Canada, and Japan, VBM delivers a secure and responsible supply of high-quality products to customers across Europe, the Americas, and Asia. From energy to aerospace, batteries to magnets, robotics to artificial intelligence, a secure and responsible supply of critical minerals is fundamental to power up-to-date technologies. Join our diverse team of 13,000 talented individuals committed to providing mineral security to a world in transition.

We are currently seeking a Principal Engineer, Underground Mineral Reserves to join our Mineral reserves team in Sudbury, Ontario. This is a permanent position. This position requires advising technical teams, ensuring compliance with industry standards, and providing strategic guidance to optimize resource extraction and management.

The role involves overseeing MRMR governance, coordinating technical assurance programs, managing risks, and maintaining a secure database for mineral resources and reserves. Develop and maintain standardized internal reporting policies and processes, ensuring transparency and compliance with internal and external regulations. Coordinate the Technical Assurance program to review MRMR, identifying and communicating risks and opportunities.

Establish and enforce mining and MRMR standards and guidelines across operations and projects. Manage the full set of risks associated with mineral resources and reserves.

Maintain Resource

Management risk registers for Base Metals using technical, regulatory, and short-term cash flow criteria. Provide expert technical input and reviews for reserve evaluation, reports, and project assessments. Oversee impairment and value-added analysis as part of the technical review activity.

Act as a senior review assurance provider for mining and reserve estimation. Align MRMR activities with the company's business objectives and long-term goals. Oversee the compilation, updating,



and communication of consolidated mineral inventory, resource, and reserve estimates, including associated risks and opportunities.

Assist to prepare and certify the annual Corporate MRMR Statement and validate mineral reserve estimates for inclusion in the Vale annual 20F filing.

Oversee Vale Base

Metals' central secure database for Mineral Resources and Reserves, ensuring data integrity, security, and accessibility for accurate reporting and strategic planning. Oversee the preparation and review of technical report summaries for each of Vale Base Metals operations, ensuring accuracy and compliance with industry standards. Approve and provide input into public and third-party disclosures related to Vale Base Metals mineral resource and reserve estimates.

Review technical procedures impacting mineral reserve, resource, and exploration target estimation and reporting, recommending changes and best practices where appropriate Bachelor degree in Mining Deep understanding of mining engineering principles and practices, with focus in underground operations and preferred experience in open pit operations. Ability to act as a Qualified Person for mineral reserve and resources reporting (Cu, Ni and polymetallic mineralization), ensuring compliance with regulatory standards. Ability to analyze complex data, identify issues, and develop effective solutions.

Proficiency in conveying technical information clearly and training team members effectively.



Strong ability to work collaboratively with cross-functional teams, fostering a culture of continuous improvement. Expertise in coordinating technical assurance programs and managing risks associated with mineral resources and reserves.

Skills in managing secure databases for MRMR, ensuring data integrity and accessibility.

Experience in approving and providing input into public and third-party disclosures related to mineral resource and reserve estimates. Participation in a competitive Defined Contribution Pension package Comprehensive benefits package (company paid core coverage, health and dental coverage, flex accounts, disability plans and optional insurances) Leave for all of life's reasons (vacation, personal, sick, parental) Work culture dedicated to safety, diversity & inclusion, and career growth Employee Family Assistance Program Virtual Healthcare online Online training and career development opportunities The city sits atop one of the world's largest and oldest meteorite impact sites, the Sudbury Basin, which is exceptionally rich in nickel, copper, and other critical minerals that are needed for the green economy. Our commitment to the community is as deep as our mines.

We treat each other fairly and with dignity regardless of race, gender, nationality, ethnic origin, religion, age, sexual orientation, or any other personal consideration that makes us different. Vale is an equal opportunity employer seeking to increase diversity across our operations and improve equal opportunity at Vale and in the mining industry. In accordance with the Accessibility for Ontarians with Disabilities Act, accommodation is available throughout our recruitment process for applicants with disabilities.

Vale uses artificial intelligence to screen, assess, and/or select applicants for this position.

📌 Principal Engineer, Underground Mineral Reserves (Ontario)
🏢 Socket.dev
📍 Ontario