Mechanical Maintenance Foreman

Origin Mining Company; Arizona; On-site; USD 85,000 - 110,000; Full time

Job summary

Origin Mining Company in Arizona is seeking a Mechanical Foreman to supervise the millwrights and mechanical trades, execute maintenance plans, and drive reliability of fixed plant equipment through preventative and predictive maintenance.

You will lead safety-focused work, coordinate with operations, use CMMS for work orders, and mentor teammates while supporting continuous improvement and timely turnaround of maintenance activities.

Qualifications

• Certified trade qualification in millwright or related mechanical trade.
• 3–5 years of experience in mechanical maintenance with leadership or supervisory duties.
• Experience with fixed plant equipment in mining/industrial environments; mining experience a plus.
• Knowledge of precision maintenance, predictive maintenance, and CMMS.

Responsibilities

• Supervise and coordinate daily activities of millwrights and mechanical trades personnel.
• Execute weekly and daily maintenance plans as directed by Maintenance Superintendent.
• Lead daily line-out meetings, communicating job assignments, priorities, and safety expectations.
• Ensure all work is performed safely and in compliance with site policies and regulations.
• Support planning and scheduling by confirming labor, materials, tools, and services are available.
• Perform and promote precision and predictive maintenance to improve reliability and reduce downtime.
• Utilize CMMS to manage work orders and track maintenance activities.
• Troubleshoot equipment issues and assist in root cause analysis for failures.
• Provide hands-on technical support and guidance to trades personnel.
• Monitor job progress and provide feedback to ensure timely completion to standard.
• Assist in training, mentoring, and developing team members to enhance skills.
• Coordinate with operations and other departments to align maintenance with production needs.
• Liaise with vendors and contractors on maintenance tasks.

Skills

Leadership

Maintenance planning

CMMS

Troubleshooting

Reading technical drawings

Education

Trade certification (Millwright)

Tools

CMMS

Microsoft Office

Job description

Summary:
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 Mechanical Foreman provides day-to-day supervision and coordination of the mechanical maintenance team. This role is responsible for executing maintenance plans, supporting safe work practices, and ensuring the reliability of fixed plant equipment through preventative, predictive, and precision maintenance practices. The Mechanical Foreman works closely with the maintenance team to minimize downtime and maintain operational efficiency.

Job Responsibilities

• Supervise and coordinate daily activities of millwrights and mechanical trades personnel.
• Execute weekly and daily maintenance plans as directed by the Maintenance Superintendent.
• Lead daily line-out meetings, clearly communicating job assignments, priorities, and safety expectations.
• Ensure all work is performed safely and in compliance with site policies, procedures, and regulations.
• Support planning and scheduling activities by confirming labor, materials, tools, and services are available for assigned work.
• Perform and promote precision and predictive maintenance practices to improve equipment reliability and reduce downtime.
• Utilize CMMS to manage work orders, track maintenance activities, and ensure accurate documentation.
• Troubleshoot equipment issues and assist in root cause analysis for failures, recommending corrective actions.
• Provide hands-on technical support and guidance to trades personnel as required.
• Monitor job progress and provide feedback to ensure work is completed efficiently and to standard.
• Assist in training, mentoring, and developing team members to enhance skills and performance.
• Coordinate with operations and other departments to align maintenance activities with production needs.
• Liaise with vendors and contractors on specific tasks or equipment servicing as required.

Qualifications

• Certified trade qualification (Millwright or related mechanical trade preferred).
• Minimum 3–5 years of experience in mechanical maintenance, with demonstrated leadership or supervisory experience.
• Strong experience working with fixed plant equipment in industrial, manufacturing, construction, or mining environments (mining experience considered an asset).
• Working knowledge of:
  • Precision maintenance practices
  • Predictive maintenance techniques
  • CMMS (Computerized Maintenance Management Systems)
• Solid troubleshooting and problem-solving skills in mechanical systems.
• Ability to read and interpret technical drawings, manuals, and work orders.
• Strong communication and leadership skills, with the ability to effectively direct and support a team.
• Proficient in basic computer applications (e.g., CMMS, Microsoft Office).
• Strong commitment to safety and continuous improvement.

Physical Demands

• 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.