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Clinical Laboratory Assistant Jobs in Riverside, CA

... the clinical laboratory and troubleshooting * Performs all aspects of laboratory procedures ... Register results and data in lab journal and LIMS * Assist other personnel and departments when ...

... the clinical laboratory and troubleshooting * Performs all aspects of laboratory procedures ... Register results and data in lab journal and LIMS * Assist other personnel and departments when ...

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Clinical Laboratory Assistant information

See Riverside, CA salary details

$14

$27

$73

How much do clinical laboratory assistant jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for clinical laboratory assistant in Riverside, CA is $27.34, according to ZipRecruiter salary data. Most workers in this role earn between $20.05 and $28.08 per hour, depending on experience, location, and employer.

What is a clinical laboratory assistant?

Clinical Laboratory Assistants are healthcare professionals who support laboratory technologists and technicians by preparing samples, maintaining lab equipment, and performing basic tests. They help ensure accurate and efficient processing of specimens such as blood, urine, and tissue. Their work is essential in aiding doctors to diagnose and treat patients by providing reliable laboratory results. Clinical Laboratory Assistants often work in hospitals, clinics, or diagnostic laboratories, following strict safety and quality protocols.

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

To thrive as a Clinical Laboratory Assistant, you need a solid understanding of laboratory procedures, specimen handling, and a high school diploma or equivalent—often supplemented by a relevant certification. Familiarity with laboratory information systems (LIS), automated analyzers, and safety protocols is typically required. Attention to detail, organizational skills, and effective communication help you work efficiently and accurately in a team environment. These competencies are crucial to ensure precise test results, maintain safety standards, and support the smooth operation of clinical laboratories.

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

AspectClinical Laboratory AssistantMedical Laboratory Technician
CredentialsHigh school diploma or equivalent; on-the-job trainingPost-secondary diploma or certificate in medical laboratory technology
Work EnvironmentHospitals, clinics, diagnostic labsHospitals, diagnostic labs, research facilities
Job DutiesPrepare specimens, maintain lab equipment, assist with testsPerform laboratory tests, analyze samples, record results

While both roles support laboratory operations, Medical Laboratory Technicians typically have formal post-secondary training and perform more complex testing, whereas Clinical Laboratory Assistants focus on specimen preparation and support tasks with less formal education.

How to become a clinical laboratory assistant?

To become a clinical laboratory assistant, candidates typically need a high school diploma or equivalent, along with on-the-job training or a certificate in clinical laboratory procedures. Strong attention to detail, basic knowledge of laboratory equipment, and good communication skills are important, and some positions may require certification or post-secondary education in a related field.

What are the typical interactions between a clinical laboratory assistant and other healthcare professionals during a workday?

Clinical Laboratory Assistants regularly collaborate with medical technologists, laboratory managers, and sometimes directly with nurses or physicians. Their day often involves receiving and labeling specimens, communicating with phlebotomists about sample collection, and ensuring that test results are accurately relayed to the appropriate clinical staff. Effective teamwork and clear communication are essential, as errors in specimen handling can impact patient care. Being proactive and detail-oriented helps Clinical Laboratory Assistants support the broader healthcare team in delivering accurate diagnostic information.
What are the most commonly searched types of Clinical Laboratory jobs in Riverside, CA? The most popular types of Clinical Laboratory jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Clinical Laboratory Assistant jobs? Cities near Riverside, CA with the most Clinical Laboratory Assistant job openings:
Infographic showing various Clinical Laboratory Assistant job openings in Riverside, CA as of August 2026, with employment types broken down into 2% As Needed, 73% Full Time, 17% Part Time, and 8% Contract. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $56,859 per year, or $27.3 per hour.

Clinical Laboratory Scientist l/ll

Agendia Inc.

