Concentrator Mill Maintenance Mechanic | 24/7 Ops

Asarco Llc; Kearny (AZ); On-site; USD 34,000 - 55,000; Full time

Job summary

ASARCO LLC in Kearny, Arizona, is seeking a skilled Mill Maintenance Mechanic – Concentrator to inspect, troubleshoot and repair heavy milling equipment in a demanding 24/7 operation. You will perform preventative maintenance on crushers, mills, conveyors, pumps, and other process equipment, follow blueprints and safety procedures, and mentor teammates while maintaining a safe, productive workplace.

This role requires strong mechanical aptitude, ability to read schematics, and commitment to

Qualifications

• 2+ years of hands-on experience in mill mechanical maintenance.
• Ability to read, interpret, and apply technical manuals, blueprints, schematics, and safety instructions in English.
• Experience with conveyors, crushers, mills, pumps, and lubrication systems is a plus.
• Willingness to train, guide and mentor fellow team members.
• Must have a current valid driver's license; background check and drug screen required.

Responsibilities

• Maintain and repair complex milling systems including crushers; ball/SAG mills; screens; pumps and lubrication systems.
• Perform preventative maintenance and identify potential failures and wear.
• Achieve precise gear and shaft alignments; perform corrective repairs.
• Maintain conveyors and other equipment within concentrator operations.
• Operate material handling and small mobile equipment safely.
• Adhere to OSHA and MSHA safety standards and keep a clean work area.

Skills

Mechanical aptitude

Reading schematics & blueprints

English communication

Manual dexterity

Safety compliance

Education

High School Diploma or equivalent

Tools

Mobile cranes >20 tons

Welding equipment (Stick/TIG/MIG)

Job description

Mill Maintenance Mechanic – Concentrator

#1078

Kearny, Arizona, United States

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Site

Ray Complex

Site Location

Kearny , Arizona , United States

POSITION OVERVIEW

We are seeking a skilled and safety-focused Mill Maintenance Mechanic – Concentrator to join our operations and drive reliability across our Concentrator facility. In this critical role, you will be responsible for inspecting, troubleshooting, repairing, and maintaining heavy industrial machinery and structural components to ensure maximum operational uptime

Key Responsibilities:

Maintain and repair complex milling systems, including crushers, ball mills, semi-autogenous (SAG) mills, screen decks, compressors, filter drums, horizontal and vertical centrifugal pumps, flotation cells, classifiers, and centralized lubrication systems.

Conduct mechanical and lubrication preventative maintenance by proactively identifying potential failures, abnormal noises, and wear on agitators, rotors, belts, pulleys, and gearboxes.

Perform precise gear and shaft alignments and execute corrective repairs to optimize asset performance.

Maintain and repair large-scale industrial conveyors within a demanding concentrator environment.

Utilize certified welding techniques (Stick, TIG, MIG, and Arc) to perform structural repairs and fabrication.

Safely operate material handling and support equipment, including forklifts, overhead cranes, pneumatic air tools, and small mobile machinery.

Champion a zero-harm culture by maintaining a clean work area, conducting rigorous safety inspections, and adhering strictly to OSHA and MSHA standards.

Work rotating shifts to support a continuous 24/7/365 mining and processing operation.

Requirements

REQUIRED KNOWLEDGE SKILLS AND ABILITIES

• Ability to understand and apply verbal and written work and safety-related instructions and procedures in English
• Ability to communicate in English with respect to job assignments, job procedures, and applicable safety standards
• Ability read and use schematics and blue prints
• Requires manual dexterity in the use of hand tools.

Qualifications:

High School Diploma or equivalent

2+ years of hands-on experience in mill mechanical maintenance, or an equivalent combination of education and industrial repair experience.

Previous experience operating mobile cranes exceeding 20 tons.

Ability to read, interpret, and apply technical manuals, blueprints, schematics, and written/verbal safety instructions in English.

Strong mechanical aptitude, exceptional time-management skills, and precise manual dexterity for hand-tool operation.

Willingness to train, guide, and mentor fellow team members in maintenance best practices.

Complete required Environmental Awareness training and satisfy all Safety & Health training mandates, including compliance with relevant OSHA and/or MSHA standards.

ASARCO LLC provides equal opportunity for all individuals without regard to race, color, creed, religion, age, national origin, sex, pregnancy, sexual orientation, gender identity or expression, genetic information, actual or perceived disability, military status, veteran status, marital status, familial status, or any other characteristic(s) protected by local, state, or federal law(s).

Candidates must possess a current and valid driver’s license. Offers of employment are contingent upon a successful criminal background check and pre-employment physical including a drug screen.

Pay Type

Hourly

Employer Privacy Policy

EQUAL EMPLOYMENT OPPORTUNITY

ASARCO LLC provides equal opportunity for all individuals without regard to race, color, creed, religion, age, national origin, sex, pregnancy, sexual orientation, gender identity or expression, genetic information, disability, military status, veteran status, familial status, or any other characteristic(s) protected by local, state, or federal law(s).

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