Employment Opportunities

Contact Human Resources

Fax: (310) 638-2005
Mail: 3112 E. Las Hermanas St.
Rancho Dominguez, CA 90221

Maintenance Mechanic - Electrician

2nd Shift




Diamond Mattress is a fourth generation, family-owned and operated company committed to handcrafting mattresses in the USA since 1946. We care about our customers and our products, focusing on quality, value, and promoting the importance of a good night’s sleep for your health.



Diamond Mattress is looking for a maintenance / technician. The primary function of this position is to troubleshoot, repair, monitor and maintain line equipment in a mattress manufacturing environment. The technician must also be able to fabricate, test and adjust machine parts according to a set- schedule and in urgent and non-urgent situations.



  • Hourly Pay
  • Health & Dental
  • Vacation, sick, birthday & holiday pay



  • High School Diploma or GED
  • At least 3 years’ experience in the maintenance field
  • Ability to prioritize and organize daily tasks and long-term projects
  • Deductive Reasoning - The ability to apply general rules to specific problems to produce answers that make sense.
  • Problem Sensitivity - The ability to tell when something is wrong or likely to go wrong. It does not involve solving the problem, only recognizing there is a problem.
  • People Interaction - Ability to work with diverse groups to reach consensus regarding problems, and needed changes.
  • Mechanical - Knowledge of machines and tools, including their designs, uses, repair and maintenance.
  • Electrical - Knowledge of circuits, programmable logic controllers (PLCs), sensors, switches, including their connectivity to mechanical systems, uses, repair and troubleshooting.
  • Basic knowledge of electronic systems and machining
  • Ability to solder and weld
  • Ability to read schematics, drawings, and plans
  • Ability to use, or learn to use new tools necessary for unique machines
  • Ability to read, write, and communicate in English as it relates to the job and safety regulations
  • Focus on safety
  • Ability to lift 50 lbs.
  • Ability to bend while performing mechanical tasks
  • Ability to stand and walk for extended periods of time



Electrical Troubleshooting, Repair and Maintenance

  • Electrical - Knowledge of circuits, programmable logic controllers (PLCs – not programming but basic understanding), sensors, switches, including their connectivity to mechanical systems, uses, repair and troubleshooting.
  • Trace electrical circuits, following diagrams, and conduct tests with circuit testers and other equipment to locate shorts and grounds.
  • Troubleshoots, adjusts, and repairs all electrical equipment, components, transducers, and complex timing and inspection devices.
  • Refer to schematic drawings, product manuals, and troubleshooting guides in order to diagnose and repair problems.

Mechanical Repair and Maintenance

  • Recommend whether machine repair or replacement is a better choice.
  • Replace worn and defective parts such as switches, bearings, transmissions, belts, gears, circuit boards, or defective wiring.
  • Disassemble machines so that problems can be diagnosed and repairs can be made.
  • Reassemble equipment after repairs are made, making adjustments and cleaning and lubricating parts as needed.
  • Clean and reinstall parts.
  • Observe and examine machines during operation to detect specific malfunctions such as loose parts or leaking fluid.
  • Observe and test operation of equipment following installation, and make any initial installation adjustments that are necessary.
  • Test and examine air pipelines and equipment to locate leaks and faulty connections, and to determine the pressure and flow of air.

Mechanical & Parts Record Keeping

  • Maintain stock parts used in on-site installation, maintenance, and repair of machines.
  • Record maintenance and repair work performed on equipment.
  • Performs preventative maintenance

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