Top 173 Laboratory assistant Jobs in St. Louis Mo

Laboratory Technician
Kelly Services —St. Louis, MO
- $28 - $32 an hour
- Full-time
- Basic math
- Bachelor's degree
- US work authorization
- Paid holidays
- Disability insurance
Quick Apply
1d
Clinical Laboratory Technician - Siteman Cancer Center (JR94511)
Washington University in St. Louis —St. Louis, MO
- $19.21 - $28.85 an hour
- Full-time
- Word processing
- Pass drug screening
- Research
- Health savings account
- Health insurance
Quick Apply
Lab Technician
Actalent —St. Louis, MO
- $20 an hour
- Contract
- High school diploma or GED
- Travel
- Fair chance
- Commuter assistance
- Health savings account
Quick Apply
6d
Laboratory Assistant I
SSM Health —St. Louis, MO
- Overtime
- Hospital
- No experience needed
- English
- Paid parental leave
- Parental leave
Prep Lab Assistant
Quest Diagnostics —St. Louis, MO
- From $17.20 an hour
- Weekends as needed
- High school diploma or GED
- Continuous improvement
- Military encouraged
- Employee stock purchase plan
- Disability insurance
Quick Apply
Laboratory Screening Technician
Averhealth —St. Louis, MO
- $20 an hour
- Overtime
- Microsoft Outlook
- Addiction Medicine
- Bachelor of Science
- Disability insurance
- Health insurance
Quick Apply
17h
Laboratory Assistant I
St. Luke's Hospital - MO —Saint Charles, MO
- Part-time
- Hospital
- High school diploma or GED
- Typing
Quick Apply
14d
Lab Associate II - Blood Bank
BJC HealthCare —St. Louis, MO
- $17.75 - $25.56 an hour
- Part-time
- BLS Certification
- Mid-level
- High school diploma or GED
- Disability insurance
- Health insurance
6d
Biology Lab Assistant
CWS - Work Study —St. Louis, MO
- $15 an hour
- Part-time
- University
- Communication skills
- Entry level
Laboratory Support Technician I
SSM Health —St. Louis, MO
- Full-time
- No experience needed
- High school diploma or GED
- Children
- Paid parental leave
- Health insurance
QC Microbiology Lab Technician
Avantor —St. Louis, MO
- Full-time
- Bachelor's degree
- In-person
- Entry level
Lab Support Technician, Part Time (20 hrs)
Mercy —St. Louis, MO
- Part-time
- Hospital
- HIPAA
- High school diploma or GED
- Health insurance
- Dental insurance
11d
Lab Associate II - PRN
BJC HealthCare —St. Louis, MO
- $17.75 - $25.56 an hour
- Full-time
- Hospital
- BLS Certification
- Mid-level
- Disability insurance
- Health insurance
Laboratory Assistant II
St. Luke's Hospital - MO —Saint Charles, MO
- Part-time
- Hospital
- Mid-level
- High school diploma or GED
Quick Apply
14d
Lab Associate II - Evening
BJC HealthCare —St. Louis, MO
- $17.75 - $25.56 an hour
- 8 hour shift
- Hospital
- BLS Certification
- Mid-level
- Disability insurance
- Health insurance
Lab Technician
Aptimmune Biologics Inc —Creve Coeur, MO
- Full-time
- Bachelor of Science
- Bachelor's degree
- Cleaning
Quick Apply
4d
Research Assistant
Saint Louis University —St. Louis, MO
- Full-time
- Computer literacy
- University
- Bachelor's degree
Lab Assistant I
St. Luke's Hospital - MO —Chesterfield, MO
- Part-time
- Hospital
- High school diploma or GED
- Typing
Quick Apply
6d
Lab Tech
Illini Environmental LLC —Caseyville, IL
- Full-time
- Computer literacy
- Data analysis skills
- Cleaning
- Health insurance
- Dental insurance
Lab Associate II - (Nights)
BJC HealthCare —St. Louis, MO
- $17.75 - $25.56 an hour
- Full-time
- Surgery
- Hospital
- BLS Certification
- Disability insurance
- Health insurance
11d

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Laboratory Technician

Kelly Services -
St. Louis, MO

Quick Apply

Job Details

Full-time
$28 - $32 an hour
1 day ago

Benefits

Paid holidays
Disability insurance
Health insurance
Dental insurance
Vision insurance
Retirement plan
Paid sick time

Qualifications

Bachelor's degree

Full Job Description

Kelly Science & Clinical is hiring a Laboratory Technician for a full-time, temp-to-hire opportunity in St. Louis, MO.

About the Role

In this hands-on laboratory position, you will support the day-to-day operations of a mass spectrometry sample preparation laboratory. Primary responsibilities include laboratory glassware and labware processing, solution preparation, basic biological sample handling, and maintaining an organized, efficient laboratory environment. You will work alongside Operations and R&D teams while gaining valuable exposure to proteomics and metabolomics workflows.

