Posted: Jan 29, 2026
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Toxicology Chemist

Full-time
Salary: $57,696.00 Annually
Application Deadline: Feb 27, 2026
Forensic Toxicology

Duties and Responsibilities:

  • Performs chemical analysis of body fluids, tissues and other specimens for presence of drugs, poisons and other chemicals

  • Organizes and documents chemical analysis data

  • Provides analysis information and testing status

  • Documents analysis results and records the type of analysis ordered

  • Reports testing results to supervisor

  • Stores completed sample materials in the freezer

  • Refers, prepares and sends samples for special testing to outside agencies for analysis

  • Assists in development and modification of analytical methods

  • Conducts parameter checks on instrumentation

  • May testify in court on laboratory test results

  • Performs related duties as required

Minimum Qualifications:

  • Graduation from an accredited college or university with a Bachelor’s Degree in Chemistry or a closely related field and three (3) years chemical analysis experience with biological materials; additional education in a related field may be substituted for experience

  • Must be certified by the American Board of Forensic Toxicology, Analyst or Diplomate in forensic toxicology, or become certified within two years

  • Good knowledge of chemical analysis and laboratory procedures; knowledge of statistical analysis; knowledge of basic personal computer operation

  • Skill to record analysis results accurately

  • Ability to organize and compile data; ability to communicate effectively, both verbally and in writing; ability to operate laboratory instruments such as fume hoods, centrifuges, gas chromatography, atomic absorption spectrophotometer, tissue homogenizer, immunoassay analyzer, analytical balance, micro computer and basic office equipment; ability to establish and maintain effective working relationships with co-workers and County employees.

  • Must have available transportation during entire workday; must have a valid driver’s license.

  • Must secure and maintain a favorable background investigation from Federal Bureau of Investigation and Bexar County Sheriff’s Office

  • Must clear a pre-employment physical and a pre-employment drug screen test

  • May be required to work more than 40 hours during the workweek

Working Environment and Physical Demands:

  • Working conditions are in an office environment

  • Occasionally moves items weighing up to 10 pounds

  • Occasionally move about the office

  • Frequently communicates with others; must be able to exchange accurate information

  • Constantly operates a computer and other office productivity machinery

  • Positions self to perform essential functions

  • Must be able to remain in a stationary position

Working With Bexar County

Bexar County offers employees a competitive salary, retirement, and benefits. Many employee benefits are available to an employee’s spouse/plus one qualifying adult and dependent child(ren). Employee benefits are strategically designed to support an employee and family, work/life balance.