Irvine, CA

$48 - $53/hr

Full-time

Re-posted 4 days ago


Job description

Description

**Shift will be Wednesday - Sunday 6:00am - 2:30pm


Job Summary:
The CLS works under minimal supervision, and is responsible for complex molecular diagnostic testing laboratory procedures using all types of qualified specimens submitted for testing.   Please note this is a Tuesday through Saturday schedule.  

Essential Duties and Responsibilities:

Laboratory Activities:

  • Exceptional knowledgeable of all techniques involving DNA/RNA extractions, PCR and RT-PCR reactions, DNA sequencing and other molecular genetic techniques
  • Considered by the CLS I staff as a resource for micro array technology, such as, labeling RNA, hybridizing, washing and scanning micro arrays
  • Perform diagnostic laboratory activities on the basis of standard operating procedures
  • Compose and revise Standard Operating Procedures (SOP's) under the direction of the Lab Director, Lab Ops Director or Lab Manager.
  • Consults with the Lab Director, Lab Ops Director or Lab Manager regarding the daily work flow of the clinical laboratory and troubleshooting
  • Performs all aspects of laboratory procedures following safety guidelines and adhering to protocols as it pertains to Agendia, Inc.'s health and safety policies and procedures
  • Responsible for assigned projects (instrument comparisons, instrument calibrations, staff schedules, process improvement, lab training and competency, assay or instrument validation, etc.)
  • Performs other related duties as required or assigned in the laboratory

Post Analytic:

  • Maintain a filling system (paper or electronic) for completed patient data
  • Register results and data in lab journal and LIMS
  • Assist other personnel and departments when requested

Professional:

  • Initiate own career development by being familiar with current literature, seeking out seminars, workshops and other professional meetings relating to professional field.
  • Adhere to various federal and state laws, regulations and guidelines (e.g. California labor laws, OSHA, CLIA, College of American Pathologist, New York State Department of Health, GLP, GCP, HIPAA, ISO 13485, and other as applicable).
  • Exhibit ethical and professional behavior at all times.
  • Maintain patient confidentiality at all times.

The above listing represents the general duties considered essential functions of the job and is not to be considered a detailed description of all the work requirements that may be inherent in the position.


Requirements

Contacts:
This position may interact with all departments within the company as well as outside vendors and regulatory agencies.  

Education and Experience Requirements:

  • At least a Bachelor's degree required
  • 4+ years clinical laboratory experience with a Bachelor's degree and 3+ years clinical lab experience with a Master's degree, or 2+ years clinical lab experience with a doctoral degree.
  • Must have experience with molecular diagnostic techniques, histology techniques, working with databases, microarray analysis, working with quality systems and lab automation and statistical analysis and/or software.

Certificates and License Requirements:

  • California Clinical Laboratory Scientist (CLS) or Clinical Genetic Molecular Biologist Scientist (CGMBS) License or any other specialist license that can perform high complexity molecular testing.

Skills and Qualifications Requirements:
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to individuals with disabilities to perform the essential functions.

  • Must have an exceptional understanding of general laboratory techniques and medical terminology with emphasis for the department specific techniques.
  • Ability to demonstrate a high level of initiative, balanced assertiveness and team orientation.
  • Ability to demonstrate excellent time management skills.
  • Ability to handle biological samples and potentially hazardous chemicals.
  • Ability to operate equipment with proficiently to successfully execute test procedures.
  • Computer skills and laboratory automation knowledge.
  • Exceptional ability to communicate effectively and follow written and verbal instructions.
  • A CLS II must be on-site during testing procedures.

Supervisory Responsibilities:

  • This position requires no formal supervisory responsibilities.

Environment/Safety/Work Environment:

  • General office environment. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
  • Maintains a clean, neat, and orderly work area.
  • Adheres to Department Specific Safety Guidelines.
  • In the absence of the Laboratory Director, Lab Ops Director or Lab Manager, a CLS II must be on-site during testing procedures.

Physical Demands:

  • Standing, sitting, walking, bending, reaching, manual manipulation, and lifting up to 15 pounds.
  • All candidates must take a color vision test.