Chief District Attorney Investigator (#EL2392)
$74.74-$90.85 Hourly / $12,954.81-$15,746.66 Monthly / $155,457.82-$188,959.95 Yearly


Under direction, performs administrative and supervisory work in directing the investigative functions of the District Attorney's Office; and does related or other work.


An employee in this exempt class is responsible for planning, coordinating and supervising the activities of the investigators assigned to the District Attorney's Office. The District Attorney Investigator series differs from that of other investigator series in that employees of the former are statutory full-time peace officers and have a duty to act upon criminal violations occurring in their presence. Employees are peace officers as defined by Section 830.1 of the Penal Code. This class differs from that of District Attorney Investigator III in that an employee of the latter class is a first line supervisor but does not have overall responsibility for all investigative functions.


  • Plans, organizes and directs the investigative activities of the District Attorney's Office.
  • Consults and confers with department management staff in the formulation of investigative plans, policies and procedures.
  • Reviews and evaluates reports on cases investigated; insures that complete reports are submitted; advises the District Attorney as to course of action to be taken.
  • Coordinates the investigative activities of the District Attorney's Office with local, state, and federal law enforcement agencies; establishes liaison with other public agencies.
  • Enforces all criminal and civil laws falling within the scope and jurisdiction of the District Attorney in the prescribed conduct of the office.
  • Selects and trains investigative staff; prepares employee performance evaluations; recommends disciplinary action, promotions, transfers, and merit increases.
  • Directs the compilation and maintenance of records; prepares reports and correspondence.
  • Conducts or participates in meetings and conferences as a representative of the District Attorney's Office.
  • Assists attorneys in court or in the presentation of evidence; may testify in court.



Experience: Four years of experience as a District Attorney Investigator II in San Joaquin County service.


Experience: Six years of experience as a peace officer performing felony investigations in an investigative unit of a public law enforcement agency.


License:  Possession of a valid California driver’s license.


Certificate:  Possession of an Advanced P.O.S.T. Certificate including or supplemented by successful completion of approved courses in Powers of Arrest and use of firearms in accordance with Penal Code Section 832.  Such courses must have been approved by the California Commission of Peace Officers Standards.


Techniques, methods, and procedures used in crime detection and criminal investigation; rules of evidence, arrest and court procedures; civil and criminal laws and laws and rules in effect in the County; techniques of securing, evaluating, and preparing evidence and exhibits for trial; search and seizure, service of legal papers and legal rights of citizens; interviewing techniques and procedures; firearms safety.


Plan, organize and direct the work of subordinates; train and supervise subordinates; keep records and prepare, review and evaluate comprehensive reports; express oneself clearly and concisely, both orally and in writing; establish and maintain effective working relationships with law enforcement officials, County personnel, and, the public.


San Joaquin County complies with the Americans with Disabilities Act (ADA) and, upon request, will consider reasonable accommodations to enable individuals with disabilities to perform essential job functions.

CLASS: EL2392; REV: 5/1/1988;