This opportunity is ideal for a recent graduate or early-career scientist who is detail-oriented, dependable, eager to learn, and looking to build a strong foundation in laboratory operations and scientific best practices. No prior mass spectrometry experience is required.

What You'll Do

Wash, clean, and maintain laboratory glassware and labware
Prepare laboratory buffers, LC-MS solvents, stock solutions, and dilutions according to established procedures
Assist with basic biological sample preparation, including tissue and plasma samples, under supervision
Maintain laboratory supplies, reagent inventory, and overall laboratory organization
Perform routine laboratory and equipment maintenance while following safety and waste disposal procedures
Organize laboratory storage areas and maintain sample inventory
Follow Standard Operating Procedures (SOPs) and maintain accurate laboratory documentation
Support Research Associates and Operations staff with laboratory projects and daily activities
Record experimental observations and maintain detailed laboratory notebooks
Perform additional laboratory duties as assigned

Qualifications

Education

Bachelor's degree in Biology, Chemistry, Biochemistry, or a related scientific discipline

Experience

0–1 years of laboratory experience
Relevant academic laboratory coursework, undergraduate research, or internship experience is welcomed
Prior experience with mass spectrometry is not required

Key Skills

Basic laboratory math skills, including dilutions, concentrations, and unit conversions
Strong attention to detail and commitment to producing accurate work
Excellent organizational and record-keeping abilities
Dependable work ethic with a willingness to learn new laboratory techniques
Strong communication and collaboration skills
Ability to follow established procedures while maintaining a safe laboratory environment

Ideal Background

Recent graduate seeking to begin a career in laboratory science
Exposure to academic or research laboratory environments
Interest in analytical chemistry, proteomics, metabolomics, or life science research
Comfortable working in a fast-paced, team-oriented laboratory setting

Additional Details

Location: St. Louis, MO (100% on-site)
Job Type: Full-time, Temp-to-Hire
Contract: Approximately 6-month contract with the intent to convert to a permanent position based on performance (conversion not guaranteed)
Pay Rate: $28–32/hour, depending on relevant laboratory experience

Take the next step in your scientific career with Kelly Science & Clinical—apply today to join an innovative laboratory team and gain valuable experience supporting cutting-edge proteomics and metabolomics research.

As part of our promise to talent, Kelly supports those who work with us through a variety of benefits, perks, and work-related resources. Kelly offers eligible employees voluntary benefit plans including medical, dental, vision, telemedicine, term life, whole life, accident insurance, critical illness, a legal plan, and short-term disability. As a Kelly employee, you will have access to a retirement savings plan, service bonus and holiday pay plans (earn up to eight paid holidays per benefit year), and a transit spending account. In addition, employees are entitled to earn paid sick leave under the applicable state or local plan.

Why Kelly® Science & Clinical?

Kelly Science & Clinical is your connection to premier scientific and clinical companies looking to hire industry experts just like you. Our team creates expert talent solutions to solve the world’s most critical challenges. Every day, we match science professionals with dream jobs that fit their skills, interests, and career goals-it’s the way we think job searching should be. Nearly 100 percent of our science recruiters have a professional background and education in science, so we know a thing or two about the science market and how to get your expertise noticed.

About Kelly

Work changes everything. And at Kelly, we’re obsessed with where it can take you. To us, it’s about more than simply accepting your next job opportunity. It’s the fuel that powers every next step of your life. It’s the ripple effect that changes and improves everything for your family, your community, and the world. Which is why, here at Kelly, we are dedicated to providing you with limitless opportunities to enrich your life-just ask the 300,000 people we employ each year.

Kelly is committed to providing equal employment opportunities to all qualified employees and applicants regardless of race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or any other legally protected status, and we take affirmative action to recruit, employ, and advance qualified individuals with disabilities and protected veterans in the workforce. Requests for accommodation related to our application process can be directed to the Kelly Human Resource Knowledge Center. Kelly complies with the requirements of California’s state and local Fair Chance laws. A conviction does not automatically bar individuals from employment. Kelly participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.

Kelly may use AI-powered tools during the recruitment and hiring process. For full details, including how Kelly uses AI, your rights, and how to request a reasonable accommodation, visit the Recruitment Artificial Intelligence Notice.

Quick Apply

Refine Your Search

laboratory assistant jobs in st. louis mo

Laboratory Technician

Clinical Laboratory Technician - Siteman Cancer Center (JR94511)

Lab Technician

Laboratory Assistant I

Prep Lab Assistant

Laboratory Screening Technician

Laboratory Assistant I

Lab Associate II - Blood Bank

Biology Lab Assistant

Laboratory Support Technician I

QC Microbiology Lab Technician

Lab Support Technician, Part Time (20 hrs)

Lab Associate II - PRN

Laboratory Assistant II

Lab Associate II - Evening

Lab Technician

Research Assistant

Lab Assistant I

Lab Tech

Lab Associate II - (Nights)

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