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Lab Assistant Jobs in California (NOW HIRING)

The primary responsibility of the Lab Assistant is to follow and maintain the Art Studio Lab's Policy and Procedure to ensure a safe workspace for all. The Art Department Labs include Sculpture ...

Lab Assistant III COMPANY DESCRIPTION Unio Health Partners (UHP) is a highly differentiated physician practice management platform with the goal of transforming care delivery across the Western ...

Lab Tech Assistant III

Orange, CA · On-site

$17 - $18.50/hr

The primary responsibility of the Lab Assistant is to follow and maintain the Art Studio Lab's Policy and Procedure to ensure a safe workspace for all. The Art Department Labs include Sculpture ...

As a Lab Assistant, you will be responsible for performing visual sanitation inspections of winery equipment, collecting top and bottom samples from wine storage tanks and crush tanks, and becoming ...

As a Lab Assistant, you will be responsible for performing visual sanitation inspections of winery equipment, collecting top and bottom samples from wine storage tanks and crush tanks, and becoming ...

As a Lab Assistant, you will be responsible for performing visual sanitation inspections of winery equipment, collecting top and bottom samples from wine storage tanks and crush tanks, and becoming ...

As a Lab Assistant, you will be responsible for performing visual sanitation inspections of winery equipment, collecting top and bottom samples from wine storage tanks and crush tanks, and becoming ...

Lab Assistant - Part Time

Davis, CA · On-site

$16.90 - $20/hr

The Laboratory Assistant will be responsible for general lab maintenance in our molecular biology lab and controlled plant growth facility, including cleaning and sanitizing laboratory glassware ...

As a Lab Assistant, you will be responsible for performing visual sanitation inspections of winery equipment, collecting top and bottom samples from wine storage tanks and crush tanks, and becoming ...

As a Lab Assistant, you will be responsible for performing visual sanitation inspections of winery equipment, collecting top and bottom samples from wine storage tanks and crush tanks, and becoming ...

Student Lab Assistant

Los Angeles, CA · On-site

$17.90 - $47/hr

Casual/Restricted Duration Limited Job # 30425 Primary Duties and Responsibilities Press space or enter keys to toggle section visibility The Semel Institute is seeking a Student Lab Assistant to ...

Lab Assistant - Part Time

Davis, CA · On-site

$16.90 - $20/hr

The Laboratory Assistant will be responsible for general lab maintenance in our molecular biology lab and controlled plant growth facility, including cleaning and sanitizing laboratory glassware ...

The Laboratory Assistant will be responsible for general lab maintenance in our molecular biology lab and controlled plant growth facility, including cleaning and sanitizing laboratory glassware ...

Summary The Calibration Lab Assistant plays a key role in managing the organization's tool and equipment inventory, ensuring accurate record-keeping and the timely availability of resources. This ...

The Lab/Teaching Assistant communicates with the lead instructor regarding student performance or issues that arise and ensures the delivery of consistent content and testing. The Lab-Teaching ...

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Lab Assistant information

See California salary details

$10

$19

$29

How much do lab assistant jobs pay per hour?

As of May 30, 2026, the average hourly pay for lab assistant in California is $19.98, according to ZipRecruiter salary data. Most workers in this role earn between $16.35 and $22.79 per hour, depending on experience, location, and employer.

What Is a Lab Assistant?

As a laboratory assistant or lab technician, you are responsible for helping scientists conduct experiments in a laboratory environment. You may be asked to prepare, clean, and maintain lab equipment and log readings and results. Your responsibilities may also include performing basic analyses of samples and recording results accurately. Your responsibilities will vary based on the type of lab you work in, but compliance with protocols and commitment to safety and accuracy are critical in any lab.

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

To thrive as a Lab Assistant, you need a basic understanding of laboratory procedures, safety protocols, and often an associate degree or relevant coursework in science. Familiarity with laboratory information management systems (LIMS), standard lab equipment, and proper sample handling techniques is typically required. Attention to detail, strong organizational skills, and effective teamwork are essential soft skills for this role. These skills ensure accurate results, maintain lab safety standards, and support smooth laboratory operations.

