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Lab Tester Jobs in California (NOW HIRING)

Skyline Urology

Lab Assistant

Torrance, CA · On-site

Maintains lab procedures plan and confidentiality of all lab testing performed. * Create/Maintain ... inventory tracking sheet on excel by division/departments in lab * Perform other duties as assigned ...

Syensqo

Associate Lab Manager

Anaheim, CA · On-site

$98K - $148K/yr

Materials & Testing Associate Lab Manager Job Overview and Responsibilities Be part of a world-class laboratory management team supporting projects that are critical to the success of the Global ...

Syensqo

Associate Lab Manager

Anaheim, CA · On-site

$98K - $148K/yr

Materials & Testing Associate Lab Manager Job Overview and Responsibilities Be part of a world-class laboratory management team supporting projects that are critical to the success of the Global ...

Henkel AG & Co. KGaA

Lab Technician

Santa Clara, CA

$22.25 - $29.75/hr

Execute lab testing and generate test data, documentation and laboratory reports for projects assigned by Engineers and/or Supervisor * Communicate basic observations regarding data and/or ...

Henkel AG & Co. KGaA

Lab Technician

Santa Clara, CA

$22.50 - $29.75/hr

Execute lab testing and generate test data, documentation and laboratory reports for projects assigned by Engineers and/or Supervisor * Communicate basic observations regarding data and/or ...

Enpro

Lab Technician - ICP (2nd Shift)

Milpitas, CA · On-site

$25 - $28/hr

The Lab Technician is responsible for analytical testing on critical parts using ICP-MS and LPC, collaborate with a team to meet customer delivery schedules, work in a cleanroom environment for ...

Trident Care

Medical Lab Technician

Irvine, CA · On-site

$32 - $38/hr

* Performs lab testing in the areas of Chemistry, Hematology, Urinalysis and Coagulation. * Checks the quality control of each test prior to running and reporting patient results. * Calls worklists on ...

TridentCare

Medical Lab Technician

Irvine, CA

* Performs lab testing in the areas of Chemistry, Hematology, Urinalysis and Coagulation. * Checks the quality control of each test prior to running and reporting patient results. * Calls worklists on ...

Trinity Health

$30 - $45/hr

The new lab enables greater operational efficiencies, improved turnaround times to support future ... Performs all laboratory testing, including the pre-examination phase in accordance with standard ...

Semtech

Lab Specialist

San Jose, CA

$30 - $46/hr

Keep testers in over 95% up time (10%) * Preventive maintenance schedule for testers (10%) Minimum Qualifications: * 5+ years of working experience as an Operator or Technician in lab testing * Self ...

Trinityhealth

$30 - $45/hr

The new lab enables greater operational efficiencies, improved turnaround times to support future ... Performs all laboratory testing, including the pre-examination phase in accordance with standard ...

DCS Corporation

MIDS Tester

Ridgecrest, CA · On-site

$70K - $75K/yr

Conduct developmental lab, flight, and ground testing of Link 16 hardware and software. Develop and document test points and test procedures for new software builds and evaluate new software ...

Semtech

Lab Specialist

San Jose, CA · On-site

$30 - $46/hr

Keep testers in over 95% up time (10%) * Preventive maintenance schedule for testers (10%) Minimum Qualifications: * 5+ years of working experience as an Operator or Technician in lab testing * Self ...

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How much do lab tester jobs pay per hour?

As of Jul 2, 2026, the average hourly pay for lab tester in California is $45.07, according to ZipRecruiter salary data. Most workers in this role earn between $43.89 and $46.25 per hour, depending on experience, location, and employer.

What are lab testers and what do they do?

Lab testers are professionals who conduct scientific tests and experiments in a laboratory setting to analyze materials, products, or biological samples. Their work involves following strict protocols to ensure accurate and reliable results, often using specialized equipment and technology. Lab testers may work in industries such as healthcare, pharmaceuticals, environmental science, or manufacturing, and their findings help ensure safety, quality control, and compliance with regulations.

What is the difference between Lab Tester vs Lab Technician?

AspectLab TesterLab Technician
Required CredentialsHigh school diploma or equivalent; certifications varyHigh school diploma; some roles require certifications
Work EnvironmentLaboratories, testing facilitiesLaboratories, research centers, manufacturing plants
Employer & Industry UsageManufacturing, quality control, healthcareHealthcare, manufacturing, research
Common Search & Comparison IntentUnderstanding roles in testing and quality assuranceTechnical support and lab operations

Lab Testers and Lab Technicians often work in similar environments and industries, focusing on testing and quality control. While Lab Testers primarily perform specific tests and inspections, Lab Technicians may handle broader laboratory tasks, including sample preparation and equipment maintenance. Both roles require technical skills and certifications, but Lab Technicians often have more comprehensive responsibilities.

Will AI replace lab technician?

