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Quality Control Laboratory Assistant Jobs in Riverside, CA

QC Lab Tech- Cosmetics

Chino, CA · On-site

$20 - $25/hr

Test pH, viscosity, specific gravity, and other tests as required on QC samples. * Assist with the ... Perform quality control duties as directed by the Laboratory Manager. * Understand, exercise and ...

QC Microbiologist

Chino, CA · On-site

$24 - $30/hr

Our client, a personal care contract manufacturer, is looking for a skilled QC Microbiologist to ... of coursework and laboratory experience in Microbiology. * Knowledge of microbiological ...

QC Chemist III

La Verne, CA · On-site

$92K - $120K/yr

Work with electronic laboratory systems such as LIMS, ELN, LES, and EMPOWER * Troubleshoot instrumentation and test methods within QC jurisdiction, as required. * Support Quality Control functions ...

Work with electronic laboratory systems such as LIMS, ELN, LES, and EMPOWER * Troubleshoot instrumentation and test methods within QC jurisdiction, as required. * Support Quality Control functions ...

Manage laboratory operations, including supplies, testing procedures, and compliance. * Regulatory ... For the role of Quality Control Manager, work is performed in both office and production floor ...

Data Reviewer, Quality Control

Tustin, CA · On-site

$31.63 - $42.16/hr

Conduct GMP review of laboratory notebooks, logbooks, and associate forms. * Conduct GMP review of ... Support QC method validation review, as needed. * Perform review of procedural and method revisions ...

Conduct GMP review of laboratory notebooks, logbooks, and associate forms. * Conduct GMP review of ... Support QC method validation review, as needed. * Perform review of procedural and method revisions ...

DIRECTOR OF QUALITY

Irvine, CA · On-site

$135K - $160K/yr

Oversight of Quality Control laboratory * Ensure that cGMP requirements and quality standards are recognized, understood and maintained across the facility. * Assures facility and equipment systems ...

DIRECTOR OF QUALITY

Irvine, CA · On-site

$135K - $160K/yr

Oversight of Quality Control laboratory * Ensure that cGMP requirements and quality standards are recognized, understood and maintained across the facility. * Assures facility and equipment systems ...

Monitor CCP records and frequencies * Assist QA Manager and QA Coordinator in customer complaints ... Maintain inventory on laboratory supplies * Must follow current Good Manufacturing Practices, Good ...

Quality Control Technician The Quality Control Technician ensures that all products meet established quality and safety standards by performing pre-operational inspections, conducting laboratory ...

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Quality Control Laboratory Assistant information

See Riverside, CA salary details

$12

$23

$42

How much do quality control laboratory assistant jobs pay per hour?

As of Jun 22, 2026, the average hourly pay for quality control laboratory assistant in Riverside, CA is $23.82, according to ZipRecruiter salary data. Most workers in this role earn between $17.07 and $24.09 per hour, depending on experience, location, and employer.

What does a QC lab technician do?

A Quality Control Laboratory Assistant performs tests on raw materials, in-process samples, and finished products to ensure they meet quality standards and specifications. They use laboratory equipment, follow safety protocols, and document test results accurately, often working with analytical tools like spectrometers or microscopes. Attention to detail and knowledge of quality procedures are essential in this role.

What are some typical challenges faced by Quality Control Laboratory Assistants during sample analysis, and how are they managed?

Quality Control Laboratory Assistants often encounter challenges such as handling a high volume of samples, meeting tight deadlines, and ensuring precise adherence to testing protocols. Managing these challenges involves strong organizational skills, meticulous attention to detail, and effective communication with team members and supervisors. Many labs use standard operating procedures and regular training to help assistants maintain accuracy and efficiency, while also fostering a collaborative environment where questions and support are encouraged.

What are the key skills and qualifications needed to thrive as a Quality Control Laboratory Assistant, and why are they important?

To thrive as a Quality Control Laboratory Assistant, you need a solid understanding of laboratory procedures, basic chemistry or biology, and typically an associate's or bachelor's degree in a science-related field. Familiarity with laboratory information management systems (LIMS), analytical instruments like spectrophotometers, and standard operating procedures is important. Attention to detail, strong organizational skills, and effective communication are valuable soft skills in this role. These skills and qualifications ensure accurate testing, compliance with regulations, and the reliability of data in quality assurance processes.

What qualifications do I need to be a lab assistant?

To become a Quality Control Laboratory Assistant, a high school diploma or equivalent is typically required. Relevant skills include attention to detail, basic knowledge of laboratory procedures, and familiarity with testing equipment; some positions may prefer or require additional certifications or training in laboratory techniques.

