Job Description
Apply for a full-time Clinical Lab Assistant job in San Antonio, TX. Perform phlebotomy, specimen processing, waived testing, and laboratory support. On-site role with UT Health Science Center.
Job Overview
UT Health Science Center is currently hiring a Clinical Lab Assistant for its on-site laboratory operations in San Antonio, Texas. This full-time role is ideal for professionals with experience in phlebotomy, specimen processing, and clinical laboratory support who are passionate about patient care and accuracy in laboratory services.
Under close supervision, the Clinical Lab Assistant supports pre-analytic laboratory functions, performs blood collection, processes specimens, assists with waived testing, and provides excellent service to patients and healthcare providers.
Key Responsibilities
As a Clinical Lab Assistant, your duties will include:
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Performing venipuncture and capillary puncture to collect patient blood specimens
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Receiving, labeling, and accessioning specimens into the Laboratory Information System (LIS)
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Preparing and aliquoting specimens according to laboratory protocols
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Ensuring proper handling, storage, and transport of specimens
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Conducting waived testing and maintaining accurate documentation
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Monitoring and maintaining laboratory supply inventory
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Assisting with laboratory equipment setup and preparation
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Responding to client, provider, and patient inquiries professionally
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Ensuring compliance with quality control, safety, and infection control standards
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Maintaining a clean, organized laboratory environment
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Performing additional duties as assigned
Qualifications & Requirements
Required Qualifications
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High School Diploma or equivalent
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Minimum 1 year of experience in phlebotomy and specimen processing within a clinical laboratory
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Strong knowledge of specimen labeling, documentation, and transport procedures
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Ability to verify patient information and specimen accuracy
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Experience recording waived test results accurately
Preferred Skills
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Familiarity with Laboratory Information Systems (LIS)
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Strong communication and customer service skills
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Ability to work independently and collaboratively in a team environment
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Knowledge of laboratory safety and infection control protocols
Job Details
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Job Title: Clinical Lab Assistant
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Job ID: 5627
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Location: 7703 Floyd Curl Drive, San Antonio, TX 78229
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Job Type: Full-Time
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Work Schedule: On-site
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Degree Level: High School Graduate or Equivalent
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Department: MSRH Lab Services
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Organization: UT Health Science Center
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Posting Date: December 19, 2025
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Application Deadline: January 18, 2026
Why Join UT Health Science Center?
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Work in a respected academic healthcare environment
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Gain hands-on experience in a professional clinical laboratory
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Be part of a team dedicated to high-quality patient care
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Stable full-time employment with growth opportunities
How to Apply
Interested candidates are encouraged to apply before January 18, 2026. If you have experience in phlebotomy and clinical lab operations and are looking for a rewarding on-site role in San Antonio, this opportunity is for you.
Click Here To Apply

