Criminalist I/II - Firearms Examiner

San Mateo County Sheriff's Office Forensic Laboratory, San Mateo, CA, US


Duties may include but are not limited to, the following:

  • Perform comparative analysis on evidence such as bullets, cartridge cases, and toolmarks.
  • Prepare evidence for presentation at court and appear as an expert witness to testify on the results of laboratory examinations.
  • Engage in crime scene examination and collection of physical evidence at a major crime scene.
  • Take photographs and photomicrographs.
  • Participate in public relations activities such as conducting tours of the Laboratory and speaking to various interested groups.
  • Care for and maintain laboratory equipment.
  • Perform serial number restorations.
  • Perform distance determinations.
  • Search the NIBIN database.
  • Ensure proper quality assurance and quality control measures are utilized, such as documentation of equipment calibration and maintenance.
  • Review the casework of other examiners.
  • Review policies, methods, and procedures, propose new or modified analytical procedures to be used in analysis.
  • Perform related duties as assigned.


Qualifications Education and Experience:

Criminalist I: Graduation from an accredited college or university with a major in criminalistics, chemistry or a related physical science.

Criminalist II: Three years of experience in the practice of criminalistics, which has included experience in collecting, analyzing and evaluating physiological fluids, controlled substances and other physical evidence gathered from crime scenes.

Other Requirements:

  • Participate in the Laboratory's on-call, crime scene rotation schedule.
  • Pass a detailed background investigation and pre-employment medical exam prior to appointment.


$90,334.40 - $140,608.00 Annually.

NOTE: A 2.5% pay differential is also given for IAI Crime Scene Certification and an additional 5.0% for ABC or AFTE or IAI Latent Print Certification or American Board of Forensic Toxicology certification. The maximum allowable certification differential is 7.5%.

How to apply

Visit the URL listed; an application with supplemental questions will need to be completed.