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Maintenance Technician

Airgas · Minooka, IL · $32.00–$36.00 an hour · Full time

Posted Aug 14, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time you found the root cause of a repeat equipment failure.

What they are checking: Whether they solve underlying problems instead of making the same repair repeatedly.

Tell me about a time you suggested a change that made equipment run better or safer.

What they are checking: Whether they contribute to optimizing plant assets, which the posting mentions.

What would you do

A critical pump fails at 2 a.m. and the plant is losing production. What are your first steps?

What they are checking: Whether they stay calm, work safely and restore production methodically under pressure.

An operator reports a strange noise on a compressor but it's still running fine. What do you do?

What they are checking: Whether they take early warning signs seriously before they become failures.

About the work

This position supports an air separation unit plant. What experience do you have with compressors, pumps or other rotating equipment?

What they are checking: Whether their skills fit the heavy process equipment that runs an ASU.

How do you approach preventive maintenance so it actually prevents failures and isn't just a checklist?

What they are checking: Whether they understand PM as reliability work and pay attention to trends.

Walk me through your lockout/tagout process before working on a motor or pump.

What they are checking: Discipline with energy isolation, a top safety risk in plant maintenance.

How comfortable are you with electrical troubleshooting, motors and controls?

What they are checking: Breadth of skills, since the role covers both skilled and semi-skilled duties across the plant.

What hazards are unique to a plant that produces cryogenic liquid oxygen, nitrogen and argon?

What they are checking: Awareness of oxygen enrichment, oxygen deficiency and extreme cold in an ASU environment.

How do you record work in a maintenance system so the history is useful later?

What they are checking: Whether they keep records that support reliability analysis and planning.

Practice this interview out loud.

Offer builds a real interview for this exact role at Airgas from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

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The full job description

As published by Airgas.

R10096602 Maintenance Technician (Open) Location: Minooka, IL (AMG) - ASU How will you CONTRIBUTE and GROW? We are committed to building a diverse and inclusive workplace that embraces the unique perspectives of our employees, our customers, patients, community stakeholders, and cultures across the world. We believe that a variety of backgrounds makes our team stronger and more innovative. At Airgas, we RESPECT , HONOR and VALUE diversity. Airgas is Hiring for a Maintenance Technician in Minooka, IL ! We are looking for you ! • Pay: $32.00 - $36 per hour • Comprehensive Family Benefits: Airgas offers a full benefits package designed to support your whole life, including Medical, Dental, Vision, Life, AD&D, and Disability Insurance. • Support for Parents: We offer up to 14-week paid child birth benefits to support growing families. • Future Security: 401(k) Retirement Plan with company match, Tuition Assistance, Paid Holidays, Vacation, and Sick time. • Early Access: Your benefits start after just 30 days of employment The Maintenance Technician is a key contributor in supporting a variety of skilled and semi-skilled duties to care for, optimize, and repair equipment, machinery, and facilities at Airgas USA, LLC. This role helps foster the safe and efficient operation of plant assets. Responsibilities • Support and care for preventative maintenance on production equipment, including motors, pumps, compressors, valves, and electrical systems. • Investigate, understand, and resolve mechanical, electrical, pneumatic, and hydraulic operational opportunities on various industrial machinery. • Help restore and update defective parts, components, and systems. • Apply technical tools, power equipment, and precision measuring instruments to maintain system health. • Read, interpret, and learn from blueprints, schematics, and technical manuals. • Partner with the team on the installation and commissioning of new equipment. • Document maintenance activities, repairs, and parts used in a computerized maintenance management system (CMMS) to support shared team knowledge. • Foster and champion a culture of safety, following company policies and environmental standards. • Share in on-call coverage and support the team during emergency breakdowns as needed. • Contribute to maintaining a safe, clean, and organized work environment. • Partner closely with production teams to minimize downtime, build alignment, and optimize overall equipment performance. ________________________ Are you a MATCH? Required Qualifications • High School Diploma or GED • 2+ years of experience in industrial maintenance or a similar role • Proficiency in troubleshooting and repairing mechanical, electrical (up to 480V), pneumatic, and hydraulic systems. • Ability to read and understand electrical schematics, P&IDs, and mechanical drawings. • Strong problem-solving and analytical skills. • Excellent communication and teamwork abilities. • Ability to lift and move heavy objects (up to 50 lbs) and work in various physical positions. • Must be able to work independently and as part of a team. • Valid driver's license and reliable transportation. Preferred Qualifications • Associate's degree or technical certification in Industrial Maintenance, Electro-Mechanical Technology, or a related field • Experience in a manufacturing or industrial gas environment. • Experience with PLCs and motor controls • Basic welding and fabrication skills ________________________ Benefits We care about and support our Airgas Families. This is evident not only through our competitive compensation but also through a comprehensive benefits package that includes medical, dental, and vision plans, short-term and long-term disability, life and accidental death and dismemberment (AD&D) insurance, Employee Assistance Program (EAP), pre-tax commuter transportation benefit, parental leave, vacation, sick time, floating holidays, jury duty and funeral/bereavement leave, and paid holidays for all eligible full-time employees. Additionally, we offer our eligible employees a 401k plan with company matching funds, tuition reimbursement, discounted college tuition for eligible employees’ dependents, and an Airgas Scholarship Program for dependent children. Associates who are members of collective bargaining units should review their bargaining agreement to determine whether they are eligible for some or all of the benefits described here and to see any special terms or conditions for eligibility. _________________________ Your DIFFERENCES enhance our PERFORMANCE At Airgas, we are committed to building a workplace that embraces the diversity of our employees, our customers, patients, community stakeholders and cultures across the world. We welcome and consider applications from all qualified applicants, regardless of their race, gender, sexual orientation, religion, disability or any other protected characteristic. We strongly believe a diverse organization opens up opportunities for people to express their talent, both individually and collectively and it helps foster our ability to innovate by living our fundamentals, acting for our success and creating an engaging environment in a changing world. _________________________ About Airgas Airgas, an Air Liquide company, is a leading U.S. supplier of industrial, medical and specialty gases, as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading U.S. supplier of ammonia products and process chemicals. Through the passion and diversity of its 18,000 associates, Airgas fosters a culture of safety, customer success, sustainability and innovation. Airgas associates are empowered to share ideas, take initiative and make decisions. Airgas is a subsidiary of Air Liquide, a world leader in gases, technologies and services for industry and healthcare. Present in 60 countries with approximately 66,500 employees, Air Liquide serves more than 4 million customers and patients. Join us for a stimulating experience: At Airgas, you matter and so does the work you do. As a member of our team, you play an important role in the success of your team, making sure our products are created sustainably and delivered safely and efficiently. In turn, you’ll find a welcoming workplace where you’re valued for who you are and where you can fill your potential while growing a fulfilling career — whatever path you choose. _________________________ Equal Employment Opportunity Information We are an equal opportunity employer. We welcome all qualified applicants regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic. Airgas, an Air Liquide Company is a Government contractor subject to the Vietnam Era Veterans’ Readjustment Assistance Act of 1974 and Section 503 of the Rehabilitation Act of 1973. Airgas does not discriminate against qualified applicants with disabilities, and is committed to providing reasonable accommodations to the known disabilities of such individuals so as to ensure equal access to benefits and privileges of employment. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact us by email at us-accommodationrequest@airgas.com. _________________________ California Privacy Notice

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