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Dallas County

Texas county government

Investigator 2 Senior

Full-TimeUpdated on 10/23/2026Deadline 12/31/26
$39.66 - $42.77
Junior
Bachelor's
Dallas, TX, USA
In PersonStandard office environment half the time; remainder in a law-enforcement street environment.
LegalLegal Counsel & Legal Support

About the job

Requirements
  • Must have a GED or high school diploma.
  • Must have a bachelor's degree from an accredited college or university in a job-related field of study.
  • Must have two years of peace officer experience, or an Intermediate Peace Officer Certificate from T.C.L.E.O.S.E. with no experience.
  • Must be a Certified Peace Officer and proficient in firearm use.
  • Must have knowledge of investigative techniques and the ability to communicate verbally and in writing with a diverse group of individuals.
  • Must be skilled at applying interviewing techniques while assisting prosecutors in adverse or hostile conditions.
  • Must pass a criminal background investigation. The position may also require successful completion of a polygraph exam, psychological exam, physical exam, and extensive background investigation, and is subject to random, unannounced drug and alcohol testing.
Responsibilities
  • Provide support and expertise to the Assistant District Attorney in investigating moderate-to-complex cases and cases requiring special skills.
  • Assist the Assistant District Attorney in gathering pertinent data, identifying significant factors, and recognizing solutions for moderate-to-complex or specialized cases.
  • Locate and develop evidence to assist in plea negotiations.
  • Plan and organize work independently as part of a trial or section and prepare cases for disposition.
  • Assist in reconstructing events, sequences, and time elements in preparation of criminal cases.
  • Locate, interview, and notify witnesses of trial dates by serving subpoenas, summons, and writs, and/or making arrests; coordinate transportation and lodging for trial witnesses; and check backgrounds of witnesses who may be used during trial.
  • Collect and prepare physical evidence for trial and review reports, including medical autopsy and forensic reports, as part of the investigative process.
  • Assist the Assistant District Attorney during jury selection and trial phases.
  • Train Level I investigators and/or Legal Assistants and act as lead when more than one Investigator is required.
  • Perform other duties as assigned.

About the company

Dallas County is a county government serving residents and communities in Dallas County, Texas. The county administers courts, elections, public health, justice, records, infrastructure, human services, and other local government programs. It serves residents, businesses, visitors, partner agencies, and communities across Dallas County. Its operating model centers on elected offices and departments operating under public law, budgets, civil-service rules, and countywide administrative systems. Teams work across public health, justice, administration, technology, facilities, finance, records, and community services. Teams support coordinated daily delivery.

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