County of OrangeSanta Ana 92703

Spanish/English: Ability to speak, read, write, and understand fluent Spanish and English. Vietnamese/English: Ability to speak, write, and understand fluent Vietnamese and English.

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District Attorney Investigator

County of Orange
Orange County District Attorney, 300 N Flower St, Santa Ana, CA 92703, United States




This recruitment is being held to establish an open eligible list to fill current and future vacancies in the Orange County District Attorney's Office. This recruitment may also be used to fill positions in similar and/or lower classifications throughout the County of Orange. 


This recruitment will begin accepting applications on Wednesday, June 14, 2023, and will be advertised for a minimum of five (5) business days. Thereafter, the recruitment will remain open on a continuous basis until the needs of the hiring department have been met.  All applicants are encouraged to apply immediately as this bulletin can close at any time.

, (OCDA-PA) represents the People of the State of California in criminal and civil proceedings in the Superior Court of California and appellate courts of the state. The mission of the OCDA is to enhance public safety and welfare and to protect and respect crime victims and to create security in the community through the vigorous enforcement of criminal and civil laws in a just, honest, efficient and ethical manner. 

The Orange County District Attorney’s Office – supports the prosecutorial and law enforcement endeavors of the District Attorney. It provides a wide range of policing services tasked with suppressing crime and ensuring all criminal cases filed in Orange County are thoroughly investigated.


The Office of the District Attorney is seeking results-oriented investigators to collaborate with attorneys in the vigorous enforcement of criminal and civil laws. A District Attorney Investigator performs challenging investigative work resulting in the apprehension and prosecution of persons suspected of committing felony and serious misdemeanor crimes. The department is seeking individuals who are:

  • Self-motivated
  • Effective communicators
  • Team players able to successfully partner with District Attorney legal staff as well as local, state, and federal law enforcement agencies
  • Detailed understanding of the Criminal Justice System including courtroom testimony.
  • Thorough knowledge of rules of evidence, courtroom procedure, investigation techniques, methods, and procedures, and the role of a District Attorney Investigator.
  • Ability to apply forward thinking and creative thought with high ethical standards.
  • Exceptional judgment and common sense.
  • Excellent interpersonal and collaborative skills.
  • Approachability, flexibility, and organizational skills.
  • Demonstrated enthusiasm, innovation and/or creativity in a law-enforcement investigator assignment.
  • Superior interviewing, interrogation, and listening skills.
  • Superior report writing skills.
  • Experience in writing search warrants.
  • Extensive experience in dealing with victims and witnesses of crime.
  • Demonstrated past performance working with Deputy District Attorney collaborating in an investigation and prosecution. 
Special Qualifications
  • Possess a valid state of California P.O.S.T. certificate (basic, intermediate, advanced, supervisory or management).
  • Graduated from a state of California P.O.S.T. certified peace officer regular basic course academy
  • Modular format (reserve) training will not be considered
All applicants who have filed an application, must scan, upload, and attach their California P.O.S.T. certificate (Basic, Intermediate, Advanced, Supervisory, or Management) to the application.
[Failure to immediately attach your certificates may result in an incomplete application which may not be accepted]

Please clickfor the minimum qualifications for the District Attorney Investigator.


The County of Orange is committed to providing a means for applicants who may have a disability to identify areas in which they may request a reasonable accommodation. The following is a description of the physical and mental abilities which are customarily required to perform the essential job functions of this position. Applicants are encouraged to contact the recruiter listed in the announcement for any questions or to request an accommodation during the testing/selection process.

Physical and Mental Characteristics:

Ability to perform active law enforcement role, body strength sufficient to effect arrest and control of suspects; independent body mobility to effectuate arrest, drive a vehicle, perform various law enforcement related searches, access a standard office; vision sufficient to read typed and handwritten documents, to read computer screen and to drive a vehicle; manual dexterity to accomplish handgun qualification, to operate police vehicles and radios, operate a computer keyboard to complete reports and do informational queries; stamina to enter, drive and exit a vehicle several times in one day, in all forms of weather conditions, ability to speak and hear well enough to converse in person and on the phone.

Mental stamina for complex problem solving and dealing with stressful situations; ability to recall and recreate detailed conversation or events, interpret and apply oral/written instructions; remain alert and coherent to take action or to decide alternative courses of action under routine, highly stressful, or environmentally difficult conditions.

Environmental Conditions:

Will be required to work office and field investigative assignments, use personal vehicle for travel (with mileage reimbursement), conduct field investigations, interview hostile or uncooperative individuals, conduct fixed and moving surveillance, travel outside of Orange County.

Current employed members of accepted reciprocal systems who were in those retirement systems prior to January 1, 2013, and who have not retired from those systems, may be eligible for previous OCERS formula of 3% at age 55 for safety members.

  • Membership in the Orange County Employees Retirement System (OCERS). For more information, please call (714) 558-6200 or visit


In addition to the County's standard suite of benefits such as: a choice of several health plans, dental and vision insurance, paid vacation, paid holidays, we also offer:

  • Highly competitive salary
  • Option of participating in the 457b Deferred Compensation Plan. For more information, please visit
  • Annual Leave (paid-time off accrual)

For specific information regarding Medical and Dental benefits for

members, please call (714) 285-9900.

The County offers a competitive benefits package which includes a choice of several health plans, annual leave (includes paid vacation) and paid holidays. Additionally, the County provides a retirement plan, which has reciprocity with the Public Employees Retirement System (PERS). Participation in a deferred compensation plan is available. The County also offers up to $10,000 annual Educational and Professional Reimbursement.

  • For detailed information on benefits .
  • For detailed information on OCERS retirement


In addition to the monthly starting pay of $


, candidates receive P.O.S.T. pay commensurate with the level of P.O.S.T. certificate the candidate possesses.

Additional compensation up to 70 cents ($0.70) per hour may be available for candidates selected to work in positions requiring the following bilingual skills:

  • Spanish/English: Ability to speak, read, write, and understand fluent Spanish and English.
  • Vietnamese/English: Ability to speak, write, and understand fluent Vietnamese and English.


The Office of the District Attorney Human Resources screens all applications to identify the qualified candidates. After screening, qualified candidates will be referred to the next step and notified of all further procedures applicable to their status in the competition. After all the test procedures have been completed, the District Attorney's Human Resources will establish an eligible list of qualified candidates.

The recruitment procedure will consist of the following steps. Each step will require a few weeks to complete.

Application Appraisal Panel: (Refer/Non-Refer) 

Application materials will be rated by a panel of job knowledge experts for those qualifications most needed to perform the duties of the job. The more qualified candidates will be referred to the next step. This is a competitive process; therefore, be thorough in your responses.

Structured Oral Interview Assessment & Written Exercise: (Weighed 100%)

Candidates will be interviewed and rated by a panel of job knowledge experts. Each candidate's rating will be based on responses to a series of structured questions designed to elicit the candidate's qualifications for the job.

Eligible List

Once the assessment has been completed, District Attorney Human Resources will establish an eligible list of candidates. Only the most successful candidates will be placed on the eligible list. Candidates placed on the eligible list may be referred to a selection interview to be considered for present and future vacancies.

Based on the Department's needs, the recruitment procedure listed above may be modified. All candidates will be notified of any changes in the recruitment procedure.