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Plant Maintenance- Swing Shift

Job Summary

Plant Maintenance is responsible for safe repair, maintenance of mining equipment typically found in an aggregate facility including, but not limited to cone crushers, jaw crushers, screen decks, material screws, conveyors, pumps, dust collectors, asphalt drums, bins, silos, hoppers. This individual is expected to complete pre-shift and post-shift equipment inspections, submit required daily documentation, and assist in plant operations as needed.


  • Perform safety/mechanical inspections of the plant and equipment
  • Address any housekeeping issues within the work area
  • Proper use of company provided and/or own tools to complete repair and maintenance tasks
  • Able to use welder and cutting torches to repair and maintain plant equipment
  • Understand all CalPortland policies and procedures
  • Understand and comply with MSHA rules and regulations
  • Good attendance and punctuality are a must
  • Able to work irregular and extended hours and weekends to complete maintenance, repairs within the facility
  • Proper use of PPE (Personal Protective Equipment) always


High School Diploma/GED


  • Familiarity with aggregates and construction materials – sand, gravel, crushed rock, etc.
  • Have mining experience or other experiences including: welding, fabricating, belt splicing, and/or familiarity working around crushers, screens, sand screws, etc.
  • Knowledge of various aggregate plant equipment including hoppers, feeders, conveyors, screens, crushers, and track mounted screens and crushers
  • Familiarity with mine site safety rules and regulations
  • Ability to use various hand tools and equipment as necessary
  • Ability to work outdoors in inclement weather (heat, cold, rain) for shifts up to 12 hours in length
  • Able to lift 50 pounds frequently, up to 100 pounds occasionally, climb stairs/ladders, and walk on uneven or rough terrain
  • Punctual and reliable, with adequate means of transportation to arrive at work when scheduled



At CalPortland, we’re proud to offer a comprehensive, competitive benefits package that provides health and financial support to our most important resources: our employees.  Your benefits are an important part of your overall compensation at CalPortland. That’s why we give you a wide range of benefits to choose from.  All regular full time employees may enroll in a variety of health and welfare plans including medical, dental and vision plans.  Other benefits include life insurance, disability coverage, employee assistance program, and retirement program.  The company also has a variety of voluntary benefits for employees to choose from.

Conditions of Employment

Successful candidate must submit to post-offer pre-employment physical examination, drug/alcohol screen, and background check. Some positions require FMCSA regulated on-going drug and alcohol testing.


Plant Maintenance- Swing Shift

Job Req ID:  1332
Job Type:  Hourly - Full-Time

Nearest Major Market: Portland Oregon

Job Segment: Maintenance, Plant, Housekeeping, Medical, Manufacturing, Hospitality, Healthcare