Mill Maintenance Mechanic – Concentrator

Asarco Llc; Arizona; On-site; USD 34,000 - 55,000; Full time

Job summary

ASARCO LLC in Kearny, Arizona seeks a Mill Maintenance Mechanic – Concentrator to inspect, troubleshoot, repair and maintain heavy milling equipment for maximum uptime and safety. You’ll work on crushers, ball and SAG mills, conveyors, pumps and more, performing preventive maintenance and precision alignments with welding repairs.

Must read manuals and schematics, have 2+ years of mill mechanical maintenance, and operate within OSHA/MSHA standards on rotating shifts. Equal opportunity employer.

Qualifications

• Must read and interpret technical manuals, blueprints and schematics.
• 2+ years hands-on mill mechanical maintenance experience.
• Strong mechanical aptitude and precise manual dexterity.
• Willingness to train and mentor teammates.

Responsibilities

• Maintain and repair milling systems (crushers, ball mills, SAG mills, conveyors).
• Perform preventive maintenance and align gear shafts for optimal asset performance.
• Operate material handling equipment and welding for structural repairs.
• Adhere to OSHA and MSHA safety standards; conduct inspections.
• Work rotating shifts to support a 24/7 operation.

Skills

English communication

Mechanical aptitude

Time management

Manual dexterity

Education

High School Diploma

Tools

Certified welding (Stick/TIG/MIG)

Mobile cranes >20 tons

Job description

Mill Maintenance Mechanic – Concentrator

#1078

Kearny, Arizona, United States

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

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).