials and services, and resolve invoice issues with Accounts Payable

Identify and report cost-saving opportunities and drive process improvements

Attend meetings, collect data, prepare reports, and travel to sites as needed