ZipRecruiter

Log In

1

Lab Tester Jobs in California (NOW HIRING)

Cinder LLC

Automation Lab Engineer

Sunnyvale, CA · On-site

$50/hr

Develop and maintain lab automation testing infrastructure. * Support validation testing, debugging, and issue resolution. * Manage lab logistics including inventory and equipment handling.

TridentCare

Lab Assistant

Irvine, CA

$18/hr

Upon specimen arrival, properly marks the location of testing for each ordered test on the ... Routes reference lab specimens, with a copy of the requisition, to the reference lab desk for ...

Omni Design Technologies

Lab Technician

Milpitas, CA

$22.25 - $29.50/hr

We are seeking a skilled and detail-oriented Lab Technician to support our ASIC validation and testing efforts. In this role, you will work closely with engineers to set up and maintain test ...

Midway Staffing

$19.51/hr

Sampling, testing, plating, reading, and recording product test results * Performing lab testing procedures (e.g., environmental swabbing) * Conducting sensory analysis on dairy products like milk

Trident Care

Lab Assistant

Irvine, CA · On-site

$18/hr

Upon specimen arrival, properly marks the location of testing for each ordered test on the ... Routes reference lab specimens, with a copy of the requisition, to the reference lab desk for ...

Omni Design Technologies

Lab Technician

Milpitas, CA · On-site

$22.25 - $29.50/hr

We are seeking a skilled and detail-oriented Lab Technician to support our ASIC validation and testing efforts. In this role, you will work closely with engineers to set up and maintain test ...

Omni Design Technologies

Lab Technician

Milpitas, CA

$22.25 - $29.50/hr

We are seeking a skilled and detail-oriented Lab Technician to support our ASIC validation and testing efforts. In this role, you will work closely with engineers to set up and maintain test ...

Trident Care

Lab Assistant

Irvine, CA

$18/hr

Upon specimen arrival, properly marks the location of testing for each ordered test on the ... Routes reference lab specimens, with a copy of the requisition, to the reference lab desk for ...

TridentCare

Lab Assistant

Irvine, CA

$18/hr

Upon specimen arrival, properly marks the location of testing for each ordered test on the ... Routes reference lab specimens, with a copy of the requisition, to the reference lab desk for ...

Archer

Sr. Lab Test Engineer

San Jose, CA

$130K - $158K/yr

Feedback issues found during integrated lab testing to respective system and software teams, and collaborate on resolution and subsequent verification * Occasional support of on-aircraft functional ...

Laird Connectivity

Supervisor, Testing Lab

Irvine, CA · On-site

The Testing Lab Supervisor oversees the daily operations of a laboratory focused on product testing, quality assurance, and compliance. This role ensures that testing procedures are executed ...

TridentCare

Lab Assistant

Irvine, CA · On-site

Upon specimen arrival, properly marks the location of testing for each ordered test on the ... Routes reference lab specimens, with a copy of the requisition, to the reference lab desk for ...

TridentCare

Lab Assistant

Irvine, CA · On-site

Upon specimen arrival, properly marks the location of testing for each ordered test on the ... Routes reference lab specimens, with a copy of the requisition, to the reference lab desk for ...

HiredFirst

Clinical Laboratory Scientist

Ukiah, CA · On-site

$1.8K - $2.0K/wk

Perform and prioritize lab testing across multiple disciplines * Analyze, validate, and report accurate test results * Ensure specimen integrity and follow QA/QC protocols * Perform blood bank ...

previous page

Showing results 41-60

All JobsLab Tester JobsLab Tester Jobs in California

Lab Tester information

See California salary details

$42

$45

$47

How much do lab tester jobs pay per hour?

As of Aug 12, 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 is a lab tester?

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.

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?

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.

Is it hard to become a lab tester?

Becoming a lab tester typically requires a high school diploma or equivalent, along with relevant technical skills and knowledge of laboratory procedures. Some positions may require certifications or training in specific testing methods, but overall, it is accessible with proper education and attention to detail.
What are popular job titles related to Lab Tester jobs in California? For Lab Tester jobs in California, the most frequently searched job titles are:
What job categories do people searching Lab Tester jobs in California look for? The top searched job categories for Lab Tester jobs in California are:
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 August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $93,755 per year, or $45.1 per hour.

Automation Lab Engineer

Cinder LLC

Sunnyvale, CA • On-site

$50/hr

Contractor

Re-posted 25 days ago

Job description

Title: Automation Lab Engineer
Pay Rate: $50/hr + DOE
Location: Sunnyvale, CA
Type: Full Time
About Our Client
Novus Labs is an engineering company supporting the largest tech companies in bringing some of the most innovative products to market! If you are interested in helping bring the next generation of consumer products to market while working across a multitude of technologies AND developing new technical skills, Novus Labs is a great place to either start your career or continue to evolve it.
About the Role
As an Automation Lab Engineer, you will support and enhance lab-based testing infrastructure for hardware validation. You will collaborate with cross-functional engineering teams to maintain lab environments, automate testing processes, and ensure reliable execution of validation workflows.
What you will be doing:
  • Develop and maintain lab automation testing infrastructure.
  • Support validation testing, debugging, and issue resolution.
  • Manage lab logistics including inventory and equipment handling.
  • Commission and qualify lab equipment and systems.
  • Maintain lab environments and hardware testing setups.
  • Collaborate with engineering teams to troubleshoot issues.
  • Perform hardware rework and preventative maintenance.
  • Establish and maintain routine testing procedures.
  • Monitor test execution using tools such as AWS.
  • Provide on-call support for automated lab systems.

About You
You are a hands-on engineer with strong troubleshooting skills and experience working in lab environments. You are comfortable collaborating across teams and improving processes to enhance testing efficiency and reliability.
Required Qualifications:
  • Experience supporting automated testing infrastructure.
  • Hands-on experience with hardware validation and lab operations.
  • Strong understanding of testing processes and workflows.
  • Experience with AWS or similar tools.
  • Strong troubleshooting skills.
  • Effective communication and collaboration abilities.

Preferred Qualifications:
  • Experience with automated testbeds.
  • Python scripting experience.
  • Familiarity with Android Debug Bridge.
  • Experience with Linux systems.
  • Automotive industry experience.
  • Strong analytical skills.

Applicants must be authorized to work for ANY employer in the US. We are unable to sponsor or take over sponsorship of employment Visas.
About Cinder
Cinder is a people-first staffing and recruiting company committed to creating workplaces where employees feel valued, supported, and engaged. Our mission is to leverage our power as a recruiting and consulting company to build workplaces where people thrive. Backed by our ISO 9001 certification, we deliver high-quality staffing solutions, and our clients have rated us over 100% for multiple quarters. Join us and be part of a team that makes a real impact!

Apply