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Office Laboratory Assistant Jobs in Riverside, CA

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 ...

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 ...

Back Office - Medical Assistant I

Pomona, CA · On-site

$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 ...

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 ...

... 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 ...

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 ...

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 ...

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 ...

... 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 ...

... 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 ...

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 ...

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 ...

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Office Laboratory Assistant information

See Riverside, CA salary details

$10

$21

$31

How much do office laboratory assistant jobs pay per hour?

As of Jul 26, 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 degree do you need to be a lab assistant?

To be an office laboratory assistant, a high school diploma or equivalent is typically required, though some positions may prefer or require post-secondary education such as an associate's degree or relevant certification. Skills in laboratory procedures, attention to detail, and familiarity with lab equipment are also important for the role.

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 technicians and may use tools like microscopes, centrifuges, and lab software. Attention to detail and basic technical skills 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 industry. Entry-level positions may start lower, while experienced assistants with specialized skills or certifications can earn higher wages. Salaries often 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 cities near Riverside, CA are hiring for Office Laboratory Assistant jobs? Cities near Riverside, CA with the most Office Laboratory Assistant job openings:

Laboratory Assistant - SVOA

Onterris

Orange, CA

$17.25 - $20/hr

Full-time

Posted 28 days ago


Job description

About Us

At Onterris, we build careers grounded in purpose,responsibilityand real-world impact.

"For Planet and Progress" is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected,interwovenand international. Our scientists, engineers, field teams,consultantsand professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.

When you join us,you'renot just forging acareer,you'rejoining a movement. A movement for better thinking, smartersolutionsand lasting impact.

Together, we will advance our way of life and protect the integrity of our environment every step of the way.

A Day in the Life

As a Full-Time Laboratory Assistant based in our Orange, CA Laboratory, you'll step into the lab where every detail matters. You'll play a key role in prepping and handling samples, keeping records accurate, and maintaining a clean laboratory to support on-time results everyday. You'll collaborate with a strong team of committed professionals, contribute to meaningful scientific work, and grow your expertise in a dynamic, quality-driven environment.

The compensation range for this role is $17.25 - $20.00, commensurate with experience, skills, and geographic location.

Department: Semi-Volatiles (SVOA)

Schedule: Sunday - Thursday, 7:00 am - 3:30 pm

To thrive in this role, you'll be comfortable taking ownership of the following responsibilities:

  • Perform dishwashingand cleaning,change gascylindersandperform housekeeping tasksthat can includeroutine repetitive motions such as scrubbing, rinsing, drying, and stacking glassware
  • Sample retrieval,storageand archiving, andresponsible for propersample disposal.
  • Prepare samples and/or reagents according to SOPsandperform support tasks as needed
  • Conduct lab analyses asrequiredand adheretoaccuratedata/record keeping practices;stay current with all SOP readings and any training as assigned
  • Perform calibration verification ofsmalllaboratory equipment such as thermometers and balances
  • Maintain a safe, organized work areaand ensureaccuratelogbook records andaccuratedata entry into LIMS
  • Conduct inventory of laboratory supplies and chemicals and restock laboratory cabinets and storage areas with as needed
  • Comply with Quality Assurance Program and other policies
  • Comply with company's Health and Safety Plan
  • Other duties as assigned by the Group Leader or Lab Director
Your Expertise and Skills

These requirements reflect the knowledge, skills and abilities that help you do your best work here.

  • High School Diploma
  • Basic laboratory techniques (knowledge of PPE, use of balance, pipetting, glassware handling, etc)
  • Basic Excel skills required
  • Must be comfortable working with strong acids and solvents
  • Excellent communication skills required
  • Detailoriented

Preferred Skills

  • Prior Laboratory experience preferred bot not required
  • Knowledge of analytical method, analytical instruments, general lab practices and lab safety
  • Ability to work independently and in a team
  • Good organizational skills and strong communication skills
Work Environment and Physical Requirements

The physical and environmental requirements below reflect what's typically needed to perform the essential functions of this role safely and effectively. We may provide reasonable accommodations to qualified individuals with disabilities, consistent with applicable law, to support performance of the essential functions.

  • Sitting, standing, and walking
  • Must be able to work in a stationary position for entire shift duration
  • Lifting and moving up to 25 lbs independently and 50 lbs using assisted lifting equipment
  • Works in an office and/or laboratory environment

Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients' resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit www.onterris.com.

We are an equal opportunity employer and encourage applications from people of all backgrounds. We acknowledge that these experiences and perspectives help to enrich our teams and contribute to our ongoing success. We are committed to providing access and reasonable accommodation in our employment for all applicants. For US residents, click here to learn more.