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Full Time Water Sampling Jobs in California (NOW HIRING)

Onterris

Water Treatment System Operator

Corona, CA · On-site

$25/hr

We are looking for a full-time Water Treatment System Operator , who will work directly on ... Collect water samples and coordinate laboratory analysis. * Self-perform periodic maintenance ...

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Water Quality Technician

Gilroy, CA · On-site

$23 - $26/hr

Collect and test water samples, measuring pH, TDS, chlorine levels, and other quality indicators ... Below, you can find our extensive benefits package offered to all full-time employees. * Medical

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Water Quality Technician

San Jose, CA · On-site

$23 - $26/hr

Collect and test water samples, measuring pH, TDS, chlorine levels, and other quality indicators ... Below, you can find our extensive benefits package offered to all full-time employees. * Medical

City of Tulare, CA

Water Treatment Operator I-II

Tulare, CA · On-site

$63K - $85K/yr

Public Works Department - 3981 South 'K' Street, Tulare, CA Job Type: Full-Time Job Number: 2026-29 ... Collect field water samples, perform chlorine content testing, and safely operate chlorination and ...

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All JobsWater Sampling JobsFull Time Water Sampling JobsFull Time Water Sampling Jobs in California

Full Time Water Sampling information

What is a full time water sampling job?

Full time water sampling jobs involve collecting water samples from various sources such as rivers, lakes, reservoirs, or treatment plants to test for contaminants, chemical balances, and other quality indicators. Professionals in this role follow strict protocols to ensure accurate and uncontaminated samples and may also perform on-site measurements like pH, temperature, or turbidity. The data gathered helps inform water quality management, regulatory compliance, and environmental protection efforts. These positions often require travel to different field locations and a strong understanding of scientific sampling methods.

What are the key skills and qualifications needed to thrive as a full time water sampling technician?

To thrive as a Full Time Water Sampling Technician, you need knowledge of environmental science, sampling protocols, and a high school diploma or relevant technical certification. Familiarity with field testing equipment, GPS devices, and data entry software is typically required. Attention to detail, time management, and effective communication help ensure accurate data collection and reporting. These skills are crucial for maintaining regulatory compliance and ensuring the safety and quality of water sources.

What are some common challenges faced in a full time water sampling role, and how can they be managed?

Full-time water sampling professionals often work outdoors and may encounter challenging weather conditions, difficult terrain, or remote locations. Managing these challenges requires proper safety training, the use of appropriate personal protective equipment (PPE), and careful planning to ensure all necessary sampling tools and documentation are on hand. Additionally, maintaining strict adherence to sampling protocols is crucial to ensure data accuracy and regulatory compliance. Team collaboration is important, as samplers often coordinate with lab technicians and environmental scientists to transport and analyze samples efficiently.

What is the difference between Full Time Water Sampling vs Part Time Water Sampling?

AspectFull Time Water SamplingPart Time Water Sampling
Work HoursTypically 40 hours/week, full scheduleFewer hours, flexible schedule
CertificationsOften requires certifications like EPA or state-specific water sampling licensesMay require similar certifications but less frequently
Work EnvironmentFieldwork at water sites, laboratories, or officesSimilar environments but with less time commitment
Job ResponsibilitiesRegular sampling, data collection, reportingSampling and data collection on a part-time basis

Full Time Water Sampling involves a standard 40-hour workweek with consistent responsibilities, certifications, and work environments. Part Time Water Sampling offers more flexible hours with similar duties but fewer hours per week, making it suitable for those seeking part-time engagement in water quality testing and monitoring.

What are the most commonly searched types of Water Sampling jobs in California?

The most popular types of Water Sampling jobs in California are:

What cities in California are hiring for Full Time Water Sampling jobs?

Cities in California with the most Full Time Water Sampling job openings:

Full Time Water Sampling jobs near you
Infographic showing various Full Time Water Sampling job openings in California as of September 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Water Treatment System Operator

Corona, CA • On-site

Montrose Environmental Group, Inc.
Environmental Consulting Services • 1 - 5K employees
Learn more about Montrose Environmental Group, Inc.external

$25/hr

Full-time

Re-posted 19 days ago

Key responsibilities

  • Coordinate operation, maintenance, and repair of water treatment equipment and associated well field and support equipment.

  • Operate and control motors, pumps, and valves for vapor and water treatment systems, and collect water samples for laboratory analysis.

  • Troubleshoot mechanical and electrical process equipment and manage daily operations logs, inventory, site consumables, and vendor service contracts.

Montrose Environmental Group rating

6.7

Company rating: 6.7 out of 10

Based on 12 frontline employees who took The Breakroom Quiz

Job description

About Us
At Onterris, we build careers grounded in purpose, responsibility and real-world impact.
"For Planet and Progress" is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected, interwoven and international. Our scientists, engineers, field teams, consultants and professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.
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.
Together, we will advance our way of life and protect the integrity of our environment every step of the way.
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 Corona, 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.
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 with a clean motor vehicle record
  • Must have a reliable form of transportation to travel to job sites

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. For more information, visit www.onterris.com.
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. For US residents, click here to learn more.

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