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1,461 Computer and IT jobs in O'Fallon, IL

Legal Technical Analyst

At Spectrum -St. Louis, MO

Posted on Dec 6

Senior Information Systems Analyst (Computer Sys Security Anlyst 3) - 4275

At Alion Science and Technology -O'Fallon, IL

Posted on Dec 7

Cybersecurity

At Per Scholas -Chicago, IL + 16 locations

Posted on Sep 23

Network Controller

At Leidos -O'Fallon, IL

Posted on Sep 25

Field Service Technician C

At Hitachi Energy -Remote

Posted on Sep 25

IT Disaster Recovery Manager (Remote)

At CrowdStrike -Remote

Posted on Sep 24

Senior Solutions Consultant

At Zendesk -Remote

Posted on Sep 23

ATC - Storage Technical Solutions Architect (Remote)

At World Wide Technology -Remote

Posted on Sep 23

Client Services Representative - Contract (REMOTE)

At Broadridge -Remote

Posted on Sep 23

Consultant, Product Architect

At Nationwide Insurance -Remote

Posted on Jan 28

Adobe Technical Architect

At Deloitte -Chicago, IL + 31 locations

Posted on Dec 5

z/VM Operating Systems Support Lead

At Merrill -Chicago, IL + 2 locations

Posted on Sep 25

Delivering Deal Value IT Senior Associate

At PwC -Chicago, IL + 11 locations

Posted on Sep 18

Internal Auditor-Corporate

At Kroger -Cincinnati, OH

Posted on Dec 10

Full-Time Store Merchandising Associate

At Kohl's -Xenia, OH

Posted on Sep 24

2025 Summer Intern: Security Analyst

At Spectrum -Maryland Heights, MO

Posted on Dec 3

IT Support

At Per Scholas -Chicago, IL + 20 locations

Posted on Sep 23

Security Advisor, Falcon Complete (Remote)

At CrowdStrike -Remote

Posted on Sep 23

Private Equity M&A IT Integration & Divestiture Senior Manager

At Deloitte -Chicago, IL + 31 locations

Posted on Sep 23

Delivering Deal Value IT Manager

At PwC -Chicago, IL + 11 locations

Posted on Sep 18