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Maintenance Mechanic/Operator

711 Materials, Inc.
Onyx, CA Full Time
POSTED ON 12/18/2025
AVAILABLE BEFORE 2/18/2026
   
"OUR PEOPLE ARE OUR STRATEGY"   
We are growing and in need of a Maintenance Mechanic/Operator for our 711 Materials, Inc. Facility.
Come join a team with a great company culture that offers competitive wages and benefits!! We offer Paid Time Off, Medical, Dental, Vision Care Insurance. We offer a 401k program. A Pension Program, Life Insurance, AD&D and opportunities for growth and development. 
  
The Maintenance Mechanic/Operator will have a high degree of competence, skill and proficiency in rock plant/ ready mix plant maintenance. Must be a self starter that requires very little oversight. Must be able to take a maintenance project from start to end with skills in welding and fabrication. Must also possess a high level of mechanical skills while performing all work safely.  Employees are also required to perform other duties as assigned by supervisor. Our Maintenance Mechanic/Operator will be responsible for the maintenance, repairs, and operating of various types of equipment. 
Duties and responsibilities:

  • Employees must have solid experience in welding, fabrication and mechanical 
  • May be required to operate heavy equipment. 
  • Must be capable of troubleshooting plant operational problems, completing plant repairs and performing plant preventative maintenance duties. 
  • Must be capable of lifting and carrying 50 lbs loads and must supply own hand tools. 
  • Reads meters and gauges, automatic recording devices or performs visual inspections at specified intervals to verify proper operating conditions. 
  • Operates and inspects stationary engines and mechanical equipment such as; conveyor systems, dust control equipment, blowers, bins and hoppers, air compressors, generators and motors to produce the applicable product being produced by the operation. 
  • Visually inspects equipment at periodic intervals to detect malfunctions or need for repair, adjustment or lubrication and either reports data to appropriate personnel or performs necessary maintenance on subject equipment by tightening fittings, oiling and lubricating equipment, repacking bearings, gaskets, replacing or repairing conveyor components, gauges or other components or other maintenance operations applicable to the proper operation of the rock plant. 
  • Operates equipment on the plant site as needed. 
  • Performs routine maintenance and minor repairs on Ready Mix truck as needed.  
  • Ability to Operate a Front-end loader 
  • Ability to Operate a skid steer 
  • Ability to Operate an Excavator 
  • Parts running, picking up parts, supplies, dropping off parts. 
  • Lube and services on equipment. 
  • Assist other roles in their duties if needed 

Skills Required:

  • Commercial Driver’s License w/Tanker endorsement a plus 
  • Must be atleast 21 years of age. 
  • Welding and fabrication experience to include stick welding and cutting torch skills 
  • Must be mechanically inclined  
  • High School Graduate or General Education Degree (GED): or Work Equivalent  
  • Experience in a mechanical role. 
AFFIRMATIVE ACTION STATEMENT:  
Applicants must be currently authorized to work in the United States.  
We are proud to be an Equal Opportunity and Affirmative Action employer, and consider qualified applicants without regard to race, color, creed, religion, ancestry, national origin, sex, sexual orientation, gender identity, age, disability, veteran status or any other protected factor under federal, state or local law.

Salary : $25 - $32

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