What are some common challenges faced by Lab Assistants, and how can they be managed effectively?

Lab Assistants often encounter challenges such as managing multiple tasks under tight deadlines, maintaining strict adherence to safety protocols, and ensuring the accuracy of data collection. To manage these effectively, it's important to stay organized, communicate proactively with supervisors and colleagues, and remain attentive to details when handling samples or preparing equipment. Many labs offer training on safety and procedures, so taking advantage of these resources can help new hires adapt quickly and perform confidently in their roles.

What are lab assistants?

Lab assistants are professionals who support scientists, researchers, or instructors by preparing laboratory equipment, conducting routine experiments, and maintaining a clean and organized work environment. They may also be responsible for recording data, managing supplies, and ensuring that safety protocols are followed. Lab assistants work in various settings, including educational institutions, research facilities, hospitals, and private laboratories.

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

AspectLab AssistantMedical Laboratory Technician
Required CredentialsHigh school diploma or equivalent; on-the-job trainingAssociate degree in medical laboratory technology or related field
Work EnvironmentHospitals, clinics, research labsHospitals, diagnostic labs, healthcare facilities
Job ResponsibilitiesAssist with sample collection, prepare specimens, maintain lab equipmentPerform complex tests, analyze samples, report results
Industry UsageCommonly used in healthcare and research settingsPrimarily in medical diagnostics and healthcare

While both roles support laboratory operations, Medical Laboratory Technicians perform more advanced testing and require specialized education. Lab Assistants typically handle basic tasks and support lab staff, making them entry-level positions in healthcare labs.

What are the most commonly searched types of Lab jobs in California? The most popular types of Lab jobs in California are:
What are popular job titles related to Lab Assistant jobs in California? For Lab Assistant jobs in California, the most frequently searched job titles are:
What job categories do people searching Lab Assistant jobs in California look for? The top searched job categories for Lab Assistant jobs in California are:
What cities in California are hiring for Lab Assistant jobs? Cities in California with the most Lab Assistant job openings:
Infographic showing various Lab Assistant job openings in California as of May 2026, with employment types broken down into 76% Full Time, 16% Part Time, 5% Temporary, and 3% Contract. Highlights an 100% In-person job distribution, with an average salary of $41,562 per year, or $20 per hour.
Lab Assistant

Full-time

Posted 10 days ago


Job description

The UCSF Hair Analytical Laboratory (HAL) - based in the Division of HIV, Infectious Diseases and Global Medicine - analyzes antiretroviral, anti-tuberculosis (anti-TB), antibiotic, and controlled substance concentrations in small hair samples (but may include other biological specimens such as plasma, serum, whole blood, dried blood spot (DBS), urine, nail, etc.) as biomarkers of adherence and exposure to anti-HIV and/or anti-TB therapy and in the context of HIV and TB prevention and treatment studies using assays developed and validated according to the Federal Drug Administration (FDA) guidance for bioanalytical methods and the National Institute of Health's (NIH's) Division of AIDS' (DAIDS) Clinical Pharmacology Quality Assurance Program (CPQA). These hair measures have utility in adherence monitoring to both HIV treatment and pre-exposure prophylaxis. The HAL helps to develop assays for drug levels in hair and performs these assays for a variety of HIV-related studies around the world.

The purpose of this laboratory assistant 1 position is to work closely with all laboratory members in various aspects of research including in aiding in the operation of the Hair Analytical Lab (HAL). Duties include (but not limited to) checking, measuring, and cutting the small hair sample to the Sponsor's determined length and further cutting the samples into smaller pieces into a vial; weighing the appropriate amount of the cut hair per the requested method into a test tube in preparation for the drug analysis; calibrating the laboratory balances; helping to check, print, and file iMonnit  and change the freezer and refrigerator charts; helping to log in hair samples received from clinical studies from the NIH-supported HIV clinical trials network (utilizing the laboratory information management system (LDMS) for specimen tracking and inventory storage); helping to organize inventory and stored hair samples; aiding in calibrating pipettes and fixing equipment; and other miscellaneous office and laboratory duties.
 

