Laboratory Technician

Laboratory Technician

Laboratory

Houston, TX, US

• Added - 24/08/2026

Pay Rate Low: 20 | Pay Rate High: 20

Lab Technician - Wet Chemistry & Sample Preparation

Location: Houston, TX

Pay Rate: $20/hour

Schedule: Monday-Friday | 9:00 AM-6:00 PM

Contract: 6 months initially, with potential for extension and/or conversion to a permanent position

Start Date: ASAP

Position Summary

Our client is seeking a Lab Technician to join their Wet Lab team in Houston. This role will primarily support routine testing of water and wastewater samples , with a strong focus on Biochemical Oxygen Demand (BOD) and CBOD analysis .

The Lab Technician will be responsible for sample preparation, reagent preparation, laboratory testing, equipment operation, documentation, and quality-control activities while following established analytical methods, SOPs, and laboratory safety requirements.

Key Responsibilities

• Perform routine BOD and CBOD testing using approved laboratory methods and procedures.

• Prepare samples, dilution water, nutrient solutions, seed material, standards, reagents, and sample dilutions.

• Measure and accurately record initial and final dissolved oxygen levels.

• Operate, calibrate, and maintain laboratory equipment including dissolved oxygen meters, probes, incubators, balances, and pH meters.

• Monitor incubator temperatures and other required environmental conditions.

• Perform additional wet-chemistry testing as assigned, including pH, dissolved oxygen, total suspended solids, alkalinity, conductivity, and chlorine residual .

• Complete required quality-control testing, including method blanks, duplicates, seed controls, and other QC samples.

• Review test results for accuracy, completeness, holding-time compliance, and QC acceptance.

• Accurately document testing and results in laboratory worksheets, logbooks, spreadsheets, or LIMS.

• Communicate unusual results, QC failures, equipment issues, sample concerns, or safety issues to the appropriate supervisor.

• Clean glassware and maintain an organized laboratory, sample-storage areas, incubators, and equipment.

• Maintain reagent, chemical, and laboratory-supply inventories.

• Follow established SOPs, analytical methods, chain-of-custody requirements, and document-control procedures .

• Handle chemicals, wastewater, and biological materials in accordance with laboratory safety and waste-disposal procedures.

• Participate in laboratory training, proficiency testing, internal audits, and corrective-action activities as needed.

• Support additional laboratory operations and projects as assigned.

Qualifications

• High school diploma or equivalent required.

• Diploma or degree in Chemistry, Environmental Science, Biology, Biotechnology, Laboratory Technology , or a related scientific discipline preferred.

• Previous wet-laboratory, water-quality, wastewater, or environmental-testing experience preferred.

• Familiarity with BOD testing and water/wastewater analytical methods is a plus.

• Basic mathematical skills, including dilution and concentration calculations.

• Ability to carefully follow detailed written procedures and maintain accurate, traceable documentation.

• Basic computer skills, including Microsoft Excel, email, and data-entry systems.

• Strong attention to detail, organization, and time-management skills.

• Ability to work independently while also collaborating effectively with a laboratory team.

• Strong commitment to laboratory safety, quality, and accuracy.

INDBH

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.