Maricopa County Attorney’s Office – Arizona

This Detective is responsible for Maricopa County Attorney’s Office investigator activities.Position QualificationsWe recognize your time is valuable, so please apply if you meet the following required qualifications:


  • High school diploma or GED


  • Five (5) years of fulltime law enforcement experience.
  • Two (2) years of investigative experience in a full time plainclothes investigative assignment, or equivalent, with a Federal, State, County or Municipal Law Enforcement Agency.

Other requirements:

  • Applicant must be certified by the State of Arizona Peace Officer Standards and Training Board (AZPOST) as a full authority Peace Officer and in good standing at the time of appointment. 
  • Must have active or inactive, AZPOST full authority peace officer certification at the time of application.
  • Applicants must submit to a pre-employment polygraph exam, a post-offer psychological examination and physical/drug screening for all sworn positions.  Must possess, or have the ability to obtain by the time of hire, a valid AZ Driver License.
  • Applicants must possess, and have the ability to maintain, appropriate certifications and credentials, depending on assignment.

The Maricopa County Attorney’s Office requires a thorough background investigation of all successful candidates and is authorized to test prospective employees for the presence of illegally accessed drugs. Drug testing is conducted once an offer has been extended and prior to placement. 

Our preferred candidate has:

  • Documented experience in the investigation of complex criminal cases, and experience working with prosecutors.
  • Experience conducting Capital Case Investigations and/or supporting Capital Case Prosecutors.
  • Two (2) years of experience (within the last five (5) years) working with Cellebrite, XRY, Oxygen, GreyKey, EnCase, Berla or associated software utilized in the extraction of cellphone data.
  • Experience (within the past 5 years) in the field of cellphone data mapping and analysis.
  • Current mobile forensic certifications such as (Cellebrite, Oxygen and XRY).
  • Advance digital forensic experience.
  • Certified Forensic Computer Examiner (IACIS). 

Essential Job Tasks

  • Conduct interviews of victims/witnesses in criminal cases.
  • Locate witnesses, documents, information and evidentiary items.
  • Develop, utilize and maintain informants and information resources.
  • Conduct internal administrative investigations as assigned.
  • Compose extensive reports, memos and other correspondence using a computer.
  • Serve criminal subpoenas, legal process and/or documents as required.
  • Maintain AZ peace officer certification requirements in accordance with AZPOST Admin Code R-13-4-111 for all sworn positions.
  • Meet with attorneys and assist in the preparation of cases for trial.
  • Testify in court as required.
  • Perform advanced, specialized or original criminal investigations which may involve undercover or covert responsibilities, search warrants and arrests.

Working Conditions:
Office and enclosed areas in a fast-paced environment with frequent stressful situations. May require long periods of sitting while completing paperwork, standing and moving about during course of performing duties. Ability to travel to and from various county locations for court appearances, meetings and trainings, utilizing personal or county owned vehicle. Ability to move up to 20 pounds.

Maricopa County is an EEO/ADA Reasonable Accommodation Employer.Selection ProcedureThe Maricopa County Human Resources Department reserves the right to admit to the selection process only those candidates considered to be the most highly qualified.  Those selected will be assessed based on evaluation of listed education and experience.  The hiring authority will interview and select the successful candidate from a list provided by Human Resources.

All offers of employment made to new hires and rehires at Maricopa County are contingent upon successful completion of a post-offer, pre-employment thorough background investigation.  A background investigation is conducted on a current employee who changes to a Safety Sensitive Position or one having the potential for serious adverse impact on the integrity or efficiency of the County.  These requirements do not pertain to employees of elected officials who undergo background investigation processes administered through their respective offices.

Typically, successful candidates are hired at a salary rate up to midpoint of the range, based on applicable experience, internal equity and budgetary allowances.

Apply here: