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Lab Assistant Jobs in Mercedes, TX (NOW HIRING)

Tstc

Lab Assistant - Welding Shop

Harlingen, TX

$16 - $17/hr

The Lab Assistant works under the direction of the instructional lead or designee on duty and provides instructional assistance in the laboratory, learning center, storeroom and office. The Lab ...

Tenet Health

Lab Assistant III

Brownsville, TX · On-site

Will supervise or lead lab assistant I and II positions, as requested. Valley Baptist - Brownsville Hospital is committed to providing exceptional patient care in a supportive and collaborative ...

Tenet Health

*Lab Assistant

Harlingen, TX · On-site

This position may qualify for a sign-on bonus The Laboratory Assistant performs routine technical and clerical functions. Performs venipuncture, specimen receipt and distribution of laboratory ...

Tenet Health

*Lab Assistant

Harlingen, TX · On-site

This position may qualify for a sign-on bonus The Laboratory Assistant performs routine technical and clerical functions. Performs venipuncture, specimen receipt and distribution of laboratory ...

Tenet Health

*Lab Assistant

Harlingen, TX · On-site

This position may qualify for a sign-on bonus The Laboratory Assistant performs routine technical and clerical functions. Performs venipuncture, specimen receipt and distribution of laboratory ...

Tenet Health

Lab Assistant II

Harlingen, TX · On-site

$19.50 - $25.50/hr

In addition to above, basic laboratory computer/lab information system experience Certifications ... Will perform waived testing, and assist in microbiology processing and plating specimens, as ...

Tenet Health

Laboratory Assistant III

Harlingen, TX · On-site

Will supervise or lead lab assistant I and II positions, as requested. Responsibilities Completes prioritization, receipt, registration, and distribution of specimens. Has responsibility for send out ...

Tenet Health

Laboratory Assistant III

Harlingen, TX · On-site

Will supervise or lead lab assistant I and II positions, as requested. Embark on a rewarding career with Valley Baptist - Harlingen hospital. If you are a compassionate healthcare professional eager ...

Tenet Health

Laboratory Assistant III

Harlingen, TX

Will supervise or lead lab assistant I and II positions, as requested. Embark on a rewarding career with Valley Baptist - Harlingen hospital. If you are a compassionate healthcare professional eager ...

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Lab Assistant information

See Mercedes, TX salary details

$9

$18

$27

How much do lab assistant jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for lab assistant in Mercedes, TX is $18.99, according to ZipRecruiter salary data. Most workers in this role earn between $15.58 and $21.63 per hour, depending on experience, location, and employer.

What are some common challenges faced by lab assistants, and how can they be managed effectively?

Lab Assistants often encounter challenges such as managing multiple tasks under tight deadlines, maintaining strict adherence to safety protocols, and ensuring the accuracy of data collection. To manage these effectively, it's important to stay organized, communicate proactively with supervisors and colleagues, and remain attentive to details when handling samples or preparing equipment. Many labs offer training on safety and procedures, so taking advantage of these resources can help new hires adapt quickly and perform confidently in their roles.

Is it hard to become a lab assistant?

Becoming a lab assistant typically requires a high school diploma or equivalent, along with some knowledge of laboratory procedures and safety protocols. Some positions may prefer or require postsecondary education or certifications in relevant fields, and strong attention to detail and organizational skills are important for success in the role.

What is a lab assistant?

As a laboratory assistant or lab technician, you are responsible for helping scientists conduct experiments in a laboratory environment. You may be asked to prepare, clean, and maintain lab equipment and log readings and results. Your responsibilities may also include performing basic analyses of samples and recording results accurately. Your responsibilities will vary based on the type of lab you work in, but compliance with protocols and commitment to safety and accuracy are critical in any lab.

What are the key skills and qualifications needed to thrive as a lab assistant, and why are they important?

To thrive as a Lab Assistant, you need a basic understanding of laboratory procedures, safety protocols, and often an associate degree or relevant coursework in science. Familiarity with laboratory information management systems (LIMS), standard lab equipment, and proper sample handling techniques is typically required. Attention to detail, strong organizational skills, and effective teamwork are essential soft skills for this role. These skills ensure accurate results, maintain lab safety standards, and support smooth laboratory operations.

What qualifications do I need to be a lab assistant?

To become a lab assistant, candidates typically need a high school diploma or equivalent; some positions may require postsecondary education or relevant coursework in science. Basic knowledge of laboratory procedures, attention to detail, and familiarity with lab equipment are important. Certifications in safety or specific techniques can enhance job prospects.

What are the duties of a lab assistant?

A lab assistant is responsible for preparing laboratory equipment and samples, maintaining a clean and organized work environment, and assisting scientists or technicians with experiments and data collection. They may also handle inventory management, record keeping, and ensure safety protocols are followed. Proficiency with lab tools and attention to detail are essential for this role.

How much do lab assistants get paid?

