Water Treatment Technician Jobs in Texas
Water Treatment Technician jobs in Texas are concentrated in Houston, San Antonio, and Dallas-Fort Worth, where rapid population growth and large municipal utility systems keep demand steady at every experience level from entry operator to plant supervisor. Major employers with a lasting Texas presence include the City of San Antonio's water utility SAWS, the City of Houston's Houston Public Works, and Veolia North America, which operates treatment facilities under contract across the state. The most in-demand specialties are distribution system operations, wastewater treatment, and water quality monitoring. Scan the live roles below and apply to whichever ones fit.
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Showing 5 of 44+ Water Treatment Technician jobs
Data Center Water Treatment Chemical Field Engineer—Amarillo, Texas
A Water Treatment Field Engineer will be based in Amarillo, Texas, and responsible for supporting data centers primarily in the Texas Panhandle. The Field Engineer will solve customer water treatment concerns, support field startup and operational activities, commission new assets, perform water treatment lab work, and troubleshoot water treatment and control equipment.
As a Field Engineer, you will receive an industry-competitive salary, expenses, and benefits. In addition, ample technical support and continuous training are provided. Compensation is based upon experience and the ability to succeed. $100,000 to $120,000 first year base for a qualified candidate. Plus a year-end bonus!
We hire with a focus that favors the committed employee both in terms of overall compensation and growth opportunities. We have designed our compensation package accordingly. Benefits include a corporate 401k, health, dental, vision, and life insurance.
Garratt-Callahan (www.garrattcallahan.com) is family-friendly, profitable, stable, and fiercely private. No layoffs in 100+ years. No ownership change in 100+ years. 75+ straight years of profitability. We have operations from Asia, to the Caribbean, and in every state in the USA.
Job Responsibilities:
Solve Data Center water problems focused on water use, energy efficiency, and environmental stewardship.
Support field startup, commissioning, deployment, and operational activities for Data Center liquid cooling systems.
Perform detailed water testing & analyses at a data center.
Help deliver on customer KPIs and promote Garratt-Callahan solutions including proprietary chemical blends, equipment, & monitoring technology.
Commission newly installed assets and control equipment.
Keep our existing customers happy and safe.
More Information about this Amarillo position:
Job Title: FIELD ENGINEER – LIQUID COOLING APPLICATIONS
Department: Chemistry Operations Group – Liquid Cooling Applications
Reports To: Director of Liquid Cooling Applications
Status: Exempt
SUMMARY
The Field Engineer – Liquid Cooling Applications supports the installation, deployment, commissioning, and operations of liquid cooling applications in the data space.
This role is field-oriented requiring technical proficiency and customer-facing interface. The Field Engineer must follow provided guidance, while executing and troubleshooting independently. The Field Engineer serves as an on-site technical representative of Garratt-Callahan during commissioning, deployment, startup, and operational activities. Precision in execution, documentation, and detail are critical.
The Field Engineer performs standard water treatment work applying expert-level understanding of chemical, design, and mechanical needs for unique liquid cooling applications. Routine sampling/testing and chemical application tasks are required. Developed expertise and decision-making are critical to the success of this role. The Field Engineer must operate independently and professionally and must communicate and document consistently.
The Field Engineer is a member of the Liquid Cooling Applications Team and contributes to Garratt-Callahan's development of a scalable, technically capable, and highly professional liquid cooling organization.
About Garratt-Callahan:
Garratt-Callahan is a US based private 100+ year old, nationwide water treatment chemical company. Garratt-Callahan www.garrattcallahan.com treats industrial boilers and cooling towers to keep them energy efficient and environmentally friendly with one of the most advanced product lines in the industry. We are registered to ISO 9001:2015 and sell an industry leading line of “green" solutions, G-C GreenTech. We are headquartered in Burlingame, California.
G-C is family owned, profitable, and expanding. We have five chemical plants in the USA, salespeople in every state, and operations in Asia, the Pacific, and the Caribbean.
Benefits:
We offer a competitive benefit package which includes medical, dental, vision, AD&D, LT, and 401k.
First year compensation $100,000 to $120,000 plus a bonus. Compensation is commensurate with experience.
Advanced training, and a clear career path.
Family friendly, flexible environment.
A huge benefit of working for Garratt-Callahan is our stability and low turnover.
No Layoffs in our 100+ year history.
G-C is a profitable company. The last year that G-C did not turn a profit was during World War 2.
To Apply, please log on to:
https://workforcenow.adp.com/mascsr/default/mdf/recruitment/recruitment.html?cid=16ed56fa-3af7-47fc-878a-c4d47df49e2f&ccId=19000101_000001&jobId=575282&source=CC2&lang=en_US
Thank you for considering Garratt-Callahan Company. Garratt-Callahan is an EEO/AAE employer. Minorities, women, veterans and individuals with disabilities are encouraged to apply.
