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Weekend Microbiologist Jobs in Chicago, IL (NOW HIRING)

Demonstrate flexibility to work weekends and late hours when required to meet production and testing demands. Essential Skills * 2-3 years of experience working in a microbiology laboratory within a ...

Microbiologist

Mount Prospect, IL · On-site

$75K - $85K/yr

Position Summary The Microbiologist performs microbiological testing and technical evaluations that support product quality, manufacturing operations, contamination control, and regulatory compliance.

Microbiologist 1

Crete, IL · On-site

$20 - $22/hr

Microbiologist 1 Crete Analytical Laboratory Permanent MERIEUX NUTRISCIENCES As a trusted partner ... YOUR PROFILE Must be able to work evenings and weekends, specifically Saturday & Sunday.

Microbiologist I Crete Analytical Laboratory Permanent MERIEUX NUTRISCIENCES As a trusted partner ... YOUR PROFILE Must be able to work evenings and weekends, specifically Saturday & Sunday.

In addition, the Corporate Microbiologist partners closely with R&D, Technical Services, Regulatory ... work weekends to meet department and business demands. SPECIAL REQUIREMENTS Employment is ...

In addition, the Corporate Microbiologist partners closely with R&D, Technical Services, Regulatory ... May be required to work weekends to meet department and business demands. SPECIAL REQUIREMENTS ...

Microbiologist I

Crete, IL · On-site

$20 - $22/hr

Microbiologist I Crete Analytical Laboratory Regular (US Only) MERIEUX NUTRISCIENCES As a trusted ... YOUR PROFILE Must be able to work evenings and weekends, specifically Saturday & Sunday.

The Microbiologist III will conduct a variety of specific test methods, and as study director is responsible for conducting all studies both according to applicable standards and regulations (GMP/GLP ...

The Microbiologist III will conduct a variety of specific test methods, and as study director is responsible for conducting all studies both according to applicable standards and regulations (GMP/GLP ...

Microbiologist I

Lincolnshire, IL · On-site

$23 - $25/hr

As a professional scientist, the Microbiologist is expected to work under the guidance of supervisors and managers, develop skills and understanding of laboratory procedures, exhibit technical ...

The Microbiologist II will conduct a variety of specific test methods, and as study director is responsible for conducting all studies both according to applicable standards and regulations (GMP/GLP ...

The Microbiologist II will conduct a variety of specific test methods, and as study director is responsible for conducting all studies both according to applicable standards and regulations (GMP/GLP ...

The Microbiologist II will conduct a variety of specific test methods, and as study director is responsible for conducting all studies both according to applicable standards and regulations (GMP/GLP ...

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Weekend Microbiologist information

See Chicago, IL salary details

$35.5K

$72.8K

$129.8K

How much do weekend microbiologist jobs pay per year?

As of Aug 17, 2026, the average yearly pay for weekend microbiologist in Chicago, IL is $72,776.00, according to ZipRecruiter salary data. Most workers in this role earn between $53,100.00 and $85,500.00 per year, depending on experience, location, and employer.

What is a weekend microbiologist?

Weekend Microbiologists are laboratory professionals who work primarily on weekends to conduct microbiological testing and analysis. Their responsibilities include identifying and studying microorganisms such as bacteria, viruses, fungi, and parasites in various samples. These specialists often work in clinical, environmental, or industrial labs to support ongoing research or ensure quality control when standard weekday staff are off-duty. Weekend Microbiologists help maintain continuous laboratory operations and ensure timely results for urgent cases or critical processes.

What are the typical responsibilities and challenges faced by a weekend microbiologist?

As a Weekend Microbiologist, you will generally be responsible for conducting laboratory tests, analyzing samples, and ensuring that results are accurate and delivered on time, often with reduced weekday support staff. One challenge is managing time-sensitive testing and troubleshooting equipment issues independently, as technical or supervisory resources may be limited during weekends. Collaboration with other weekend staff, such as lab technicians or quality control personnel, is essential to maintain workflow and compliance with safety protocols. This role is ideal for professionals who are comfortable with autonomy, effective communication, and multitasking in a fast-paced laboratory environment.

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

To thrive as a Weekend Microbiologist, you need a solid background in microbiology, laboratory techniques, and typically a bachelor's degree in microbiology or a related field. Familiarity with laboratory information management systems (LIMS), aseptic techniques, and equipment such as autoclaves and microscopes is essential. Keen attention to detail, strong problem-solving skills, and the ability to work independently are important soft skills for this role. These abilities ensure accurate test results, maintain laboratory safety standards, and support efficient weekend operations when resources may be limited.

What is the difference between Weekend Microbiologist vs Weekend Laboratory Technician?

AspectWeekend MicrobiologistWeekend Laboratory Technician
CredentialsBachelor's in Microbiology or related field, possibly certificationAssociate's or Bachelor's in Laboratory Science or related field
Work EnvironmentMicrobiology labs, healthcare, or research facilitiesGeneral clinical or research laboratories
Job FocusMicrobial analysis, pathogen identification, quality controlSample processing, equipment maintenance, data recording

Weekend Microbiologists and Weekend Laboratory Technicians often work in similar lab environments and require related credentials. However, microbiologists focus on microbial testing and analysis, while technicians handle routine sample processing and lab support tasks. Both roles are essential in healthcare and research settings, with overlapping skills but distinct responsibilities.

What are the most commonly searched types of Microbiologist jobs in Chicago, IL?