What is the difference between Quality Control Laboratory Assistant vs Quality Control Technician?

AspectQuality Control Laboratory AssistantQuality Control Technician
CredentialsHigh school diploma or equivalent; some roles may require certificationHigh school diploma; technical certification or associate degree often preferred
Work EnvironmentLaboratory setting, assisting with sample preparation and data entryLaboratory or production environment, performing testing and analysis
ResponsibilitiesSupporting testing processes, maintaining lab equipment, recording dataConducting tests, analyzing results, ensuring quality standards

Both roles operate in laboratory environments within manufacturing or pharmaceutical industries. The main difference lies in responsibilities, with the Laboratory Assistant providing support and preparation, while the Technician performs actual testing and analysis. Understanding these distinctions helps in choosing the right career path or job search focus.

What is a QC lab assistant job description?

A QC lab assistant supports quality control processes by preparing samples, conducting tests, and recording data to ensure products meet quality standards. They often use laboratory equipment, follow safety protocols, and may assist with documentation and reporting. Attention to detail and knowledge of testing procedures are essential for this role.

What are Quality Control Laboratory Assistants?

Quality Control Laboratory Assistants are professionals who help ensure that products and materials meet established quality standards by conducting laboratory tests and inspections. They prepare samples, operate laboratory equipment, record and analyze data, and report any deviations from quality specifications. Their work supports overall product safety and consistency, making them essential to companies in industries like pharmaceuticals, food production, and manufacturing.

What do quality control assistants do?

Quality control laboratory assistants perform tests on products and materials to ensure they meet safety and quality standards. They operate laboratory equipment, record data accurately, and follow safety protocols, often working under the supervision of quality managers. Attention to detail and knowledge of testing procedures are essential for this role.
What are the most commonly searched types of Quality Control Laboratory jobs in Riverside, CA? The most popular types of Quality Control Laboratory jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Quality Control Laboratory Assistant jobs? Cities near Riverside, CA with the most Quality Control Laboratory Assistant job openings:
Clinical Laboratory Assistant (Graveyard/Evening Shifts)

Clinical Laboratory Assistant (Graveyard/Evening Shifts)

