Mine Engineer - Open Pit Planning & Optimization

Origin Mining Company; Golden Valley (AZ); On-site; USD 95,000 - 130,000; Full time

Job summary

Origin Mining Company in Golden Valley, AZ, seeks a Mine Engineer to provide technical engineering support for safe, efficient, and cost-effective open pit operations. You will assist with mine planning, production optimization, drill and blast design, geotechnical monitoring, and performance analysis across cross-functional teams.

The role requires developing and maintaining mine plans, monitoring activities, and contributing to continuous improvement initiatives to enhance productivity,

Qualifications

• Bachelor’s Degree in Mining Engineering or a related engineering discipline.
• 3–5 years of experience in open pit mining operations.
• Experience with mine planning and design software such as Vulcan, MineSight, or similar 3D CAD platforms.
• Experience developing mine plans, production schedules, and drill and blast designs.
• Strong understanding of open pit mining methods, mine design principles, and operational best practices.

Responsibilities

• Develop and maintain daily, weekly, monthly, and quarterly mine plans in alignment with the life-of-mine plan and production targets.
• Monitor mining activities to ensure compliance with approved mine plans, safety standards, and operational objectives.
• Prepare and update short- and medium-term mine designs, production schedules, and excavation sequences.
• Design and coordinate drill and blast programs to support efficient rock fragmentation and mining performance.
• Develop and maintain ore stockpile, waste dump, and haul road designs to optimize operational efficiency.
• Monitor ore and waste movement to ensure material is placed according to plan and in compliance with environmental and operational requirements.
• Analyze production data and key performance indicators to identify opportunities for operational improvement and cost reduction.
• Collect, review, and report geotechnical monitoring data, identifying potential risks and recommending corrective actions as required.
• Collaborate with geology and grade control teams to ensure accurate ore delineation and resource utilization.
• Support survey activities and validate mine designs against field conditions.
• Conduct field inspections to verify mining progress, identify operational challenges, and ensure adherence to engineering standards.
• Prepare technical reports, presentations, and engineering documentation for management and regulatory requirements.
• Participate in safety initiatives, risk assessments, and continuous improvement programs.
• Work collaboratively with operations, maintenance, environmental, and geology teams to achieve production and business objectives.

Skills

Mine planning

Drill & blast

Geotechnical monitoring

Data analysis

Education

Bachelor's degree in Mining Engineering

Tools

Vulcan

MineSight

Job description

Origin Mining Company in Golden Valley, AZ, seeks a Mine Engineer to provide technical engineering support for safe, efficient, and cost-effective open pit operations. You will assist with mine planning, production optimization, drill and blast design, geotechnical monitoring, and performance analysis across cross-functional teams.

The role requires developing and maintaining mine plans, monitoring activities, and contributing to continuous improvement initiatives to enhance productivity,