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Cls Trainee Jobs in Riverside, CA (NOW HIRING)

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Cls Trainee information

See Riverside, CA salary details

$26.6K

$45.4K

$66.2K

How much do cls trainee jobs pay per year?

As of Jun 18, 2026, the average yearly pay for cls trainee in Riverside, CA is $45,414.00, according to ZipRecruiter salary data. Most workers in this role earn between $34,400.00 and $53,200.00 per year, depending on experience, location, and employer.

Is it hard to get into a CLS program?

Getting into a CLS (Clinical Laboratory Science) training program can be competitive, often requiring a relevant bachelor's degree, coursework in biology and chemistry, and sometimes certification or licensing. Admission standards vary by program but generally include a strong academic record and relevant experience or prerequisites.

Is there a high demand for CLS?

The demand for Clinical Laboratory Scientists (CLS) is generally steady due to the ongoing need for diagnostic testing in healthcare. Employment opportunities are expected to grow as laboratories expand and require qualified professionals with certifications and technical skills. Job stability can vary based on location and healthcare industry trends.

What is the difference between Cls Trainee vs Cls Technician?

AspectCls TraineeCls Technician
CredentialsTypically requires a high school diploma or equivalent; training programs providedRequires certification or diploma in clinical laboratory science or related field
Work EnvironmentTraining setting, supervised by experienced staffIndependent work in laboratories, performing tests and analyses
Employer & IndustryHospitals, clinics, diagnostic labs during trainingDiagnostic labs, hospitals, research facilities
Common Search & ComparisonOften compared during career planning or entry-level job searchesCompared for career advancement or certification purposes

The main difference between a Cls Trainee and a Cls Technician is that the trainee is in a learning phase, often undergoing supervised training, while the technician is a qualified professional performing laboratory tests independently. The trainee focuses on gaining skills, whereas the technician applies those skills in a work setting.

What is a CLS Trainee?

A CLS Trainee is an individual undergoing training to become a Clinical Laboratory Scientist (CLS). This role typically involves working under the supervision of licensed professionals to learn laboratory procedures, safety protocols, and diagnostic testing. CLS Trainees gain hands-on experience with laboratory equipment and develop the skills necessary to analyze biological samples. Upon successful completion of the training program and passing required exams, trainees can become certified CLS professionals.

Is becoming a CLS worth it?

A Clinical Laboratory Scientist (CLS) plays a vital role in medical diagnostics by performing laboratory tests and analyzing samples. The position typically requires a relevant degree and certification, offering stable employment and opportunities for specialization, making it a valuable career choice for those interested in healthcare and laboratory work.

Who gets paid more, MLS or MLT?

For a CLS Trainee, salaries vary based on experience and location, but Medical Laboratory Scientists (MLS) generally earn higher salaries than Medical Laboratory Technicians (MLT). MLS professionals typically have a bachelor's degree and perform more complex testing, which is reflected in higher pay. Trainees or entry-level workers usually earn less than fully certified MLS or MLT professionals.

What are the key skills and qualifications needed to thrive as a CLS Trainee, and why are they important?

To thrive as a CLS Trainee (Clinical Laboratory Scientist Trainee), you need a strong background in biology, chemistry, and laboratory procedures, typically supported by a bachelor's degree in a related science field. Familiarity with laboratory information systems (LIS), microscopes, and molecular diagnostic equipment is commonly required, along with compliance training in safety and quality standards. Attention to detail, analytical thinking, and effective communication skills help trainees accurately process samples and report findings. These skills are crucial for ensuring accurate diagnostic results and maintaining high standards of patient care in clinical laboratory environments.

What types of tasks and responsibilities can I expect as a CLS Trainee during my training period?

As a CLS (Clinical Laboratory Scientist) Trainee, you will typically rotate through various sections of the laboratory, such as hematology, microbiology, chemistry, and blood banking. Your daily tasks may include learning to operate specialized lab equipment, performing sample analyses under supervision, documenting results, and adhering to strict safety and quality control protocols. You will work closely with experienced CLS professionals and laboratory supervisors, gaining hands-on experience while gradually taking on more complex responsibilities. This structured training is designed to prepare you for independent practice and eligibility for certification exams, fostering both technical expertise and teamwork skills.
What cities near Riverside, CA are hiring for Cls Trainee jobs? Cities near Riverside, CA with the most Cls Trainee job openings:
Clinical Laboratory Scientist I/II*

Clinical Laboratory Scientist I/II*

San Bernardino County

San Bernardino, CA

$91K - $119K/yr

Full-time

Retirement

Posted 9 days ago


San Bernardino County rating

7.7

Company rating: 7.7 out of 10

Based on 77 frontline employees who took The Breakroom Quiz

365th of 654 rated public administrative organizations


Job description

The Job - Only one application is needed to be considered for both levels - Visit the MOU for more details about the Recruitment & Referral Bonus Program Arrowhead Regional Medical Center (ARMC) is recruiting for Clinical Laboratory Scientists I and II who perform a wide variety of analytic laboratory procedures and apply laboratory policies and processes in the areas of Chemistry, Serology, Hematology, Coagulation, Urinalysis, Blood Bank and Microbiology. Visit to learn more about ARMC's Pathology and Clinical Laboratory. Clinical Laboratory Scientists I are considered Trainees and are eligible for promotion to Clinical Laboratory Scientist II upon receipt of a satisfactory work performance evaluation.

