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Laboratory Operator Jobs in California (NOW HIRING)

Nestle

Operator Laboratory- Relief

Modesto, CA

$25.13/hr

The Lab Operator responsabilities include to test and standardize all finished product prior to ... To participate in required nestle laboratory evaluation programs. Employees shall follow all the ...

UHS

Director of Laboratory

Wildomar, CA · On-site

$126K - $183K/yr

... as a Director of Laboratory! SWHS consists of two acute-care hospitals: Inland Valley Medical ... Rancho's Neonatal Intensive Care Unit (NICU) is operated by Rady Children's. Employee may be ...

UHS

Director of Laboratory

Wildomar, CA

$103K - $135K/yr

... as a Director of Laboratory! SWHS consists of two acute-care hospitals: Inland Valley Medical ... Rancho's Neonatal Intensive Care Unit (NICU) is operated by Rady Children's. Employee may be ...

Actalent

Winery Laboratory Lead

Acampo, CA

$26 - $31/hr

Oversee daily laboratory operations and support lab and QC staff ... Develop and maintain Standard Operating Procedures (SOPs). * Ensure proper calibration, maintenance ...

SGS U.S. Holding Inc.

EMC Laboratory Manger

Milpitas, CA · On-site

$106K/yr

With over 97,000 employees in 130 countries and operating a network of more than 2,400 offices and ... SUMMARY The EMC Laboratory Manager oversees all Electromagnetic Compatibility (EMC) testing ...

SGS

EMC Laboratory Manager

Milpitas, CA · On-site

$106K/yr

With over 97,000 employees in 130 countries and operating a network of more than 2,400 offices and ... SUMMARY The EMC Laboratory Manager oversees all Electromagnetic Compatibility (EMC) testing ...

Sutter Health

Manager, Laboratory Services

Lakeport, CA · On-site

$135K - $216K/yr

... affiliate, operating unit, system standards, and applicable requirements of external agencies ... Oversees, and may directly supervise, the day-to-day operations of the Laboratory and is ...

Veolia Environnement SA

Laboratory Manager

Burlingame, CA · On-site

$49 - $55/hr

... operator and technology provider as well as hazardous waste and pollution treatment leader. It ... Maintains the laboratory as directed for compliance with company hygiene plans. Assist with quality ...

Kelly Services

Laboratory Analyst

Lodi, CA

$28.08/hr

Laboratory Analyst | Lodi, CA Kickstart your scientific career in Molecular Diagnostics! Kelly ® ... Strong communication skills; able to understand and execute complex Standard Operating Procedures ...

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Showing results 21-40

All JobsLaboratory Operator JobsLaboratory Operator Jobs in California

Laboratory Operator information

See California salary details

$18

$36

$61

How much do laboratory operator jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for laboratory operator in California is $36.68, according to ZipRecruiter salary data. Most workers in this role earn between $27.26 and $44.38 per hour, depending on experience, location, and employer.

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

To thrive as a Laboratory Operator, you need a solid understanding of laboratory procedures, safety protocols, and typically a background in chemistry, biology, or a related field. Familiarity with laboratory equipment, data recording systems, and sometimes certifications like OSHA or Good Laboratory Practice (GLP) are commonly required. Attention to detail, strong organizational skills, and effective communication help individuals excel in maintaining accurate records and supporting team operations. These skills and qualifications are crucial for ensuring safe, precise, and efficient laboratory workflows, which support reliable results and regulatory compliance.

What are some common challenges laboratory operators face when working with complex equipment and how can they be managed?

Laboratory Operators often encounter challenges such as troubleshooting sensitive analytical instruments, maintaining calibration standards, and managing multiple tests simultaneously. Staying organized and following strict protocols helps minimize errors and equipment downtime. Regular training and open communication with senior technicians or engineers can also provide valuable support when addressing technical problems. Embracing continuous learning and asking questions when unsure are effective strategies for overcoming these challenges.

What is the difference between Laboratory Operator vs Laboratory Technician?

