Clinical Laboratory Scientist I/II (Medical Technologist) (Open)
County of San Mateo, CA
Clinical Laboratory Scientist I/II
San Mateo Medical Center is currently seeking two Regular/Full-Time Clinical Laboratory Scientists I/II for the night shift. San Mateo Medical Center (SMMC) is a public hospital and clinic system fully accredited by The Joint Commission. SMMC operates outpatient clinics throughout San Mateo County and an acute-care hospital in San Mateo, with a mission to "partner with patients to provide excellent care with compassion and respect." As part of an integrated San Mateo County Health, SMMC serves the healthcare needs of all residents of San Mateo County, with an emphasis on education and prevention.
SMMC Laboratory is looking for experienced Clinical Laboratory Scientists to join our team! Positions are available for Clinical Laboratory Scientists/Medical Technologists in various shifts. Generalists are encouraged to apply as clinical areas include hematology, chemistry, coagulation, and blood banking. Under general supervision, the Clinical Laboratory Scientist I/II (Medical Technologist/Generalist) will perform high and moderate complexity testing and oversee testing of medical laboratory technicians and specimen management by phlebotomists during their shift in order to provide data used in the diagnosis and therapeutic management of diseases.
Distinguishing Characteristics:
Clinical Laboratory Scientist I is the journey level class in the medical technologist series with incumbents performing routine and specialized laboratory tests. This class is flexibly staffed with Clinical Laboratory Scientist II and incumbents are expected to advance to the higher level after gaining experience and demonstrating the required proficiency.
Clinical Laboratory Scientist II is the advanced journey level class in the medical technologist series with incumbents independently performing a variety of complex and specialized laboratory tests. Possession of a Clinical Laboratory Scientist (MTA) license issued by the State of California is required, and 2 - 5 years of experience in medical laboratory work as a licensed technologist is strongly preferred. The ideal candidate will also possess:
- A Bachelor's Degree in Biology, Chemistry, Medical Technology/Clinical Laboratory Science, or another related field.
- Experience with hematology, chemistry and/or blood banking.
Examples Of Duties:
- Perform microbiological examinations on a variety of specimens using morphological, cultural, biochemical, and serological identification of micro-organisms.
- Perform qualitative and quantitative analysis of blood and urine using standard procedures.
- Perform routine hematological examinations such as complete blood count, coagulation studies, sedimentation rate, etc.
- Perform blood banking procedures including typing, grouping, and cross matching of blood for transfusion.
- Perform serological examinations using a variety of techniques on various clinical specimens.
- Prepare culture media, stains, reagents and stock solutions.
- Operate and care for laboratory equipment and assumes responsibility for preventive maintenance.
- Perform all quality control tests required by procedures and prepare quality control reports.
- Maintain records of laboratory results, quality control data, and laboratory procedures.
- Assist in laboratory quality assurance procedures, data gathering and problem-solving.
- Compile and prepare periodic reports.
- Assist in training and guiding laboratory assistants and paraprofessional employees, as well as teaching other technologists' new procedures.
- Perform related duties as assigned.
If designated as the CLS-Blood Bank Specialist:
- Perform and document proficiency testing in the same manner as patient samples.
- Communicate, liaison, instruct, and dialog appropriately with health care providers, patients, and vendors on issues such as test interpretation, recommendations for alternate testing, instrumentation and problems with specimens/methodology
- Identify all simple and some complex antibodies.
- Investigate and develop new/modified blood bank procedures and technical review and monitoring of existing procedures.
- Provide technical expertise in the Blood Bank to establish compliance with any of the regulatory/accreditation agencies' requirements related to testing, training and education, competency evaluation, proficiency testing, validation, standard operating procedures, and performance improvement.
- Manage Blood Bank inventory.
- Review Crossmatches and off shift Antibody IDs.
- Review Transfusion reactions with Lab Director.
Qualifications:
Note: The level and scope of the knowledge, skills and abilities listed below are related to job duties as defined under Distinguishing Characteristics.
Licensure/Certification:
- Possession of a Clinical Laboratory Technologist license issued by the State of California; and/or Clinical Immunohematologist Scientist (MTD) license issued by the State of California.
Education and Experience:
Any combination of education and experience that would likely provide the required knowledge, skills and abilities is qualifying. A typical way to qualify is:
Education: Bachelor's Degree (baccalaureate) in biology, clinical laboratory science, or equivalent major that includes 25 semester or equivalent quarter units of biology courses, which must include genetics and immunology.
Experience: Minimum of two years of experience performing medical laboratory work as a licensed technologist, including at least one year of experience in immunohematology.
Knowledge of:
- Current technology, principles and application of medical examinations such as those commonly used in biochemistry, microbiology, blood banking, hematology and or serology.
- Operation and care of laboratory equipment and instrumentation.
Skill/Ability to:
- Make independent judgments in evaluating the validity of completed laboratory tests.
- Maintain and analyze quality control programs.
- Follow written and oral directions, procedures or instructions.
- Perform serological, parasitological, bacteriological, immunological, hematology, and biochemical tests.