NOTE: Garratt-Callahan does not sponsor work visas. No recruiters please.
Requirements:
You must have a 4-year technical degree in the sciences to qualify for this position, such as Chemistry, Chemical Engineering, Biology, Mechanical Engineering, Paper Science, or Water Resources.
Relevant field experience involving mechanical systems, HVAC, wet chemistry lab, industrial water treatment, commissioning, data centers, mission-critical infrastructure, liquid cooling, construction, or related technical applications may be considered in combination with education and demonstrated technical capability.
You must be able to travel 50-75% of the time, primarily in Texas.
A successful applicant must have experience or interest in learning advanced water treatment technologies. A successful applicant must be detail-oriented, adhere to safety protocols, and be able to lift 50 pounds wearing PPE in all weather conditions.
Additional Preferred Qualifications:
- Experience with data center liquid cooling systems, CDUs, water systems, mechanical systems, or mission-critical infrastructure
- Knowledge and proficiency with water/coolant sampling, field testing, water chemistry, chemical treatment, and system cleanliness
- Experience supporting commissioning, startup, system walkthroughs, inspections, readiness reviews, or turnover activities
- Strong critical-thinking and problem-solving skills with the ability to evaluate multiple field conditions collectively
- Ability to communicate technical observations objectively and professionally with all stakeholders
- Demonstrated technical curiosity, ownership, integrity, accountability, and willingness to continually learn as liquid cooling technologies evolve
If you have a disability, and need assistance during the application and selection process as a result, please contact the Garratt-Callahan Human Resources department at 650.697.5811. Arrangements can be made to provide an accommodation in order to assist you in applying for an open position using our on-line system, completing any other related paperwork, interviewing, or any other portion of the employment process. This phone number is only for disability assistance.
When requesting an accommodation, please provide your name, phone, email address, or any other means of contacting you. Provide a brief description of the nature of the requested accommodation. A member of the Human Resources team will then contact you to discuss your request. A request for an accommodation will not affect your opportunities for employment with Garratt-Callahan.
Garratt-Callahan values differing experiences, backgrounds and perspectives among our employees, and see them as a competitive advantage. Garratt-Callahan is committed to the fair and equal treatment of all associates and applicants.
Garratt-Callahan is an equal opportunity employer that evaluates qualified applicants without regard to race, color, national origin, religion, sex, age, marital status, disability, veteran status, sexual orientation, gender identity, or any other characteristic protected by law.
The “Equal Employment Opportunity is the Law” poster is available at:
http://www.dol.gov/ofccp/regs/compliance/posters/pdf/eeopost.pdfGarratt-Callahan Company’s reaffirmation of Equal Employment/Affirmative Action Statement
http://www.g-c.com/documents/human_resources/EEO_Letter_Jeff_Garratt.pdf
Key Words: Chemistry, chemicals, scientific, science, salesperson, salesman, saleswoman, outside sales, technical sales, account representative, account executive, territory sales, territory manager, district sales, district manager, field engineer, field service, AE, sales engineer, data center, chemical engineer, chemist, mechanical engineer, biologist, biology, microbiology, nalco, ecolab, us water, veolia, Suez, ge water, chemtreat, drew industrial, solenis, chem-aqua, kurita, evoqua, fremont, water treatment, boilers, cooling towers, waste water, pumps, equipment, chillers, polymers, biocides, data center, Amarillo, Lubbock, Tx., Texas Panhandle..
Data Center Water Treatment Chemical Field Engineer—Amarillo, Texas
A Water Treatment Field Engineer will be based in Amarillo, Texas, and responsible for supporting data centers primarily in the Texas Panhandle. The Field Engineer will solve customer water treatment concerns, support field startup and operational activities, commission new assets, perform water treatment lab work, and troubleshoot water treatment and control equipment.
As a Field Engineer, you will receive an industry-competitive salary, expenses, and benefits. In addition, ample technical support and continuous training are provided. Compensation is based upon experience and the ability to succeed. $100,000 to $120,000 first year base for a qualified candidate. Plus a year-end bonus!
We hire with a focus that favors the committed employee both in terms of overall compensation and growth opportunities. We have designed our compensation package accordingly. Benefits include a corporate 401k, health, dental, vision, and life insurance.
Garratt-Callahan (www.garrattcallahan.com) is family-friendly, profitable, stable, and fiercely private. No layoffs in 100+ years. No ownership change in 100+ years. 75+ straight years of profitability. We have operations from Asia, to the Caribbean, and in every state in the USA.
Job Responsibilities:
Solve Data Center water problems focused on water use, energy efficiency, and environmental stewardship.
Support field startup, commissioning, deployment, and operational activities for Data Center liquid cooling systems.
