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Once a test date has been determined, you will be notified by email with the details. This test will be to establish a hiring eligibility list.  


*This test will be to establish a hiring eligibility list.

Please note: Your check will be cashed once it’s received, and it is your responsibility to keep your application and email address up to date with our office.

For any questions please contact:

Will County Sheriff’s Merit Commission
16911 W. Laraway Rd - Suite 201
Joliet, IL 60433

Map to Location - Driving Directions

Building Hours: Monday thru Friday 8:00 AM to 3:00 PM

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In This Page


  1. U.S. Citizen
  2. Must Be 21 Years of age by Feb.1,2022 (NO AGE CAP)
  3. Valid Driver’s License
  4. High School or GED Graduate or 2 Years Full-Time Correctional Officer or Police Officer Experience on the same Department.
    (Must supply related information to verify police / corrections experience.)
  5. No felony or certain misdemeanor convictions from any jurisdiction
  6. Must establish residency in Will County within 2 years from date of appointment.
  7. COVID vaccine before attending the academy (ILLINOIS TRAINING BOARD REQUIREMENT)

  8. FOID CARD – If you do not have one, you need to apply now.

  9. Work mandatory overtime as necessitated by staffing – not to exceed two force backs in a row.

You may download an application from this website - Application for Deputy Correctional Officer (PDF) - or they are available to pick up at the following location:

Will County Sheriff’s Merit Commission - Map to Location
16911 W Laraway Rd - Suite 201, Joliet, IL

The Testing Process:

A written test, C.A.T. (Corrections Agility Test), a 32-page long application, personality evaluation screening, a polygraph exam, an in-depth background investigation, and an interview with the Will County Merit Commission Board. After you successfully pass the test and interview you are placed on a certified list of applicants. Once certified you will be interviewed by the administrative staff at the ADF.  You will then be sent for a full medical exam including a drug-screening test before being hired.

Written Test:

*This will be conducted electronically from your computer.*

The written test component for the position of Correctional Officer is designed to measure the applicant’s proficiency in the following areas:

  • Reading Comprehension
  • Problem Solving
  • Report Writing

A grade of 70% for EACH section is necessary for the applicant to pass and continue with the testing process.

C.A.T. Test (Corrections Agility Test)

You must pass all four of these sections to pass the C.A.T. and continue the process. You must attend your scheduled appointment. This test cannot be rescheduled, no exceptions.

*The applicant will be required to pay the $45.00 fee, when they register online for the test. 

The Corrections Agility Test is comprised of:

  • Sit and Reach - 14
  • 1 Minute Sit Ups - 24
  • Maximum Bench Press - 50% of body weight for Females, 70% of body weight for Males
  • 1 Mile Run - 12 minutes or less

The Long Application

The applicant will be mailed a 32-Page Long Application and information sheets to completely fill out with all the personal information as well as listing references and employment history for the past 10 years. This document must be notarized prior to mailing back to our office.

Fingerprint Appointment:

You will be given an appointment date & time to come into our office to be fingerprinted and photographed.  You will also be required to bring the original/copy of the following items for us to copy in our office for you: original/copy of your Birth Certificate, High School or GED diploma.  Bring the original Social Security Card, Driver’s License and FOID Card.

Personality Evaluation:

Applicant will be given an information sheet to make an appointment for their personality evaluation. The results of this test is a recommended or not recommended. Applicant must be recommended to continue in the process.

Polygraph Exam:

Applicant will be given information to make an appointment for their polygraph exam. Applicant must pass polygraph exam to continue in the process.

In-Depth Background Investigation:

A mail-out is completed from the Long Application. An investigator conducts a background investigation on applicant and writes up a report.

Oral Interviews:

Applicant will be scheduled for interviews and must pass all interviews in order to be hired.

Post Employment Information on Training:

Once the applicant is hired as a Will County Correctional Officer, he / she will receive the following training:

  • Five weeks of Basic Corrections Training 
  • Twelve weeks of in-house on the job training.
  • Three weeks of Direct Supervision class, in-house.
  • Forty hours of annual In-Service Training.
  • After the initial training phase, the Correctional Officer will choose his / her assignment by rank seniority.


 Application for Deputy Correctional Officer (PDF)   Family and Medical Leave Act Information (PDF)