Oiig Senior Investigator - Office Independent Inspector General; Actively

Job Description - OIIG SENIOR INVESTIGATOR - THE OFFICE OF THE INDEPENDENT INSPECTOR GENERAL (ACTIVELY RECRUITED) )

Mar 11, 2026, 12:37:59 AM

Mar 25, 2026, 4:59:00 AM

Full-time. Start: 8:30 A.M. End: 4:30 P.M.

Offices Under the President

Cook County Administration 69 W. Washington

• Cook County Offices
• Under The President
• Administrative Hearings
• Auditor
• Bureau of Administration
• Bureau of Economic Development
• Bureau of Finance
• Bureau of Human Resources
• Bureau of Technology
• Facilities
• Office of the President

The Office of the Independent Inspector General (OIIG) was created to detect, deter and prevent corruption, fraud, waste, mismanagement, unlawful political discrimination or misconduct in the operation of Cook County Government. Cook County, Ill., Ordinances 07-O-52 (2007). Conducts investigations primarily in connection with reported incidents of improprieties. Prepares confidential reports of a complex nature and makes recommendations to other senior level staff.

May establish and maintain advisory and liaison contacts with officials in federal, state and municipal Governments, including the Federal Bureau of Investigation, United States Secret Service, Illinois Attorney General's Office, Cook County State's Attorney's Office, and the United States Attorney’s Office. Consults with the OIIG Supervising Investigator and other senior level staff. May supervise OIIG Investigators and other support staff as required.

This position may also involve a concentration focusing on investigation, compliance, oversight, auditing and monitoring of government compliance with the terms of the orders entered in the Shakman v. Cook County prohibiting unlawful political discrimination.

This position is Actively Recruited and at will.

• Graduation from an accredited college or university with a Bachelor’s degree is required.

Six (6) years of full-time work experience in the conduct of investigations involving criminal or fraudulent activity, audits, administrative violations or other matters of potential civil liability is required.

-OR-

Six (6) years of full-time work experience practicing law in the fields of civil or criminal litigation.

• Knowledge of rules, regulations and operating procedures as they pertain to investigating reported incidents of improprieties at all levels of government.
• Knowledge of applicable laws and regulations of state, local and other authorities relative to reported cases of fraud and waste of governmental assets.
• Skill in performing in-depth, confidential and sensitive investigations as it pertains to reported incidents of improprieties involving all levels.
• General knowledge of the legal process as it pertains to the prosecution of criminal cases and any court proceedings which may take place.
• Ability to provide testimony in court in an accurate and informed manner.
• Knowledge of the rules of evidence relating to investigations and testimony.
• Skill and ability to obtain and organize facts and information from others.
• Self-motivated, in addition to working well with others.
• Public speaking and leadership skills necessary to articulate issues and concerns regarding confidential issues of investigations and other improprieties.
• Skill in the use of Microsoft Office Suite with emphasis on Word and Excel.

Sedentary Work involves exerting up to 10 pounds of force occasionally or a negligible amount of force frequently to lift, carry, push, pull, or otherwise move objects. Sedentary work involves sitting most of the time but may involve walking or standing for brief periods of time.

The duties listed are not set forth for purposes of limiting the assignment of work. They are not to be construed as a complete list of the many duties normally to be performed under a job title or those to be performed temporarily outside an employee's normal line of work.

• Medical, Dental, and Vision
• Basic Term Life Insurance
• Pension Plan
• Deferred Compensation Program
• Employee Assistance Program
• Paid Holidays, Vacation, and Sick Time
• Voluntary Benefits
• You May Qualify for the Public Service Loan Forgiveness Program (PSLF)
• For eligible employees the County has a hybrid work environment which allows employees telecommuting and flexible scheduling options.
• The County has a hybrid work environment which allows employees telecommuting and flexible scheduling options.

* This position requires successful completion of post-offer tests, which may include a background check, drug screen and medical examination.

* Must be legally authorized to work in the United States without sponsorship.

Falsification of any information in the application process will result in disqualification, dismissal after hire, and/or placement on the County’s Ineligible for Rehire List for a period of two (2) or five (5) years. For current County employees, such…