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Generator Technician

Airgas · Chicago, IL · $27.00–$30.00 an hour · Full time

Posted Sep 29, 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 tough repair you figured out.

What they are checking: Whether they stay methodical and persistent on hard mechanical and electrical problems.

Tell me about a time you learned to repair something new on your own.

What they are checking: Whether they can teach themselves using manuals and experience.

What would you do

A generator comes back from rental with damage. What do you do?

What they are checking: Whether they document damage clearly so the branch can handle billing and repairs.

Several units need work and a big rental order is due tomorrow. How do you prioritize?

What they are checking: Whether they focus on what the branch needs most and communicate with the shop supervisor.

About the work

Walk me through how you'd diagnose a diesel generator that starts but won't produce power.

What they are checking: Whether they can troubleshoot both the engine and the electrical side of a generator.

What experience do you have with gas, propane and diesel engines?

What they are checking: Whether they can work across the fuel types the posting lists.

How do you get a rental generator ready to go out to a customer?

What they are checking: Whether they inspect, test and clean equipment so it works reliably in the field.

What electrical safety steps do you take when testing a generator?

What they are checking: Whether they work safely around high voltage and running engines.

How do you keep records of the work you do on each unit?

What they are checking: Whether they track maintenance so rental equipment history is clear.

What tools and diagnostic equipment are you comfortable using?

What they are checking: Whether they can use meters and diagnostic tools to find problems quickly.

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.

Practice this out loud

The full job description

As published by Airgas.

R10102059 Generator Technician (Open) Location: Chicago, IL (RDA) - Welding equipment rental 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 Generator Technician in Chicago, IL! We are looking for you! • Monday - Friday 7:30 am to 4:30 pm • Pay Range $27-$30 plus Bonus • Repair and Maintain Engine Driven Power Generators • Assembles electric, diesel, gas, and propane equipment for rental. • 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 a 14-week paid child birth benefit 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 Under the direction of the Branch Manager and in conjunction with the Shop Supervisor, the incumbent repairs, refurbishes, and maintains engine driven generators and ensures a safe working environment. • Maintains a safe working environment by following Airgas/Red-D-Arc’s health and safety guidelines. • Repairs, maintains, and refurbishes all Engine Driven Power Generators, with a secondary focus on engine driven welding equipment. • Assembles diesel power generator equipment for rental. Tests and calibrates machines to see if they are functional for rent or sale. • Performs paint touch ups and replaces worn and missing decals to maintain general appearance of welding equipment. on generators, and welders to maintain general appearance. • Replaces defective parts and completes preventative maintenance required. • Identifies proper parts and their numbers needed for repairs, orders parts as required to complete those repairs through parts or Branch Coordinator. • Inspects returned Generator equipment for proper operation and/or damage by the customer. • Operates a forklift, pallet jack or other necessary equipment load and upload equipment from vehicles and move equipment around the branch. • Ensures a clean and organized work environment at all times. • Properly documents all repairs and maintenance. • Required to service equipment and customers off-site. • Maintains communication with all branch personnel. • Maintaining generators, diagnosing and repairing problems, or installing and replacing components or entire systems. • Performs related duties as required. ________________________ Are you a MATCH? Required • High School Diploma required. • A Valid Driver License and good driving record Preferred Qualifications • Working knowledge of power generating and welding equipment, welding application and equipment, combustion engine, electrical equipment are an asset. • Diesel engine knowledge • PLC engine and generator controllers experience ________________________ 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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