hero

Careers in San Antonio, TX

Explore career opportunities within the San Antonio region.

Hospital - Clinical Lab Assistant-Senior

The University of Texas at San Antonio

The University of Texas at San Antonio

San Antonio, TX, USA
Posted on Dec 4, 2025

Under limited supervision, performs phlebotomy, processes specimens, handles client inquiries, conducts waived testing, contributes to pre-analytic laboratory tasks and assists with bedside procedures.

Working Hours: 11:30AM-8:00PM. 5 days a week. One weekend a month will be required and rotating holidays.


  • Ability to work independently within established guidelines, apply problem-solving skills, meet deadlines and meet urgent patient, provider, and system needs
  • Ability to collaborate with laboratory staff to maintain a clean and organized work environment.
  • Ability to perform waived testing procedures according to established protocols and regulatory guidelines.
  • Knowledge of recording and maintaining accurate documentation of waived test results.
  • Ability to verify the accuracy of patient information and specimen labeling.
  • Knowledge of labeling, documenting, and preparing collected specimens for transport to the laboratory.
  • Knowledge of relevant laboratory safety and infection control protocols.
  • Knowledge of laboratory information systems (LIS) is an asset.
EDUCATION:
  • High school diploma or equivalent
EXPERIENCE:
  • 5 years' experience in phlebotomy and specimen processing within a clinical laboratory setting

  • Perform venipuncture and capillary puncture to collect blood specimens from patients.
  • Ensure patient comfort and safety during the phlebotomy process.
  • Receive and accession specimens into the laboratory information system (LIS).
  • Prepare and aliquot specimens for various laboratory tests following established protocols.
  • Provide information regarding specimen collection, test requisitions, and laboratory procedures.
  • Address inquiries and concerns, escalating complex issues to the appropriate personnel.
  • Assist in the preparation and setup of laboratory equipment and instruments.
  • Ensure the proper handling and transportation of specimens within the laboratory.
  • Inventories supplies, equipment and requisitions as needed.
  • Provides in-service training and precepts lab assistant.
  • Participates in developing best practices in clinical workflows.
  • Perform other duties as assigned