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Mosaic Fertilizantes LtdaVerified Job Source

Underground Maintenance Engineer

The Underground Maintenance Engineer will support safe and efficient potash mining operations by improving equipment reliability and asset health. They will lead engineering analysis, troubleshooting, root cause investigations, and the execution of maintenance and capital projects.

  • On-site
  • Colonsay, SK
  • Posted Aug 17, 2026
  • 1 position

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Job summary

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. At Mosaic, We Help the World Grow the Food it Needs. Apply today and grow your career with us. 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 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 If You Have the Following 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 benefits 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. #LI-KM1 oday and join our team!

What you’ll do

The Underground Maintenance Engineer will support safe and efficient potash mining operations by improving equipment reliability and asset health. They will lead engineering analysis, troubleshooting, root cause investigations, and the execution of maintenance and capital projects.

Requirements

Candidates must hold a Bachelor's degree in Engineering and a Professional Engineer (P.Eng.) designation from APEGS. Proficiency in Microsoft Office and SAP is required, along with strong organizational and interpersonal skills.

Benefits

• Paid holidays • Defined contribution pension plan • Paid vacation • Medical coverage • Dental coverage • Vision coverage • Life insurance • Disability coverage • Employee and family assistance program • Tuition reimbursement • Maternity/parental leave top-up program

Listed skills

  • CommunicationPreferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • Mechanical engineering
  • Maintenance engineering
  • Root cause analysis
  • Predictive maintenance
  • Preventative maintenance
  • Asset reliability
  • Troubleshooting
  • Maintenance planning
  • Capital project execution
  • Mining operations
  • Data-driven decision-making
  • Technical support
  • Risk-based assessment
  • Continuous improvement
  • SAP
  • Communication
  • Operational Performance Management
  • Project Implementation
  • Medical Monitoring
  • Planning
  • Data-Driven Decision Making
  • Microsoft Word
  • Microsoft Excel
  • Agriculture
  • Management
  • Decision Making
  • Continuous Improvement Process
  • Engineering Analysis
  • Interpersonal Communications
  • Mechanical Engineering
  • Maintainability
  • Preventive Maintenance
  • Microsoft Outlook
  • Operations
  • Predictive Maintenance
  • SAP Applications
  • Troubleshooting (Problem Solving)
  • Scheduling
  • Collaboration
  • Investigation
  • Root Cause Analysis
  • Reliability
  • Underground Mining

Job areas

  • Engineering
  • Manufacturing
  • Agriculture
  • Energy
  • Underground Miner
  • Facilities Engineer
  • Mechanical Engineers
  • Facilities Managers

Additional details

Minimum education
Bachelor’s degree
Minimum experience
10+ years
Posting language
English
Working hours
40 hours per week