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Water Treatment Designer Jobs (NOW HIRING)

Onterris

Water Treatment System Operator

Valencia, CA · On-site

$25/hr

We are looking for a full-time Water Treatment System Operator, who will work directly on treatment plants designed to treat contaminated groundwater and vapor. This role will be based at our client ...

Onterris

Water Treatment System Operator

Valencia, CA · On-site

$25/hr

We are looking for a full-time Water Treatment System Operator, who will work directly on treatment plants designed to treat contaminated groundwater and vapor. This role will be based at our client ...

Rizon

Water Treatment Subject Matter Expert

Spring, TX · On-site

We are seeking a highly skilled and experienced Water Treatment Subject Matter Expert (SME) to join ... Please note this is not designed to cover or contain a comprehensive listing of activities, duties ...

City of Aurora

$47.01/hr

OVERVIEW OFJOB The Water Treatment Plan Operator A performs senior level"A"certification duties in ... Perform other related duties as assigned This is not designed to cover orcontaina comprehensive ...

City of Aurora

Water Treatment Operator A

Griswold, IA

$47.01/hr

OVERVIEW OFJOB The Water Treatment Plan Operator A performs senior level"A"certification duties in ... Perform other related duties as assigned This is not designed to cover orcontaina comprehensive ...

Water Technologies

Driver - Water Treatment

Norfolk, VA · On-site

Specializing in water, energy, and waste management, Veolia Group designs and implements innovative ... The Driver delivers trailers customized with mobile water treatment equipment to customer sites ...

Freese Nichols

Water Treatment Lead

Corpus Christi, TX · On-site

$99K - $130K/yr

Mentor engineers and designers and contribute to the technical development of staff across multiple ... Experience with advanced water treatment technologies such as membrane filtration, reverse osmosis ...

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Water Treatment Designer information

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How much do water treatment designer jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for water treatment designer in the United States is $24.54, according to ZipRecruiter salary data. Most workers in this role earn between $19.71 and $28.12 per hour, depending on experience, location, and employer.

What cities are hiring for Water Treatment Designer jobs?

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Infographic showing various Water Treatment Designer job openings in the United States as of August 2026, with employment types broken down into 4% As Needed, 74% Full Time, 18% Part Time, and 4% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $51,043 per year, or $24.5 per hour.

Water Treatment System Operator

Valencia, CA • On-site

Onterris
See more jobs at Onterrisexternal

$25/hr

Full-time, Other

This job post has expired today. Applications are no longer accepted.

Job description

Water Treatment System Operator

At Onterris, we build careers grounded in purpose, responsibility and real-world impact. When you join us, you're not just forging a career, you're joining a movement. A movement for better thinking, smarter solutions and lasting impact.

We are looking for a full-time Water Treatment System Operator, who will work directly on treatment plants designed to treat contaminated groundwater and vapor. This role will be based at our client site in Santa Clarita, CA. This is a full-time position with hours averaging 60 hours per week, with occasional additional hours as needed. The compensation for this role is $25/hour, commensurate with experience, skills, and geographic location.

A Day in the Life

As a key member of the team, this role will be responsible for a full range of activities including:

  • Coordinate operation, maintenance, and repair of water treatment equipment and associated well field and support equipment.
  • Perform and direct activities to ensure that codes, standards, and water treatment objectives are met while being environmentally conscious.
  • Operate and control motors, pumps, and valves for vapor and water treatment systems.
  • Collect water samples and coordinate laboratory analysis.
  • Self-perform periodic maintenance activities and manage subcontractors for specialized equipment service.
  • Troubleshoot mechanical and electrical process equipment for initial diagnoses.
  • Be an integral part of our safety culture, approaching all aspects of work with a safety-first attitude.
  • Maintain effective communication with project team members.
  • Plan and schedule work to meet required timelines.
  • Manage and maintain daily operations logs, inventory, site consumables and vendor service contracts
  • Available for occasional off-hour remote monitoring and call-ins to troubleshoot treatment system performance in the event of equipment failure or unforeseen shutdowns (including weekends).
  • Available for a day/night shift rotation.

Your Expertise and Skills

To perform this job successfully, individuals must be able to perform each duty and responsibility satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the duties and responsibilities.

  • Working knowledge of low-pressure steam boilers, water treatment equipment, and control systems
  • Excellent problem-solving skills with critical thinking and mechanical/electrical systems
  • Time management skills
  • An ability to work autonomously as well as in a team
  • Must possess a valid driver's license
  • Must have a reliable form of transportation to travel to job sites and the office

Preferred Qualifications

  • 1-3 years of previous experience in a similar role preferred, but not required
  • OSHA 40-Hour Hazwoper

Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients' resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress.

We are an equal opportunity employer and encourage applications from people of all backgrounds. We acknowledge that these experiences and perspectives help to enrich our teams and contribute to our ongoing success. We are committed to providing access and reasonable accommodation in our employment for all applicants.

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