Perform detailed water testing & analyses at a data center.
Help deliver on customer KPIs and promote Garratt-Callahan solutions including proprietary chemical blends, equipment, & monitoring technology.
Commission newly installed assets and control equipment.
Keep our existing customers happy and safe.
More Information about this Amarillo position:
Job Title: FIELD ENGINEER – LIQUID COOLING APPLICATIONS
Department: Chemistry Operations Group – Liquid Cooling Applications
Reports To: Director of Liquid Cooling Applications
Status: Exempt
SUMMARY
The Field Engineer – Liquid Cooling Applications supports the installation, deployment, commissioning, and operations of liquid cooling applications in the data space.
This role is field-oriented requiring technical proficiency and customer-facing interface. The Field Engineer must follow provided guidance, while executing and troubleshooting independently. The Field Engineer serves as an on-site technical representative of Garratt-Callahan during commissioning, deployment, startup, and operational activities. Precision in execution, documentation, and detail are critical.
The Field Engineer performs standard water treatment work applying expert-level understanding of chemical, design, and mechanical needs for unique liquid cooling applications. Routine sampling/testing and chemical application tasks are required. Developed expertise and decision-making are critical to the success of this role. The Field Engineer must operate independently and professionally and must communicate and document consistently.
The Field Engineer is a member of the Liquid Cooling Applications Team and contributes to Garratt-Callahan's development of a scalable, technically capable, and highly professional liquid cooling organization.
About Garratt-Callahan:
Garratt-Callahan is a US based private 100+ year old, nationwide water treatment chemical company. Garratt-Callahan www.garrattcallahan.com treats industrial boilers and cooling towers to keep them energy efficient and environmentally friendly with one of the most advanced product lines in the industry. We are registered to ISO 9001:2015 and sell an industry leading line of “green" solutions, G-C GreenTech. We are headquartered in Burlingame, California.
G-C is family owned, profitable, and expanding. We have five chemical plants in the USA, salespeople in every state, and operations in Asia, the Pacific, and the Caribbean.
Benefits:
We offer a competitive benefit package which includes medical, dental, vision, AD&D, LT, and 401k.
First year compensation $100,000 to $120,000 plus a bonus. Compensation is commensurate with experience.
Advanced training, and a clear career path.
Family friendly, flexible environment.
A huge benefit of working for Garratt-Callahan is our stability and low turnover.
No Layoffs in our 100+ year history.
G-C is a profitable company. The last year that G-C did not turn a profit was during World War 2.
To Apply, please log on to:
https://workforcenow.adp.com/mascsr/default/mdf/recruitment/recruitment.html?cid=16ed56fa-3af7-47fc-878a-c4d47df49e2f&ccId=19000101_000001&jobId=575282&source=CC2&lang=en_US
Thank you for considering Garratt-Callahan Company. Garratt-Callahan is an EEO/AAE employer. Minorities, women, veterans and individuals with disabilities are encouraged to apply.
NOTE: Garratt-Callahan does not sponsor work visas. No recruiters please.
Requirements:
You must have a 4-year technical degree in the sciences to qualify for this position, such as Chemistry, Chemical Engineering, Biology, Mechanical Engineering, Paper Science, or Water Resources.
Relevant field experience involving mechanical systems, HVAC, wet chemistry lab, industrial water treatment, commissioning, data centers, mission-critical infrastructure, liquid cooling, construction, or related technical applications may be considered in combination with education and demonstrated technical capability.
You must be able to travel 50-75% of the time, primarily in Texas.
A successful applicant must have experience or interest in learning advanced water treatment technologies. A successful applicant must be detail-oriented, adhere to safety protocols, and be able to lift 50 pounds wearing PPE in all weather conditions.
Additional Preferred Qualifications:
- Experience with data center liquid cooling systems, CDUs, water systems, mechanical systems, or mission-critical infrastructure
- Knowledge and proficiency with water/coolant sampling, field testing, water chemistry, chemical treatment, and system cleanliness
- Experience supporting commissioning, startup, system walkthroughs, inspections, readiness reviews, or turnover activities
- Strong critical-thinking and problem-solving skills with the ability to evaluate multiple field conditions collectively
- Ability to communicate technical observations objectively and professionally with all stakeholders
- Demonstrated technical curiosity, ownership, integrity, accountability, and willingness to continually learn as liquid cooling technologies evolve
If you have a disability, and need assistance during the application and selection process as a result, please contact the Garratt-Callahan Human Resources department at 650.697.5811. Arrangements can be made to provide an accommodation in order to assist you in applying for an open position using our on-line system, completing any other related paperwork, interviewing, or any other portion of the employment process. This phone number is only for disability assistance.
