Mechanical Superintendent

The Mechanical / Maintenance Superintendent is responsible for leading all maintenance and mechanical activities supporting Milford Mining Company’s mining and mineral processing operations. This role provides hands-on and strategic leadership to ensure plant and mobile equipment reliability, safe work execution, and continuous improvement across crushing, grinding/milling, flotation, acid leach, solvent extraction and electrowinning operations. The Superintendent will oversee maintenance personnel, contractors, and maintenance systems while working closely with Operations, Engineering, and Health & Safety to maximize equipment availability and production performance.

This position requires proven leadership capability, advanced mechanical maintenance expertise, and a strong understanding of mineral processing equipment and systems.

Essential Functions

Leadership & Supervision

• Lead, mentor, and develop Maintenance Team Leaders, planners, and trades personnel (mechanics, electricians, welders).
• Establish clear expectations for safety, performance, and accountability across the maintenance team.
• Foster a strong safety culture aligned with Company policies and MSHA requirements.
• Coordinate and manage contractors for specialized maintenance and shutdown activities.

Maintenance & Reliability

• Direct preventive, predictive, and corrective maintenance programs for plant and site equipment.
• Ensure high availability and reliability of critical assets across all processing areas, including:
  • Crushing systems (primary, secondary, and tertiary crushers)
  • Grinding and milling equipment (ball mills, grinding circuits, cyclones)
  • Sulfide flotation circuits (flotation cells, agitators, blowers, launders)
  • Acid leach systems (leach tanks, pumps, piping, heaters, agitators)
  • Solvent extraction (SX) equipment (mixer-settlers, pumps, organic handling systems)
  • Electrowinning (EW) systems (cells, rectifiers, cathode handling equipment)
  • Pumps (slurry, process, centrifugal, and positive displacement)
  • Electric motors, drives, and control equipment
  • Conveyors, gearboxes, and material handling systems
• Lead root cause failure analysis (RCFA) and implement long-term corrective actions.
• Develop and manage maintenance shutdown planning and execution.

Welding & Fabrication

• Oversee welding, fabrication, and structural repairs to ensure compliance with engineering standards and quality requirements.
• Ensure proper welding procedures, qualifications, and inspections are followed.

Planning, Budgeting & Controls

• Develop and manage maintenance budgets, including labor, parts, and contract services.
• Optimize spare parts inventory and maintenance materials management.
• Track and report key maintenance KPIs (equipment availability, downtime, MTBF, MTTR, cost control).

Engineering & Continuous Improvement

• Apply mechanical and process engineering principles to improve equipment performance, maintainability, and safety across crushing, grinding/milling, flotation, acid leach, solvent extraction, and electrowinning operations.
• Support process improvements and debottlenecking initiatives across oxide and sulfide processing circuits.
• Participate in equipment selection, design reviews, and commissioning of new or modified systems.
• Collaborate with Operations and Process Engineering to address throughput, recovery, and reliability constraints.

Safety & Compliance

• Ensure all maintenance activities comply with MSHA regulations, company safety policies, and environmental requirements.
• Lead safety meetings, job hazard analyses (JHAs), and incident investigations related to maintenance activities.

Skills & Competencies

• Strong leadership and team development skills
• Practical, hands-on mechanical aptitude
• Ability to troubleshoot complex mechanical and process-related issues
• Excellent planning, organizational, and communication skills
• Data-driven decision-making and continuous improvement mindset
• Ability to work effectively in a remote, operations-focused mining environment

Work Environment

• Combination of office, plant, and field work in an active mining and processing environment
• Must be able to work extended hours during shutdowns and critical maintenance events

Physical Demands

While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to sit; stand; walk on flat and uneven ground; ascend/descend stairs. Will require the ability to lift 50 lbs, bend and/or stand as necessary.

Position Type/Expected Hours of Work

This is a full-time position. Days and hours of work are Monday through Friday, 7:00 a.m. to 5 p.m. Occasional evening and weekend work may be required as job duties demand.

Travel
Occasional travel may be necessary.

Work Authorization/Security Clearance (if applicable)

Authorized to work in the U.S.

AAP/EEO Statement

Milford Mining Company Utah is an equal opportunity employer

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

• Bachelor’s degree in Mechanical Engineering, Process Engineering, or a related field OR equivalent combination of education and significant hands-on experience in mining or mineral processing maintenance.
• Proven leadership experience in a maintenance management role within mining, mineral processing, or heavy industrial operations.
• Advanced hands-on maintenance experience with mining and mineral processing equipment and systems, including:
  • Crushing systems (primary, secondary, and tertiary)
  • Grinding and milling equipment (ball mills, grinding circuits, cyclones)
  • Sulfide flotation systems (cells, agitators, blowers, launders)
  • Acid leach systems (leach tanks, pumps, piping, heaters, agitators)
  • Solvent extraction (SX) equipment (mixer-settlers, pumps, organic handling systems)
  • Electrowinning (EW) systems (cells, rectifiers, bus bars, cathode handling equipment)
  • Pumps and slurry handling systems
  • Electric motors, drives, and mechanical power transmission
  • Welding and fabrication
• Strong knowledge of preventive and predictive maintenance practices.
• Working knowledge of MSHA regulations and mine safety standards.

Preferred

• Experience in copper or base metal mining operations
• Reliability engineering or maintenance management training
• Experience leading major shutdowns and capital projects
• Familiarity with CMMS systems and maintenance planning tools