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Weekend Microbiologist Jobs (NOW HIRING)

Purpose Statement The Senior Food Microbiologist provides expert technical leadership in supporting product development, product testing, food safety troubleshooting, microbiological risk mitigation ...

Microbiologist II

Costa Mesa, CA · On-site

$25 - $38/hr

Pyramid Pharma Services is searching for a Microbiologist II to serve as the technical Subject Matter Expert with regards to environmental control in an aseptic processing operation, and all other ...

SNF Holding Company is seeking a Microbiologist with proven experience in biocide applications for the oil and gas (O&G) industry. In this role, you will contribute to and actively participate in ...

Microbiologist

Warren, MI · On-site

$30/hr

Job Overview US Cannalytics is seeking a Microbiologist who is looking for a challenging position in an independent, state-licensed testing laboratory serving the Michigan cannabis market. The ...

Microbiologist II

Monrovia, CA · On-site

$80K - $110K/yr

Perform routine microbiological testing, including: a.Environmental Monitoring (Viable and Non-Viable) b.Water system testing (bioburden/HPC, endotoxin/LAL, TOC, conductivity/resistivity as ...

MAIN JOB RESPONSIBILITIES / COMPETENCIES 1. Develop and execute plans to expand QC laboratory capabilities for microbiology, to include, but not limited to: a. identification and purchase of ...

Microbiologist I Position Summary... Join a company where you can make a difference from day one ... Flexible hours such as early, late and weekend shift may be required. Work Restrictions: Because of ...

Microbiologist I

Oklahoma City, OK · On-site

$21 - $23/hr

Microbiologist I Position Summary... Join a company where you can make a difference from day one ... Flexible hours such as early, late and weekend shift may be required. Work Restrictions: Because of ...

Microbiologist II

Costa Mesa, CA · On-site

$25 - $38/hr

Pyramid Pharma Services is searching for a Microbiologist II to serve as the technical Subject Matter Expert with regards to environmental control in an aseptic processing operation, and all other ...

Working knowledge of traditional microbiological techniques such as spread plating, pour plating, bioburden (membrane filtration) and/or endotoxin (LAL) testing. * Familiarity with documentation and ...

Microbiologist I

Columbia, SC · On-site

$25.38 - $27.58/hr

The Microbiologist I is responsible for all duties related to performing environmental monitoring, personnel monitoring, microbial enumeration, microbial identification, and sampling of utilities.

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How much do weekend microbiologist jobs pay per year?

As of Jun 1, 2026, the average yearly pay for weekend microbiologist in the United States is $70,647.00, according to ZipRecruiter salary data. Most workers in this role earn between $51,500.00 and $83,000.00 per year, depending on experience, location, and employer.

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 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 Weekend Microbiologists?

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 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 cities are hiring for Weekend Microbiologist jobs? Cities with the most Weekend Microbiologist job openings:
What are the most commonly searched types of Microbiologist jobs? The most popular types of Microbiologist jobs are:
What states have the most Weekend Microbiologist jobs? States with the most job openings for Weekend Microbiologist jobs include:

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Posted 2 days ago


Job description

Rich's, also known as Rich Products Corporation, is a family-owned food company dedicated to inspiring possibilities. From cakes and icings to pizza, appetizers and specialty toppings, our products are used in homes, restaurants and bakeries around the world. Beyond great food, our customers also gain insights to help them stay competitive, no matter their size. Our portfolio includes creative solutions geared at helping food industry professionals compete in foodservice, retail, in-store bakery, deli, and prepared foods, among others. Working in 100 locations globally, with annual sales exceeding $4 billion, Rich's is a global leader with a focus on everything that family makes possible. Rich's-Infinite Possibilities. One Family.

Purpose Statement

The Senior Food Microbiologist provides expert technical leadership in supporting product development, product testing, food safety troubleshooting, microbiological risk mitigation and innovation initiatives. This role supports internal and external stakeholders through product shelf life studies, challenge studies, evaluating raw materials against microbiological specification, leading microbiological investigations using advanced molecular & analytical tools, validating emerging microbiological technologies, and the maintenance of compliant testing methodologies. The position manages both internal and external microbiology laboratory networks and ensures that sensitive technical information is accurately interpreted, stored, and communicated to senior Quality Assurance & Food Safety leadership.

The Senior Microbiologist ensures microbiological safety and product quality in alignment with internal standards, customer expectations, and state/federal regulations. The ideal candidate is highly analytical, detail-oriented, and comfortable collaborating cross-functionally with RIC, Procurement and Supply Chain. 

This role is based in Buffalo, NY, with expected travel of up to 25%.

