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

NASS USA

Oil Lab Technician

Saint Louis, MO · On-site

$18 - $25/hr

Overview Oil Lab Technician North American Substation Services (NASS) is a national leader in transformer services and high-voltage substation installation, maintenance, testing, and repair. With ...

BJC

Medical Lab Technologist III

Saint Louis, MO · On-site

... Weekends (8am-2pm) Day Shift: Rotating Schedule 6am-2:30pm, 7am-3:30pm, 9:30am-6pm Perks Benefits Eligible Location: St. Louis Children's Hospital (this position may float to other lab locations ...

BJC HealthCare

Medical Lab Technologist III

Saint Louis, MO · On-site

$26.45 - $43.91/hr

... Weekends (8am-2pm) * Day Shift: Rotating Schedule * 6am-230pm, 7am-330pm, 930am-6pm * Perks Benefits Eligible * Location: St. Louis Children's Hospital (this position may float to other lab locations)

VIBE Cannabis

Hydrocarbon Lab Tech Position

Saint Louis, MO · On-site

$16.75 - $22.25/hr

We are seeking a dependable, detail-oriented Lab Packaging Associate to join our fast-paced Hydrocarbon team. The primary responsibility is packaging cannabis concentrates and vape products at a ...

BJC HealthCare

MLT II (REG) - Core Lab

Saint Louis, MO · On-site

$17.25 - $22.75/hr

... Weekends * Evening Shift: 2pm-10:30pm * Perks: Benefits Eligible Sign-on Bonus Eligible, Shift ... Preferred Qualifications Role Purpose The Medical Lab Technician (MLT) II (REG) performs specimen ...

BJC HealthCare

Lab Associate III

Saint Louis, MO · On-site

Additional Information About the Role Christian Hospital has a full-time Lab Associate III opportunity for experienced candidates. Prefered candidate must have experience with phlebotomy. Perfect for ...

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Weekend Lab information

See St Louis, MO salary details

$9

$24

$43

How much do weekend lab jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for weekend lab in St. Louis, MO is $24.55, according to ZipRecruiter salary data. Most workers in this role earn between $18.70 and $27.12 per hour, depending on experience, location, and employer.

What is a Weekend Lab?

A Weekend Lab job typically refers to a laboratory technician or assistant position where the primary work schedule falls on weekends. Employees in this role are responsible for performing lab tests, managing samples, maintaining equipment, and recording data, often in hospitals, research facilities, or diagnostic labs. Weekend Lab staff play a critical part in ensuring continuous laboratory operations, especially when full-time weekday staff are unavailable. These positions may require technical skills, attention to detail, and the ability to work independently. Weekend Lab jobs are ideal for individuals seeking flexible work hours or supplemental income.

What are some unique challenges faced by professionals working in a Weekend Lab position?

Professionals in a Weekend Lab role often encounter challenges such as managing time-sensitive experiments with limited weekday support and adapting to a quieter, sometimes solitary work environment. Being responsible for ongoing research or diagnostic work during weekends requires strong organization and the ability to troubleshoot issues independently. Collaboration with weekday staff is essential, so clear documentation and effective communication are key to ensuring continuity and data integrity across shifts.

What are the key skills and qualifications needed to thrive as a Weekend Lab technician, and why are they important?

To thrive as a Weekend Lab Technician, you need a solid understanding of laboratory procedures, attention to detail, and at least an associate degree or certification in laboratory science. Familiarity with laboratory information systems (LIS), automated analyzers, and standard lab equipment is typically required. Strong problem-solving skills, effective communication, and the ability to work independently are crucial soft skills for this role. These competencies ensure accurate test results, efficient workflow, and reliable laboratory operations during weekend shifts.

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

AspectWeekend LabMedical Laboratory Technician
CredentialsTypically requires a certification or training specific to weekend shiftsRequires an associate degree in medical laboratory technology and certification
Work EnvironmentLaboratories operating on weekend schedules, often in hospitals or clinicsHospitals, clinics, or diagnostic labs during regular or weekend hours
Industry UsageUsed in healthcare settings needing weekend coverageStandard role in medical diagnostics and lab testing

Weekend Lab roles focus on providing laboratory services during weekends, often requiring specific certifications for weekend work. Medical Laboratory Technicians perform diagnostic tests in healthcare labs, usually with formal education and certification. While both work in lab environments, Weekend Lab positions are tailored for weekend shifts, whereas Medical Laboratory Technicians work throughout the week. Understanding these differences helps job seekers find roles aligned with their credentials and scheduling preferences.