AI technology can assist lab technicians by automating routine tasks such as data analysis and sample processing, but it is unlikely to fully replace them. Lab technicians' expertise in handling complex procedures, troubleshooting, and ensuring safety remains essential in laboratory environments. AI tools are expected to augment rather than replace human roles in labs.

What is a laboratory tester?

A laboratory tester is a professional who conducts experiments and analyzes samples in a laboratory setting to ensure products, materials, or substances meet quality and safety standards. They often use specialized equipment and follow strict protocols, and may require certifications or training in laboratory techniques.

Is there a demand for lab testing services?

Lab testers are in demand across various industries such as healthcare, pharmaceuticals, and environmental testing, driven by the need for quality control, safety, and regulatory compliance. Employment opportunities are expected to grow as testing becomes more essential for product development and public health monitoring, often requiring knowledge of laboratory techniques and certifications.

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

Lab Testers often encounter challenges such as maintaining accuracy under tight deadlines, adapting to rapidly changing testing protocols, and handling complex equipment. To manage these effectively, it's important to develop strong attention to detail, stay updated with the latest industry standards, and communicate proactively with team members. Many labs encourage collaboration and ongoing training, which can help testers address issues efficiently and maintain high-quality results in a fast-paced environment.

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

To thrive as a Lab Tester, you need a background in science (often a degree in chemistry, biology, or a related field), strong analytical skills, and meticulous attention to detail. Familiarity with laboratory equipment, safety protocols, and software for data analysis (such as LIMS) is typically required, and some roles may prefer certifications like ASCP. Excellent organizational skills, communication, and the ability to follow precise procedures are crucial soft skills for success. These competencies ensure accurate test results, maintain lab safety, and uphold quality standards in scientific environments.

What qualifications do I need to be a lab technician?

To become a lab technician, you typically need a high school diploma or equivalent, with many roles requiring an associate degree or a bachelor's degree in fields like biology, chemistry, or related sciences. Relevant skills include attention to detail, familiarity with laboratory equipment, and sometimes certification in safety procedures or specific technical areas.
What are popular job titles related to Lab Tester jobs in CA? For Lab Tester jobs in CA, the most frequently searched job titles are:
Lab Tester jobs near you
Infographic showing various Lab Tester job openings in California as of June 2026, with employment types broken down into 42% Full Time, 52% Part Time, 2% Temporary, 2% Contract, and 2% Nights. Highlights an 57% Physical, 1% Hybrid, and 42% Remote job distribution, with an average salary of $93,755 per year, or $45.1 per hour.
FSQ Lab Technician | 1st Shift

FSQ Lab Technician | 1st Shift

California Natural Products

Lathrop, CA • On-site

$22 - $26/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Job description

Job Type
Full-time
Description
Now Hiring: FSQ Lab Technician 1st Shift
Shift/Schedule: 6:00AM - 6:30PM Alternative Work Schedule
Pay: $22.00 - $26.00 Hourly
Why join our team?
  • Need cash before payday? We've got you covered with on demand pay
  • Quarterly bonuses (based on team achievement and up to 6% of wages)
  • Full benefits package - medical, dental, vision & 401(k) match
  • Generous PTO & holidays
  • Growth opportunities to expand skillsets and enhance career
  • Amazing team & culture focused on:
  • Communication Community Involvement Wellness Employee Activities

Other Benefits & Programs We Offer:
  • Full-time & stable hours - no seasonal cuts!
  • Referral bonus program
  • Tuition reimbursement
  • HSA Medical plan option with annual company contribution
  • Perks at Work - discounts on shopping, travel & more
  • Proven continued business growth for future opportunities

What You'll Do
  • Execute microbiological testing procedures for verifying commercial sterility of finished products.
  • Execute Environmental Monitoring Program.
  • Coordinate storage, organization and shipment of finished product samples.
  • Execute Water Testing Program.
  • Execute Sensory Program for finished products.
  • Create COA and execute communication process for finished products release.
  • Coordinate verification, calibration routines and maintenance program for laboratory equipment and instruments across all labs.
  • Develop and validate quality assurance testing methods.
  • Coordinate external lab testing programs.
  • Provide support and execute positive release process for finished products.
  • Provide contribution towards root cause analysis of customer complaint investigations.
  • Provide contribution towards maintenance and improvement of FSQ documentation practices.
  • Maintain organization, cleanliness and housekeeping of FSQ Lab area.
  • Order and perform inventory control for supplies and reagents.
  • Other duties, as assigned by management.

Requirements
What You'll Need
  • High school diploma or equivalent.
  • Ability to communicate effectively, written and verbally.
  • Ability to document, describe and interpret records and documented specifications.
  • Ability to enforce company procedures and policies.
  • Ability to document inspection findings legibly and with accuracy.

Salary Description
$22.00 - $26.00 Hourly

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