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Principal Engineer, Underground Mineral Reserves

CanadaFull-time2026-06-17 → 2026-10-13

Core

Lead the development, estimation, and reporting of underground mineral reserves, ensuring compliance with industry standards and advising technical teams on resource extraction optimization.

Role type

Principal Engineer (Underground Mineral Reserves)

Builds

Mineral resource and reserve estimates, technical reports, and regulatory disclosures for critical minerals (copper, nickel).

Domain

Mining engineering / Critical minerals

Required skills

Underground mining operations expertise, Mineral Resources and Mineral Reserves (MRMR) governance, Technical Assurance program coordination, Risk management for mineral resources, Regulatory compliance (NI 43-101, S-K 1300, CRIRSCO, CIM), Reserve estimation and reporting, Strategic business alignment, Database management for mineral data, Qualified Person (QP) reporting capability.

Preferred skills

Open pit mining experience, Polymetallic mineralization knowledge, Team leadership and strategic direction. (via careerplan.io/jobs/42488477-principal-engineer-underground-mineral-reserves-at-vale)

Technologies

NI 43-101, S-K 1300, CRIRSCO, CIM, MRMR governance frameworks.

Responsibilities

Develop and maintain standardized internal reporting policies for MRMR; Coordinate technical assurance programs and facilitate internal/external audits; Establish and enforce mining and MRMR standards across operations; Manage risk registers for mineral resources and reserves; Provide expert technical input for reserve evaluation and impairment analysis; Lead strategic direction for MRMR activities and align with business objectives; Oversee compilation of consolidated mineral inventory and reserve estimates; Manage the central secure database for mineral resources and reserves; Approve public and third-party disclosures related to mineral estimates.

Seniority

Principal, strategic leadership & hands-on technical review