Criminalist I, Forensic Biology DNA (8259) – San Francisco Police Department
Listed on 2026-08-23
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Pharmaceutical
Medical Technologist & Lab Technician
Criminalist I, Forensic Biology DNA (8259) – San Francisco Police Department
- Full-time
- Work Hours:
Regular - Job Code and
Title:
8259-Criminalist I - Fill Type:
Permanent Exempt
The San Francisco Police Department was established in 1849 and continues to evolve as an effective, inclusive, and modern police organization. We are focused on maintaining the trust of the people who live, work, and visit San Francisco by reviewing our initiatives, learning from best practices, and adapting to the changing needs of the City.
The San Francisco Police Department stands for safety with respect for all. We are committed to just, transparent, unbiased, and responsive policing carried out with dignity and in partnership with the community. We collaborate with community members and City partners to promote safety, fairness, and trust across San Francisco, with an emphasis on strong relationships and support for the well‑being of our neighborhoods.
The Department is dedicated to excellence in law enforcement and to the people, traditions, and diversity of San Francisco. Our mission is to keep the public safe by protecting life and property, preventing crime, and reducing the fear of crime. We provide service with understanding, respond with compassion, and perform with integrity as we continue to grow as a forward‑thinking organization serving one of the most dynamic cities in the country.
- Application Opening:August 21, 2026
- Final date to receive applications:Apply immediately, announcement may close any time after 2 weeks from posting date.
- Appointment Type:Permanent Exempt
-This position is excluded by the Charter from the competitive Civil Service examination process and shall serve at the discretion of the Appointing Officer. The duration of the appointment shall not exceed 36 months. - Work Schedule:Monday - Friday, Full-time. Up to one day a week Telecommuting work schedule available in line with CCSF policy based on available work/assigned duties.
Some assignments may require working weekends and/or holidays.
Under general supervision, the Criminalist I in Forensic Biology DNA receives on‑the‑job training in the examination and analysis of biological evidence. The incumbent learns and performs serological and DNA laboratory procedures, including evidence screening, sample preparation, and routine analytical tasks. As proficiency develops, the Criminalist I progresses to more complex examinations and participates in forensic biology casework.
- 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 consistent with established procedures.
- 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.
- Ensure proper handling, processing, and preservation of 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.
The Criminalist I performs related duties as assigned.
How to qualify:
To be considered, you must possess the…
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