Criminal Tax Enforcement Investigator (REVENUE SPECIAL AGENT)

State of Illinois; Des Plaines (IL); Hybrid; USD 75,000 - 109,000; Full time

Benefits offered by this job

Hybrid work schedule

Pension and retirement benefits

Job summary

The Illinois Department of Revenue is hiring three Criminal Tax Enforcement Investigators (Revenue Special Agents) in Southern Cook County. Roles involve sworn investigative work into tax fraud and related financial crimes, with potential for a hybrid in-office schedule depending on needs.

Applicants should be prepared for travel and courtroom testifying duties, and must complete specialized training. Benefits include a generous salary package, time off, pension, and tuition reimbursement.

Qualifications

• Requires the equivalent of four years of college coursework.
• Requires successful completion of the Revenue Special Agent Trainee training program.

Responsibilities

• Conduct journeyman level investigations into tax fraud and related financial crimes.
• Prepare detailed progress and final investigation reports.
• Testify in court and assist in prosecutorial actions as needed.
• Travel to remote locations to gather evidence and interview individuals.

Education

Four-year college degree

Job description

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Criminal Tax Enforcement Investigator (REVENUE SPECIAL AGENT)

We continually strive for a workforce that reflects the growing diversity within the State of Illinois. A variety of employee backgrounds, perspectives, ideas and experiences are crucial to our ability to most effectively serve the public. Bilingual skills welcome

Reasonable Accommodation Statement

The State of Illinois is committed to working with and providing reasonable accommodations to people with disabilities. Further, federal law requires employers to provide reasonable accommodation to qualified individuals with disabilities. Please tell us if you require a reasonable accommodation to apply for a job, interview for a job, or for any other activity related to the hiring process. Examples of reasonable accommodation include, but are not limited to, making a change to the application process (if possible), providing documents in an alternate format, using a sign language interpreter, or using specialized equipment.

To be provided a Reasonable Accommodation during the hiring process, you will need to provide a certification of disability from a physician, psychiatrist, school official or an Illinois Department of Human Services (DHS) Division of Rehabilitation Services (DRS) Vocational Rehabilitation (VR) Counselor. Supporting documentation should be uploaded under My Documents → Additional Documents section for each application.

Any questions on Reasonable Accommodations can be directed to Central Management Services Disability Resource Center at [e-mail] or call [phone] for further information and to request or discuss an accommodation.

Sponsorship for Employment

The State of Illinois does not provide sponsorship for employment visa status (e.g. H-1B visa status), nor is the State able to provide extensions of optional practical training (OPT) under the STEM-designated degree program for F-1 students. To be considered for permanent employment with the State of Illinois, applicants must be currently authorized to work in the United States on a full-time basis.

Disclosure of Salary Information

In compliance with the Illinois Equal Pay Act, 820 ILCS 112/1 et seq., the State does not seek, request, or require a job applicant’s wage or salary history. Employment decisions are not made based on an applicant’s wage or salary history. To that end, please do not include wage or salary information in your resume or other profile or application materials.

Job Requisition ID: 58385

Opening Date: 09/24/2026

Closing Date: 10/08/2026; 11:59pm

Agency: Department of Revenue

Class Title: REVENUE SPECIAL AGENT - 38558

Skill Option: None

Bilingual Option: None

Salary: Anticipated Starting Salary $6,748 monthly; Full Range $6,748-$9,757

Job Type: Salaried

Category: Full Time

Number of Vacancies: 3

Bargaining Unit Code: RC062 Technical Employees, AFSCME

Merit Comp Code:

Work Hours: 8:30am-5:00pm, Monday-Friday

Anticipated Hybrid Work Schedule Availability: 1 to 5 Days per week in office, depending on operational needs

Headquarter Location: IL Department of Revenue

Criminal Investigations/Special Agent in Charge/Southern Cook Office

Illinois Department of Revenue - Human Resources

Willard Ice Building, 101 W Jefferson St, WIB Mail Code 5-110, Springfield, IL 62702

PHONE- 217-782-7064

Please Note: You must have successfully completed the Revenue Special Agent Trainee training program to qualify for the Revenue Special Agent.

This position is a union position; therefore, provisions of the relevant collective bargaining agreement/labor contract apply to the filling of this position.

All applicants who want to be considered for this position MUST apply electronically through the illinois.jobs2web.com website. State of Illinois employees should click the link near the top left to apply through the SuccessFactors employee career portal.

Applications submitted via email or any paper manner (mail, fax, hand delivery) will not be considered.

Why Work for Illinois?

Working with the State of Illinois is a testament to the values of compassion, equity, and dedication that define our state. Whether you’re helping to improve schools, protect our natural resources, or support families in need, you’re part of something bigger—something that touches the lives of every person who calls Illinois home.

