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Weekend Lab Assistant Jobs in St Louis, MO (NOW HIRING)

Quest Diagnostics

Prep Lab Assistant

Saint Louis, MO · On-site

$17.20/hr

Prep Lab Assistant - Maryland Heights, MO, Monday to Friday, 11:30 PM to 8:00 AM, with rotational weekends Department: Microbiology Position provides a wide variety of support for assigned lab ...

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Weekend Lab Assistant information

See St Louis, MO salary details

$10

$19

$28

How much do weekend lab assistant jobs pay per hour?

As of Aug 4, 2026, the average hourly pay for weekend lab assistant in St. Louis, MO is $19.68, according to ZipRecruiter salary data. Most workers in this role earn between $16.11 and $22.45 per hour, depending on experience, location, and employer.

What is a weekend lab assistant?

A Weekend Lab Assistant supports laboratory operations by preparing samples, maintaining equipment, and assisting with experiments, typically on weekends. Responsibilities may include organizing lab materials, handling specimens, and ensuring safety protocols are followed. This role is common in medical, research, or academic labs and requires attention to detail and basic lab skills. It is ideal for students or individuals seeking part-time lab experience.

What are the key skills and qualifications needed to thrive in the weekend lab assistant position, and why are they important?

To thrive as a Weekend Lab Assistant, you should have a solid background in basic laboratory procedures, safety protocols, and at least a high school diploma or equivalent, with higher education in the sciences preferred. Familiarity with lab equipment such as centrifuges, spectrophotometers, and laboratory information management systems (LIMS) is often required. Strong attention to detail, organizational skills, and effective communication set candidates apart in this role. These abilities are crucial for ensuring accurate sample handling, data recording, and maintaining a safe laboratory environment during non-standard work hours.

How many hours do Weekend Lab Assistants work?

Weekend Lab Assistants typically work part-time hours, often ranging from 4 to 20 hours per weekend, depending on the employer and specific schedule. They may be scheduled for morning, afternoon, or evening shifts and should be flexible to accommodate lab needs and their availability.

What are the typical responsibilities of a weekend lab assistant?

As a Weekend Lab Assistant, your primary duties include preparing and processing samples, maintaining lab equipment, recording data accurately, and ensuring the lab is clean and organized. You may also assist with inventory management, support researchers or senior technicians, and follow established protocols for safety and quality control. Due to the weekend schedule, you may work more independently but will still receive guidance from laboratory supervisors. This role provides valuable hands-on experience in a professional lab environment and the opportunity to collaborate with experienced staff when needed.

How much does a weekend lab assistant get paid?

Weekend lab assistants typically earn between $10 and $20 per hour, depending on experience, location, and the specific employer. Pay rates may also vary based on the complexity of tasks and whether certifications or specialized skills are required.

Can you get a weekend lab assistant job with no experience?

Weekend lab assistant positions often do not require prior experience, as employers may provide on-the-job training. However, having basic knowledge of laboratory procedures, attention to detail, and the ability to follow safety protocols can improve your chances of being hired. Entry-level roles typically focus on assisting with routine tasks and maintaining lab cleanliness.
What are popular job titles related to Weekend Lab Assistant jobs in St. Louis, MO? For Weekend Lab Assistant jobs in St. Louis, MO, the most frequently searched job titles are:
What job categories do people searching Weekend Lab Assistant jobs in St. Louis, MO look for? The top searched job categories for Weekend Lab Assistant jobs in St. Louis, MO are:
What cities near St. Louis, MO are hiring for Weekend Lab Assistant jobs? Cities near St. Louis, MO with the most Weekend Lab Assistant job openings:
Weekend Lab Assistant jobs near you
Infographic showing various Weekend Lab Assistant job openings in St. Louis, MO as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $40,944 per year, or $19.7 per hour.

Biology Lab Assistant

Maryville University

Saint Louis, MO • On-site

$15/hr

Full-time

Re-posted 29 days ago

Job description

Position Title: Biology Lab Assistant
Department: Science Labs, College of Arts and Sciences
Supervisor: Malia Dunbar, mdunbar1@maryville.edu
About the Position:
As a part of the Federal Work-Study Program at Maryville University, the Biology Lab Assistant position offers enrolled students an opportunity to gain valuable work experience while supporting the Science Labs. This role is designed to enhance students' career readiness skills in preparation for their transition into the workforce.
Responsibilities:
  • Complete general lab upkeep and maintenance tasks.
  • Ensure cleanliness and safety in the laboratories.
  • Support ongoing labs and instructors.
  • Receive packages and inventory materials accordingly.
  • Complete lab prep assignments from Biology Lab Coordinators.
  • Regularly check in with supervisors for additional tasks.
  • Participate in ongoing training and regular meetings with student managers.
  • Train for class coordinator role.

Qualifications:
  • Highly organized, detailed-oriented, and proactive.
  • Strong time management skills.
  • Ability to follow detailed instructions and maintain meticulous records.
  • Effective verbal and written communication skills.
  • Problem-solving skills and ability to work both independently and part of a team.

Requirements:
  • Must be a current full-time undergraduate student at Maryville University.
  • Must be Federal Work-Study eligible (a US citizen that has filled out the FAFSA) and available to work during the academic year (August 25, 2025-May 1, 2026.)
  • A science faculty recommendation for lab work is preferred unless applying as a freshman. If applicable, please submit a recommendation letter with your application.
  • Must commit to at least 10 hours per week.

Compensation:
  • Hourly pay rate: $15.00.

Performance Evaluation:
  • Regular feedback will be provided, with a formal performance evaluation conducted in March.

Apply