What are the most commonly searched types of Lab jobs in St. Louis, MO?

The most popular types of Lab jobs in St. Louis, MO are:

What cities near St. Louis, MO are hiring for Weekend Lab jobs?

Cities near St. Louis, MO with the most Weekend Lab job openings:

Weekend Lab jobs near you
Infographic showing various Weekend Lab job openings in St. Louis, MO as of August 2026, with employment types broken down into 1% As Needed, 70% Full Time, 24% Part Time, 4% Contract, and 1% Nights. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $51,058 per year, or $24.5 per hour.

Oil Lab Technician

NASS USA

Saint Louis, MO • On-site

$18 - $25/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 15 days ago

Job description

Overview
Oil Lab Technician
North American Substation Services (NASS) is a national leader in transformer services and high-voltage substation installation, maintenance, testing, and repair. With more than 20 years of experience, we deliver comprehensive, one-stop solutions for utilities, industrial operations, and critical infrastructure across the United States. Our teams support the full lifecycle of substation and transformer assets, including installation, maintenance, major repairs, and diagnostic testing.
Core services include transformer assembly, oil processing, regasket and life-extension work, substation apparatus testing, and high-voltage equipment maintenance to ensure safe, reliable system performance. We work on a wide range of substation equipment-power transformers, breakers, switches, arresters, and control cabinets-and perform essential diagnostics such as TTR, winding resistance, insulation resistance, power-factor testing, and oil analysis through our dedicated in-house laboratory. With a nationwide fleet of mobile oil-processing units, we provide rapid on-site support backed by strong technical expertise, a commitment to safety, and disciplined field execution to keep critical power systems operating reliably and efficiently.
Benefits
  • Medical, dental, and vision coverage
  • 401(k) savings plan with company match
  • Health Savings Account (HSA) and/or Flexible Spending Account (FSA)
  • Life and AD&D insurance
  • Short-term and long-term disability coverage
  • Employee Assistance Program (EAP)

Perks
  • Competitive pay
  • Talent development through instructor-led and online learning
  • Career path planning
  • Incentives for professional certifications
  • Per diem for travel
  • Referral bonuses
  • Tuition reimbursement

Pay:
The hourly rate for this position is between $18.00 - $25.00 per hour.
Factors which may affect starting pay within this range may include geography/market, skills, education, experience, and other qualifications of the successful candidate.
Job Purpose:
The Oil Lab Technician is responsible for the testing and documentation of transformer insulating fluids in production laboratory environments.Candidate must be detail-oriented, have experience working with chemicals, and be confident working with electronic test instruments in a lab environment.
Responsibilities
  • Receive and document incoming fluid samples from customers.
  • Perform checks and calibrations on laboratory equipment.
  • Test fluid samples to determine their physical, electrical, and chemical properties.
  • Analyze test results to confirm their validity.
  • Perform routine maintenance on test equipment.
  • Wash glassware and sample containers as necessary.
  • Maintain laboratory as a clean and orderly work area
  • Coordinate the distribution of sampling materials to customers.
  • Participate in lab quality programs and improvements.

Qualifications
Required:
  • High School diploma or GED.
  • Must be able to frequently kneel, bend, stand, crouch, and lift or carry up to 50 pounds to accomplish job tasks.

Preferred:
  • Associate's degree in chemistry, biology, or related field of science.
  • Strong skills working with computers and digital testing equipment, including efficient data entry.
  • Ability to work safely, accurately, and efficiently both independently and as part of a small team.
  • Capable of prioritizing multiple goals to meet deadlines.
  • Professional experience working in a laboratory setting is a plus but not required.

EEO Statement
NASS, an Asplundh Power Company, is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, veteran status, or any other protected characteristic. NASS does not engage with individual recruiters or third party staffing agencies. Unsolicited résumés will not be accepted.
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