Fresh Listing

Posted: March 27, 2026 (0 days ago)

This job was posted recently. Fresh listings typically have less competition.

Criminal Investigator (Special Agent)

Office of the Inspector General for Tax Administration

Department of the Treasury

Fresh

Location

Salary

$105,481 - $163,062

per year

Closes

April 9, 2026

GS-13 Pay Grade

Base salary range: $88,520 - $115,079

Typical requirements: 1 year specialized experience at GS-12. Expert-level knowledge in field.

Note: Actual salary includes locality pay (15-40%+ depending on location).

Job Description

Summary

This job is for a special agent who investigates fraud, waste, and corruption within the IRS to protect tax administration from threats.

It involves conducting complex criminal probes, gathering evidence through interviews and surveillance, and coordinating with teams on sensitive cases.

A good fit would be someone with law enforcement experience, strong physical fitness, and skills in handling high-stakes investigations under pressure.

Key Requirements

  • One year of specialized experience at GS-12 level (for GS-13) involving multi-agent criminal investigations, evidence gathering, and technical assistance
  • Age under 37 at entry (unless prior federal law enforcement service exempts you)
  • Moderate to arduous physical fitness, including good vision, hearing, manual dexterity, and emotional stability
  • Experience performing criminal or administrative investigations using techniques like interviews, surveillance, and documentary searches
  • Ability to investigate sensitive or controversial cases with jurisdictional challenges
  • Time-in-grade: 52 weeks at previous level (GS-12 for GS-13, GS-11 for GS-12)
  • At least three months in a non-temporary competitive federal appointment if current employee

Full Job Description

The mission of the Treasury Inspector General for Tax Administration's (TIGTA), Office of Investigations is to protect the Internal Revenue Service (IRS) from internal and external threats and corruption that could negatively impact the IRS' ability to administer the nation's tax laws.

We detect and deter waste, fraud and abuse in IRS programs and operations and protect the IRS against internal misconduct and corruption as well as external attempts to corrupt or threaten its employees.

You must meet the following requirements by the closing date of this announcement.

Age Requirements: Incumbents selected for Criminal Investigator positions are covered under special law enforcement provisions. This requires that applicants not exceed the maximum age for entry.

The date immediately preceding an applicant's 37th birthday is the final date for selection.

The age restriction does not apply if you served in a Federal civilian (not military) law enforcement officer (FLEO) position covered by special civil service retirement provisions, including early or mandatory retirement.

Medical Requirements: The duties of positions in this series require moderate to arduous physical exertion involving walking and standing, use of firearms, and exposure to inclement weather.

Manual dexterity with comparatively free motion of finger, wrist, elbow, shoulder, hip, and knee joints is required.

Arms, hands, legs, and feet must be sufficiently intact and functioning in order that applicants may perform the duties satisfactorily.

Sufficiently good vision in each eye, with or without correction, is required to perform the duties satisfactorily.

Near vision, corrective lenses permitted, must be sufficient to read printed material the size of typewritten characters.

Hearing loss, as measured by an audiometer, must not exceed 35 decibels at 1000, 2000, and 3000 Hz levels.

Since the duties of these positions are exacting and responsible, and involve activities under trying conditions, applicants must possess emotional and mental stability.

Any physical condition that would cause the applicant to be a hazard to him/her, or others is disqualifying.

AND Specialized Experience: For the GS-13, you must have one year of specialized experience at a level of difficulty and responsibility equivalent to the GS-12 grade level in the Federal service.

Specialized experience for this position includes: - Participating in the coordination of multi-agent cases or investigations that involve multiple subjects; AND - Performing criminal or administrative investigations; AND - Providing technical assistance, training, and consultation for criminal investigations, inspections and techniques, or coordinating criminal investigations and strategies; AND - Utilizing various investigative techniques to establish interrelationships of facts or evidence; AND - Investigating sensitive, controversial subjects or cases involving jurisdictional problems.

Specialized Experience: For the GS-12, you must have one year of specialized experience at a level of difficulty and responsibility equivalent to the GS-11 grade level in the Federal service.

Specialized experience for this position includes: - Performing criminal or administrative investigations; AND - Utilizing various investigative techniques to establish interrelationships of facts or evidence; AND - Developing evidence by interviews, documentary searches, surveillance, etc.; AND - Investigating sensitive subjects or cases involving jurisdictional problems.

Time-in-Grade: In addition to the above requirements, you must meet the following time-in-grade requirement, if applicable: For the GS-13, you must have been at the GS-12 level for 52 weeks.

For the GS-12, you must have been at the GS-11 level for 52 weeks.

Time After Competitive Appointment: Candidates who are current Federal employees serving on a non-temporary competitive appointment must have served at least three months in that appointment.

Major Duties:

This position is located at the Treasury Inspector General for Tax Administration, 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.

Check your resume before applying to catch common mistakes

Browse Similar Jobs

Posted on USAJOBS: 3/27/2026 | Added to FreshGovJobs: 3/27/2026

Source: USAJOBS | ID: 26-TIGTA-12918232