Water Pretreatment Equipment Technician

HOH Water Technology•Palatine, IL

9d•$34 - $42•Onsite

About The Position

HOH Water Technology is seeking an experienced Water Pretreatment Equipment Technician to independently install, start up, service, troubleshoot, repair, and optimize commercial and industrial water treatment systems throughout the Greater Chicago area. This is a hands-on field role for a technician with strong pretreatment equipment experience. The technician will manage service calls, preventive maintenance, repairs, installations, and commissioning across an assigned territory. The ideal candidate can work independently, solve problems at the customer site, and clearly explain findings and recommended next steps.

Requirements

5+ years of experience servicing commercial or industrial water treatment equipment.
Hands-on experience with RO, DI, softeners, filters, UV, chemical feed systems, pumps, valves, sensors, controls, and instrumentation.
Experience supporting healthcare, laboratory, pharmaceutical, manufacturing, or industrial customers.
Strong mechanical and electrical aptitude with advanced troubleshooting and critical-thinking skills.
Ability to independently manage a service territory and prioritize multiple service calls.
Valid driver’s license and satisfactory Motor Vehicle Report (MVR).
Comfort using a laptop, tablet, Microsoft Word and Excel, calendars, and field-service software.
Legally authorized to work in the United States and at least 18 years old.

Nice To Haves

Technical education or military service preferred.

Responsibilities

Perform advanced troubleshooting and repair of commercial and industrial water treatment systems.
Install, start up, commission, validate, rebuild, and optimize pretreatment equipment.
Service reverse osmosis (RO), deionization (DI), water softeners, multimedia and carbon filters, UV disinfection, chemical feed systems, chlorine dioxide systems, high-purity water systems, and portable exchange tanks.
Diagnose issues involving PLC-controlled equipment, VFDs, pumps, valves, sensors, controls, instrumentation, electrical components, plumbing, and mechanical systems.
Perform membrane cleanings, RO performance evaluations, sanitization procedures, water-quality testing, and system optimization.
Read and interpret electrical schematics, P&IDs, plumbing diagrams, technical manuals, and equipment documentation.
Complete preventive maintenance, emergency repairs, service calls, installations, start-ups, and commissioning activities.
Create clear service reports documenting work completed, outstanding issues, recommendations, and next steps.
Communicate with customer contacts, Account Managers, Project Managers, and internal service teams.
Maintain tools, PPE, truck stock, field equipment, documentation, calendar, and vehicle cleanliness.
Mentor and support junior technicians on troubleshooting, service procedures, documentation, and customer communication.