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Field Service Technician - Chicago, IL Area

Matheson Tri-Gas
United States, Illinois, Joliet
Oct 08, 2026

Field Service Technician/Industrial Gases - Chicago, IL Area

Wage $30-$40 per hour.

This position is broadly responsible for installation, assembly, commissioning, and service of cryogenic and non-cryogenic application equipment, cylinder and bulk storage systems, and gas distribution piping used in the Food Processing, Metals, Manufacturing, Chemical, Water Treatment and other industries.

Essential Function
* Work independently and under supervision of Project Engineer/Manager.
* Review scope of work documents, engineering specifications and plans, process schematics, and Bill of
Materials.
* Rig in place, install, assemble, startup, repair and service machinery and equipment used in industrial gas
applications at customer sites: freezers; gas mixers; flow, pressure and temperature control systems;
blowers, pumps, and compressors; process water chillers; gas purifiers; and analytical and gas detection
equipment.
* Perform pipe-fitting and install interconnecting piping.
* If qualified as a brazer or welder, perform brazing and welding operations when required.
* Supervise subcontractors and hired trades, hold daily Toolbox Talks, and ensure all Matheson and
Customer's safety requirements are met.
* Deliver projects on-time and on-budget, with an emphasis on technical excellence and safety.

Required for All Jobs
* Performs other duties as assigned
* Complies with all policies and standards

Education Level Education Details Req/ Pref
High School
Diploma or GED Vocational training in any of the following field: refrigeration, automotive, plumbing, electrician, or aviation. Associate degree in a technical field is a plus.

Work Experience
Experience Experience Details Required/ Preferred
10+ years * Minimum 10 years experience in plant maintenance, or Minimum 5 years experience as a service technician with industrial gases company. * Brazing or welding certification or knowledge of general brazing and welding techniques and equipment is a plus.

Knowledge, Skills and Abilities
* Ability to follow engineering instructions and specifications, and read blueprints and Bills of Materials
* Ability to read electrical schematics. Knowledge of PLCs is a plus.
* Ability to operate typical hand held power tools such as saws, drills, and grinders.
* Ability to perform mechanical and electrical troubleshooting tasks with minimum supervision.
* Familiarity with cryogenic and non-cryogenic systems, including: Nitrogen, Oxygen, Argon, CO2, Hydrogen,
and Helium is a plus.
* Familiarity with rotating machinery.
* Ability to operate a forklift or be trained on forklift operation.

Physical Demands Work Environment * Work is performed at customer facility, inside and outdoors. * Noise levels fluctuate from moderate to high. * Exposure to fumes or airborne particles * While performing job duties, the employee must wear appropriate personal safety protection equipment which may include, but not limited to: steel toe shoes, safety glasses, face shield, ear protection, work gloves, and protective clothing. * Job duties may require equipment rigging, lifting of bulky and heavy items weighing up to 75-pounds, and use of ladders.

Travel Requirements
50%-75% Extensive domestic travel will be required

Nippon Sanso MATHESON is an Equal Opportunity Employer that complies with the laws and regulations set forth under EEOC. Qualified applicants will receive consideration for employment without regard to their race, color, Religion, national origin, sex, protected veteran status, or disability. EOE AA M/F/VET/Disability

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