Senior Specialist, Underground Mineral Reserves

Ready to build a rewarding career in an industry that is growing?

Who We Are

We are Vale Base Metals – a global supplier of the critical minerals transforming the future.

With industry-leading reserves of copper and nickel in Canada, Brazil, and Indonesia, and state-of-the-art infrastructure in the U.K., Canada, and Japan, VBM delivers a secure and responsible supply of high-quality products to customers across Europe, the Americas, and Asia.

Global demand for critical minerals is growing exponentially. From energy to aerospace, batteries to magnets, robotics to artificial intelligence, a secure and responsible supply of critical minerals is fundamental to power modern technologies. And at Vale Base Metals, we are transforming our business to provide a secure and responsible supply of these minerals.

Join our diverse team of 13,000 talented individuals committed to providing mineral security to a world in transition. We invite you to put your skills to work, driving meaningful and enduring change while enjoying a rewarding career.

The Opportunity

We are currently seeking a Senior Specialist, Underground Mineral Reserves to join our Mineral reserves team in Sudbury, Ontario.

This is a permanent position.

As a Senior Specialist, Underground Mineral Reserves you will play a pivotal role in the development, estimation, and reporting of mineral reserves for Vale Base Metals. 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. The advisor also leads MRMR activities, assists in internal and external audits, and ensures accurate and compliant reporting, which has significant implications for the company's value and reputation

In this position you will:

- Work closely with internal stakeholders to support Mineral Resources and Mineral Reserves (MRMR) governance, reporting, and disclosure. 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. Conduct and facilitate internal and external MRMR audits to ensure compliance with established processes and procedures.

- Establish and enforce mining and MRMR standards and guidelines across operations and projects. Develop, maintain, and communicate guidelines and standards for mineral reserve and resource estimation and reporting.

- 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.

- Lead and provide strategic direction for MRMR activities, including setting business expectations and processes for the estimation, reporting, and disclosure of mineral resources and reserves. 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.

What We Offer You

- Competitive compensation including a variable annual incentive plan

- 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

About You

Education:

- Bachelor degree in Mining

- P. Eng (Canada) or CREA (Brazil)

Experience:

- 15+ years of post P.Eng experience

Skills

- Deep understanding of mining engineering principles and practices, with focus in underground operations and preferred experience in open pit operations.

- Familiarity with different types of commodities and mining settings, enhancing adaptability and expertise.

- Ability to act as a Qualified Person for mineral reserve and resources reporting (Cu, Ni and polymetallic mineralization)., ensuring compliance with regulatory standards.

- Knowledge of relevant regulations such as S-K 1300, NI 43-101, and standards such as CRIRSCO and CIM, ensuring adherence to industry norms.

- Demonstrated ability to accurately estimate and report mineral reserves, contributing to reliable and transparent disclosures.

- Ability to analyze complex data, identify issues, and develop effective solutions.

- Capability to lead teams, provide strategic direction, and align MRMR activities with business objectives.

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

- Commitment to accuracy, thoroughness, and ethical conduct in all aspects of the role.

- Ability to adjust to changing industry conditions and requirements, maintaining effectiveness in a dynamic environment.

- 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.

Why Sudbury

Greater Sudbury is a vibrant city in northeastern Ontario, renowned for its rich mining history and significant role in Canada's mineral production. 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. The mining sector is a cornerstone of Sudbury's economy, driving both employment and economic growth, and Vale Base Metals plays a pivotal role in this regard. Our commitment to the community is as deep as our mines.

Include to Transform

At Vale Base Metals, we are committed to ensuring an inclusive work environment where people can act like owners, being their authentic selves and empowering them to deliver results. Vale Base Metals encourages everyone to express their ideas and opinions and values the plurality of individual profiles. We want our people to feel that all voices are heard, all cultures respected and that a variety of perspectives are not only welcome – they are critical to our success. 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.

Pay Grade: F1T

Minimum Starting Salary: $140,000

Apply by: Friday, March 13, 2026

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