Water Pretreatment Equipment Technician

Water Pretreatment Equipment Technician

HOH Water Technology is a leading, growing, third generation water treatment company celebrating 58 years of business! Our success is built on a commitment to excellence, innovation, and exceptional service to our customers. At HOH, we believe our people are the foundation of that success, and we look for individuals who align with our core values of Accountability, Creativity, Teamwork, and Service. We are passionate about Investing, Rewarding and Giving back for a lasting impact on our clients, coworkers and community.

We are seeking an experienced Water Pretreatment Equipment Technician who can 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. You will manage service calls, preventive maintenance, repairs, installations, and commissioning across an assigned territory. The right candidate can work independently, solve problems at the customer site, and clearly explain findings and recommended next steps.

Competitive Compensation: Hourly range of $34–$42 based on experience.

Comprehensive Benefits: Medical and dental insurance with generous employer contributions, annual HSA contributions, 401(k) with company matching, life insurance, and more.

Generous Time Off: 15 PTO days and 16 paid holidays, including extended holiday pay at the end of the year.

Profit Sharing Bonus: Company profit sharing bonus; the 2026 budget projection is approximately 3–4 weeks of additional pay.

Company-Provided Tools: Company vehicle, laptop, tools, PPE, and field equipment needed to perform the work.

Career Growth: Hands-on learning, employee development, continuing education reimbursement, and opportunities to mentor other technicians.

Engaging Culture: Caring leaders who invest in people, celebrate wins, give back, and create meaningful connections through team and company events.

You'll Be a Great Fit If...

You are an experienced technician. You have at least five years of hands-on experience servicing commercial or industrial water treatment equipment.

You are a strong troubleshooter. You can isolate electrical, mechanical, plumbing, process, and controls-related issues and determine practical solutions.

You work well independently. You can organize your schedule, prioritize multiple customer needs, and take ownership of your territory.

You are comfortable with customers. You communicate clearly, provide practical recommendations, and build trust through dependable service.

You care about safety and quality. You follow procedures, use required PPE, maintain accurate documentation, and take pride in doing the job right.

What You'll Be Doing

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.

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.

High school diploma or GED required; technical education or military service preferred.

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.

Physical & Work Environment Requirements

Must pass a Human Performance Evaluation (HPE), Motor Vehicle Report (MVR), and drug screening.

Ability to lift at least 75 pounds and perform physical work that may include climbing stairs or ladders, removing media, and installing equipment.

Ability to sit for extended periods while driving to customer sites.

Willingness to work in hot and cold temperatures and in environments involving chemicals, noise, and required PPE for the face, ears, and hands.

Overnight travel may be required.

Participate in a shared on-call rotation, approximately once every 6–8 weeks, with occasional evening or weekend work. HOH plans coverage across the team and values a healthy work-life balance.

What Success Looks Like

Customer equipment is serviced safely, correctly, and on schedule.

Problems are diagnosed accurately and practical solutions are clearly communicated.

Service reports are complete, detailed, and submitted promptly.

Customers and internal teams trust you to follow through and keep them informed.

You help strengthen the technical capabilities of the broader service team.

Why HOH?

At HOH, you will join a growing company that values skilled tradespeople and gives technicians the tools, trust, and support to do excellent work. If you are looking for a hands-on role where your technical experience and customer service make a direct impact, we would love to meet you.