O'Fallon, IL jobs, layoffs and employers

25 open professional jobs in O'Fallon. O'Fallon is in St. Clair County.

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Jobs in O'Fallon

CCARS / Document Management Software Test EngineerCaci-Iss
Suite Senior DeveloperCaci-Iss
Agile Scrum MasterCaci-Iss
Release Train EngineerCaci-Iss
Scrum MasterCaci-Iss
Audit AnalystCaci-Iss
Senior ServiceNow ITMS DeveloperCaci-Iss
Section 508 Compliance Test EngineerCaci-Iss
RPA DeveloperCaci-Iss
SAP SCM Software Test EngineerCaci-Iss

Search all jobs in O'Fallon

Employers hiring most in O'Fallon

Caci-Iss11 open roles
Caci, LLC - Commercial4 open roles
Caci, Inc. - Federal3 open roles
Booz Allen Hamilton1 open role
CACI International1 open role
Caci NSS1 open role
Caci Technologies1 open role
Entelligence1 open role
O2B Kids1 open role
US Army Civilian Human Resources Agency1 open role

O'Fallon layoffs

No layoff notices naming O'Fallon in the last 12 months are on file. The WARN Act covers employers with 100 or more workers, so smaller layoffs are not in it.

All layoff notices in the state

St. Clair County outlook: Steady

Built from public Bureau of Labor Statistics and Census figures. It describes the area, not any one employer in it.

Private-sector jobs down 0.9% from 2022 to 2025
Population down 2.5% from 2020 to 2025
Unemployment 3.8%, down 0.8 points from a year ago
Sectors adding the most jobs: health care (+777 jobs)
Sectors losing the most jobs: admin & staffing (−1,449 jobs), retail (−472 jobs)

Learn and get funded in O'Fallon

Which AI skills each kind of job asks for, with the pay premium.
Your local workforce board and American Job Centers: training vouchers and re-employment help.
Grants and funding for job seekers, ranked for your state and situation.
Unemployment benefits by state, if you are between jobs.

Workforce development and job centers

The public workforce board and American Job Centers serving O'Fallon. They offer free help with job search, training and filing for benefits.

Laid off in Illinois? How to file for unemployment in Illinois (steps, weekly amount and the appeal deadline).

Mid America Workforce Investment Board
Clinton, Monroe, Randolph, St. Clair, Washington

St. Clair County economy

3.8%
unemployment, Sep 2026
4.6% the month before
120,714
in the labor force
Source: BLS Local Area Unemployment Statistics
254,777
people in St. Clair County
Source: U.S. Census Bureau
$70,178
median household income
Source: Census ACS
39%
of workers in white-collar occupations
Management, business, financial and professional; Census ACS

More cities in St. Clair County

All of Illinois

Laid off or looking for work in O'Fallon?

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See your options after a layoff

Sources: Layoff notices from Illinois’s published record; job counts from our live job board, taken from employers’ own career sites; IPEDS for colleges; CareerOneStop for workforce boards and job centers; Census Bureau and BLS for county figures. Illinois unemployment benefits and severance rules.

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