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Office Laboratory Assistant Jobs in Riverside, CA

CalPortland

Laboratory Assistant

Jurupa Valley, CA · On-site

Job Summary The Laboratory Assistant is a laboratory administrative based role focused on assisting ... Computer literate in MS Office products, specifically in Excel * Basic understanding of laboratory ...

Onterris

Laboratory Assistant - SVOA

Orange, CA

$17 - $20/hr

A Day in the Life As a Full-Time Laboratory Assistant based in our Orange, CA Laboratory , you'll ... Works in an office and/or laboratory environment Onterris is a leading global environmental ...

unicare

Back Office - Medical Assistant I

Pomona, CA

$18.50 - $23.25/hr

... and laboratory. Assist in providing on-going supervision to same staff. * Assist as needed ... Minimum of three-year experience in an outpatient medical clinic or hospital, medical office ...

unicare

Back Office - Medical Assistant I

Pomona, CA

$18.50 - $23.25/hr

... and laboratory. Assist in providing on-going supervision to same staff. * Assist as needed ... Minimum of three-year experience in an outpatient medical clinic or hospital, medical office ...

unicare

Back Office - Medical Assistant I

Ontario, CA

$18.75 - $23.75/hr

... laboratory. Assist in providing on-going supervision to same staff. Assist as needed including ... Zero (0) to two (2) years' experience in an outpatient medical clinic or hospital, medical office ...

unicare

Back Office - Medical Assistant I

Fontana, CA

$18.75 - $23.75/hr

... laboratory. Assist in providing on-going supervision to same staff. Assist as needed including ... Zero (0) to two (2) years' experience in an outpatient medical clinic or hospital, medical office ...

unicare

Back Office - Medical Assistant I

Fontana, CA

... laboratory. Assist in providing on-going supervision to same staff. Assist as needed including ... Zero (0) to two (2) years' experience in an outpatient medical clinic or hospital, medical office ...

unicare

Back Office - Medical Assistant I

Moreno Valley, CA

$19.25 - $24.25/hr

... laboratory. Assist in providing on-going supervision to same staff. Assist as needed including ... Zero (0) to two (2) years' experience in an outpatient medical clinic or hospital, medical office ...

unicare

Back Office - Medical Assistant I

Fontana, CA

$18.75 - $23.75/hr

... laboratory. Assist in providing on-going supervision to same staff. Assist as needed including ... Zero (0) to two (2) years' experience in an outpatient medical clinic or hospital, medical office ...

unicare

Back Office - Medical Assistant I

Fontana, CA

$18.75 - $23.75/hr

... laboratory. Assist in providing on-going supervision to same staff. Assist as needed including ... Zero (0) to two (2) years' experience in an outpatient medical clinic or hospital, medical office ...

unicare

Back Office - Medical Assistant I

Colton, CA

$19 - $23.75/hr

... laboratory. Assist in providing on-going supervision to same staff. Assist as needed including ... Zero (0) to two (2) years' experience in an outpatient medical clinic or hospital, medical office ...

unicare

Back Office - Medical Assistant I

Moreno Valley, CA

$19.25 - $24.25/hr

... laboratory. Assist in providing on-going supervision to same staff. Assist as needed including ... Zero (0) to two (2) years' experience in an outpatient medical clinic or hospital, medical office ...

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All JobsOffice Laboratory Assistant JobsOffice Laboratory Assistant Jobs in Riverside, CA

Office Laboratory Assistant information

See Riverside, CA salary details

$10

$21

$31

How much do office laboratory assistant jobs pay per hour?

As of Jun 30, 2026, the average hourly pay for office laboratory assistant in Riverside, CA is $21.12, according to ZipRecruiter salary data. Most workers in this role earn between $17.31 and $24.09 per hour, depending on experience, location, and employer.

What are Office Laboratory Assistants?

Office Laboratory Assistants are support professionals who help ensure the smooth operation of medical or clinical laboratories, often within healthcare offices or clinics. Their duties typically include preparing and organizing laboratory equipment, collecting and processing specimens, maintaining records, and assisting laboratory technologists or technicians with routine tasks. They play a key role in keeping the lab organized and in compliance with health and safety regulations. Office Laboratory Assistants also handle administrative tasks such as data entry and appointment scheduling. Their work supports accurate testing and timely results for patients.

What is the highest salary for a lab assistant?

The highest salary for an office laboratory assistant varies depending on experience, location, and employer, but it can reach up to $50,000 to $60,000 annually in some regions. Advanced certifications and specialized skills may lead to higher compensation in certain industries or institutions.

What does a Laboratory Assistant do?

A Laboratory Assistant supports laboratory operations by preparing samples, maintaining equipment, recording data, and ensuring safety protocols are followed. They often work under the supervision of scientists or lab managers and may use tools like microscopes, centrifuges, and lab software. Attention to detail and knowledge of safety procedures are essential for this role.

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

AspectOffice Laboratory AssistantMedical Laboratory Technician
CredentialsHigh school diploma or equivalent; on-the-job trainingAssociate degree in medical laboratory technology; certification often required
Work EnvironmentOffice settings, clinics, outpatient facilitiesHospitals, diagnostic labs, healthcare facilities
Job DutiesAssisting with specimen collection, clerical tasks, preparing lab areasPerforming tests, analyzing samples, operating lab equipment

While both roles support laboratory operations, Office Laboratory Assistants primarily handle clerical and specimen-related tasks in outpatient or office settings, whereas Medical Laboratory Technicians perform technical testing and analysis in clinical labs. The roles differ mainly in required education, technical responsibilities, and work environment.

