Entry Level Environmental Science Jobs in Riverside, CA

Salary: $70.43 Hourly
Location : Moreno Valley
Job Type: Per-Diem
Job Number: 26-98702- 02AL
Department: RUHS-Medical Center
Opening Date: 08/05/2026
Closing Date: Continuous
For questions regarding this position, please contact the Recruiter listed in the Supplemental Information section.
ABOUT THE POSITION
Riverside University Health System is seeking a Per Diem - Clinical Laboratory Scientist for the Laboratory of the Medical Center, located in Moreno Valley, CA.
Ideal candidates will bring significant understanding of and experience with blood bank/hematology testing and instrumentation, and have strong knowledge of quality control, quality assurance, and laboratory regulations (CAP, CLIA, AABB, OSHA). They will have the ability to manage multiple priorities within a busy laboratory environment while maintaining accuracy and attention to detail. Please ensure your resume reflects your experience with Blood Bank in detail.
Shifts will generally be 3pm-11:30pm and 11:00pm - 7:30 am, with every other weekend (required), along with holidays and other shift coverage as needed. A valid Clinical Laboratory Scientist (CLS) license (MTA) is required.
Meet the Team!
At Riverside University Health System Medical Center, a dedicated team of healthcare professionals works collaboratively each day to improve lives throughout Riverside County. With nationally recognized programs and specialized services, the organization offers a dynamic environment where diverse talents are valued and team members find meaningful opportunities to contribute to high-quality patient care. To learn more, visit
EXAMPLES OF ESSENTIAL DUTIES
• Performs a range of general clinical laboratory work such as hematological, serological, chemical, bacteriological, parasitological, toxicological and radioimmunoassay tests using standardized procedures to determine incidence of disease or abnormal conditions.
• Groups, types, and cross matches blood and determines blood count.
• Performs qualitative and quantitative chemical analyses of blood, urine, and other body fluids.
• Operates and maintains manual and automated laboratory equipment.
• Prepares culture media, stains, and reagents; may maintain records of stock levels of various chemicals, reagents and diagnostic products in a section of the clinical laboratory.
• Analyzes and interprets laboratory data which may include the review of quality control reports to assure that test results are within proper parameters.
• May participate in the training of entry level and student clinical laboratory technology personnel.
• Maintains records and makes reports.
MINIMUM QUALIFICATIONS
Recruiting Guidelines
Knowledge of: Principles, techniques, equipment, and terminology necessary for the full range of laboratory diagnosis of diseases and abnormal conditions; Common disease causes; Methods of transmission and control of communicable diseases; Proper laboratory safety procedures.
Ability to: Operate, calibrate, and maintain technical laboratory equipment; Skillfully perform a wide range of difficult standardized laboratory test; Maintain technical records and prepare reports; Establish and maintain effective working relationships with fellow employees; Assist in the instruction of entry level and student clinical laboratory technology personnel in laboratory techniques and procedures.
License: Possession of a valid Clinical Laboratory Scientist license issued by the State of California Department of Public Health.
SUPPLEMENTAL INFORMATION
For questions regarding this recruitment contact the recruiter, Angela Levinson: or 951-955-5562.
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: TMP
Per Diem employees participate in the 401(a) Temporary and Part-Time Employees' Retirement Plan and are required to contribute 3.75% of salary to the pension plan. The County contributes a matching amount.
01
Do you possess a valid Clinical Laboratory Scientist License issued by the State of California Department of Health Services?

• Yes
• No

02
How many years of experience do you have performing the duties of a CLS (generalist) in a large hospital laboratory or a health system, multi-facility laboratory?

• Less than 1 year
• 1 year but less than 2 years
• 2 years but less than 3 years
• 3 years but less than 4 years
• 4 years but less than 5 years
• 5 years or more

03
How many years of experience do you have specifically performing Blood Bank and Hematology testing (including antibody identification, CBCs, differential counts, coagulation studies, and body fluid analysis)?

• Less than 1 year
• 1 year but less than 2 years
• 2 years but less than 3 years
• 3 years but less than 4 years
• 4 years but less than 5 years
• 5 years or more

04
Please acknowledge that you are able to commit to an evening/overnight shift schedule that at a minimum includes every other weekend, along with holiday and other shifts as required/operationally necessary.

• Yes
• No

Required Question