Water Treatment Technician Jobs in Illinois
Water Treatment Technician jobs in Illinois are concentrated in municipal water systems, wastewater treatment facilities, and industrial process operations, with demand steady from entry-level operators through senior plant supervisors. The busiest hiring markets are Chicago, Rockford, and Peoria, where large public utilities and industrial employers like the Metropolitan Water Reclamation District of Greater Chicago, Illinois American Water, and Veolia North America maintain ongoing staffing needs. The most in-demand specialties are wastewater treatment operations, drinking water system compliance, and industrial process water management. Find a role that fits below and apply directly.
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If you enjoy solving mechanical problems, working directly with customers, and building a career where your earnings can grow with your experience, we'd like to hear from you.
What's in It for You?
- Top performers can earn $80K–$120K annually, including qualified commissions.
- Company vehicle provided, with the option to take it home.
- Local service territory, typically within 25 miles.
- Paid training. Previous water treatment experience is not required.
- Consistent service work with opportunities to increase your earnings through performance.
- Medical, dental, and vision insurance.
- 401(k) with company match.
- Career advancement opportunities within a growing industry.
Why You'll Love It Here
- Ongoing training to help you expand your technical skills.
- Supportive team environment focused on professional growth.
- Opportunity to increase your earnings without relying on high-pressure sales.
- Local routes that help support work-life balance.
- Meaningful work helping families and businesses improve their water quality.
Your New Role
- Install, maintain, and repair residential water treatment systems.
- Diagnose equipment issues and complete repairs at customer locations.
- Educate customers on system operation, maintenance, and water quality.
- Recommend products or system upgrades when they meet customer needs.
- Deliver professional, reliable customer service during every visit.
- This position is based in the Naperville service area. New technicians are required to report to the Barrington office daily during onboarding and training until they are approved to begin most workdays from home.
Hiring Expectations: Apply today, complete a quick phone screening, and get ready for an interview with our team to discuss your goals and experience.
Job requirements
- Mechanical aptitude and confidence using hand and power tools.
- Experience with plumbing, water systems, appliance repair, HVAC, automotive repair, electromechanical service, or another related mechanical field is preferred.
- Strong communication and customer service skills.
- Sales experience is preferred.
- Valid driver's license.
- Ability to work independently while managing a local service route.
- Authorization to work in the United States.
Angel Water, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment regardless of race, color, religion, gender, gender identity, sexual orientation, national origin, genetics, disability, age, or veteran status.
Pay: $55,000.00 - $120,000.00 per year
Benefits:
- 401(k) matching
- Dental insurance
- Health insurance
- Professional development assistance
- Vision insurance
People with a criminal record are encouraged to apply
Work Location: In person
See All 9 Water Treatment Technician Jobs in Illinois
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Find JobsWater Treatment Technician Jobs by City in Illinois
Where Illinois roles are concentrated, by current openings.
Water Treatment Technician Job Market in Illinois
A snapshot from current Illinois openings, updated as new roles post.
Who's Hiring



Top Industries Hiring
- Chemicals & Materials
What Illinois Employers Look For
The qualifications that appear most often in water treatment technician jobs across Illinois.
- Active Illinois EPA Waterworks Operator or Wastewater Operator certification at any grade
- Experience operating treatment plant equipment including pumps, blowers, and chemical feed systems
- Ability to collect, test, and record water quality samples per regulatory standards
- High school diploma or equivalent with preference for an associate degree in environmental science or water technology
- Familiarity with SCADA systems and computerized monitoring platforms used in plant operations
- Valid Illinois driver's license and ability to respond to off-hours emergencies or rotating shift schedules
Water Treatment Technician Jobs in Illinois: Frequently Asked Questions
How do you become a water treatment technician in Illinois?
Illinois requires operators to hold a certification issued by the Illinois Environmental Protection Agency, which administers separate licensing tracks for drinking water and wastewater operations. Most employers expect at least a Grade 1 or Grade 2 certificate, earned by passing an Illinois EPA exam after meeting education or experience prerequisites. A high school diploma plus on-the-job hours is the minimum path, though an associate degree in water technology or environmental science strengthens an application and can satisfy exam prerequisites faster.
Which companies hire water treatment technicians in Illinois?
Employers hiring water treatment technicians in Illinois right now include ChemTreat, Garratt-Callahan, and Veolia, based on current listings on Migrate Mate as of September 2026. The largest share of postings comes from municipal utilities and public water districts, with private operators like Illinois American Water and Veolia North America consistently among the most active statewide.
Which Illinois cities have the most water treatment technician jobs?
The cities with the most water treatment technician openings in Illinois are Chicago, Bloomington, and Illinois. Chicago leads because the Metropolitan Water Reclamation District of Greater Chicago is one of the largest wastewater agencies in the country, and Rockford and Peoria reflect the concentration of mid-size municipal utilities and industrial manufacturers that operate their own water treatment processes in those metro corridors.
Are there remote water treatment technician jobs in Illinois?
Yes, but they're rare. Water treatment is fundamentally hands-on plant work, so most positions require on-site operation of equipment and direct sampling. About 67% of water treatment technician openings tied to Illinois are remote or hybrid as of September 2026, and those tend to be quality assurance analyst, regulatory compliance, or data reporting roles rather than frontline operator positions.
How can I get hired as a water treatment technician in Illinois with little or no experience?
The most realistic entry path is applying for a plant operator trainee or utility worker position at a municipal water or wastewater district, where Illinois EPA rules allow uncertified candidates to work under a licensed operator while accumulating the hours needed to sit for the Grade 1 exam. The Metropolitan Water Reclamation District of Greater Chicago and mid-size city utilities in Rockford, Peoria, and Springfield run ongoing hiring for these trainee roles. Moving laterally from a laboratory technician, industrial maintenance, or environmental compliance background also helps, and enrolling in a water technology program at Illinois community colleges like Joliet Junior College can give a candidate a clear edge when competing against other entry-level applicants.
Where can I find and apply to water treatment technician jobs in Illinois?
You can find and apply to water treatment technician jobs in Illinois on Migrate Mate, which lists current Illinois openings from municipal utilities, private operators, and industrial employers across the state. Find roles that fit your certification level and location, and apply directly to the employers posting them.
See All 9 Water Treatment Technician Jobs in Illinois
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