Applications accepted through December 15, 2017

Graduation from an accredited college or university with a Bachelor’s degree plus two years of work experience in the performance of fact finding analysis and investigative research and reporting work, or an equivalent combination of education, training, and experience provided that the minimum degree requirement is met. A valid State of Illinois driver’s license is required, as well as the availability to work any duty watch.



  • Interviews difficult or uncooperative complainants, witnesses, and employees to gather facts in order to investigate cases of alleged criminal activity, official misconduct, and violations of personnel and administrative rules by city employees;
  • Conducts site visits to collect physical evidence and to perform detailed analysis of work records and related documents (e.g., time sheets, activity reports, financial statements);
  • Uses photographic and video equipment in the conduct of surveillance work to observe criminal activities or acts of misconduct (e.g. fraud, corruption, residency violations);
  • Interviews complaints and all parties involved in formal complaints of sexual harassment or violence in the workplace cases involving city employees’ conduct towards the general public;
  • Prepares detailed reports of investigations conducted, including findings of waste and inefficiency of city programs, and makes recommendations for discipline and improvements to departmental operations;
  • Assists senior staff and personnel from operating departments participating in the conduct of criminal, large-scale and complex investigations;
  • Establishes and maintains confidential sources in order to obtain additional information for pending investigations;
  • Testifies in court, at arbitrations or hearings on investigation findings;
  • Updates and maintains case management records in order to report on the status of assigned investigations;

Note:    The list of essential duties is not intended to be inclusive; there may be other duties that are essential to particular positions within the class.


  • General office environment
  • Exposure of outdoor weather conditions
  • Exposure to hazardous situations (e.g., surveillance work in isolated locations)



  • Standard office equipment (e.g., telephone, printer, photocopier, fax machine, calculator)
  • Computers and peripheral equipment (e.g., personal computer, computer terminals, hand-held computer, modems)
  • Two-way radio
  • Photographic and video equipment


  • Ability to walk and stand for extended or continuous periods of time
  • Ability to sit for extended or continuous periods of time
  • Ability to access locations where alleged criminal activity or misconduct has occurred




Moderate knowledge of:

  • Investigation and inspection methods, techniques, practices, and procedures
  • Evidence collection and analysis methods, practices, and procedures
  • Record keeping and report preparation methods, practices, and procedures
  • Geographical locations in the city
  • Applicable City and department policies, procedures, rules, and regulations


  • ACTIVE LEARNING – Understand the implications of new information for both current and future problem-solving and decision-making
  • ACTIVE LISTENING – Give full attention to what other people are saying, take time to understand the points being made, ask questions as appropriate, and not interrupt at inappropriate times
  • CRITICAL THINKING – Use logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions, or approaches to problems
  • COORDINATION WITH OTHERS – Adjust actions in relation to others’ actions
  • JUDGEMENT AND DECISION MAKING – Consider the relative costs and benefits of potential actions to choose the most appropriate one


  • COMPREHEND ORAL INFORMATION – Listen to and understand information and ideas presented through spoken words and sentences
  • SPEAK – Communicate information and ideas in speaking so others will understand
  • COMPREHEND WRITTEN INFORMATION – Read and understand information and ideas presented in writing
  • WRITE – Communicate information and ideas in writing so others will understand
  • REASON TO SOLVE PROBLEMS – Apply general rules to specific problems to produce answers that make sense
  • REACH CONCLUSIONS – Combine pieces of information to form general rules or conclusions (includes finding a relationship among seemingly unrelated events)

Other Work Requirements

  • PERSISTENCE – Persist in the face of obstacles on the job
  • INITIATIVE – Demonstrate willingness to take on job challenges
  • DEPENDABILITY – Demonstrate reliability, responsibility, and dependability and fulfill obligations
  • ATTENTION TO DETAIL – Pay careful attention to detail and thoroughness in completing work tasks
  • ANALYTICAL THINKING – Analyze information and using logic to address work or job issues and problems

 ANNUAL SALARY:                    

  • Range: $62,448 – $84,324 (annual increases)
  • Starting $62,448; Post successful six-month review $65,496


  • Travel outside Chicago is not required.
  • Standard work hours are 8:30am-4:30pm, flexibility permitted.

 RESIDENCY REQUIREMENT:  Employees must be a resident of the City of Chicago and proof of residency is required at the commencement of employment.

Apply for the Investigator II position here: Investigator II Application