Senior Mining Engineer

Infinitek Limited; Tucson (AZ); On-site; USD 120,000 - 180,000; Full time

Job summary

A large, established mining company is seeking a Senior Mine Engineer to lead mine planning efforts at a major open-pit operation in Arizona. This position will involve significant responsibility for long-range planning, reserve development, and integration with various teams to ensure safe and sustainable production. Candidates should possess extensive open-pit experience and strong technical leadership skills. The role is full-time and targets mid-senior professionals with a background in mining engineering.

Qualifications

• Extensive experience in open-pit mine engineering with a strong focus on long-range planning.
• Proven track record contributing to life-of-mine planning for large-scale operations.
• Strong understanding of mine economics, scheduling, and risk analysis.

Responsibilities

• Lead long-range mine planning for a large open-pit mining operation.
• Oversee pit optimization, pushback design, and strategic scheduling.
• Provide technical input into major capital projects, equipment strategies, and mine expansions.
• Drive governance, compliance, and continuous improvement in planning.

Skills

Open-pit mine engineering

Long-range mine planning

Mine economics

Strong communication skills

Education

Degree in Mining Engineering or related discipline

Tools

Deswik

Whittle

MineSight

Vulcan

Job description

Direct message the job poster from Infinitek Limited

A large, established base‑metals producer is seeking a Senior Mine Engineer to provide technical leadership for mine planning activities at a complex, long‑life open‑pit operation. This is a senior technical role with responsibility for long‑range mine planning, reserve development, and integration of geology, operations, and capital planning to support safe, profitable, and sustainable production.

The role will suit a technically strong mine engineer with deep open‑pit experience who can operate at both strategic and execution levels, influencing multi‑year plans while supporting near‑term operational decision‑making.

Key Responsibilities

Mine Planning & Technical Leadership

• Lead long‑range mine planning (life‑of‑mine, 5‑year, and 10‑year plans) for a large open‑pit mining operation
• Oversee pit optimization, pushback design, phase sequencing, and strategic scheduling
• Ensure mine designs align with geological models, geotechnical constraints, and processing capacity

Operational & Capital Integration

• Translate long‑range plans into executable medium‑ and short‑range strategies in coordination with operations
• Support annual business planning, capital prioritization, and reserve replacement strategies
• Provide technical input into major capital projects, equipment strategies, and mine expansions

Team & Stakeholder Leadership

• Provide senior technical guidance and mentorship to mine planning engineers
• Act as a key technical interface between engineering, operations, geology, and processing
• Present mine plans, risks, and opportunities to site leadership and corporate stakeholders

Governance, Risk & Continuous Improvement

• Ensure compliance with internal standards, regulatory requirements, and industry best practice
• Identify and mitigate technical and operational risks within mine plans
• Drive continuous improvement in planning processes, systems, and tools

Qualifications & Experience

• Degree in Mining Engineering (or related discipline)
• Extensive experience in open‑pit mine engineering with a strong focus on long‑range planning
• Proven track record contributing to life‑of‑mine planning for large‑scale operations
• Strong understanding of mine economics, scheduling, and risk analysis
• Proficiency with industry‑standard mine planning software (e.g. Deswik, Whittle, MineSight, Vulcan)
• Strong communication skills with the ability to influence senior stakeholders

Preferred Experience

• Base metals open‑pit operations
• Long‑life assets with significant capital planning requirements
• Exposure to corporate planning and reserve governance processes

Seniority Level

• Mid‑Senior level

Employment Type

• Full‑time

Job Function

• Mining

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