Lab assistants typically earn between $12 and $20 per hour, depending on experience, location, and the complexity of tasks. Entry-level positions may pay closer to minimum wage, while those with specialized skills or certifications can earn higher wages. Salaries can also vary based on the industry and work environment.

What exactly does a lab assistant do?

A lab assistant supports laboratory operations by preparing samples, maintaining equipment, recording data, and ensuring safety protocols are followed. They often work under the supervision of scientists or technicians and may need knowledge of lab procedures and basic scientific techniques.

What is the difference between Lab Assistant vs Medical Laboratory Technician?

AspectLab AssistantMedical Laboratory Technician
Required CredentialsHigh school diploma or equivalent; on-the-job trainingAssociate degree in medical laboratory technology or related field
Work EnvironmentHospitals, clinics, research labsHospitals, diagnostic labs, healthcare facilities
Job ResponsibilitiesAssist with sample collection, prepare specimens, maintain lab equipmentPerform complex tests, analyze samples, report results
Industry UsageCommonly used in healthcare and research settingsPrimarily in medical diagnostics and healthcare

While both roles support laboratory operations, Medical Laboratory Technicians perform more advanced testing and require specialized education. Lab Assistants typically handle basic tasks and support lab staff, making them entry-level positions in healthcare labs.

More about Lab Assistant jobs
What job categories do people searching Lab Assistant jobs in Mercedes, TX look for? The top searched job categories for Lab Assistant jobs in Mercedes, TX are:
What cities near Mercedes, TX are hiring for Lab Assistant jobs? Cities near Mercedes, TX with the most Lab Assistant job openings:
Lab Assistant jobs near you
Infographic showing various Lab Assistant job openings in Mercedes, TX as of August 2026, with employment types broken down into 55% Full Time, 31% Part Time, and 14% Contract. Highlights an 100% In-person job distribution, with an average salary of $39,506 per year, or $19 per hour.

Lab Assistant - Welding Shop

Texas State Technical College

Harlingen, TX • On-site

$16 - $17/hr

Full-time

Posted 22 days ago

Texas State Technical College rating

8.7

Company rating: 8.7 out of 10

Based on 11 frontline employees who took The Breakroom Quiz

55th of 617 rated colleges and universities

Job description

Are you someone who strives for excellence, values accountability, provides the best service, all while reflecting unwavering integrity? Our talented team members across the state follow the behaviors, beliefs and outcomes of these core values to ensure that our vision is met. If you're ready to join the TSTC family and make great memories please complete our application process.
Job Description
The Lab Assistant works under the direction of the instructional lead or designee on duty and provides instructional assistance in the laboratory, learning center, storeroom and office. The Lab Assistant's duties primarily focus on providing supplemental lab instruction to students.
This is an entry-level position with a starting salary of approximately $16-17/hr plus full State benefits. This includes 100% paid healthcare, generous time off and so much more!!!
Essential Functions
  • Assist the professional faculty member in the classroom, laboratory, computer lab, or shop as directed. Assist students with materials already covered by the instructor, including exam preparation. Assist students as they conduct laboratory work. Provide tutoring to students and supplemental instruction on an as needed basis.
  • Grade papers, exercises, and tests by use of predetermined objective criteria. Process student records and maintain student files.
  • Prepare the lab for class, secure equipment after class and set up and disassemble lab experiments. Test new lab equipment for quality and accuracy. Perform routine maintenance and repair on laboratory equipment and other instructional aids.
  • Aid professional staff in the construction of training aids. Initiate requisitions for consumable supplies and equipment repairs. Prepare consumable materials for classroom, laboratory and shop exercises.
  • Maintain an inventory of supplies and equipment and assure security of each.
  • Assist in helping student workers as assigned. Monitor instructional areas for safety conditions.
  • Operate motor vehicles for purpose of conducting TSTC business.
  • Perform other duties as assigned.

Education/Experience/Knowledge/Skills
  • High school diploma or GED required. Associates degree in related field from an accredited college preferred.
  • One year of successful related work experience.
  • Considerable knowledge of and skill in performing laboratory procedures.
  • Ability to work effectively with others and to follow oral and written instructions.

Equal Opportunity Employer
Texas State Technical College (TSTC), as an equal opportunity employer, complies with all applicable federal and state laws regarding nondiscrimination. TSTC is committed to a policy of equal opportunity for all persons and does not discriminate on the basis of race, color, national origin, age, marital status, sex, sexual orientation, disability, religion, or veteran status in employment, educational programs and activities, and admissions.
Employment Eligibility Verification
If hired, you will be required to complete the federal Employment Eligibility Verification I-9 form. You will be required to present acceptable and original documents to prove your identity and authorization to work in the United States. Documents need to be presented no later than the third day of employment. Failure to do so will result in loss of employment at TSTC.
Background Checks
A criminal history background check will be required for the finalist(s) under consideration for this position.

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