The Mosaic Company (NYSE: MOS) is the world's leading integrated producer of concentrated phosphate and potash, two of the most essential nutrients used in agriculture. With more than 13,000 employees across six countries, we help farmers around the globe grow the food the world depends on. Our headquarters is in Lithia, Florida, with operations throughout North America (U.S./Canada) and South America. Where will you work: Onsite - Colonsay, Saskatchewan, Canada Are you our next Underground Mechanical Engineer? As an Underground Mechanical Engineer, you will support safe, reliable, and efficient potash mining operations by improving equipment performance and asset reliability. In this role, you will provide technical expertise for maintenance, production, and engineering activities while leveraging predictive and preventative maintenance technologies to assess asset health and support informed decision-making. You will lead engineering analysis, troubleshooting, root cause investigations, maintenance planning, and capital project execution while partnering with operations, maintenance, and capital teams to optimize underground mining equipment and systems. You'll thrive in this role if you enjoy solving complex mechanical challenges, using data to drive decisions, and collaborating across teams to improve reliability and operational performance. What You'll Do

Support underground mining operations by improving equipment reliability and maintenance effectiveness through engineering analysis and data-driven decision-making. Utilize predictive and preventative maintenance technologies to evaluate asset health and recommend actions that improve reliability, equipment availability, and operational performance. Lead and support troubleshooting, root cause analysis, and the development of practical solutions to maintenance and equipment performance issues. Plan, coordinate, and manage maintenance projects, including scheduling work, conducting risk-based assessments, and organizing third-party inspections and services.



Provide technical support and guidance to maintenance planners, tradespersons, and supervisors, including management of change activities. Evaluate and support major maintenance and construction projects within the mine department to ensure safe and effective execution. Lead and/or assist with the execution of capital projects and collaborate with capital teams to incorporate reliability and maintainability improvements into new equipment and systems. Participate in continuous improvement initiatives, training programs, and safety improvement activities. What do you need for this role?

Bachelor's Degree in Engineering (Mechanical degree preferred) Engineer I: 0–2 years of co‑op or internship experience Engineer II: 2+ years of related experience in maintenance engineering Engineer III: 4+ years of related experience in maintenance engineering Senior Engineer: 8+ years of related experience in maintenance engineering Professional Engineer (P.Eng.) designation with accreditation from the Association of Professional Engineers and Geoscientists of Saskatchewan (APEGS) Strong verbal and written communication skills Excellent organizational and interpersonal skills with the ability to collaborate across cross‑functional teams Proficiency with Microsoft Word, Excel, Outlook, and SAP Bonus Points

Previous experience in mining, potash, industrial processing, manufacturing, or another relevant heavy industry environment Experience supporting maintenance reliability programs, predictive maintenance technologies, or asset health monitoring Experience managing engineering or capital projects What's in it for You





A competitive base salary + a bonus incentive 11 paid holidays each year A generous defined contribution pension plan Paid vacation A robust advantages package which includes Medical, Dental, and Vision coverage, life insurance, and disability coverage Employee and Family Assistance Program (EFAP) Tuition reimbursement Maternity/Parental leave top‑up program Mosaic is an Equal Opportunity Employer that values the strength diversity brings to the workplace and strives to achieve a representative workforce in Canada. Career Opportunities at Mosaic

The Mosaic Company (NYSE:MOS), a Fortune 500 company headquartered in Tampa, Florida, is the world's leading integrated producer and marketer of concentrated phosphate and potash crop nutrients. At Mosaic, we act with integrity and we perform our work ethically and transparently. We believe success comes when we make smart choices about how we engage our people, the way we manage our resources and our stewardship towards the setting. We are committed to maintaining a safe, healthy and respectful work environment for our 13,000 employees across the globe. We hold ourselves responsible for the safety and wellbeing of our colleagues and company. We are dedicated to ensuring Mosaic is a place where people are proud to work and grow. Serving customers in over 40 countries we are committed to strengthening our product portfolio by rethinking and reengineering outdated processes and focusing on digitalization. We collaborate across departments and geographies in order to streamline best practices. We foster innovation, encourage new ideas and strive to achieve excellence with a humbleness that we can always improve. And we demonstrate our commitment to good corporate citizenship by acting thoughtfully and responsibly in our operating communities - contributing our expertise, innovative spirit and financial resources. Invest in Your Yourself! Most importantly, as an employee at Mosaic, you can rest assured at the end of each day you’re helping the world grow the food it needs.

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📌 Underground Maintenance Engineer (Humboldt)
🏢 The Mosaic
📍 Humboldt