Sergeant Investigator

Please send all resumes to [email protected].


Williamson County Job Description
Department/Office: District Attorney

Job Title: Sergeant Investigator
FLSA: Non-Exempt
Pay Grade: L.3
Effective Date: 10/2018


Reporting directly to the Chief Investigator, provides professional investigative assistance to the District Attorney and Assistant District Attorneys of Williamson County.


Trial Investigator Assignment:

  • Ensures security of the office, prosecution team and trial witnesses as appropriate; includes in the office or during trial in court and outside the courthouse, as required
  • Reviews cases provided by prosecution team for trial work up (deadline issues take priority)
    o Receives and handles requests from prosecution team
    o Reviews cases for additional investigation needs; evidence or witnesses
    o Reviews completeness of case file (supplements, attachments, video, medical etc.)
    o Acts as liaison with investigating agency and officers
  • Works up punishment evidence
    o Secures or follows up on prior judgements, pen packs, etc.
    o Obtains police reports and locates and/or interviews victims and witnesses, as needed
  • Subpoena service and witness duties
    o Assists in the service, or coordination of service, of Grand Jury subpoenas and trial subpoenas
    o Locates and serves trial-related subpoenas and coordinates witness meetings and interviews, as needed
    o Coordinates witness travel and completion of witness reimbursement paperwork

• Trial duties
o Assists in preparation of trial presentation material (photo printing, audio/video editing, copying, maps, posters, etc.)
o Coordinates witnesses: obtains witness order from prosecution team and creates list with contact information for each team member
o Runs CCH for Jurors and all witnesses
o Collects and preserves evidence used in the prosecution of case (returns evidence items not presented in trial to the agency)
o Notifies involved parties of outcome of case, as needed

• Unapprehended Case duties. (See warrant verification and due diligence procedures)
o Runs quarterly unapprehended suspect list for respective court
o Selects cases for review of file for change in extradition status or recall of warrant/dismissal of case
o Coordinates efforts through searches and agencies to apprehend individuals where possible (documents all efforts and database returns in case file – Inv Report titled

Fugitive investigation)
• Performs special projects as assigned by the District Attorney or designee.

Intake Investigator Assignment:

  • Ensures security of the office, Office Staff, and trial witnesses as appropriate
    o Includes in the office or during trial in court and outside the courthouse,as required
  • Daily Intake
    o Reviews each day’s intake cases and orders the appropriate evidence from law enforcement filing agencies

o Gathers additional information on intake cases as dictated by investigator request forms from prosecutors
o Assists prosecutors in interviewing victims/witnesses on intake cases
o Assists intake administrative assistants in obtaining reports/judgments in emergency situations
o Prepares and serves arrest warrants for enhancement cases and grand jury

subpoenas on felony cases within our office • Law Enforcement Liaison

o Acts as liaison between law enforcement agency officers and the district attorney’s office, answers officer’s questions, and gets them in contact with appropriate prosecuting attorney

o Prepares grand jury subpoenas, court orders, and search warrants for requesting officers

Takes telephone & walk-in complaints from citizens and guides them to the appropriate law enforcement agency for investigation

Prepares paperwork for extraditions (going back to requesting state) when necessary

Performs special projects as assigned by the District Attorney or designee


Reports directly to – Chief Investigator

Direct Reports – No


Position involves prolonged sitting at a workstation, prolonged reading, visual examination of documents, reaching, walking, twisting, bending, repetitive motions and standing

Position involves occasional lifting and carrying of up to fifty (50) pounds and exertion of up to twenty-five (25) pounds of force to move objects

Occasionally responds to late night callouts requiring performance with little or no sleep


Work is primarily indoors in an air-conditioned environment

High-volume legal office with stressful situations

Interaction with law enforcement agencies and persons accused or convicted of felony offenses

Regular travel between work sites as required The above statements are intended to describe the general nature and level of work being performed by individuals assigned to this job. They are not intended to be an exhaustive list of all responsibilities, duties and skills required of personnel so classified in this position. This job description is subject to change as the needs and requirements of the job change.


Advanced Peace Officer Certification through the Texas Commission on Law Enforcement

Ten (10) years of experience as a Texas Peace Officer

Five (5) years of experience as an Investigator

Possess and maintain certifications and licenses required to perform the functions of the job, to include but not limited to: Texas Driver’s License, Peace Officer Certification (Education & Weapons Qualification) and CJIS Certification


Bachelor’s Degree in Law Enforcement, Public Administration or similar field

Two (2) years of experience as District Attorney Investigator


Employment is contingent on passing any post-offer pre-employment screening as listed below:

Criminal background check: Yes

Motor Vehicle Record check: Yes

Drug screening: No

Physical exam: No

Psychological exam: No

Additional: N/A


• Work outside of regular office hours (Monday-Friday) may be required


Williamson County is a tobacco free workplace. The use of tobacco and non-tobacco products such as vapor, e-cigarettes and the use of chewing tobacco or like products is prohibited on all Williamson County premises. Employees who violate this policy are subject to appropriate disciplinary action up to and including termination of employment.


Williamson County is an Equal Opportunity Employer and complies with the Americans with Disabilities Act. If you require an accommodation in order to apply for a position, please request assistance from the Human Resources Department.