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Field Service Technician

Airgas · Kenosha, WI · Full time

Posted Sep 15, 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 had to fix something at a customer site with the customer watching.

What they are checking: Professional conduct and communication when working under customer scrutiny.

Tell me about a time you collaborated with another technician on a big install.

What they are checking: Teamwork on installations, which the posting describes as collaborative.

What would you do

You arrive at a hospital to service a bulk medical gas system. What do you do differently than at an industrial site?

What they are checking: Whether they understand that interrupting medical gas supply can affect patients and requires coordination.

A customer asks you to bypass a safety interlock so their production can keep running. What do you say?

What they are checking: Whether they refuse unsafe requests firmly while helping the customer find a safe option.

How do you plan your day when you have multiple sites and something urgent comes up?

What they are checking: Prioritization between scheduled maintenance and urgent customer calls in the field.

About the work

This role installs and cares for on-site nitrogen generation plants and bulk gas systems. What experience do you have with either?

What they are checking: Whether their background fits cryogenic and nitrogen generation equipment or how far they need to grow.

What hazards come with working on bulk cryogenic systems, and how do you protect yourself?

What they are checking: Awareness of extreme cold, pressure and oxygen-deficient atmospheres that can kill quickly.

Walk me through how you'd troubleshoot a nitrogen generator that isn't meeting purity spec.

What they are checking: Their diagnostic approach on process equipment where customers depend on specific gas quality.

The posting says work must follow federal, state and local codes. How do you stay current on the codes that apply to your work?

What they are checking: Whether they treat code compliance as part of the job and keep learning.

How do you document an install or service visit?

What they are checking: Record-keeping that supports compliance, warranty and the next technician's work.

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.

R10100799 Field Service Technician (Open) Location: Kenosha, WI - 68 Ave - Retail shop 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. Job Description Airgas is Hiring for a Field Service Technician in Kenosha, WI! We are looking for you ! • 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 ​ The (Cryogenic) Field Service Technician contributes to the success of installing and providing care for on-site nitrogen generation plants and bulk medical or industrial gas systems in a safe and operationally effective manner, aligned with all federal, state/provincial and local codes, and Airgas policies. • Collaborates on the installation and care of nitrogen on-site generation equipment. • Supports cryogenic bulk installations both at Airgas facilities and customer sites. • Restores and optimizes pressure reduction equipment associated with bulk delivery systems. • Evaluates and performs general improvements to electrical systems associated with N2 generation and cryogenic installations, including: motor controls and relays, low pressure, high pressure and liquid level alarm systems. • Coordinates the placement of decals and warning signs for the proper identification of hazards, warnings, ownership, normal operational settings, emergency contacts, etc. • Performs installation of piping systems in alignment with company SOP’s. • Conducts Site Surveys to foster compliance with all federal, state/provincial and local codes. • Fosters the security of fencing provided to protect installations from tampering or unauthorized entry. • Performs periodic preventative maintenance tasks on N2 generation equipment based on the PM schedule to ensure long-term reliability. • Performs annual evaluations of all bulk installation sites to support their condition and correct operation. • Champion of safety policies and procedures to ensure everyone returns home safely. • Maintains an appropriate stock of recommended parts necessary to support typical installations within the assigned customer base. • Supporting the team in other areas as needed. ________________________ Are you a MATCH? Required Qualifications • High school diploma or equivalent. • Must have, or be able to obtain, a Certified Brazer Certificate, within 30 days of employment. • Must have a valid driver’s license. • At least 21 years old Preferred Qualifications • HVAC or refrigeration certification or American Society Safety Engineers (ASSE) Medical Gas Credentials are a plus. • Minimum of two (2) years of industrial field service experience, preferably in gas generations systems. Prior electrical experience a plus. • Detailed understanding of National Fire Protection Association(NFPA) 99 and NFPA 55 requirements. • Understand the characteristics and hazards of cryogenic and high pressure gases in general, and have specific knowledge and understanding of the products, containers and piping systems which will be encountered in the performance of their job duties. • Hands on experience with cryogenic equipment, pressure piping, compressors, as well as, proven ability to troubleshoot system problems. • Working knowledge of welding, brazing processes (specifically silver brazing). • Ability to perform regulator repairs, repair piping/liquid leaks, etc.is a plus. • Able to respond to emergencies 24 hours per day. Arrangements for emergency coverage are made when a technician is unavailable for personal reasons or paid time off. • Ability to read blueprints and design specifications, manufacturer drawings, architectural drawings related to bulk delivery sites associated with customer installations. • Ability to read and interpret documents such as safety rules, material safety data sheets, operating and maintenance instructions, and procedure manuals. • Ability to perform mathematical calculations. • Basic working knowledge of Microsoft Office applications (Excel, Word, Power Point, Outlook E-mail). • Ability to work independently and under pressure to meet deadlines. • Demonstrates a clear and effective speaking manner for the purpose of explaining information to customers and employees. • Ability to set goals and manage time to ensure tasks are completed in a timely manner and achievement of goals are accomplished and manage and execute multiple tasks or priorities as necessary • Considerable independent judgment and initiative are required in resolving problems and making recommendations; demonstrating tact and diplomacy in dealing with internal and external customers; and handling proprietary information. • Possess self-motivation, enthusiasm, a positive attitude and perform as a team player. ________________________ 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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