Origin Mining Company operates the Mineral Park copper-molybdenum mine in Arizona and is focused on responsible, sustainable resource development. We aim to lead the U.S. copper industry through strong safety practices, environmental stewardship, and operational excellence. Our team is committed to doing things the right way—acting with integrity, supporting our communities, and creating long-term value. With a hands-on, technically driven approach, we are advancing both leach and concentrator operations to produce high-quality copper and molybdenum products.

Position Overview:
The Senior Mine Engineer provides technical leadership and engineering expertise to support safe, efficient, and profitable mining operations. This role is responsible for developing and optimizing mine plans, supporting day-to-day operational performance, and contributing to long-term strategic planning. Working closely with operations, geology, maintenance, processing, and finance teams, the Senior Mine Engineer drives continuous improvement initiatives, evaluates mining opportunities, and ensures engineering practices align with business objectives. This position requires strong technical competence, analytical skills, and the ability to effectively communicate and lead across multidisciplinary teams.

Job Responsibilities:

Provide technical leadership and engineering support for all aspects of open-pit mining operations.
Develop, review, and optimize short-, medium-, and long-range mine plans, including life-of-mine (LOM) strategies, pit designs, sequencing, and scheduling.
Support annual budgeting, forecasting, and business planning processes through technical analysis and cost evaluation.
Identify and implement opportunities to improve mine productivity, equipment utilization, operational efficiency, and resource recovery.
Conduct engineering studies and trade-off analyses related to mine design, haulage, equipment selection, and operational improvements.
Monitor operational performance against plan and recommend corrective actions to achieve production and cost targets.
Collaborate with geology, operations, processing, maintenance, environmental, and finance teams to ensure integrated mine planning and execution.
Analyze production, cost, and equipment performance data to support operational decision-making and continuous improvement initiatives.
Prepare technical reports, presentations, and recommendations for management, corporate leadership, and external stakeholders.
Mentor and provide technical guidance to mine engineers, planners, and other technical personnel.
Ensure compliance with all applicable safety, environmental, and regulatory requirements.
Utilize mine planning and engineering software to develop accurate designs, schedules, and operational analyses.
Participate in strategic initiatives, capital projects, and mine expansion studies as required.

Qualifications:

Bachelor's degree in Mining Engineering or a related discipline.
Minimum of 7–10 years of progressive mining experience, including mine planning, operations support, and mine engineering responsibilities.
Strong background in open-pit mining operations, mine design, and production optimization.
Proficiency in mine planning and design software (Vulcan preferred; MinePlan, Deswik, or equivalent considered).
Experience with budgeting, cost control, and financial evaluation of mining projects and operations.
Advanced proficiency in Microsoft Office Suite (Excel, PowerPoint, Word).
Strong analytical and problem-solving skills with the ability to evaluate complex technical and operational issues.
Experience analyzing large datasets and utilizing data-driven approaches to improve performance.
Familiarity with fleet management systems, dispatch systems, Trimble technologies, and AutoCAD is considered an asset.
Demonstrated leadership, mentoring, and project management capabilities.
Excellent written and verbal communication skills, including the ability to present technical information to diverse audiences.
Ability to work effectively in a multidisciplinary team environment and influence decision-making across departments.
Professional Engineer (P.E.) license, Professional Engineer (P.Eng.) designation, or eligibility for registration is preferred.

Physical Demands:
To be eligible for this position, an individual must possess the following requirements to perform the essential job functions:

Must be able to physically perform the basic life operational functions of climbing, stooping, kneeling, crouching, reaching, standing, walking on uneven surfaces, pushing, pulling, lifting, fingering, grasping, feeling, talking, hearing, and repetitive motion.
Ability to work both indoors and outdoors in all kinds of weather.

Able to operate a telephone and mine phone/radio with sufficient voice and hearing to carry on a conversation for the purpose of communicating information.
Able to hear sufficiently to distinguish various pitches of warning alarms.
Able to lift up to 25 pounds periodically