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Cook County Investigator Jobs (NOW HIRING)

Provest LLC

Process Server

Moline, IL · Remote

Residing within or near Cook County is preferred. Ideal Candidates * Experience in private investigation, law enforcement, or legal services is a plus. * Highly organized, professional, and detail ...

Provest LLC

Process Server

Mount Carmel, IL · Remote

Residing within or near Cook County is preferred. Ideal Candidates * Experience in private investigation, law enforcement, or legal services is a plus. * Highly organized, professional, and detail ...

Provest LLC

Process Server

Pittsfield, IL · Remote

Residing within or near Cook County is preferred. Ideal Candidates * Experience in private investigation, law enforcement, or legal services is a plus. * Highly organized, professional, and detail ...

Provest LLC

Process Server

Tampa, FL · On-site

Residing within or near Cook County is preferred. Ideal Candidates * Experience in private investigation, law enforcement, or legal services is a plus. * Highly organized, professional, and detail ...

Provest LLC

Process Server

Galesburg, IL · Remote

Residing within or near Cook County is preferred. Ideal Candidates * Experience in private investigation, law enforcement, or legal services is a plus. * Highly organized, professional, and detail ...

Provest LLC

Residing within or near Cook County is preferred. Ideal Candidates * Experience in private investigation, law enforcement, or legal services is a plus. * Highly organized, professional, and detail ...

Provest LLC

Process Server

Hamilton, IL · Remote

Residing within or near Cook County is preferred. Ideal Candidates * Experience in private investigation, law enforcement, or legal services is a plus. * Highly organized, professional, and detail ...

Provest LLC

Process Server

Lawrenceville, IL · Remote

Residing within or near Cook County is preferred. Ideal Candidates * Experience in private investigation, law enforcement, or legal services is a plus. * Highly organized, professional, and detail ...

Provest LLC

Process Server

Jacksonville, IL · Remote

Residing within or near Cook County is preferred. Ideal Candidates * Experience in private investigation, law enforcement, or legal services is a plus. * Highly organized, professional, and detail ...

Provest LLC

Process Server

Canton, IL · Remote

Residing within or near Cook County is preferred. Ideal Candidates * Experience in private investigation, law enforcement, or legal services is a plus. * Highly organized, professional, and detail ...

Provest LLC

Process Server

Havana, IL · Remote

Residing within or near Cook County is preferred. Ideal Candidates * Experience in private investigation, law enforcement, or legal services is a plus. * Highly organized, professional, and detail ...

Union County PA

Cook - Part Time

Lewisburg, PA

$12.50 - $16.75/hr

Prepares and cooks food; packs noon lunches; operates various machinery and equipment associated ... investigation. Position will be posted until filled. Union County is an EOE. Company Description ...

Inyo, County of (CA)

Cook

Independence, CA

$46K - $60K/yr

... investigation Must successfully pass pre-employment fingerprint scan Position may be required to ... Inyo County will make reasonable efforts in the examination process on a case-by-case basis to ...

Inyo County, CA

Cook

CA · On-site

$46K - $60K/yr

Must successfully complete a pre-employment background investigation * Must successfully pass pre ... Position may be required to serve as a Disaster Service Worker during a County emergency * Must be ...

Circuit Court of Cook County

Staff Attorney

Chicago, IL · On-site

$126K/yr

... Cook County (APD) with respect to compliance with federal, state and local labor and employment ... Investigate employee or other complaints alleging illegal discrimination and/or sexual harassment ...

Miami County

Full-Time Cook

Troy, OH · On-site

$20/hr

... County Health Department. Ensures complete setup of food trays and proper portions of food that ... investigation, or reasonable accommodation processes. Powered by JazzHR vCQh8wv7Vl

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All JobsLegal JobsInvestigator JobsCook County Investigator Jobs

Cook County Investigator information

See salary details

$35K

$65.2K

$89.5K

How much do cook county investigator jobs pay per year?

As of Aug 21, 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 is a Cook County investigator?

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 are some common challenges faced by a Cook County investigator 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 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 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 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
Infographic showing various Cook County Investigator job openings in the United States as of August 2026, with employment types broken down into 2% As Needed, 74% Full Time, 20% Part Time, 1% Temporary, and 3% Contract. Highlights an 96% Physical, 2% Hybrid, and 2% Remote job distribution, with an average salary of $65,243 per year, or $31.4 per hour.

Process Server

Provest LLC

Moline, IL • Remote

Contractor

Re-posted 8 days ago

Job description

Illinois Process Server Ads

Experienced Process Servers Needed in County, IL
Position: Independent Contractor (1099)
Location: Rock Island County, IL

About ProVest

ProVest is a leading legal support services firm, providing nationwide process serving to top law firms and financial institutions. We specialize in foreclosure and collection proceedings, and civil complaints, ensuring compliance with legal and regulatory requirements.

Job Overview

We are seeking self-motivated, detail-oriented individuals to serve as Civil Process Servers on a contract basis. This role offers flexibility, autonomy, and the ability to manage your own schedule while ensuring timely and accurate service of legal documents.

Responsibilities

  • Attempt service on all assigned cases at least every 72 hours.
  • Activate cases within 24 hours of receiving documents.
  • Make at least one weekend attempt per assigned file.
  • Ensure due diligence with 3-8 attempts before marking a case as non-served (weekday mornings, afternoons, evenings, weekends).
  • Capture GPS-stamped photos and log attempts using our proprietary mobile apps (PVLS & PSO).
  • Complete and return affidavits promptly to receive payment.

Requirements

  • PERC card required (Prior experience in process serving preferred).
  • Reliable transportation, valid driver’s license, and auto insurance.
  • Ability to work variable hours, including mornings, evenings, and weekends.
  • Comfortable using mobile apps and technology for case management.
  • Access to a computer, printer, and scanner.
  • Residing within or near Cook County is preferred.

Ideal Candidates

  • Experience in private investigation, law enforcement, or legal services is a plus.
  • Highly organized, professional, and detail-oriented.

How to Apply

Interested candidates should email their updated resume to: Anthony.Smith@ProVest.us