Crusher Maintenance Tech - St. George, UT

Staker Parson Materials & Construction; Saint George (UT); On-site; USD 55,000 - 85,000; Full time

Job summary

Western Rock Products is seeking a Crusher Maintenance Technician to inspect, service, troubleshoot, and repair crushing and screening equipment in aggregate operations. The ideal candidate will be mechanically inclined, safety-focused, and experienced with heavy equipment in mining or aggregate environments.

The role emphasizes maximum uptime, efficient operation, and safe production of quality materials. Candidates should have 3–5+ years of crusher maintenance experience and be comfortable

Qualifications

• 3–5+ years of crusher maintenance or heavy equipment repair experience.
• Experience with crushing and screening equipment preferred.
• Strong mechanical knowledge and safety focus.

Responsibilities

• Perform routine preventative maintenance on crushers, screens, conveyors, feeders.
• Diagnose mechanical, hydraulic, and electrical issues and repair.
• Replace wear parts and maintain equipment logs.
• Follow MSHA safety policies and lockout/tagout procedures.
• Assist in plant startups, shutdowns, and changeovers.

Skills

Mechanical aptitude

Hydraulics & pneumatics

Conveyors & bearings

Welding & fabrication

Reading diagrams & manuals

CMMS familiarity

Education

High school diploma or GED

Job description

Job ID: 525028

Western Rock Products, is A CRH Company. Our purpose, commitment to the future, and formula for growth is to champion the safety, empowerment, and development of our employees. We strive to be The Preferred Source of quality sand, rock, landscape products, ready-mixed concrete, asphalt, paving and construction services. We succeed as a team by embracing integrity, mutual respect, innovation, service, sustainability, and financial strength.

Position Overview

The Crusher Maintenance Technician is responsible for the inspection, maintenance, troubleshooting, and repair of crushing and screening equipment used in aggregate production operations. This role is critical to ensuring maximum equipment uptime, operational efficiency, and safe production of high-quality materials. The ideal candidate is mechanically inclined, safety-focused, and experienced in working with heavy equipment in a mining or aggregate environment.

Key Responsibilities (Essential Duties & Functions)

Equipment Maintenance & Repair

• Perform routine preventative maintenance on crushers, screens, conveyors, feeders, and associated equipment
• Diagnose mechanical, hydraulic, and electrical issues and perform timely repairs
• Replace wear parts including liners, belts, bearings, rollers, and screens

Inspection & Troubleshooting

• Conduct daily and periodic inspections to identify potential equipment failures
• Troubleshoot and resolve production issues to minimize downtime
• Maintain accurate maintenance records and inspection logs

Safety & Compliance

• Follow all company safety policies and MSHA regulations
• Participate in safety meetings, hazard assessments, and job safety analyses
• Ensure proper lockout/tagout (LOTO) procedures are followed during maintenance activities

Plant Operations Support

• Work closely with plant operators and supervisors to coordinate maintenance activities
• Assist with plant startups, shutdowns, and changeovers
• Monitor equipment performance and make recommendations for improvements

Welding & Fabrication

• Perform basic to advanced welding, cutting, and fabrication as needed for equipment repair
• Assist with modifications to improve equipment efficiency and longevity

Parts & Inventory Management

• Assist in identifying and ordering replacement parts and maintaining appropriate inventory levels
• Track usage of wear parts and recommend stocking levels

Continuous Improvement

• Identify opportunities to improve maintenance practices, reduce downtime, and enhance safety
• Support plant efficiency and cost-control initiatives

Qualifications

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skills, and/or ability required. Reasonable accommodation may be made to enable individuals with disability to perform the essential functions.

Education/Experience

• High school diploma or GED required
• 3-5+ years of experience in crusher maintenance, aggregate operations, mining, or heavy equipment repair preferred
• Prior experience with crushing and screening equipment (e.g., jaw, cone, impact crushers) strongly preferred

Knowledge/Skills

• Strong mechanical aptitude with knowledge of hydraulics, pneumatics, and mechanical systems
• Experience with conveyors, motors, gearboxes, and bearings
• Welding and fabrication skills preferred
• Ability to read and interpret equipment manuals, schematics, and technical drawings
• Familiarity with preventative maintenance programs and CMMS systems is a plus

Physical Requirements

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. The employee is frequently required to sit, climb, and use hands to signal and handle equipment. The employee is occasionally required to stand, walk, crawl, kneel, bend, and reach with hands and arms above their shoulders. The employee must occasionally lift and/or move anywhere up to 50 lbs. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision and depth perception.

Work Environment

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is occasionally exposed to wet and/or humid conditions; moving mechanical parts; outside weather conditions; and extreme cold and/or heat. The noise level in the work environment is usually moderate to loud. The statements included in this job description are not intended to be all-inclusive. They represent typical elements and criteria necessary to successfully perform the job. Other duties may be assigned as required. Requirements for this job are subject to modification by the Company and its designees, and reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

What CRH Offers You

• Highly competitive base pay
• Comprehensive medical, dental and disability benefits programs
• Group retirement savings program
• Health and wellness programs
• An inclusive culture that values opportunity for growth, development, and internal promotion

About CRH

CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.

EOE/Vet/Disability

CRH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.

AI tools may be used in certain stages of the employment lifecycle, such as candidate review; however, all final employment decisions will be made by a person.