AspectLaboratory OperatorLaboratory Technician
Required CredentialsHigh school diploma or equivalent; some roles may require certificationsHigh school diploma or equivalent; technical certifications often preferred
Work EnvironmentLaboratories, manufacturing plants, quality control labsResearch labs, clinical labs, industrial testing facilities
Employer & Industry UsageManufacturing, quality assurance, industrial testingHealthcare, research institutions, pharmaceutical companies
Common Search & Comparison IntentYesYes

Laboratory Operators and Laboratory Technicians often share similar roles in laboratory settings, focusing on sample testing and data collection. However, Laboratory Technicians typically have more specialized training and may perform more complex analyses. Both roles are essential in ensuring quality and accuracy in lab results, but Laboratory Technicians often work in more research or clinical environments, while Laboratory Operators may focus on manufacturing or quality control processes.

What is a laboratory operator?

Laboratory Operators are professionals responsible for running and maintaining equipment in scientific labs, assisting with experiments, and ensuring that tests and processes are carried out safely and accurately. They typically handle the preparation of samples, operate instruments, record data, and help maintain a clean and organized work environment. Laboratory Operators work under the supervision of scientists or lab managers and play a crucial role in supporting research, quality control, and product development in industries such as pharmaceuticals, healthcare, and manufacturing.
Laboratory Operator jobs near you
Infographic showing various Laboratory Operator job openings in California as of August 2026, with employment types broken down into 40% Full Time, 58% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $76,290 per year, or $36.7 per hour.

Operator Laboratory- Relief

Nestle

Modesto, CA

$25.13/hr

Full-time

Medical, Retirement

Re-posted 27 days ago

Job description

The Lab Operator responsabilities include to test and standardize all finished product prior to canning or bulk shipment, using the mojonnier testing method, to assure that all product meets minimum standards. To keep corresponding records according to internal and regulatory requirements.To monitor fat and solids concentrations during the processing of each batch. To schedule raw and finished silo usage to ensure proper rotation of product and timely cleaning of equipment.To participate in required nestle laboratory evaluation programs. Employees shall follow all the plant safety and quality rules, report incidents & unsafe conditions immediately and maintain compliance with regulations.

PRIMARY RESPONSIBILITIES:

1. Test and standardize all finished product prior to canning or shipping, adding the necessary quantities of fat, solids or water along with the required amount of vitamins to standardize each batch to the minimum legal requirements.

2. Calculate and convey to the pan operator, any information necessary to achieve desired results during the evaporation process. Provide information to the evaporator operator as to the proper quantities of ingredients to add to each mix. Assure that all silos are rotated properly to assure product is used on a first in first out basis and that silo's are CIP'd in a timely manner,

3. Microscopically check each mix for proper homogenization prior to canning.

4. Re-test samples from each batch after sterilization to verify results. Gather retention samples and rotate same as required by Quality Assurance.

5. Keep the work area clean, clean utensils and vitamins addition mix tank as required, and any other duties which may be assigned.

6. Possible contact with bulk haulers or with other plants to whom we supply bulk ingredients

7. Operation and cleanliness of mettler scale, mojonnier tester, microscope and vitamin addition tank as well as various incidental equipment such as gauges and thermometers.

8. Computer operation is required. Must monitor all equipment to assure correct operation.

9.  Responsible for allocating food additives and for rotating product and lab supplies to assure usage on a first in, first out basis.

10.  Responsible for recording test results from each test performed and for completing tank and mix 0. K. Slips for each silo standardized and each bulk shipment made. This person also completes a batch standardizing reports for all milk processed daily as well as keeping daily inventories on all milk products and ingredients tracking records. Any other record keeping that may be required either internally or by regulatory agencies.

11. Complete sensory on bulk load-outs

12.  Perform SAP transactions as necessary

*Must have a basic understanding of computers in order to operate equipment and to perform SAP transactions

General Expectations:  Employee must come to work promptly and regularly, worxpek under the supervision of others, at times under stressful conditions, work within deadlines, and be able to work professionally with others at all times and in all situations.

The approximate hourly pay for this position is $25.13. Please note that the pay range provided is a good faith estimate for the position at the time of posting. Final compensation may vary based on factors including but not limited to knowledge, skills and abilities as well as geographic location.

Nestle offers performance-based incentives and a competitive total rewards package, which includes a 401k with company match, healthcare coverage and a broad range of other benefits. Incentives and/or benefits packages may vary depending on the position. Learn more at Nestle in the US Benefits | Nestle Careers (nestlejobs.com)


Job Req ID: 405761

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