If designated as Blood Bank Specialist:
- Perform biochemical tests and technical test interpretations
- Understand regulatory requirement specific for one's area of expertise
Application/Examination:
Anyone may apply. Responses to the supplemental questions must be submitted in addition to our regular employment application form. A resume will not be accepted as a substitute for the required employment application and supplemental questionnaire. This is a continuous recruitment which may close at any time. The final filing date will be posted 5 days in advance in the County of San Mateo Human Resources Department. The examination process will consist of an application screening (weight: pass/fail) based on the candidates' application and responses to the supplemental questions. Candidates who pass the application screening will be invited to a panel interview (weight: 100%). Depending on the number of applicants, an application appraisal of education and experience may be used in place of other examinations or further evaluation of work experience may be conducted to group applicants by level of qualification. All applicants who meet the minimum qualifications are not guaranteed advancement through any subsequent phase of the examination. All examinations will be given in San Mateo County, California and applicants must participate at their own expense. Applications for this position will only be accepted online. If you are currently on the County's website, you may click the "Apply" button. If you are not on the County's website, please go to to apply. Online applications must be received by the Human Resources Department before midnight on the final filing date.
$123.07k - $162.88k
...Clinical Laboratory Scientist I/II (Medical Technologist) (Open) Print ( Apply Clinical Laboratory Scientist I/II (Medical Technologist) (Open) Salary $123,073.60 - $162,884.80 Annually Location County of San Mateo, CA Job Type Full-Time Job...SuggestedHourly payFull timePart timeWork experience placementImmediate startRelocation packageShift workNight shiftWeekend workDay shiftAfternoon shift$129.31k - $171.08k
...Relief Clinical Laboratory Scientist I/II Print ( Relief Clinical Laboratory Scientist I/II... ...23-R) Department San Mateo Medical Center Opening Date 04/09/2026 Bargaining Unit... ...Laboratory Scientists/Medical Technologists in various shifts. Generalists...SuggestedImmediate startShift workNight shiftWeekend workDay shiftAfternoon shift$45 - $61 per hour
...Twitter) and Facebook. Position Summary: The Clinical Laboratory Scientist (CLS) II is responsible for performing high complexity laboratory... ...duties, and business need.Primary Location: Remote - Open Position (USA)Primary Location Base Pay Range: $45 - $61...SuggestedWork at officeLocal areaRemote workWork from homeFlexible hours- ...Rate: Negotiable Salary: NA $1.00 Responsibilities: Excellent employment opportunity for a Clinical Project Associate - II in the Foster City, CA area. Tracking and preparing study-specific information utilizing databases, spreadsheets,...SuggestedContract work
- ...Clinical Project Associate II Integrated Resources, Inc., is led by a seasoned team with combined decades in the industry. We deliver strategic workforce solutions that help you manage your talent and business more efficiently and effectively. Since launching in 199...Suggested
- ...Clinical Trials Manager II Integrated Resources, Inc., is led by a seasoned team with combined decades in the industry. We deliver strategic workforce solutions that help you manage your talent and business more efficiently and effectively. Since launching in 1996,...
$30k
County of San Mateo is seeking two Clinical Laboratory Scientists I/II for night shifts at San Mateo Medical Center. Responsibilities include performing high complexity testing, overseeing lab technicians, and ensuring data accuracy for patient diagnosis. The ideal candidate...Relocation packageNight shift$60 - $65 per hour
CareDx is seeking a Clinical Laboratory Scientist II in Brisbane, California. The candidate will handle patient samples, ensure quality control, and must hold a CLS license. The position requires a BS/BA in a biology-related field and at least 6 years of clinical laboratory...Hourly payNight shift$31.67 - $49.52 per hour
A leading cancer diagnostics company is seeking a Research Associate II to join their team in Brisbane, California. The role involves developing and validating clinical-grade assays using next-generation sequencing technologies. The ideal candidate will have a Bachelor'...Hourly pay$33.53 - $41.91 per hour
...Health! Organization: PAMF-Palo Alto Medical Foundation MPD Position Overview:... ...receives, handles and processes specimens for Laboratory testing. Interacts with patients of... ...provided prior to start date OR CPT II-Certified Phlebotomy Technician II provided...Full timeLocal areaMonday to FridayShift work$120k - $147k
A biopharmaceutical company in South San Francisco seeks a Senior Research Associate II in Medicinal Chemistry. The role involves applying expertise in organic chemistry to synthesize and characterize novel molecules. Ideal candidates have a B.S./M.S. in Chemistry and...$141.5k
...serious health issues today and address the medical challenges of tomorrow. We strive to... ...Overview: The Principal Machine Learning Scientist II will advance deep learning methods for... .... ~ Ability to reason about open-ended technical problems and define a path...Work at officeLocal areaRelocation3 days per week$140k - $155k
...Clinical Laboratory Scientist III Adela's mission is to deliver innovative and accessible blood tests that harness biology to transform cancer care and improve well-being. The company is developing best-in-class technology to accelerate the diagnosis and improve the...Work experience placementLocal area$68.5 - $85.62 per hour
