Lab Technician (Wastewater Plant) - 3rd shift

Liquid Brand; Houston (TX); On-site; USD 27,000 - 39,000; Full time

Job summary

Liquid Environmental Solutions in Houston, TX is hiring a Lab Technician for a full-time, on-site role. Shift: Sunday–Thursday, 10:00 p.m.–6:00 a.m., with occasional overtime. Starting pay begins at $24.00 per hour.

You will analyze wastewater samples, maintain safety, and support plant operations. We value careful, detail-oriented people who can ensure compliance with city, state, and federal regulations. No certifications required; HS diploma; chemistry coursework preferred; 1+ year experience

Qualifications

• High school diploma or equivalent required.
• Three hours of college-level chemistry or equivalent wastewater experience preferred.
• One year as a laboratory technician preferred (environmental, wastewater, or industrial setting).
• Ability to work indoors and outdoors in all weather conditions.

Responsibilities

• Receive trucks and verify offloading tickets and manifests.
• Perform routine chemical and physical analysis of wastewater samples.
• Prepare solutions, standards, and reagents per SOP.
• Conduct monthly inventory of chemicals and equipment.
• Clean and maintain laboratory glassware; general housekeeping.
• Perform pre-approval testing and report results.
• Conduct QC/QA tests and maintain QC procedures.
• Maintain laboratory equipment and apparatus.
• Assist plant operators during downtime.
• Ensure adherence to safe work practices and regulations.
• Maintain test data and issue disposal certificates.
• Manage regulatory paperwork (manifests, bills of lading, logbooks).
• Serve as liaison between customers and departments.
• Develop chemistry expertise of liquids to become SME.
• Coordinate with lab supervisor on projects.
• Other duties as assigned.

Skills

Attention to detail

Conscientiousness

Safety awareness

Team collaboration

Education

High school diploma or equivalent

Three hours of college-level chemistry or equivalent wastewater experience

Job description

Job Category: Treatment & Recovery

Requisition Number: LABTE003549

• Posted : October 19, 2026
• Full-Time
• On-site

Locations

Showing 1 location

Houston, TX 77013, USA

Description

Full-Time Monday through Friday
Shift Time: Sunday – Thursday, 10:00 p.m. – 6:00a.m. (3rd shift). 5–10 hours of overtime per week may be required to support incoming loads, process needs, and compliance sampling.

Starting pay begins at $24.00

The position
Are you passionate about environmental science and the health and safety of your community? Do you enjoy lab testing and chemistry? If so, Liquid Environmental Solutions is looking for a Lab Technician like you! As a Lab Technician, you will ensure that all liquids maintain safe properties and chemistry as they are cleaned in our liquid processing plant. You are conscientious, attentive to details, and are confident in your abilities to protect the health of the environment. In our unique culture, which fosters innovation, encourages creativity, and rewards loyalty, you can reach your highest potential.

• Scope of accountability
• Must be capable of handling a fast-paced work environment.
• Receive incoming trucks and verify information on offloading tickets and manifests.
• Perform routine chemical and physical analysis of wastewater/industrial water samples from incoming tankers prior to disposal at the facility to ensure compliance with city, state, and federal environmental compliance regulations.
• Prepare solutions, standards, and reagents for laboratory analyses in accordance with the SOP.
• Conduct monthly inventory of chemicals, reagents, solutions, and other supplies and equipment essential to laboratory operation.
• Clean and maintain laboratory glassware.
  General housekeeping within the laboratory.
• Perform pre-approval testing on samples dropped off by customers.
  Analyze the data and determine approval/rejection status. Prepare a report on the results of analyses conducted.
• Perform quality control and quality assurance tests and maintain quality control procedures in the laboratory.
• Maintain equipment and apparatus used in all tests and analysis.
• Assist plant operators during downtime, as needed.
• Ensure adherence to safe work practices and procedures as well as federal and state laws, rules, and regulations.
• Maintain accurate files; enter test results into the computer and generate certificates of disposal for billing.
• Manages regulatory paperwork (manifests, bills of lading, logbooks, etc.) in accordance with local, state, and federal regulations for proper recordkeeping.
• Serves as a technical liaison between customers and other departments of the facility.
  Develops expertise in understanding chemistry of liquids to become a subject matter expert in the field.
• Coordinates with the laboratory supervisor on other projects as needed.
• Other duties as assigned.
• Required certifications or licenses
  • None required.
• Required experience level
• High school diploma or equivalent (required).
• Three (3) hours of college-level chemistry or equivalent wastewater / industrial wastewater experience (preferred).
• One (1) or more years as a laboratory technician preferred (environmental, wastewater, or industrial setting).
• Physical requirements
• Work both indoors in the laboratory and outdoors at tankers, tank farms, and sample points in all weather conditions.
• Frequent exposure to strong industrial odors (grease, industrial wastewater, chemicals).
• Standing for extended periods, walking the facility, and lifting/carrying sample containers (typically up to 40–50 lbs).
• Ability to work around vibration, noise, pumps, motors, and moving equipment.
• Must wear required PPE at all times and strictly follow LES EH&S Cardinal Rules and site safety procedures.

Who we are:
Liquid Environmental Solutions is the nation’s leading provider of liquid, non-hazardous waste solutions. We offer services such as waste collection, transportation, processing, recycling, reclamation, and disposal. For more than a decade, Liquid Environmental Solutions has been the trusted resource for responsibly managing non-hazardous liquid waste. We back our services with a guarantee that is truly unprecedented.
We have been able to attract thousands of customers to join us in our responsibility of protecting the environment. Collectively, we are able to reduce greenhouse emissions, increase landfill diversion, and protect earth’s most precious resource – water. As we continue to grow, we innovate our services to make disposing or recycling liquid non-hazardous waste worry free. At every location, you will find team members committed to customer service, compliance and safety, the environment, and continuous improvement. We work diligently to provide best practices today for a better tomorrow. Are you ready to join our team?

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.