What are the key skills and qualifications needed to thrive as an Office Laboratory Assistant, and why are they important?

To thrive as an Office Laboratory Assistant, you generally need a high school diploma or equivalent, attention to detail, and knowledge of basic laboratory procedures. Familiarity with laboratory information systems (LIS), specimen handling protocols, and safety certifications like OSHA or HIPAA compliance are often required. Strong organizational skills, communication, and the ability to multitask effectively are valuable soft skills in this role. These competencies ensure accurate sample management, efficient workflow, and adherence to safety and confidentiality standards in laboratory settings.

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

Office Laboratory Assistants often navigate the challenge of balancing administrative duties with technical laboratory tasks, such as specimen processing and data entry. Managing time efficiently and staying organized is essential to ensure accuracy and meet deadlines. Additionally, working in a fast-paced environment may require quick adaptation to changing priorities and close collaboration with both laboratory staff and administrative teams. Maintaining clear communication and proactively seeking feedback can help manage these challenges effectively.

How much does a lab assistant get paid?

The average salary for an Office Laboratory Assistant typically ranges from $25,000 to $45,000 per year, depending on experience, location, and the specific laboratory environment. Entry-level positions may start lower, while experienced assistants with specialized skills can earn higher wages. Compensation may also include benefits such as health insurance and paid time off.

What qualifications do I need to be a lab assistant?

To become an office laboratory assistant, candidates typically need a high school diploma or equivalent. Relevant skills include attention to detail, basic knowledge of laboratory procedures, and proficiency with laboratory equipment; some positions may require post-secondary education or certifications in laboratory technology or related fields.
What are popular job titles related to Office Laboratory Assistant jobs in Riverside, CA? For Office Laboratory Assistant jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Office Laboratory Assistant jobs in Riverside, CA look for? The top searched job categories for Office Laboratory Assistant jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Office Laboratory Assistant jobs? Cities near Riverside, CA with the most Office Laboratory Assistant job openings:
Office Laboratory Assistant jobs near you
Laboratory Assistant

Laboratory Assistant

CalPortland

Jurupa Valley, CA • On-site

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 12 days ago

Key responsibilities

  • Assist laboratory technicians and research chemists in the preparation of samples for analysis and in testing materials such as concrete, aggregates, cement, mortar, cementitious, and other raw materials, following standard procedures.

  • Support laboratory staff in maintaining and organizing laboratory equipment and ensuring proper sample storage.

  • Maintain clean and orderly workspaces, including department cleaning, routine maintenance, and accurate logging of data and records.

CalPortland rating

7.5

Company rating: 7.5 out of 10

Based on 28 frontline employees who took The Breakroom Quiz

Job description

Job Summary

The Laboratory Assistant is a laboratory administrative based role focused on assisting and performing tasks and routine laboratory operations to ensure smooth workflow. The tasks are assigned by the Quality Control Manager or Laboratory Technicians.

Benefits

CalPortland is proud to offer a comprehensive, competitive benefits package that provides health and financial support to our most important resources: our employees. Your benefits are an important part of your overall compensation at CalPortland. That's why we give you a wide range of benefits to choose from. 

  • Medical, Dental, Vision 
    • low-cost premiums even for family coverage
  • Company-paid life/AD&D insurance
  • Company-paid short-term disability
  • Paid sick/vacation/holiday
  • 401k/Company Funded Pension Program (program is dependent upon location and job type)
  • Employee Assistance Program (EAP)
  • Additional voluntary benefits 
Compensation
Responsibilities
  • Assist Laboratory technicians in the preparation of samples for analysis and in testing concrete, aggregates, cement, mortar, and other materials, following standard procedures
  • Assist Research Chemists in the preparation of samples for analysis and in testing cement, cementitious and other raw materials
  • Support Lab Technicians and Research Chemists in maintaining and organizing laboratory equipment
  • Maintain clean and orderly workspaces, including department cleaning and routine maintenance, as well as proper sample storage
  • Learn and follow standard operating procedures for basic lab tests and equipment use
  • Accurately log data and maintain records in designated logbooks and computer files
  • Report any issues or inconsistencies to the Lab Technicians, Research Chemists, and/or Laboratory Manager
  • Other duties as assigned by the Lab Manager
Education

High school diploma/GED

Requirements/Qualifications
  • Ability to follow instructions and work effectively as part of a team
  • Ability to lift up to 50 pounds, climb stairs, ladders, bend, and work safely throughout laboratory operations
  • Good communication skills and attention to detail
  • Computer literate in MS Office products, specifically in Excel
  • Basic understanding of laboratory safety and procedures
Conditions of Employment

Successful candidate must submit to a post-offer pre-employment physical examination, drug/alcohol screen, and background check. Some positions require Federal Motor Carrier Safety Administration (FMCSA) registration/clearance as well as ongoing alcohol and drug testing.

What CalPortland employees say

Pay

Benefits

Hours and flexibility

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