Full-Time

Criminalist 1

Forensic Biology DNA

Posted on 8/21/2026

City and County of San Francisco

City and County of San Francisco

San Francisco municipal government

No salary listed

San Francisco, CA, USA

In Person

Bachelor's

Category
Biology & Biotech (1)
Required Skills
Quality Assurance (QA)
Biochemistry
Requirements
  • Possession of a baccalaureate degree from an accredited four-year college or university with major coursework in criminalistics, chemistry, biochemistry, molecular biology, or a closely related physical science field.
  • Coursework must include forensic science, biochemistry, genetics, molecular biology, or other subjects providing a basic understanding of forensic DNA analysis, totaling at least nine cumulative semester hours or equivalent.
  • A transcript verifying completion of the required coursework must be uploaded.
  • Possession of a valid California Driver’s License.
  • Applicants must pass a thorough background investigation, which may include criminal history records, driving records, drug and alcohol screening, and other employment and personal history checks.
  • Candidates must clear Department of Justice and Federal Bureau of Investigation fingerprinting and may be required to undergo drug and alcohol screening.
  • Applicants must provide complete criminal-record information and will be fingerprinted.
Responsibilities
  • Examine evidence from criminal investigations for the presence of biological material.
  • Perform chemical, microscopic, and genetic analyses of biological evidence using established laboratory procedures.
  • Interpret analytical data and document observations according to laboratory protocols.
  • Prepare clear and detailed case notes and written reports of scientific findings.
  • Retrieve evidence from SFPD Property Control and/or the Office of the Chief Medical Examiner while maintaining proper chain of custody.
  • Follow established quality-control, quality-assurance, and laboratory-safety procedures.
  • Prepare casework folders and assist in assembling documentation required for technical review by senior staff.
  • Enter case information and analytical results into laboratory computer systems and tracking databases.
  • Maintain and operate laboratory instruments, including performing routine checks and documenting maintenance according to established procedures.
  • Participate in required DNA-typing proficiency tests.
  • Provide impartial court testimony regarding examinations performed and scientific conclusions reached.
  • Conduct visual, microscopic, and chemical examinations of evidence to identify biological material such as blood, semen, saliva, hair, and tissue.
  • Perform DNA testing to characterize biological evidence and assist in determining potential contributors.
  • Handle, process, and preserve biological evidence in accordance with established policies and protocols.
  • Participate in discussions or informal peer interactions regarding casework under the direction of senior criminalists to support adherence to laboratory standards.
Desired Qualifications
  • Demonstrated interest in forensic science through academic projects, internships, workshops, or professional development activities.
  • Familiarity with serological and DNA analysis principles, including biological screening methods, polymerase chain reaction, genetic markers, or DNA profiling.
  • Experience preparing scientific notes, laboratory documentation, or technical summaries with attention to accuracy and detail.
City and County of San Francisco

City and County of San Francisco

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City and County of San Francisco is the consolidated municipal government for San Francisco. It administers public safety, public health, transportation, utilities, housing, planning, parks, elections, social services, finance, and other civic functions. Residents, businesses, visitors, and community organizations interact with departments, commissions, elected offices, and public-service programs. The workforce combines operational agencies with policy, engineering, clinical, legal, technology, administrative, and public-facing teams. Its responsibilities reflect both city and county government within one consolidated jurisdiction.

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