The most popular types of Microbiologist jobs in Chicago, IL are:

Microbiologist

Actalent

Bolingbrook, IL

Contractor

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 days ago


Job description

Job Title: Microbiology Laboratory Technician

Job Description

This role focuses on performing a wide range of microbiological quality control tests to ensure the safety, effectiveness, and regulatory compliance of skincare and sunscreen products. You will work in a cGMP-compliant microbiology laboratory, supporting rapid company growth by delivering accurate, timely testing results and contributing to continuous improvement in quality processes.

Responsibilities

  • Inspect and test products for microbial evaluation at various stages of the production process to determine their quality status.
  • Perform daily cleaning of the microbiology laboratory and equipment while strictly following safety guidelines, company procedures, and policies.
  • Maintain an accurate inventory of supplies and chemicals required for microbial testing, ensuring materials are available when needed.
  • Receive samples for microbial testing, inspect containers for integrity, verify label information, and log samples into the sample receiving logbook.
  • Calibrate microbial testing equipment as required and record all calibration results in the daily logbook.
  • Prepare supplies and perform environmental monitoring (EM) sampling of routine laboratory hoods and scheduled manufacturing and filling areas in accordance with USP <795>.
  • Prepare and autoclave media and reagents required for microbial testing, ensuring proper sterilization and documentation.
  • Conduct growth promotion and sterility testing of new media and reagent lots prior to release, following USP <61> methods.
  • Apply aseptic techniques consistently when performing all microbial testing to prevent contamination and ensure reliable results.
  • Perform Microbial Limit Testing and suitability testing in accordance with USP <60>, <61>, and <62>, Antimicrobial Preservative Effectiveness testing per USP <51>, and water testing in line with USP <1231>.
  • Perform Rapid Microbiological Methods (RMM) testing per USP <1071> on finished products, bulk materials, and stability samples, and schedule testing to support on-time product release.
  • Follow current Good Manufacturing Practices (cGMP) as provided in training, and accurately record, file, and retain paperwork and samples in compliance with cGMP requirements.
  • Adhere to proper gowning procedures and requirements in the microbiology lab during all testing and related activities.
  • Compile and evaluate microbiological data to determine the quality status of bulk products, finished products, stability samples, and other special tests as assigned.
  • Communicate test results, observations, and critical findings clearly and promptly to relevant team members, and participate in team meetings as needed.
  • Demonstrate flexibility to work weekends and late hours when required to meet production and testing demands.

Essential Skills

  • 2–3 years of experience working in a microbiology laboratory within a pharmaceutical, personal care, or industrial environment (1 year may be considered but 2 years is preferred).
  • 2–3 years of QA/QC microbial laboratory experience in the pharmaceutical or related industry.
  • Bachelor’s degree in microbiology, life sciences, or a closely related field.
  • Hands-on experience working under USP testing environments, specifically USP <60>, <61>, <62>, and <51>.
  • Proficiency with autoclave operation for media and reagent preparation and sterilization.
  • Experience with environmental monitoring activities, including adherence to USP <757> guidelines.
  • Experience performing water testing by filtration, including bioburden assessments and plating techniques.
  • Microbiology laboratory practices, including aseptic technique, sterility testing, microbial limit testing, and quality control procedures.
  • Working knowledge of cGMP requirements and experience operating in a regulated laboratory environment.
  • Comfort working with microbial lab media, disinfectants, and chemicals, and using appropriate personal protective equipment such as gloves.

Additional Skills & Qualifications

  • Experience in personal care or industrial laboratory settings is preferred.
  • Familiarity with rapid microbiological methods (RMM) and USP <1071> testing is beneficial.
  • Ability to compile, interpret, and report microbiological data accurately and clearly.
  • Demonstrated ability to work with minimal supervision while maintaining high standards of quality and compliance.
  • Strong sense of urgency and commitment to meeting or exceeding expectations of internal and external stakeholders.
  • Collaborative, congenial, and engaged team mindset, with a desire to contribute to mutual success within the department and broader organization.
  • Ability to thrive in a dynamic environment and adapt easily to changing situations, requirements, and priorities.
  • Interest in identifying unmet needs and contributing to solutions that support the broader organization.
  • Ability to engage effectively with colleagues from diverse backgrounds, training, and experience.

Work Environment

This is a first-shift role in a cGMP-compliant microbiology laboratory. The typical schedule is either 7:00 a.m.–4:00 p.m. or 8:00 a.m.–5:00 p.m., with flexibility required for a possible rotating schedule and weekend availability in case of overtime. You will work with microbiological media, reagents, disinfectants, and laboratory equipment including autoclaves and filtration systems, following aseptic gowning procedures and established safety protocols. The environment is fast-paced, growth-oriented, and focused on innovation in mineral-based skin care, offering opportunities for professional development and advancement as the facility expands.

Job Type & Location

This is a Contract to Hire position based out of Bolingbrook, IL.

Pay and Benefits

The pay range for this position is $28.00 - $31.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Bolingbrook,IL.

Application Deadline

This position is anticipated to close on Aug 12, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.


Actalent logo

About Actalent

Sourced by ZipRecruiter

Actalent connects passion with purpose. Our scalable talent solutions and services capabilities drive value and results and provide the expertise to help our customers achieve more. Every day, our experts around the globe are making an impact. We're supporting critical initiatives in engineering and sciences that advance how companies serve the world. Actalent promotes consultant care and engagement through experiences that enable continuous development. Our people are the difference. Actalent is an operating company of Allegis Group, the global leader in talent solutions.

Company size

5,001 - 10,000 Employees

Headquarters location

Hanover, MD, US

Year founded

1983

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