Technologist - Toxicology

Covance Inc.
San Antonio, TX

Labcorp is seeking a Technologist to join the Toxicology Department in San Antonio, TX

Work Schedule: Tuesday–Saturday, with the possibility of rotating Mondays as needed. Start time is 7:00 a.m.; end time may vary based on workload and operational needs. Overtime is minimal and typically averages fewer than 10 hours per pay period.

Job Responsibilities

  • Determine the acceptability of specimens for testing according to established criteria
  • Perform routine and complex toxicology testing procedures in accordance with departmental Standard Operating Procedures (SOPs)
  • Monitor, operate, and troubleshoot laboratory instrumentation to ensure proper functionality
  • Demonstrate the ability to make technical decisions regarding testing and problem-solving
  • Prepare, test, and evaluate new reagents or controls
  • Report accurate and timely test results to support quality patient care
  • Perform and document preventive maintenance and quality control procedures
  • Identify and replenish testing bench supplies as needed
  • Assist with specimen processing when required
  • Maintain a safe work environment and use appropriate personal protective equipment (PPE)

Minimum Qualifications

  • Bachelor’s degree in Chemical Science, Biological Science, Clinical Laboratory Science, or Medical Technology
  • One (1) year of clinical laboratory testing experience OR a Medical Laboratory Scientist (MLS) degree

Preferred Qualifications

  • ASCP or AMT certification

  • 2 or more years of experience performing toxicology and/or chemistry testing in a clinical or laboratory setting.

Additional Job Standards

  • Proficient with computers; Familiarity with laboratory information systems

  • Ability to work independently and within a team environment

  • High level of attention to detail along with strong communication and organizational skills

  • Able to pass a standardized color blindness test

  • Flexibility to work overtime or other shifts depending on business needs

At Labcorp we have a passion in helping people live happy and healthy lives. Every day we provide vital information that helps our clients and patients understand their health. If you are passionate about helping people and have a drive for service, then Labcorp could be a great next career step!

Benefits: Employees regularly scheduled to work 20 or more hours per week are eligible for comprehensive benefits including: Medical, Dental, Vision, Life, STD/LTD, 401(k), Paid Time Off (PTO) or Flexible Time Off (FTO), Tuition Reimbursement and Employee Stock Purchase Plan. Casual, PRN & Part Time employees regularly scheduled to work less than 20 hours are eligible to participate in the 401(k) Plan only. Employees who are regularly scheduled to work a 7 on/7 off schedule are eligible to receive all the foregoing benefits except PTO or FTO. For more detailed information, please click here .

Labcorp is proud to be an Equal Opportunity Employer:

Labcorp strives for inclusion and belonging in the workforce and does not tolerate harassment or discrimination of any kind. We make employment decisions based on the needs of our business and the qualifications and merit of the individual. Qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), family or parental status, marital, civil union or domestic partnership status, sexual orientation, gender identity, gender expression, personal appearance, age, veteran status, disability, genetic information, or any other legally protected characteristic. Additionally, all qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law.

We encourage all to apply

If you are an individual with a disability who needs assistance using our online tools to search and apply for jobs, or needs an accommodation, please visit our accessibility site or contact us at Labcorp Accessibility. For more information about how we collect and store your personal data, please see our Privacy Statement .

Posted 2026-04-17

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