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  3. Clinical Laboratory Scientist (Hematology)
Ascend Clinical logo

Clinical Laboratory Scientist (Hematology)

Ascend Clinical·Sunnyvale, California

$55 - $65/hr·Part Time·On Site·2-5 yrs
·
Posted 13 days ago
Practice for this role

About the role

Perform routine hematology laboratory testing, calibration, and maintenance of instrumentation according to established protocols. Correlate patient data to interpret results and oversee the work of Medical Laboratory Assistants.

Clinical Lab Scientist (Hematology) Location

Sunnyvale, CA Why Ascend? Come work for a company that is transforming the industry! Ascend Clinical, LLC is one of the highest-volume clinical laboratories in the United States, processing millions of tests each month with advanced tools and technology. For over 30 years, we've set the standard for service and excellence in testing.

What sets Ascend apart is our unique combination of clinical and healthcare water testing as we drive innovation across multiple areas of laboratory science.

We're growing rapidly and looking for individuals who thrive in a fast-paced environment, embrace new challenges, and want to help shape what's next.

Job Summary: As a Clinical Laboratory Scientist (Hematology) you will perform routine laboratory testing as well as basic instrumentation maintenance and troubleshooting and accurately perform routine laboratory testing in accordance with protocols established.

The CLS will correlate and integrate other patient data when interpreting test results and report results, which are substantiated by the proper use of appropriate quality control systems.

The CLS will also use professional judgment and have an in-depth knowledge of laboratory techniques, scientific principles, quality control and instrument maintenance.

This is a per diem role.

Essential Functions: Follow all company policies and procedures: general policies, Exposure Control, Chemical Hazard, Illness and Injury Prevention Program and Quality Assurance Program.

Understands the hazards associated with failing to follow those procedures Perform Quality Control (QC) procedures and interpretation of clinical values, including critical values and delta checks.

Knows when test results are reportable and what to do in case of Quality Control failure.

Perform and log routine daily, weekly and monthly maintenance and calibration of laboratory instrumentation according to protocols Perform, evaluate and report all routine laboratory tests in chemistry and/or immunology under the supervision of a licensed Clinical Laboratory Scientist and according to established AC protocols.

Strictly adheres to written procedures Know protocol for handling critical values including rerunning tests, review of past results and phoning unit with results.

Interact with Client Services, when necessary and appropriate, when results need to be phoned.

Handle and investigate complaints, problems and discrepancies, as needed Apply current scientific principles to clinical situations and demonstrate thorough knowledge of instrument operation.

Participate in the Quality Assurance program and in in-service education programs Oversee, review and verify work of Medical Laboratory Assistants (MLA)

Qualifications

Strong Knowledge of accepted clinical laboratory practice and procedures including handling of potentially infectious material and familiarity with California law relating to the practice of medical technology. Moderate computer skills, good quality control and instrument maintenance knowledge. Strong communication skills, both written and verbal. Analytical problem-solving skills, proficiency in performing detailed tasks thoroughly and completely, and the ability to follow complicated instructions with accuracy. Good organizational skills. Strong knowledge of multiple specialties and of quality control and calibration. Strong knowledge of lab equipment and procedures. Clinical Laboratory Scientist license from the State of California Compensation: $55-65/hr Compensation may vary for different individuals in the same role based on several factors, including but not limited to individual competencies, education/professional certifications, experience and performance in the role

Benefits

As an Ascend Clinical employee, you will become part of a company that has received national recognition as a great place to work. We offer excellent full-time benefits including comprehensive medical coverage, life and disability insurance, 401(k) with company match, paid holidays and vacation, personal days, and dental and vision options.

Ascend is an Equal Opportunity Employer - M/F/Disabled/Veteran

Ascend Clinical, LLC is committed to promoting an equal employment opportunity workplace environment and is an equal opportunity employer. It is the policy of the company that all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, citizenship, pregnancy, genetic information (GINA), disability, military and/or veteran status, and/or any other status protected by applicable Federal, state, or local law. The company’s policy is to recruit, hire, train, promote and administer all employment-related matters on the basis of an individual's qualifications, abilities and efforts without regard to protected status.

Requirements

Must possess a valid Clinical Laboratory Scientist license from the State of California. Requires strong knowledge of clinical laboratory practices, quality control, and the ability to handle infectious materials.

  • professional certificate
  • Quality Control
  • Troubleshooting
  • Organizational Skills
  • Communication Skills
  • Instrument Maintenance
  • Calibration
  • Hematology
  • Analytical Problem-solving
  • Clinical Laboratory Practice
  • Patient Data Interpretation

Posting details

Employment type
Part Time
Work arrangement
On Site
Experience
2-5 yrs
Salary
$55 - $65/hr
Location
Sunnyvale, California
Posted
Jul 16, 2026
Closes
Oct 14, 2026
Application
Employer website
Ascend Clinical logo

Hiring organization

Ascend Clinical

Ascend Clinical, LLC is the nation’s leading provider of laboratory testing, environmental water testing, including Legionella and AAMI ST108 Ascend Clinical was founded in Northern California in 2000 as a clinical reference laboratory specializing in testing services for kidney...

Salary listed on 3 jobs
IndustryMedical and Diagnostic Laboratories
TypePrivately Held
Size201-500 employees
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