INVESTIGATOR, PA OFFICE

Boone County Government, Missouri; Columbia Township (MO); On-site; USD 38,000 - 39,000; Full time

Benefits offered by this job

Health insurance

Retirement plan

Job summary

Boone County Government, Missouri seeks an Investigator for the PA Office to assist prosecuting attorneys in criminal investigations, gather evidence, prepare reports, and support trial preparation for serious felonies.

This full-time, benefited role requires POST certification, writing and computer skills, and a clean record; it is based in Columbia, Missouri with standard 8:00 a.m. – 5:00 p.m. hours.

Qualifications

• High school diploma or GED, and a minimum of three years law enforcement and investigations experience.
• Excellent writing abilities and computer skills.
• Must be Missouri Peace Officer Certification (POST) certified.
• Clear criminal record (excluding minor traffic violations).

Responsibilities

• Conducts criminal investigations and assists prosecuting attorneys in preparing cases for trial, including serious felony offenses.
• Interviews witnesses, gathers and analyzes evidence, prepares investigative reports and courtroom exhibits, serves subpoenas, and testifies in court.
• Collaborates with law enforcement agencies, attorneys, and other criminal justice professionals to support investigations and successful case prosecution.

Skills

Excellent writing

Computer skills

Education

High School Diploma or GED

Missouri POST Certification

Job description

JOB OPPORTUNITY #: 23-026
INVESTIGATOR, PA OFFICE
PROSECUTING ATTORNEY

POSTED: 10/21/26

Responsibilities:

Conducts criminal investigations and assists prosecuting attorneys in preparing cases for trial, including serious felony offenses. Interviews witnesses, gathers and analyzes evidence, prepares investigative reports and courtroom exhibits, serves subpoenas, and testifies in court. Collaborates with law enforcement agencies, attorneys, and other criminal justice professionals to support investigations and successful case prosecution.

Status:

Full time, non-exempt, benefited

Working hours:

8:00 a.m. - 5:00 p.m., Monday - Friday

Location:

Columbia, Missouri

Qualifications:

High school diploma or GED, and a minimum of three years law enforcement and investigations experience. Excellent writing abilities and computer skills. Must be Missouri Peace Officer Certification (POST) certified. Clear criminal record (excluding minor traffic violations).

Salary Range:

$27.42 - $28.25 per hour

Benefits:

• Benefit-eligible employees receive paid vacation, 14 paid holidays, enrollment in the County Employees Retirement Fund, and two matching deferred compensation plans.
• Other benefits include 100% County paid or low-cost employee health insurance premium options, 100% County paid employee dental premiums, subsidized dependent premiums, and County paid long-term disability and life insurance.