Key Accountabilities and Outcomes

Apply advanced knowledge of food microbiology to support food product development, design, execute and interpret microbial shelf life studies for new and existing product. 
Support Product Development with microbial risk assessment and advice on formulation, processing and preservative strategies. 
Plan, organize, and execute moderate scope microbiology projects, including experimental design and method development. Develop and optimize study protocols, sampling plans and analytical approaches ensuring scientific and regulatory compliance. 
Conduct necessary microbiological analyses including culturing, incubation, detection, microscopy, molecular methods, analytical testing, and statistical interpretation.
Verify and validate microbial control aspects of manufacturing processes.
Ensure the accuracy and reliability of analytical results and maintain a sanitary, safe, and compliant laboratory environment. 
Troubleshoot moderate complexity technical issues and develop scientifically sound solutions.
Operate, maintain, and manage microbiology equipment and laboratory spaces, including BSL 2 and BSL 3 environments. 
Maintain inventories, laboratory notebooks, and digital records; Have experience of utilizing Laboratory Information Management Systems (LIMS).
Design and execute stability testing, and microbial challenge studies to assess product process, and package stability.
Investigate product spoilage and support problem solving across business units.
Collaborate with external laboratories, academic partners, suppliers, and equipment vendors as needed.
Utilize advanced molecular testing techniques (e.g., PCR, PFGE, MLST, WGS) and platforms such as Illumina and BioLog.
Review, evaluate and approve raw material, ensuring supplier compliance with microbiological specifications. Partner with procurement, supply QA to support raw material risk assessment, supplier qualification and corrective action/RCA. 
Audit and qualify microbiological labs and lab material suppliers.
Support Rich Products business objectives through related responsibilities as assigned.
Evaluate and verify emerging microbiological technologies to enhance product safety and shelf life. 
Represent Rich Products as a subject matter expert at professional scientific meetings, working groups, and committees.
Train and monitor new associates or interns, provide technical guidance within the microbiological business partner. 

Knowledge, Skills, and Experience

B.S. in Microbiology, Food Science, or related field with 6+ years of relevant food industry/Microbiological or Molecular laboratory experience; OR
M.S. in related discipline with 4+ years of experience. 
Hands-on experience with challenge studies, shelf life testing and microbial method development and verification. 
Proficient in advanced microbiological tools, such as WGS, strain typing, PCR, rapid detection methods. 
Deep expertise in food microbiology, food chemistry, food safety systems, manufacturing processes, material specifications, GLPs, auditing, troubleshooting, food spoilage, and foodborne illness control. Knowledge of RPC systems preferred. 
Strong interpersonal skills, attention to detail, critical thinking abilities, and decision making skills. Able to work independently and collaboratively. 
Excellent communication skills, able to translate complex scientific concepts in a clear practical manner to non-technical stakeholders. 
Demonstrated laboratory management experience, including media preparation, rapid microbiological methods, FDA BAM/AOAC methods. 
Proficient in scientific root cause analysis and corrective action development. Excellent technical writing ability, strong analytical, statistical skills. 
Advanced proficiency with Microsoft 365 (Word, Excel, PowerPoint, Power Apps, Teams), SAP, Linux applications, and basic coding. Ability to adopt and leverage AI tools. 
Familiarity with regulatory requirement (FDA, USDA, ISO, AOAC, etc.) 
Strong project planning and management skills. 
Continuous improvement mindset and adaptability to innovative technologies. 

Work Environment & Safety Notice
Research and Development laboratories are not food-allergen-free environments. Individuals with severe food allergies should consider this before applying.
Employees may occasionally be exposed to Cleaning-In-Place (CIP) detergents through smell or incidental contact during routine operations.
Exposure to food ingredients, chemicals, and cleaning agents is expected; appropriate personal protective equipment (PPE) and safety training will be provided to minimize risks.
Work may occur in varying temperature environments, including refrigerated and heated areas.


Physical Requirements
Ability to lift and carry up to 50 lbs safely.
Stand for 6 or more hours during the workday, with opportunities for sitting.
Regular bending, stooping, crouching, and reaching to access equipment, materials, and storage areas.
Ability to work in confined spaces and at various heights, including occasional climbing of ladders or steps.
Push, pull, and maneuver carts, bins, and equipment, including heavy items with the assistance of mechanical aids when necessary.
Manual dexterity and fine motor skills for handling small components and operating precision instruments.
Ability to use hand tools and equipment safely and effectively as required for operating various laboratory or production equipment.
Sensory ability to compare and distinguish differences in ingredients, materials, and products through taste, smell, touch, and visual inspection.
Ability to follow all safety protocols, including proper lifting techniques and ergonomic practices.

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COMPENSATION

In accordance with state law, the rate or range provided is Rich Products Corporation, its subsidiaries and affiliates ("Rich's"), reasonable estimate of the base compensation for this role. The actual amount may be higher or lower, based on non-discriminatory factors such as experience, knowledge, skills, abilities, shift differential, and location.

Annual Range/Hourly Rate

$84,915.00 - $114,885.00

Rich Products Corporation, its subsidiaries and affiliates ("Rich's"), are committed to a policy of Equal Employment Opportunity, standing up for fairness and maintaining a culture of belonging, to provide an exceptional experience for all. We will not discriminate against an applicant or employee on the basis of race, color, religion, sex, national origin, disability, military or veteran status, or any other Federal or State legally protected classes. The information collected by this application is solely to determine suitability for employment, verify identity, and maintain employment statistics on applicants.

Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and certain state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on Rich's. Please contact Rich's Associate Experience Network at hrhelp@rich.com if you need assistance completing this application or to otherwise participate in the application process.