 

Required Qualifications:

  • Graduation from high school or a General Education Diploma 
  • One year of laboratory experience or two years of college including courses in the natural, physical or social sciences; or an equivalent combination of education and experience;
  • Knowledge and abilities essential to the successful performance of the duties assigned to the position.
  • Ability to read, write, perform basic mathematical calculations, follow oral and written instructions; and knowledge and abilities essential to the successful performance of the duties assigned to the position. 
  • Proficiency with Microsoft Word, PowerPoint, and Windows OS.

Preferred Qualifications:

  • Bachelor's degree in science-related field
  • Ability to work as part of a diverse team to determine priorities
  • Ability to complete tasks efficiently in order to meet deadlines following standard protocols established by supervisor
  • Experience with specimen tracking systems if possible (we use laboratory information management system (LDMS)
  • Knowledge of microbalance operation and micropipette use
  • Ability to recognize irregularities in study samples
  • Advanced communication skills with inside and outside researchers and clinicians
  • Detail-oriented/Excellent organizations skills
  • Proficient computer skills; operate computer software including our databases (with training), and Microsoft Office
  • Excellent time management skills
  • Knowledge of basic laboratory procedures
  • Familiarity with UCSF protocols and procedures


     

DUTIES & ESSENTIAL JOB FUNCTIONS

Identify the functions or tasks that employees in the job perform. The essential functions should state the purpose of the work and the results to be accomplished, rather than how the function is performed. Of the tasks listed, what percentage of time is devoted to each? The more time employees spend on a function, the more likely it is that the function is essential. Generally, include those functions that account for 10% or more of the work, i.e., key items that contribute significantly to the achievement of the job.  The functions should add up to 100%.

%  

of time

Essential Function (Yes/No)

Key Responsibilities

(To be completed by Supervisor)

70

Yes

Under direct supervision, checking and confirming hair samples, measuring the appropriate length of hair at the Sponsor's request to analyze, cutting the hair sample, and further cutting the hair sample into smaller pieces in a vial; weighing the appropriate amount of the cut hair per the analysis method into a test tube; and calibrating the balances.

30

YesUnder direct supervision, additional duties include (but are not limited to):
    Utilizing the laboratory information management system (LDMS) for specimen tracking and inventory storage to log in samples received by the lab or checking/verifying the samples manually if the sending lab does not use LDMS; communicating with the laboratory coordinator to reconcile any study sample discrepancies upon sample log-in and storing samples in the appropriate cabinet.
    Daily checking and/or weekly printing and filing of the iMonnit freezer/refrigerator charts and documenting in the log book.
    -Aiding in putting away supplies and equipment; fixing laboratory equipment; calibrating micropipettes and equipment; deicing and cleaning of refrigerators/freezers; changing and recharging desiccant for the desiccators, which requires N95 respirator mask FIT testing and medical clearance; organizing supplies and stored hair samples; counting tenofovir urine immunoassay kits received by the lab and sending to other labs; preparing SeroPrEP test kits; placing documents in appropriate binders/folders, if requested; and completing annual laboratory and chemical inventory.
    Submitting weekly updates to the HAL Laboratory Director, QA Director, HAL team, and PI, if required; helping with updating Standard Operating Procedures (SOPs); and scanning/copying lab books, log books, documents for duplication, archiving, and electronic data.
                             

100%

 

(To update total %, enter the amount of time in whole numbers (without the % symbol - e.g., 15, 20) then highlight the total sum (e.g., 1%) at the bottom of the column and press F9. The total sum should add up to 100%.)