Criminal Investigator (Special Agent)

Treasury Department
Lanham, Maryland 20706 United States  View Map
Posted: May 30, 2026
  • Full Time
  • Federal Government
  • Other
  • Summary

    Criminal Investigator (Special Agent)

    This position is located at Office of the Inspector General for Tax Admin, Office of Investigation. As a Criminal Investigator (Special Agent), you will conduct investigations and proactive investigative initiatives to ensure the integrity of the Internal Revenue Service (IRS) employees, contractors, and other tax professionals; ensure IRS employee infrastructure security; and protect the IRS against attempts to corrupt tax administration.

    As a criminal investigator, you will be called upon to spearhead the largest, most complex, and most sensitive criminal and occasionally non-criminal investigations which come under the jurisdiction of the Treasury Inspector General for Tax Administration (TIGTA).

    The following are the duties of this position at the GS-13:

    If you are selected at a lower grade level, you will have the opportunity to learn to perform all these duties, and will receive training to help you grow in this position.

    • Plans and coordinates all investigative matters in accordance with Federal laws and regulations as well as agency policies.
    • Interviews subjects, complainants, victims and third-party witnesses and prepares reports of complex investigations.
    • Secures evidence from other outside sources to determine nature and extent of violation.
    • Confers with and assists U.S. Attorneys in preparing information and evidence for trials.
    • Testifies as a government witness before Grand Juries and in the courts in criminal cases, and at administrative hearings in non-criminal cases.
  • Job Description

    Criminal Investigator (Special Agent)

    This position is located at Office of the Inspector General for Tax Admin, Office of Investigation. As a Criminal Investigator (Special Agent), you will conduct investigations and proactive investigative initiatives to ensure the integrity of the Internal Revenue Service (IRS) employees, contractors, and other tax professionals; ensure IRS employee infrastructure security; and protect the IRS against attempts to corrupt tax administration.

    As a criminal investigator, you will be called upon to spearhead the largest, most complex, and most sensitive criminal and occasionally non-criminal investigations which come under the jurisdiction of the Treasury Inspector General for Tax Administration (TIGTA).

    The following are the duties of this position at the GS-13:

    If you are selected at a lower grade level, you will have the opportunity to learn to perform all these duties, and will receive training to help you grow in this position.

    • Plans and coordinates all investigative matters in accordance with Federal laws and regulations as well as agency policies.
    • Interviews subjects, complainants, victims and third-party witnesses and prepares reports of complex investigations.
    • Secures evidence from other outside sources to determine nature and extent of violation.
    • Confers with and assists U.S. Attorneys in preparing information and evidence for trials.
    • Testifies as a government witness before Grand Juries and in the courts in criminal cases, and at administrative hearings in non-criminal cases.
  • ABOUT THE COMPANY

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