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Criminal Investigator (Special Agent)

Treasury Department

Location: Lanham, Maryland, 20706, United States
Type: Non-Remote
Posted on: May 30, 2026
This job is no longer available from the source.
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.