top of page

Job Description – Field Service Technician

We are currently seeking a Field Service Technician for our Chicago, IL area market to perform all service work on our high purity water systems, including deionization processes, RO processes, filtration, etc. This includes installations, maintenance repairs, and preventative maintenance. The Field Service Technician also acts as the face of Calco, providing a positive customer service experience during site visits. The Field Service Technician will operate a company vehicle. We provide a hands-on training process upon hire.


Essential Functions

  • Responsible for installation/troubleshooting of water softener and reverse osmosis systems

  • Routinely service calls for filter changes, UV bulbs exchanges, and clear water lines

  • Visually inspect for leaks and malfunctions

  • Perform service agreement tasks and other job-related duties as assigned

  • Responsible for following company and customer safety policies and procedures

  • Maintain and comply with company vehicle maintenance policy and procedures

  • Technician will have strong technical and mechanical aptitude

  • Technician will have familiarity with basic tools and maintain ability to transport both equipment and tools to customer sites


  • Experience in repair and maintenance, water softener/reverse osmosis preferred

  • Basic electrical knowledge preferred

  • Must have good verbal and written skills

  • Ability to learn the internal workings and repair approaches to deionization systems

  • Ability to work in a fast pace environment where quantity and quality go hand in hand

  • Physical requirements include ability to bend, squat, walk with heavy equipment, climb ladders, and lift 70+ pounds

  • Valid driver’s license

  • Must be at least 21 years old


  • Health Insurance

  • Dental Insurance

  • Life Insurance

  • 401(k)

  • Paid Time Off

  • Year End Bonuses

Send resumes to with the subject line "Careers".

Calco - Field Service Technician
bottom of page