Maintenance Technician

Job Details

Company: Matheson Tri-Gas
Job Ref: # 6159834
Date Posted: 6/1/2026
City, State: Irwindale, CA
Salary (USD): $42 - $52

Description

The ASU Maintenance Technician is responsible for ensuring the proper predictive, preventative and corrective maintenance of mechanical, electro-mechanical, pneumatic, structural and piping systems is performed as necessary to achieve the safe, reliable and efficient operation of the air separation plants. This position reports directly to the ASU Plant Manager.

Job Functions:

  • Implement or oversee the corrective maintenance (repair/replacement) of all process equipment.
  • Troubleshoot and evaluate equipment malfunctions. Coordinate with plant management to determine and implement proper corrective action.
  • Utilize and assist with the administration of the Company CMMS (MAPS) to schedule and document all preventative and corrective maintenance tasks.
  • Keep all shops and areas where work is being performed in a clean and orderly condition utilizing 5S principles.
  • Adhere to all Safety, Health and Environmental policies and procedures. Be Safety Conscious at all times and practice Interdependent Behavior.
  • Communicate with contractors and vendors to solicit quotes, order parts, and coordinate work to be performed by them.
  • Assist with the research, selection and negotiation of purchases for suitable plant equipment.
  • Read and interpret process diagrams, wiring schematics, technical drawings and equipment manuals.
  • Travel to assist with maintenance activities at other Company locations when needed.
  • Be on-call as required. Work nights and weekends when necessary.
  • Perform routine calibration of analytical test equipment and document properly.
  • Prepare and maintain Company production and quality records to conform to regulations of the FDA, EPA, OSHA, ISO Quality Systems and any other governing bodies as required.
  • Monitor and adjust air separation plant process controls to meet product specifications and production goals.
  • Assist with startups and shutdowns of the plants in a safe manner as directed by plant management due to operating conditions and business needs.
  • Complete all required training as directed in a timely manner.
  • Perform cooling water treatment testing, document results and make adjustments to water chemistry controls as necessary to optimize.
  • Participate in the maintenance and updating of plant and equipment work instructions.

Must-Have Skills, Educations, & Experience:

  • Equivocal experience working in a similar capacity (mechanical, chemical, or related technical field) with at least 5 years of leadership experience. Military experience in engineering and auxiliary plant operations is great. Bachelor's degree in mechanical, chemical, or technical degree preferred.
  • Understanding of Air Separation Unit (ASU) processes, cryogenic distillation, and related mechanical/electrical systems.
  • Basic computer skills and understanding of General Accounting Techniques.
  • Understanding of Analytical principles and process optimization.
  • Ability to schedule and manage personnel in an industrial setting.
  • Strong public speaking and presentation preparation abilities.
  • Demonstrated ability to independently manage multiple workstreams and drive execution.
  • Willingness and ability to be on call for plant needs (Personnel, Equipment, Customer problems).



Job Posting

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