Employment Opportunity

Criminalist 1

Miami-Dade Police, Doral, Florida

Salary: $49,376.60 to $82,816.24

Final Filing Date: December 24, 2018

This is technical laboratory and analytical work in criminal identification and investigation for the Miami-Dade Police Department. Work involves the application of laboratory techniques, materials, equipment and instrument operation in making physical and chemical analyses of evidence obtained at crime scenes or elsewhere and the presentation of findings for investigative and prosecution uses. Work is performed in accordance with standardized laboratory methods and controls to insure accurate and verifiable analyses of specimens. Duties occasionally require contact with contaminated, corrosive or explosive materials. Work is performed under the supervision of a technical superior who delineates work assignments, aids in resolving special problems and reviews work for completeness, technical quality and court presentability. Positions allocated to this class are primarily used to develop incumbents in all phases of crime laboratory analytical work.

Duties and Requirements Click to read more


  • Test fires weapons involved in criminal activities and identifies projectiles and cartridge cases using a comparison microscope; makes chemical and infrared photographic studies of suspect areas of skin, flesh or clothing in gunpowder residue studies.
  • Identifies unknown substances by qualitative and quantitative, chemical, and physical analyses.
  • Performs chemical microscopy, spectrographic, and other scientific examinations of various evidential materials for identification purposes and evaluates their significance.
  • Performs document and handwriting examinations; evaluates documents as to their authenticity.
  • Prepares written reports of laboratory examinations and results.
  • Performs related work as required.


  • Bachelors degree in Chemistry, Forensic Science, Biology or related field.
  • Applicants will be subject to an extensive screening process to include background investigation, fingerprint check and polygraph examination.
  • Knowledge of laboratory techniques in the performance of chemical, microscope, spectrographic, X-ray, diffraction, and photographic examinations.
  • Knowledge of methods used in collecting and preserving physical evidence and presentation of such evidence in court.
  • Knowledge of ballistics and the related identification of firearms, bullets, and fired cartridge cases.
  • Some knowledge of standard fingerprint classification practices, records, and equipment.
  • Ability to testify effectively in court as an expert witness.
  • Normal color perception and eyesight sufficient to perform extended microscope work.

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How to apply: Apply online

Posted: December 4, 2018

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