Incumbents must promote within twelve (12) months or be terminated. For more detailed information, refer to the Clinical Laboratory Scientist I job description. Clinical Laboratory Scientists II are considered the Journey-level classification to the CLS series and require the ability to recognize a range of reactions including deviation from the norm.

For more detailed information, refer to the Clinical Laboratory Scientist II job description. EXCELLENT BENEFITS & RETIREMENT To review job- specific benefits, refer to: Summary of Benefits Memorandum of Understanding (MOU) CONDITIONS OF EMPLOYMENT Shift Availability: ARMC is a twenty-four-hour facility; some shifts include weekends and holidays. Applicants must indicate availability for day, swing, night, rotating, weekends, and holidays.

Shift differentials are provided. Pre-Employment Process: Applicants selected for these positions must pass a background investigation, physical, and verification of employment history and education. Work Environment: Incumbents are routinely exposed to dangerous chemicals and infectious materials.

Probationary Period: Clinical Laboratory Scientists I are eligible for promotion to Clinical Laboratory Scientist II upon meeting the minimum qualifications and receipt of a satisfactory work performance evaluation. Incumbents must promote within twelve (12) months or be terminated. Please note: San Bernardino County is not able to consider candidates who will require visa sponsorship at the time of application or in the future.

Minimum Requirements CLINICAL LABORATORY SCIENTIST I OPTION 1 - LICENSURE Must possess and maintain a Clinical Laboratory Scientist (CLS) license issued by the State of California, Department of Public Health. A limited license is not considered qualifying; license must have the "MTA" prefix. NOTE: If applying under this option, candidates must provide their CLS License number and expiration date in the Supplemental Questionnaire of the online application.

OPTION 2 - EDUCATION & PRE-LICENSURE Graduation from a CDPH approved CLS training program AND eligibility to sit for the CDPH approved certification examination for California CLS licensure. NOTE: Candidates applying under this option must attach proof of successful completion of an approved CDPH CLS training program and eligibility to sit for California CLS licensure to their online application. -OR- Students currently enrolled in Arrowhead Regional Medical Center's Clinical Laboratory Scientist Program that are one month (30 days) from successfully graduating are eligible to apply.

NOTE: Candidates applying under this option must attach a letter or notice from their Program Director that indicates they are in good standing in the program and are on-track to graduating within one month (30 days). This option is exclusive to ARMC students and does not apply to students enrolled in programs outside of ARMC. CLINICAL LABORATORY SCIENTIST II Candidates must possess the following License and Experience: LICENSE: Must possess and maintain a Clinical Laboratory Scientist (CLS) license issued by the State of California, Department of Public Health.

NOTE: A limited license is not considered qualifying; license must have the "MTA" prefix. EXPERIENCE: One (1) year of full-time experience as a Clinical Laboratory Scientist. Desired Qualifications Applicants with training from a National Accrediting Agency for Clinical Laboratory Sciences (NAACLS) approved institution are desired.

Selection Process Application Procedure: Applications will be accepted until a sufficient number of qualified applications are received. To receive priority consideration for this excellent opportunity, please complete and submit the online employment application and supplemental questionnaire as soon as possible. Resumes will not be accepted in lieu of the application and/or supplemental questionnaire.

There will be a competitive evaluation of qualifications based on the information provided in your Application and the Supplemental Questionnaire. The most highly qualified candidates, based on the evaluation results, will be referred for an interview. Be sure to include in your application and supplemental questions your experience in meeting the minimum requirements.

All communications regarding the selection process will be via e-mail. Applicants are encouraged to check their e-mail frequently to learn additional information regarding this recruitment. Check your GovernmentJobs account for notifications.

Update your firewalls to allow e-mails from San Bernardino County through governmentjobs.com. Update your Spam, Junk, and Bulk settings to ensure it will not spam/block/filter communications from e-mail addresses with the following domain "@hr.sbcounty.gov". Finally, be sure to keep your personal information updated

Taking these steps now will help ensure you receive all communications regarding this recruitment. To ensure timely and successful submission of your online application, please allow ample time to complete and submit your application before the posted filing deadline. Applicants will be automatically logged out if they have not submitted the application and all required materials prior to the posted deadline.

Once your application has been successfully submitted you will receive an onscreen confirmation and an email. We recommend that you save and/or print these for your records. If you require technical assistance, follow this link to review the Government Jobs online application guide, or contact their Toll-Free Applicant Support line at (855) 524-5627.

Please note that Human Resources is not responsible for any issues or delays caused by the computer or browser used to submit the application. EEO/ADA: San Bernardino County is an Equal Employment Opportunity (EEO) and Americans with Disabilities Act (ADA) compliant employer, committed to providing equal employment opportunity to all employees and applicants. ADA Accommodation: If you have a disability and require accommodations in the testing process, submit the Special Testing Accommodations Request Form within one week of a recruitment filing deadline.

Veterans' Preference: Eligible veterans and their spouses or widows/widowers who are not current County employees may receive additional Veterans' Preference points. For details and instructions on how to request these points, please refer to the Veterans' Preference Policy. For more important details, review the Applicant Information and County Employment Process.


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