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Cook County Investigator Jobs (NOW HIRING)

SpecialtyRx

Pharmacist

Chicago, IL · On-site

$60 - $72.25/hr

NEW LOCATION -- COOK COUNTY, ILLINOIS NEW CLOSED-DOOR PHARMACY OPENING SOON! Competitive Pay ... Investigate and resolve medication-related inquiries. * Communicate effectively with nursing staff ...

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Cook County Investigator information

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$35K

$65.2K

$89.5K

How much do cook county investigator jobs pay per year?

As of Jul 10, 2026, the average yearly pay for cook county investigator in the United States is $65,243.00, according to ZipRecruiter salary data. Most workers in this role earn between $54,000.00 and $75,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Cook County Investigator, and why are they important?

To thrive as a Cook County Investigator, you typically need a background in criminal justice or a related field, investigative experience, and often law enforcement certification. Proficiency with case management systems, evidence collection tools, and legal research databases is essential. Strong analytical thinking, attention to detail, and effective communication skills help investigators excel in gathering facts and presenting findings. These capabilities are critical to ensuring thorough, lawful investigations that support public safety and justice.

What are some common challenges faced by Cook County Investigators in their daily work?

Cook County Investigators often face challenges such as managing high caseloads, working under tight deadlines, and navigating complex legal procedures. They may need to balance fieldwork—like gathering evidence and interviewing witnesses—with extensive documentation and collaboration with attorneys or law enforcement. Additionally, investigators must adapt to rapidly changing case priorities and maintain strict confidentiality, making time management and resilience essential for success in this role.

What is the difference between Cook County Investigator vs Cook County Detective?

AspectCook County InvestigatorCook County Detective
Required CredentialsHigh school diploma or GED, law enforcement training, possibly some college courseworkSimilar requirements, often with additional law enforcement certifications
Work EnvironmentOffice settings, field investigations, interviewsFieldwork, crime scenes, surveillance
Employer & IndustryCook County government, law enforcement agenciesCook County law enforcement agencies, criminal investigations

Cook County Investigators and Detectives both work within law enforcement, often with overlapping qualifications. Investigators typically focus on gathering evidence and conducting interviews, while Detectives may handle more complex criminal investigations and crime scene analysis. Both roles are essential in the criminal justice process and share similar work environments and employer settings.

What are Cook County Investigators?

Cook County Investigators are professionals employed by Cook County government agencies, such as the State's Attorney's Office or the Sheriff's Office, to conduct investigations related to criminal, civil, or administrative matters. Their duties include gathering evidence, interviewing witnesses, preparing investigative reports, and sometimes testifying in court. They play a crucial role in supporting legal proceedings and ensuring that cases are thoroughly examined. Investigators often work closely with law enforcement, attorneys, and other government officials to ensure justice and maintain public safety.
What cities are hiring for Cook County Investigator jobs? Cities with the most Cook County Investigator job openings:
What are the most commonly searched types of Cook County Investigator jobs? The most popular types of Cook County Investigator jobs are:
What states have the most Cook County Investigator jobs? States with the most job openings for Cook County Investigator jobs include:
What job categories do people searching Cook County Investigator jobs look for? The top searched job categories for Cook County Investigator jobs are:
Cook County Investigator jobs near you

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

Cook County Offices

Chicago, IL • On-site

$109K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 8 days ago

Job description

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
Job Summary
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.
Minimum Qualifications
  • 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, Skills, Abilities and Other Characteristics
  • 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.

Physical Requirements
Sedentary Work
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.
Group and Voluntary Benefits Offered:
  • 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 further information on our excellent benefits package, please click on the following link: http://www.cookcountyrisk.com/
  • For eligible employees the County has a hybrid work environment which allows employees telecommuting and flexible scheduling options.

Salary: $109,198 / Yearly
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.
Please contact BHR.WorkforceStrategy@cookcountyil.gov for inquiries about this position.
*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 falsification may result in discipline, up to and including termination, and placement on the County's Ineligible for Rehire List for a period of two (2) or five (5) years. See Cook County Code of Ordinances, Article II, Sections 44-54 Unlawful Practices Relating to Employees and Employment - Penalty , 44-56 Political Discrimination ; OIIG Employment Plan, Section V.N. Pre-Interview License and Certification Verification ; Supplemental Policy No. 2014-2.13 Ineligible for Rehire List ; and Cook County Personnel Rules 3.3(b) (7) (d).
EEO Statement
Cook County Government is an Equal Employment Opportunity ("EEO") employer. Cook County prohibits illegal discrimination and harassment and affords equal employment opportunities to employees and applicants without regard to race, color, sex, age, religion, disability, national origin, ancestry, sexual orientation, marital status, parental status, source of income, housing status, military service or discharge status, gender identity, genetic information, or any other protected category established by law, statute or ordinance as further defined in Chapter 44. Human Resources, Article II. Personnel Polices, Section 44-53 of the Cook County Code of Ordinances and Chapter 42. Human Relations, Article II. Human Rights, Section 42-35 of the Cook County Code of Ordinances.
Social Media Disclaimer
The County's hiring process is governed by the OIIG Employment Plan which prohibits employment actions from being influenced by any Political Reasons or Factors for Non-Exempt Positions. The advertisement of this position by any individual does not constitute an offer or promise of
COOK COUNTY IS AN EQUAL OPPORTUNITY EMPLOYER

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