TheJobsMapJefferson County, Missouri - Government jobs and careers
Hillsboro, MO, United States
As of October 24, 2026, Jefferson County, Missouri - Government has no open roles listed.
About Jefferson County, Missouri - Government
Jefferson County was created by "Act of Territory" December 8, 1818. Named in honor of Thomas Jefferson (1743-1826), Jefferson County became a Charter form of Government in November 2008 by the voters. Jefferson County, located in the eastern part of the state, is the sixth most populous county in Missouri.
- Employees
- 501 to 1,000
- Headquarters
- Hillsboro
Leadership
The top of Jefferson County, Missouri - Government's org chart, with how many people report into each leader.
Dennis Gannon
County Executive
11 reports
Ashley Fears
Deputy Director Of Administration
4 reports
Trisha Stefanski
Prosecuting Attorney
2 reports
Jason Jonas
Public Works Director
1 report
Jalesia F.m. Kuenzel
Jefferson County Counselor
Jobs at Jefferson County, Missouri - Government
No open positions right now. Explore more companies on TheJobsMap.
Jefferson County, Missouri - Government jobs: common questions
- Is Jefferson County, Missouri - Government hiring right now?
- Jefferson County, Missouri - Government has no open roles listed as of October 24, 2026. Roles appear here as soon as they are posted on Jefferson County, Missouri - Government's careers site.
- Where is Jefferson County, Missouri - Government headquartered?
- Jefferson County, Missouri - Government is headquartered in Hillsboro, MO, United States.
- Who leads Jefferson County, Missouri - Government?
- Dennis Gannon, County Executive, is at the top of Jefferson County, Missouri - Government's org chart.
- How do I apply for a job at Jefferson County, Missouri - Government?
- Pick a role on Jefferson County, Missouri - Government's TheJobsMap page and select Apply. Every listing links to the original posting on Jefferson County, Missouri - Government's own careers site, so you apply directly with the employer.