24 IT and security jobs are open in St. Louis, MO area, on employers' own career pages, from 12 employers. The three employers with the most openings are Leidos, Boeing and Mastercard, with 13 of the 24. 75 percent of these postings list a pay range. The middle half of listed pay runs from $102,935 to $163,700, with a median of $136,000. The places with the most are Shiloh, IL (8); Berkeley, MO (5); O'Fallon, MO (3). A typical posting has been open 12 days.
This page covers the St. Louis, MO-IL metro area as defined by the U.S. Census Bureau. It includes Shiloh, IL; Berkeley, MO; O'Fallon, MO, and 8 other places.
Applications here go through Workday (66%), Greenhouse (21%), USAJOBS (14%).
Open IT and security jobs
Deputy Assistant Secretary for Information and Technology, Department of Veterans Affairs
Several places, including St. Louis, MO area · Posted Oct 22
Supervisory IT Specialist
$125,776 to $163,514 a year6% above the median listed hereNew this weekFederal (USAJOBS)
Deputy Assistant Secretary for Information and Technology, Department of Veterans Affairs
Several places, including St. Louis, MO area · Posted Sep 29
IT Specialist
$89,508 to $116,362 a year24% below the median listed hereFederal (USAJOBS)
IT Specialist in this position performs a combination of duties; phone support, desk-side technical support, and bench-top diagnosis and repair.
Postings with their own page
Each posting below has its own page with any pay it lists, how long it has been open and a link to apply on the employer's own site.
7 postings.
- Product Security Engineer (Product Security Engineer) at Boeing
- Senior Product Security Engineer at Boeing
- System Administrator at Boeing
- Information Assurance Security Engineer at General Dynamics Information Technology
- Corporate Security Operations Analyst II at Mastercard
- Senior Information Security Engineer at Mastercard
- IT Support Analyst at Netskope
Places covered
| Place | Open jobs |
|---|---|
| Shiloh, IL | 8 |
| Berkeley, MO | 5 |
| O'Fallon, MO | 3 |
| Hazelwood, MO | 2 |
| Aliceville, AL | 1 |
| Des Moines, IA | 1 |
| Little Rock, AR | 1 |
| MO or Mandan, ND | 1 |
| Saint Louis, MO | 1 |
| Springfield, VA | 1 |
| Wilton, CA | 1 |
Places with their own page link to it.
Who is hiring IT and security in St. Louis, MO area
| Employer | Open jobs |
|---|---|
| Leidos | 6 |
| Boeing | 4 |
| Mastercard | 3 |
| Accenture Federal Services | 2 |
| Deputy Assistant Secretary for Information and Technology, Department of Veterans Affairs | 2 |
| ARCO Companies | 1 |
| Blink Health | 1 |
| Bureau of Prisons/Federal Prison System, Department of Justice | 1 |
Counts are open postings on each employer's own career page. Staffing firms and job boards are left out.
How to apply
- Open the job from the list and read the requirements and the pay line.
- Check what the posting asks you to bring (resume, cover letter, questions).
- Apply on the employer's site.
- Keep a note of where you applied.
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How many IT and security jobs are open in St. Louis, MO area?
24 on Oct 23, 2026, from 12 employers, read from employers' own career pages. The number changes as employers post and close roles.
Which places around St. Louis, MO have the most IT and security jobs?
Shiloh, IL (8); Berkeley, MO (5); O'Fallon, MO (3).
How much do IT and security jobs in St. Louis, MO area pay?
75 percent of postings list a pay range. The median listed pay is $136,000 and the middle half runs from $102,935 to $163,700. A listed range is the employer's budget for the role, not an offer.
Which employers are hiring IT and security in St. Louis, MO area?
The employers with the most openings are Leidos (6), Boeing (4), Mastercard (3). The full list is above.
How long do these postings stay open?
A typical posting has been open 12 days, and 14 percent have been open more than 60 days. An old posting is not always a closed one.
How do I apply?
Each job links to the employer's own application page. Open the posting, read the requirements and apply there. If you want a score for how well your resume matches a job, create a free Second Summit account and we score it with the reasons.
Where does this list come from?
We read employers' own career pages and USAJOBS. We do not list jobs from job boards or search services, and we do not estimate pay.
More
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- IT and security jobs in Philadelphia, PA area
Federal jobs from USAJOBS, retrieved Oct 23, 2026. Second Summit is not operated, sponsored or endorsed by OPM.