Criminalistics Laboratory Technician

Salary	$57,273.84 - $73,107.36 Annually	Location	Los Angeles County, CA
Job Type	Full time	Job Number	J4331B
Department	Sheriff	Opening Date	05/20/2025
Closing Date	6/18/2025 5:00 PM Pacific

Accepting online applications from Wednesday, May 21, 2025, at 8:00 A.M. (PT) until Wednesday June 18, 2025, 5:00 P.M. (PT). All applications must be received before 5:00 P.M. (PT) on Wednesday, June 18, 2025, to be accepted.

Essential Job Functions

Prepares standard chemical solutions and reagents for use in forensic biological procedures.

Performs routine chemical analyses on biological samples and bulk-controlled drug specimens and may perform special projects under close supervision.

Operates a chromatograph for the routine analysis of specified classes of evidence submitted to the laboratory.

Performs routine toxicology extraction procedures of blood and urine specimens and prepares extracts for subsequent analysis.

Operates an immunoassay instrument to screen urine specimens for drugs of abuse.

Assists laboratory personnel by performing routine laboratory tests and analyses of evidentiary specimens, as directed.

Prepares evidence collection kits for distribution (e.g., GSR, sexual assault kit).

Provides inventory support functions, including ordering supplies, tracking packages, and stocking.

Documents evidence.

Prepares evidence for outsourcing.

Provides guidance to volunteers who perform crime lab support functions.

Performs functions to support and/or ensure equipment is adequately calibrated, records are accurate, and active inventory has not exceeded its expiration date.

For more information, please view the classification specification: Criminalistics Laboratory Technician

For the complete job listing, informaiton about applying, deadlines, and additional requirements to qualify, please view the full job posting here:Criminalistics Laboratory Technician.

Criminalist II, DNA

Salary	$109,634.72 - $132,662.40 Annually	Location	San Jose Metropolitan Area, CA
Job Type	Full time	Job Number	25-V68-A
Department	District Attorney	Division	Crime Lab
Opening Date	5/29/2025	Closing Date	6/12/2025 11:59 PM Pacific
Bargaining Unit	01

The County of Santa Clara District Attorney's Crime Laboratory is recruiting for a Criminalist II, specializing in forensic DNA analysis. The incumbent will perform chemical, biochemical and molecular genetic analysis on evidence samples for the purpose of identification and genetic characterization of physiological fluids and other human biological materials using serological and amplification-based DNA typing techniques. Duties include operating and maintaining laboratory instruments; generating examination records, and writing clear and concise technical reports of findings and conclusions; providing effective expert testimony in court, including the presentation of statistical analysis; providing assistance and training to junior staff; evaluating, validating, and implementing new analytical techniques.

The selected candidate must successfully pass a full background investigation prior to appointment.

Typical Tasks

• Performs analysis and examines physical evidence in forensic specialty areas such as Audio-Video, Computer Forensics, Drug Chemistry, Trace Evidence, Firearms/Toolmarks, Forensic Biology/DNA, Latent Print Processing, Toxicology, Questioned Documents, Footwear/Shoe Print Analysis, Bloodstain Pattern Analysis, Crime Scene Analysis;
• Examines evidence, evaluates findings and interprets results utilizing various techniques such as photography, microscopy, wet chemistry, immunoassay, chromatography, mass spectrometry, spectroscopy, DNA typing, data searching and recovery and digital processing;
• Performs field investigations at crime scenes and other locations to search for, collect, document and preserve evidence; provides expertise to agencies at crime scenes;
• Consults and advises law enforcement officers, attorneys and the courts regarding the nature of evidence or the results of laboratory analyses and their meaning;
• Testifies on the results of laboratory analyses and may interpret them for the courts and other legal hearings;
• Prepares clear, comprehensive, technically sound, and accurate casework reports, including all determined facts and conclusions;
• Maintains laboratory, instruments, equipment and glassware in a constant state of cleanliness, order and good repair;
• May be assigned to deliver technical presentations to outside groups;
• Determines the interrelationship of various pieces of physical evidence;
• Prepares evidence for presentation in court;
• Provides technical guidance to lower level staff and other laboratory personnel pertaining to routine work of the laboratory;
• Trains other Criminalists and law enforcement personnel in specialized techniques such as evidence collection or in new areas of forensic interest; trains and certifies operators in using breath alcohol instrumentation;
• Serves as a liaison with applicable professional organizations to provide and obtain pertinent information necessary in maintaining subject matter expertise;
• May be assigned as Disaster Service Worker, as required;
• May perform any related duty, as required.

For the complete job listing, informaiton about applying, deadlines, and additional requirements to qualify, please view the full job posting here:Criminalist II, DNA.

Supervising Criminalist

Salary	$151,869.12 - $184,608.32 Annually	Location	Throughout the County of Santa Clara, CA
Job Type	Full time	Job Number	25-V39-A
Department	District Attorney	Division	Crime Lab
Opening Date	05/29/2025	Closing Date	6/12/2025 11:59 PM Pacific
Bargaining Unit	92

Description

Under direction, to supervise and coordinate activities and staff in a forensic specialty unit within the District Attorney's Crime Laboratory; and to participate in the work of the unit.

The County of Santa Clara District Attorney's Crime Laboratory is recruiting for a Supervising Criminalist to manage Forensic Biology/DNA analysis unit.

The selected candidate must successfully pass a full background investigation prior to appointment.

Typical Tasks

The following are the duties performed by employees in this classification. However, employees may perform other related duties at an equivalent level. Each individual in the classification does not necessarily perform all duties listed.

• Manages, directs, and supervises the daily activities in a forensic specialty unit;
• Develops, administers, and implements laboratory systems, procedures, and techniques;
• Oversees research and experimentation to develop and improve analytical methods and procedures;
• Prepares statistical reports of work performed in the forensic specialty areas such as Audio-Video, Computer Forensics, Drug Chemistry, Trace Evidence, Firearms/Toolmarks, Forensic Biology/DNA, Latent Print Processing, Toxicology, Questioned Documents, Footwear/Shoe Print Analysis, Bloodstain Pattern Analysis, Crime Scene Analysis etc.;
• Consults and advises law enforcement regarding nature of evidence, laboratory analysis, and interpretation;
• Interprets findings for the courts and other legal hearings;
• Writes reports and standard operating procedures outlining methods and results;
• Ensures proper compliance and reporting with regulatory agencies;
• Evaluates and manages requests for analytical examinations and reviews case files and reports to ensure quality control, ability to support conclusions, and evaluate staff performance;
• Oversees training of staff in procedures and techniques of forensic science, and may assist in the more difficult or unusual evidence analysis;
• Resolves administrative, agency liaison, and technical problems associated with analysis, instrumentation repair and maintenance, and procedures;
• May ensure quality control and compliance with state laws and laboratory accreditation requirements;
• Solves technical problems and provides oversight of quality assurance program;
• May be assigned as a Disaster Service Worker (DSW), as required*;
• Performs other related duties, as required.

For the complete job listing, informaiton about applying, deadlines, and additional requirements to qualify, please view the full job posting here:Supervising Criminalist.