~4h ago
$33.75 per hour

Plant Mechanic Helper

United StatesUnited States·Irwindalemid
MechanicSkilled Trades & Field Services
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Quick Summary

Overview

Job Description Plant Mechanic Helper Company: SULLY-MILLER Job Location: IRWINDALE, CALIFORNIA,

Technical Tools
MechanicSkilled Trades & Field Services
Job Description
Plant Mechanic Helper
Company:  SULLY-MILLER
Job Location:  IRWINDALE, CALIFORNIA, USA
Type of Contract:  Regular
Posting Start Date:  10/14/26

United Rock Products is one of the companies that operates within Sully-Miller Contracting Co., the Colas USA subsidiary that operates throughout Southern California. We are part of Sully-Miller Companies consisting of Sully-Miller Contracting Co., Blue Diamond Materials and United Rock Products. Each company supports the other. United Rock provides the aggregate, Blue Diamond Materials provides the hot and warm mix asphalt manufacturing, and Sully-Miller Contracting executes the projects. Mining of construction aggregates at United Rock Products in the San Gabriel Valley has taken place since 1916. Our top-rated 300-acre site is located in Irwindale, California, just 25 miles east of Los Angeles. Virgin aggregate material is processed into sand and gravel through cutting-edge crushing and screening operations. To learn more about United Rock Products visit www.unitedrock.com.


The Colas USA Family of Companies provides competitive pay, outstanding benefits, career advancement opportunities, professional education, and extensive training for every employee. We pride ourselves on upholding the highest standards of safety, environmental conservation, and ethical conduct as we strive to grow our infrastructure products and services through empowering and developing our people, fostering innovation, utilizing new technology, and maximizing vertical integration at all levels of the company’s value chain. To learn more about the Colas USA Family of Companies, please visit www.colasusa.com.

Job Description: 

What We Offer

~1 min read

$33.75 per hour

 

Shift:  Monday-Friday from 2:00 PM - 10:30 PM with overtime and Saturday work requirements

Under the supervision of the Maintenance Foreman and Site Manager, the Maintenance Mechanic Helper is responsible to work on all maintenance and repair of plant equipment. The primary duty of the role is to complete routine maintenance tasks associated with the facility including but not limited to screen cloth changes, conveyor maintenance and chute repairs. 

Responsibilities

~1 min read
  • →Completes repairs according to generally accepted methods under guidance of the Foreman and/or Site Manager 
  • →Performs routine scheduled maintenance as outlined by the Foreman and/or the Site Manager  
  • →Independently removes components for repair or replacement such as, but not limited to; motors, gearboxes, pulleys, bearings, rollers, conveyor belts, v-belts, etc. 
  • →Inspects and assists Maintenance Mechanic with major repairs of crushers, screens and other processing equipment  
  • →Independently inspects and replaces screen media (with assistance), etc. 
  • →Performs minor welding and cutting -- must pass a welding/cutting test (certification not required)
  • →Replaces and or repairs chute liners/wear plates, etc. 
  • →Assist Maintenance Mechanic with crusher liner changes  
  • →Performs clean-up as necessary to keep tools, equipment, and working areas clean, orderly, and safe 
  • →Inspect work area for safety, environmental defects  
  • →Complete daily pre/ post area/equipment inspections - report as needed 
  • →Operates support equipment as needed during maintenance tasks once properly tasked trained  
  • →Other duties as assigned by Site Manager and/or Foreman
  • 2 years minimum experience in a similar industry preferred 
  • Ability to use necessary tools 
  • Must understand all of your controls and have experience with various types of equipment including man lifts, fork lifts, telehandlers, scissor lifts, etc.  
  • Must have a valid driver's license and be able to drive company vehicle 
  • Understands MSHA and CALOSHA regulations 
  • Must have a strong, team-oriented work ethic with strong focus on safety and environmental compliance 
  • Ability to understand and follow Company Handbook and Safety Policies 
  • Ability to work well with others 
  • Must have a strong mechanical aptitude 
  • Must be able to follow oral and written plans and directions 

Requirements

~1 min read
  • Ability to utilize hands and fingers in order to type and carry reports should the need require
  • Ability to stand, walk, and reach with arms and hands throughout the workday should the need arise
  • Ability to climb, balance, stoop, kneel, and crouch should the need arise
  • Ability to sit for a long period of time, possibly more than 90% of the workday
  • Ability to see clearly or with assistance via necessary correction 

Colas Inc. and its subsidiaries are an Equal Opportunity Employer. For details on the specifics of this commitment, please click here to view the EEO document.  If you are an individual with a disability and require a reasonable accommodation to:

  • to meet the requirements of the role in which you are applying
  • complete any part of the application process
  • access or use the online application process and need an alternative method for applying
     

Please contact Colas Inc. at 973-290-9082 or send an email to ColasRecruiter@colasinc.com.

Information at a Glance

Location & Eligibility

Where is the job
Irwindale, United States
On-site at the office
Who can apply
US

About this job

Pay per year
≈ $70,200 a year
3% above the $68,000 median for Mechanic jobs on Jobera (224 salaries).
Who can apply
United States
Posted
Today
Employer
has 398 open jobs on Jobera in 6 countries.

Listing Details

First seen
October 16, 2026
Last seen
October 16, 2026

Posting Health

Days active
-1
Repost count
0
Trust Level
68%
Scored at
October 16, 2026

Signal breakdown

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Plant Mechanic Helper$33.75 per hour