Employment Opportunity

Supervising Criminalist I

Los Angeles County Medical Examiner - Coroner, Los Angeles, California

Salary: $95,649.84 - $118,818.72 Annually

Final Filing Date: Open until filled

Supervises a team of criminalist personnel assigned to the Forensic Laboratories Division of the Department of Medical Examiner - Coroner.

Positions allocable to this class typically report to Supervising Criminalist II and provide administrative and technical supervision to subordinate personnel performing various qualitative, quantitative or comparative analyses of evidentiary substances required in the investigation of a crime or determination of the causes of death. Incumbents must exercise knowledge of the principles of supervision, rules governing personnel administration, and the provisions of the administrative code. Incumbents must also exercise a thorough knowledge of scientific principles, methods and techniques applicable to the operations of their assigned laboratory section.

Duties and Requirements Click to read more


  • Plans, assigns, supervises and reviews the work of personnel engaged in the examination and evaluation of physical evidence, the identification of narcotics, the identification of toxic substances including alcohol in blood, urine, or tissue samples, or the calibration and maintenance of analytical equipment.
  • Monitors, assesses and evaluates the operations of the assigned section; develops and modifies laboratory methods and procedures to improve and expedite casework.
  • Analyzes, develops and makes recommendations for changes in equipment, supplies and personnel within the assigned section.
  • Serves as a liaison between the laboratory section and the department and outside agencies regarding the status of cases or investigations assigned to subordinate personnel.
  • Reviews and approves written findings and displays for court presentation; testifies concerning findings as established by laboratory analyses and interprets findings as a qualified witness.
  • Conducts the scientific investigation of crime or death scenes consistent with department policy.
  • Researches technical journals, textbooks, chemical manuals and other source materials to determine the best methods of performing analytical testing.
  • Conducts research regarding new methods, procedures and techniques of laboratory analysis and scientific criminal investigation.
  • Contacts other scientific agencies to coordinate findings or to seek alternative methods of analysis pertaining to specific case studies.
  • Determines modifications to be made in existing testing procedures to meet special needs of the particular scientific investigation.
  • Identifies and makes recommendations for in-service training activities to meet the needs of the section; plans, schedules and conducts training programs for attorneys and law enforcement personnel in the methods of collecting and preserving evidence and the operation of breath analysis equipment.


  • Bachelor's Degree in biology, chemistry, or forensic science related area AND at least eight semester hours of general chemistry and three semester hours of quantitative analysis AND three years of experience in a forensic laboratory at the level of Senior Criminalist* participating in one of the following disciplines: forensic biology, forensic toxicology, forensic trace evidence.
    *Experience at the level of Senior Criminalist is defined as experience independently performing physical and chemical analysis of evidentiary substances encountered in the course of criminal investigations or conducting chemical analysis to determine the nature and quantity of toxic substances in body tissues and fluids of living or deceased persons for forensic or criminalistic purposes not primarily related to patient care.
  • A valid California Class C Driver License or the ability to utilize an alternative method of transportation when needed to carry out job-related essential functions.
  • 2 - Light. Light physical effort which may include occasional light lifting to a 10 pound limit, and some bending, stooping or squatting. Considerable walking may be involved.
  • Candidates selected for appointment will be extended an offer of employment that is conditional upon the results of a background investigation.
  • The resulting eligible register will be used to fill vacancies in the Los Angeles County Department of Medical Examiner-Coroner located at 1104 North Mission Road, Los Angeles, CA 90033.

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How to apply: Apply online

Posted: December 6, 2017

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