Matheson Tri-Gas, Inc.

Apr 11, 2026
Full time
Matheson Tri-Gas, Inc. Remote (Decatur, IL)
Process Engineer We are seeking a dynamic and experienced Process Engineer to join our fast-paced engineering team. Safety is our number one goal. This requires that you demonstrate leadership in personal safety and enforce the safety first concept. This is a permanent position where the successful candidate will be responsible for overseeing the installation, operation, training and maintenance of LCO2 refinery equipment. The role requires a deep understanding of heat transfer, fluid flow and chemical exchange associated within the refinery process. Additionally, strong knowledge of liquid CO2 purification and NH3 refrigeration are key to success in this role. Essential Function 1. Prepare and review of various deliverables such as process flow diagrams, P&IDs, process data sheets, equipment specifications, AutoCAD drawings, cause and effect diagrams, standard operating procedures, preventative maintenance schedules, HAZOP, and maintenance manuals. 2. Analyze LCO2...
Apr 10, 2026
Full time
Matheson Tri-Gas, Inc. Irving, TX
JOB SUMMARY We are looking for an experienced Mechanical Engineer. Duties include: Project Support: Will support Project Managers and other engineers in project activitiesincluding, but not limited to the following. - Purchase of equipment, includingpreparation of bid packages, acquisition of quotations and bids, preparation ofpurchase order documents, tracking orders and processing the invoices. -Project accounting. - Assist in thepreparation and management of project schedules, Gantt charts, and departmentalcalendars. - Prepare Bill of Materials (BOM) for projects under direction ofproject managers. - Assist in the development of project cost estimates. Engineering Departmental Support: Will support activities and projects tomaintain efficient operation and continued improvement of the engineeringdepartment. These include, but notlimited to the following. - Evaluation of software packages for process,safety, document control or project management. - Document management for...
Mar 26, 2026
Full time
Matheson Tri-Gas, Inc. Decatur, IL
Junior Process Engineer Matheson is seeking a motivated Junior Process Engineer to join ourfast-paced engineering team in our CO2 and dry ice division. Safety is ournumber one goal. This requires that you embrace the safety first concept. Therole requires a good understanding of heat transfer, fluid flow and chemicalexchange associated with the refinery processes. This is an entry-levelposition where the successful candidate will be responsible for assisting in overseeingthe installation, operation, and maintenance of LCO2 refinery equipment. Additionalresponsibilities will be to monitor the manufacturing processes to ensureproduct quality and efficiency, analyze data to identify areas of improvementand implement changes to drive improvement. Essential Function 1. Assist with review of various deliverables such as process flow diagrams, P&IDs, process data sheets, equipment specifications, AutoCAD drawings, cause and effect diagrams, standard operating procedures,...
Mar 14, 2026
Full time
Matheson Tri-Gas, Inc. Irving, TX
Controls/Electrical Engineer JOB SUMMARY Matheson is seeking a controls electrical engineer tojoin our team and work on various projects involving medium voltage switchgear,substation equipment, and related electrical systems. In collaboration withother engineers, project managers, and stakeholders, you will be responsiblefor assisting in the design, procurement, testing, modification, andinstallation of substations and medium voltage systems equipment. Essential Functions Design, test, install, and maintain medium voltageswitchgear and substation equipment for industrial applications, such astransformers, breakers, relays, meters, and control panels. Use power system analysis software, AutoCAD, and simulationtools to conduct FEED studies and system modeling. Review and refine power system studies, such as load flow,short circuit, protection coordination, arc flash, and transient stability. Ensure compliance with industry standards such as IEEE,ANSI, NEMA, NEC, and...