No matter what state career you’re looking for, we offer jobs that fit your life and your schedule—flexible jobs that provide the gold standard of benefits. Our employees can take advantage of various avenues to advance their careers and realize their dreams. Our top-tier benefits and great retirement packages can help you build a rewarding career and lasting future with the State of Illinois.

Position Overview

Would you like to work for a professional organization that provides steady hours and an exceptional benefits package? How about a workplace with career and personal growth opportunities? Then consider working for the Illinois Department of Revenue. We are hiring three (3) Criminal Tax Enforcement Investigators (Revenue Special Agents) in the Bureau of Criminal Investigations (BCI) for our Southern Cook County location. This position is responsible for conducting highly specialized investigations into violations of the Illinois Tax Acts and associated financial crimes. Agents are fully sworn officers that conduct thorough investigations, appropriately document findings in written reports and testify in court. Following successful completion of the applicable training period(s), this position may be eligible for a hybrid work schedule subject to operational needs and employee performance. If you are a strong communicator with good attention to detail and have critical thinking skills, then we want you! Don’t let this opportunity pass you by.

The benefits of working at Department of Revenue include a 37 ½ hour work week, a generous salary and benefits package (paid time off for vacation, sick, or personal leave, thirteen holidays) pension and other retirement benefits, tuition reimbursement, and insurance eligibility on day one (medical, dental, vision, and life).

Essential Functions

• Under general supervision, as a sworn peace officer, independently conducts journeyman level inter-state and intra-state criminal investigations of tax fraud, tax evasion and other illegal acts which circumvent or violate tax laws administered by the Illinois Department of Revenue (IDOR).
• Drives to remote locations to obtain facts and evidence through surveillance, under cover assignments and interviews with taxpayers and their representatives, complainants, witnesses and others, analysis of books, records and bank accounts to determine extent and scope of violation, such as manipulation of funds, alterations of records and identification of additional issues, e.g., conspiracy, false statement, concealment of facts, etc.
• Meets and confers with taxpayers, their representatives, retailers, business associates and others.
• Serves as a team member in the more controversial or complex investigations involving one or more entities or individuals where in facts or evidence is difficult to establish, principles are of public prominence and widespread news coverage occurs.
• Prepares detailed progress and final reports of investigations.
• Assists in preparing cases for prosecution by the Attorney General, the State’s Attorney and the United States Attorney.
• Attends law enforcement meetings and advanced training programs involving new or revised statutes, rules and regulations, IDOR policies and procedures, and investigative techniques needed to enhance investigative skills and knowledge.
• Works closely with Federal, State and local law enforcement agencies in conducting joint investigations or in exchanging information within legal limitations.
• Performs other duties as required or assigned which are reasonably within the scope of the duties enumerated above.

Minimum Qualifications

• Requires equivalent to the completion of four years of college; up to two years of police investigative or enforcement experience may be substituted on a year-for-year basis for the college training.
• Requires successful completion of the Revenue Special Agent Trainee training program.

Conditions of Employment

• Requires the ability to successfully pass a tax compliance and an extensive fingerprint-based background check, POWER fitness test, drug screen and psychological evaluation.
• Requires successful completion of a firearms qualification course twice a year.
• Requires the ability to maintain LEADS certification while employed.
• Requires ability to travel in the performance of duties, with overnight stays as appropriate. Requires appropriate, valid driver’s license.
• Requires the ability to use and secure a state issued mobile device, e.g., cellular phone, laptop computer, tablet, etc.
• Requires the ability to drive, secure and maintain a State/Revenue issued vehicle.
• Requires ability to maintain compliance in good standing with all statutorily mandated training requirements and reporting as outlined by ILETSB.
• Overtime is a condition of employment, and you may be requested or required to work overtime including scheduled, unscheduled, or last-minute overtime. This may require the ability to work evenings and weekends.
• The conditions of employment listed here are incorporated and related to any of the job duties as listed in the job description.

Agency Statement

The Illinois Department of Revenue (IDOR) is responsible for administering the state's tax laws and collecting taxes in a fair, consistent, and efficient manner. Their goal is to provide accurate, timely, and reliable funding and information to both state and local communities. By implementing best practices, IDOR works to continuously improve and enhance accuracy, efficiency, and productivity across all areas of operations and tax administration. In doing so, they aim to earn respect, deliver value, and serve as a trusted source of information for the public.

IDOR is a professional governmental entity that prioritizes its employees and actively invests in their success through comprehensive training and engagement. As the proud Platinum recipient of the 2026 Bell Seal for workplace mental health, IDOR cultivates an environment that encourages open dialogue and collaboration on mental health issues. With a strong commitment to diversity—both culturally and professionally—IDOR believes that this inclusive approach leads to a more productive workplace, ultimately benefiting the citizens and taxpayers of Illinois.

This position DOES NOT contain “Specialized Skills” (as that term is used in CBAs).