...Organization: MPHS-Mills-Peninsula Medical Center Position Overview:... ...in assigned areas of the Laboratory to deliver accurate results... ...(as classified by the Clinical Laboratory Improvement Amendments... ...CLSL-CA Licensed Clinical Lab Scientist. TYPICAL EXPERIENCE...Full timeLocal areaShift workNight shiftWeekend work$60k - $65k
...development, and commercialization of clinically differentiated, high‑value healthcare solutions... ...required to accession samples into the laboratory information management system (LIMS) to... ...Held California Clinical Laboratory Scientist (CLS) license. BS/BA in a biology-...For contractorsWork at officeLocal area$136k - $145k
...is seeking a highly motivated Scientist II, Arrayed Screening to join... ...for contributions Excellent medical, dental, and vision coverage... ...health and well-being support Open, flexible vacation policy Paid... ...therapeutics and inform clinical strategy. insitro is advancing...Full timeWork at officeHome officeFlexible hours- ...serious health issues today and address the medical challenges of tomorrow. We strive to have... ...(GEO Tox) is a diverse team of scientists with the goals of supporting patient, environmental... ...(SDS). Qualifications Sr. Scientist II Qualifications: Bachelor’s Degree in toxicology...Contract workTemporary workLocal area
- ...California CLS Required) – Fertility Clinic Job Summary The... ...andrology and reproductive laboratory procedures within a... ...train andrology and laboratory technologists . Ensure staff competency... ...California Clinical Laboratory Scientist (CLS) License issued by the...Weekend workEarly shift
- ...is dedicated to advancing human health by ensuring that drug discovery and development teams have the facilities and supporting laboratory animal services they need to successfully conduct effective animal research studies. At Mispro, we handle the operational complexities...Full timeFlexible hoursShift workWeekend workDay shift
- Scientist II - Oligonucleotides South San Francisco, United States | Posted on 03/20/2026 Our client, leadingleader in biotechnology and... ...production and delivery timelines Maintain and operate laboratory equipment including oligo synthesizers, HPLC systems, and desalting...
- A biotechnology consulting firm is seeking a highly motivated Scientist II - Oligonucleotides in South San Francisco. This role involves supporting the discovery and development of oligonucleotide therapeutics, working with cross-functional teams, and maintaining lab productivity...
- ...Clinical Project Associate Integrated Resources, Inc is a premier staffing firm recognized as one of the tri-states most well-respected professional specialty firms. IRI has built its reputation on excellent service and integrity since its inception in 1996. Our mission...
- ...Clinical Project Associate Integrated Resources, Inc., is led by a seasoned team with combined decades in the industry. We deliver strategic workforce solutions that help you manage your talent and business more efficiently and effectively. Since launching in 1996,...
- ...Responsibilities: Excellent employment opportunity for a Clinical Research Associate in the South San Francisco area. Assists... ...and trainings at all times Must be current and up to date with industry regulations Phase I II Oncology experience...Contract work
$32 - $38 per hour
...Manufacturing Assembler or Technician (I/II/III), Endoscopy Neptune Medical, is an innovative, venture capital funded medical device startup headquartered in Burlingame, CA. We have already commercialized novel medical devices using our technology. Now the team at Neptune...Hourly payWork experience placementLocal areaFlexible hours$32.25 - $40.36 per hour
...service and support of laboratory equipment and... ...coordinate with Level II's and vendors to... ...to the service of clinical laboratory... ...skills. Adaptable, open to change, and the... ...health benefits (medical, dental, vision)... ...doctors, laboratory scientists, business professionals...Contract workImmediate startWorldwide- ...development, and commercialization of clinically differentiated, high-value healthcare solutions... ...on‑site in Brisbane, CA The Clinical Laboratory Scientist (CLS) performs testing in the CLIA‑... ...clinical laboratory experience. CLS, II: Fully meets the qualifications listed...Full timeWork at officeLocal areaShift work
$32 - $40 per hour
...Description Job Description Electrical Engineering Technician II Sigma Design is a product development, engineering, and... ...paid holidays. In addition, Sigma Design has multiple options for medical insurance and dental insurance. We also offer voluntary benefits...Work at officeMonday to FridayDay shift$30.44 - $38.05 per hour
...We are so glad you are interested in joining Sutter Health! Organization: MPHS-Mills-Peninsula Medical Center Position Overview: Provides competent distribution of supplies and equipment to the facility departments mostly independently. Performs receiving...Daily paidCasual workWork at officeLocal areaShift workWeekend work- ...parental status, physical or mental disability, sex, sexual orientation, gender, gender identity, gender expression, genetic information, medical information or association with a person(s) or group with one of more of these actual or perceived characteristics. For questions...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Clinical Laboratory Scientist I/II (Medical Technologist) (Open). Be the first to apply!
- bilingual medical scheduler San Mateo, CA
- medical communications San Mateo, CA
- medical San Mateo, CA
- remote medical data entry San Mateo, CA
- medical driver San Mateo, CA
- medical equipment planner San Mateo, CA
- medical electronics San Mateo, CA
- medical oncology San Mateo, CA
- medical review nurse San Mateo, CA
- medical office full time San Mateo, CA