Riverside University Health System

Riverside, CA • On-site

$42K - $62K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 3 days ago


Riverside University Health System rating

8.2

Company rating: 8.2 out of 10

Based on 24 frontline employees who took The Breakroom Quiz


Job description

Salary : $42,148.76 - $62,714.04 Annually
Location : Moreno Valley
Job Type: Regular
Job Number: 26-98546-01
Department: RUHS-Medical Center
Division: Clinical Laboratory
Opening Date: 04/21/2026
Closing Date: 6/25/2026 10:00 AM Pacific
For questions regarding this position, please contact the Recruiter listed in the Supplemental Information section.
ABOUT THE POSITION
The County of Riverside - Riverside University Health System - Medical Center is seeking to fill a Clinical Laboratory Assistant/Phlebotomist position. The current opening is for evening/graveyard shift (Rotating holidays and weekends are required). This is a full-time, regular position with comprehensive benefits.
Clinical Laboratory Assistants (CLA) prepare and process laboratory specimens according to standardized procedures and operate laboratory equipment according to their scope of work. CLAs also assist with clerical work within the laboratory and perform other related duties as needed.
A valid and current license as a Certified Phlebotomy Technician I issued by the State of California Department of Health Services is a requirement of this position.
Candidates with laboratory experience in an acute care setting are preferred.
Meet the Team!
Every day at Riverside University Health System Medical Center, a dedicated team of healthcare professionals and support staff come together to improve lives across Riverside County. Our nationally recognized programs and specialized services thrive because of the diverse talents and commitment of our team members. No matter your background or skill set, you'll discover meaningful opportunities and a strong sense of purpose here.
To learn more about RUHS Medical Center, please visit
EXAMPLES OF ESSENTIAL DUTIES
• Draws blood from patients in the laboratory or on the wards to obtain samples for testing; receives, logs and prepares blood and other specimens for testing and analysis by clinical laboratory technologists; may prepare specimens for transport to reference laboratories.
• Records specimen analysis information on appropriate forms and in log books and distributes results to physicians and nursing personnel; operates and performs quality control tests on selected automated clinical analyzers.
• Prepares and maintains necessary records and reports, including monthly work load and quality control reports; answers questions in person or by phone from physicians, nursing personnel, and others regarding procedures, scheduling, and results of tests.
• Maintains inventory of laboratory supplies and reorders as necessary; may prepare and inoculate bacteriological media.
• May stain and prepare slides for microscopic examination; may release blood from blood bank; may release bodies from hospital morgue.
MINIMUM QUALIFICATIONS
Education: Graduation from high school, or possession of a Certificate of Proficiency issued by the California State Board of Education, or attainment of a satisfactory score on a G.E.D. test.
License: A valid and current license as a Certified Phlebotomy Technician I issued by the State of California Department of Health Services.
Experience: None Required.
Knowledge of: Common laboratory terminology and equipment.
Ability to: Draw blood from patients; learn elementary laboratory methods, procedures, and measurements; perform basic arithmetic computations; keep accurate records; follow oral and written directions; establish and maintain effective working relationships with others.
SUPPLEMENTAL INFORMATION
For questions regarding this recruitment, contact Anay Sanchez at or 951-955-5893. Please allow 1-2 business days for a response to general inquiries.
APPLICATION INFORMATION
Veteran's Preference
The County has a Veterans Preference Policy applicable to new hires. To qualify, attach the required documents to your job application. Documents include a copy of your (or your spouse's) Member-4 Form DD-214 indicating dates of service. For spousal preference, and as applicable, the following documents: a copy of your marriage certificate, spouse's death certificate, a letter of spouse's disability and/or letter of service-related death (if available) from the U.S. Veteran's Administration. For privacy reasons, it is recommended that you remove your social security information from the document(s). A Human Resources Representative will review the materials and determine if you qualify for veterans' preference. For complete details and documentation requirements, please review the Veterans Preference Policy, C-3 here:
Reasonable Accommodations
The County of Riverside is committed to providing reasonable accommodation to applicants as required by the Americans with Disabilities Act (ADA) and Fair Employment and Housing Act (FEHA). Qualified individuals with disabilities who need a reasonable accommodation during the application or selection process should contact the recruiter for the position noted above. For additional information and/or to obtain the appropriate form for requesting a reasonable accommodation, please visit the Disability Access Office web page located at:
Proof of Education
If using education to qualify or when requested by the recruiter, upload a copy of any license(s), official/unofficial transcript(s), degrees, and/or related employment documents to your NeoGov account at the time of application and before the closing date. Official or unofficial transcripts will be accepted.
If your education was completed outside of the United States, you will need to provide a copy of your Foreign Education Equivalency evaluation from a member of the National Association of Credential Evaluation Services () or Association of International Credential Evaluators, Inc. ().
Work Authorization Requirement
Applicants must be legally authorized to work in the United States at the time of application. The County of Riverside does not participate in visa sponsorship programs, including H1-B visas, and will not provide sponsorship for any employment-based visas.
Equal Opportunity Employer
The County of Riverside is an Equal Opportunity Employer. It is the policy of the County of Riverside to provide equal employment opportunities for all qualified persons. All applicants will be considered without regard to race, color, religion, sex, national origin, age, disability, sexual orientation, gender, gender identity, gender expression, marital status, ancestry, medical condition (cancer and genetic characteristics), genetic information, or denial of medical and family care leave, or any other non-job-related factors.
Pre-Employment
All employment offers are contingent upon successful completion of pre-employment requirements including a criminal background investigation, which involves fingerprinting. (A felony or misdemeanor conviction may disqualify the applicant from County employment). A pre-employment physical examination and background check may be required.
Probationary Period
As an Approved Local Merit System, all County of Riverside employees, except those serving "At Will," are subject to the probationary period provisions as specified in the applicable Memorandum of Understanding, County Resolution, or Salary Ordinance. Temporary and Per Diem employees serve at the pleasure of the agency/department head.
General Information
Current County of Riverside and/or current employees of the hiring department may receive priority consideration. Qualified candidates may be considered for future County vacancies.
Job postings may close without notice based on application volume. Submit your complete application by the recruitment close date; no late applications are accepted. Ensure all relevant experience/education is reflected on your application/resume, as a failure to demonstrate position requirements may disqualify applicants. A description of job duties directly copied from the job classification or job posting will not be considered.
Please read and follow any special application instructions on this posting. Click the 'Apply' link located on this page to submit your application. For additional instructions on the application process, examinations, Veteran's preference, pre-employment accommodation or other employment questions, please refer to our web site,
If you are experiencing technical problems, you may contact the governmentjobs.com applicant support desk Monday through Friday, 6 am to 5 pm Pacific Time at support@governmentjobs.com or toll-free 1-855-524-5627.
BENEFIT PROGRAM: UPE..
MEDICAL/DENTAL/VISION INSURANCE: A choice of different medical, dental and visions plan are available to elect. The County provides a Flexible Benefit Credit contribution as governed by the applicable LIUNA Memorandum of Understanding to contribute towards the cost of these plans.
Note: Employees on assignment through the Temporary Assignment Program (TAP) receive different benefits. See the list
MISCELLANEOUS RETIREMENT: County of Riverside has three retirement Tiers through the California Public Employees' Retirement System (CalPERS).
  • Tier I (Classic Member - Formula 3% @ 60): Applicable to current and former County of Riverside local miscellaneous employees hired prior to 08/24/2012 and did not withdraw CalPERS contributions. The employee contribution is eight (8%) percent.
  • Tier II (Classic Member - Formula 2% @ 60): Applicable to local miscellaneous employees 1) hired after 08/23/2012 through 12/31/2012; 2) Previously employed with another CalPERS contracting public agency or a reciprocal retirement system, with a break in service of less than six months between the separation date with the previous employer and the appointment date with the County of Riverside. The employee contribution is seven (7%) percent.
  • Tier III (PEPRA New Member - Formula 2% @ 62): Applicable to CalPERS local miscellaneous new members hired on or after the implementation of the Public Employees' Pension Reform Act of 2013 (PEPRA) which took effect January 1, 2013. Effective July 1, 2023 employee contributions are 7.25% and will increase to 7.75% effective July 1, 2024.