When requesting an accommodation, please provide your name, phone, email address, or any other means of contacting you. Provide a brief description of the nature of the requested accommodation. A member of the Human Resources team will then contact you to discuss your request. A request for an accommodation will not affect your opportunities for employment with Garratt-Callahan.
Garratt-Callahan values differing experiences, backgrounds and perspectives among our employees, and see them as a competitive advantage. Garratt-Callahan is committed to the fair and equal treatment of all associates and applicants.
Garratt-Callahan is an equal opportunity employer that evaluates qualified applicants without regard to race, color, national origin, religion, sex, age, marital status, disability, veteran status, sexual orientation, gender identity, or any other characteristic protected by law.
The “Equal Employment Opportunity is the Law” poster is available at:
http://www.dol.gov/ofccp/regs/compliance/posters/pdf/eeopost.pdfGarratt-Callahan Company’s reaffirmation of Equal Employment/Affirmative Action Statement
http://www.g-c.com/documents/human_resources/EEO_Letter_Jeff_Garratt.pdf
Key Words: Chemistry, chemicals, scientific, science, salesperson, salesman, saleswoman, outside sales, technical sales, account representative, account executive, territory sales, territory manager, district sales, district manager, field engineer, field service, AE, sales engineer, data center, chemical engineer, chemist, mechanical engineer, biologist, biology, microbiology, nalco, ecolab, us water, veolia, Suez, ge water, chemtreat, drew industrial, solenis, chem-aqua, kurita, evoqua, fremont, water treatment, boilers, cooling towers, waste water, pumps, equipment, chillers, polymers, biocides, data center, Amarillo, Lubbock, Tx., Texas Panhandle..
See All 44 Water Treatment Technician Jobs in Texas
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Find JobsWater Treatment Technician Jobs by City in Texas
Where Texas roles are concentrated, by current openings.
Water Treatment Technician Job Market in Texas
A snapshot from current Texas openings, updated as new roles post.
Who's Hiring
Top Industries Hiring
- Aerospace & Defense
- Consulting & Professional Services
What Texas Employers Look For
The qualifications that appear most often in water treatment technician jobs across Texas.
- Active Texas Commission on Environmental Quality water or wastewater operator license
- Experience operating or maintaining water treatment or distribution equipment
- Familiarity with SCADA systems and automated process controls
- Ability to collect, test, and record water quality samples accurately
- Valid Texas driver's license for field service and site travel
- Physical ability to lift equipment and work in confined or outdoor environments
Water Treatment Technician Jobs in Texas: Frequently Asked Questions
How do you become a water treatment technician in Texas?
You become a water treatment technician in Texas by obtaining a license from the Texas Commission on Environmental Quality, which oversees both water and wastewater operator licensing. Most employers require at least a Class D or Class C surface water treatment or distribution license, earned by passing a TCEQ exam. A high school diploma or GED is the minimum education, though an associate degree in environmental science or water technology strengthens your application and can accelerate licensing.
Which companies hire water treatment technicians in Texas?
Companies currently hiring water treatment technicians in Texas include Garratt-Callahan, SpaceX, and Veolia, per current listings on Migrate Mate as of November 2026. Texas's mix of large municipal utilities, private contract operators, and industrial water treatment providers means openings appear across both public-sector authorities and regional service companies throughout the state.
Which Texas cities have the most water treatment technician jobs?
Bastrop, Houston, and Abilene have the most water treatment technician openings in Texas. Houston leads because of its scale as the state's largest city and the complexity of its combined municipal and industrial water infrastructure, while San Antonio and Dallas-Fort Worth generate consistent demand through their fast-growing municipal utility systems and the contract operators that support them.
Are there remote water treatment technician jobs in Texas?
Yes, but they're rare. About 69% of water treatment technician openings tied to Texas are remote or hybrid as of November 2026, which reflects the hands-on nature of most operator roles. The positions most likely to allow any remote work are water quality data analysts, environmental compliance coordinators, or SCADA monitoring roles where reporting and system oversight can occasionally be done off-site.
How can I get hired as a water treatment technician in Texas with little or no experience?
The most realistic entry path is applying for a utility worker, maintenance helper, or operator trainee role with a large Texas municipal system, then pursuing your TCEQ Class D license while on the job. San Antonio Water System and Houston Public Works both bring on entry-level utility workers and support on-site licensing preparation. Completing a water technology certificate program at a Texas community college, such as San Jacinto College or Austin Community College, gives you a measurable edge when competing for those trainee openings.
Where can I find and apply to water treatment technician jobs in Texas?
You can find and apply to water treatment technician jobs in Texas on Migrate Mate, which lists current Texas openings from municipal utilities, private operators, and industrial employers across the state. Search the roles available, identify the ones that match your license level and experience, and apply directly to the ones that fit.
See All 44 Water Treatment Technician Jobs in Texas
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