Open-Pit Mine Development Planner — Copper Project

Ember Grey; Arizona; On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Competitive salary

Safety & sustainability focus

Job summary

Ember Grey seeks a Mine Development Planner to support the early-stage development of a large-scale open-pit copper project. The role bridges long-term mine planning with on-site execution to ensure safe, efficient, and well-sequenced development of new mining infrastructure.

The candidate will lead 0–2 year planning horizons, oversee site prep, design safe pit development, and coordinate earthworks with contractors while ensuring adherence to MSHA/OSHA and environmental permits.

Qualifications

• Bachelor’s degree in Mining Engineering, Civil Engineering or related discipline.
• 5–8+ years of experience in large-scale open-pit mining operations.
• Proficiency with mine planning software (Deswik or Hexagon) and Civil 3D.
• Solid understanding of mining regulations, permitting, and safety compliance (MSHA/OSHA).
• Greenfield or early mine development experience is highly desirable.
• Strong problem-solving skills and ability to adapt plans to field conditions.

Responsibilities

• Lead planning and sequencing for early mine development (0–2 year horizon aligned to Life of Mine plans).
• Oversee site preparation including haul roads, drainage, waste rock dumps, and topsoil management.
• Design and support safe pit development, including geotechnical and water management considerations.
• Coordinate and manage earthworks contractors during initial mine construction phases.
• Ensure compliance with environmental permits and safety standards (MSHA/OSHA).
• Act as the key link between planning teams and field operations to resolve real-time site challenges.

Skills

Mine planning

Deswik

Hexagon

Civil 3D

MSHA/OSHA compliance

Education

Bachelor’s degree in Mining Engineering

Tools

Civil 3D

Job description

Ember Grey seeks a Mine Development Planner to support the early-stage development of a large-scale open-pit copper project. The role bridges long-term mine planning with on-site execution to ensure safe, efficient, and well-sequenced development of new mining infrastructure.

The candidate will lead 0–2 year planning horizons, oversee site prep, design safe pit development, and coordinate earthworks with contractors while ensuring adherence to MSHA/OSHA and environmental permits.