A new member is defined as any of the following:
  1. A new hire who enters CalPERS membership for the first time on or after January 1, 2013, and who has no prior membership in any California Public Retirement System.
  2. A new hire who enters CalPERS membership for the first time on or after January 1, 2013, and who was a member with another California Public Retirement System prior to that date, but who is not subject to reciprocity upon joining CalPERS.
  3. A member who first established CalPERS membership prior to January 1, 2013, and who is rehired by a different CalPERS agency after a break in service of greater than six (6) months.

CalPERS refers to all members that do not fit within the definition of a new member as "classic members".
Contribution rates are subject to change based on the County of Riverside annual actuarial valuation.
Note:
This summary is for general information purposes only. Additional questions regarding retirement formulas can be sent to or by calling the Benefits Information Line at (951) 955-4981,
Option 2.
If you have prior service credit with another CalPERS agency or within agencies, please contact CalPERS at (888) 225-7377 to determine which retirement tier would be applicable to you. CalPERS is governed by the Public Employees' Retirement Law. The Retirement Law is complex and subject to change. If there's any conflict between this summary and the law, the law will prevail over this summary.
DEFERRED COMPENSATION: Voluntary employee contribution with a choice between two 457 deferred compensation plan options.
VACATION ACCRUAL (Bi-Weekly Accrual):
0 < 3 year = 80 Hours (10 Days)
4 < 9 years = 120 Hours (15 Days)
10 or more years = 160 Hours (20 Days)
Maximum Vacation leave accumulation is 480 hours.
SICK LEAVE: Four (4) hours Sick Leave accrual per pay period with unlimited accrual.
HOLIDAYS: Normally 12 paid holidays per year
BEREAVEMENT LEAVE: Allowed 5 days (3 days are County paid; 2 additional days can be taken from accrued Sick Leave balance)
BASIC LIFE INSURANCE: Equal to one times annual base salary not to exceed $50,000 of term life coverage. Premiums are paid by the County. Additional Supplemental Life plan is available for employee purchase.
DISABILITY:
Employees contribute to State Disability Insurance (SDI), which provides wage replacement benefits for those unable to work due to non-work-related illness, injury, or pregnancy. SDI also includes Paid Family Leave benefits. The wage replacement rate, as defined by current law, is between 60-70% of wages earned during the SDI eligibility period. Benefits can be coordinated with other available leave balances to provide up to 100% of regular pay.
POST RETIREMENT MEDICAL CONTRIBUTION: A monthly contribution is made by the County towards retiree health insurance offered through the County as governed by the applicable Memorandum of Understanding.
OTHER: There may be other benefit provisions as specified in the applicable Memorandum of Understanding. Please contact the recruiter listed on the job posting directly for more information.
01
Have you graduated from high school, or do you possess a Certificate of Proficiency issued by the California State Board of Education, or have you attained a satisfactory score on a G.E.D. test.
  • Yes
  • No

02
Do you possess a valid and current license as a Certified Phlebotomy Technician I issued by the State of California Department of Health Services?
  • Yes
  • No

03
Are you an active regular, temporary or per diem employee of RUHS Medical Center?
  • Yes
  • No

04
How many years of experience do you have as a Phlebotomist in a Medical Center comparable to RUHS-MC (300+ beds/trauma etc)?
  • No experience
  • Less than 1 year
  • 1-2 years
  • 2-3 years
  • 3-4 years
  • 4-5 ...

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