20 security and it jobs are open in Missouri, on employers' own career pages, from 13 employers. The three employers with the most openings are Boeing, Mastercard and Accenture Federal Services, with 8 of the 20. 100 percent of these postings list a pay range. The middle half of listed pay runs from $92,000 to $149,500, with a median of $102,935. The places with the most are O'Fallon, MO (3); Anchorage, AK (2); Berkeley, MO (2). A typical posting has been open 18 days.
Applications here go through USAJOBS (40%), Workday (40%), Greenhouse (20%).
Open security and it jobs
Mastercard
O'Fallon, MO · Posted Oct 12
Corporate Security Operations Analyst II
$76,000 to $127,000 a yearSeen todayNew this week
In Corporate Security, we are responsible for keeping Mastercard safe and secure from cyber and physical threats, and it is our people on the front line who…
Mastercard
O'Fallon, MO · Posted Oct 12
Senior Information Security Engineer
$115,000 to $184,000 a year45% above the median listed hereSeen todayNew this week
As an Information Security Engineer - AI Security Operations, you will be at the forefront of protecting the organization’s AI platforms, models, and data in…
Mastercard
O'Fallon, MO · Posted Oct 12
Lead Corporate Security Operations Analyst (Insider Threat Program Lead)
$122,000 to $207,000 a year60% above the median listed hereSeen todayNew this week
As Corporate Security, we are responsible for keeping Mastercard safe and secure from cyber and physical threats, and it is our people on the front who make…
Boeing
Hazelwood, MO · Posted Oct 12
System Administrator
$80,000 to $104,000 a year11% below the median listed hereSeen todayNew this week
Tapestry Solutions, a part of Boeing Global Services BGS, is seeking a System Administrator in Hazelwood, MO for the Department of Navy Tomahawk Land-Attack…
Boeing
Berkeley, MO · Posted Oct 9
Product Security Engineer
$102,000 to $138,000 a year17% above the median listed hereSeen today
The Boeing Company is seeking experienced engineers to contribute to the design and development efforts for key computing assets embedded in the most advanced…
Boeing
Berkeley, MO · Posted Oct 7
Experienced Product Security Engineer (Integration)***Signing Bonus Potential***
$128,350 to $173,650 a year47% above the median listed hereSeen today
The Boeing Company is seeking experienced engineers to contribute to the design and development efforts for key computing assets embedded in the most advanced…
Air Force Civilian Career Training, Department of the Air Force
Salt Lake City, UT and 17 more places · Posted Oct 1
IT SPECIALIST
$50,460 to $113,185 a year21% below the median listed hereSeen todayFederal (USAJOBS)
GS-7: Bachelor's degree with Superior Academic Achievement (S.A.A) for two-grade interval positions in a course of study that directly reflects the…
Air Force Civilian Career Training, Department of the Air Force
Maxwell AFB, AL and 23 more places · Posted Oct 1
Computer Scientist
$57,331 to $93,549 a year27% below the median listed hereSeen todayFederal (USAJOBS)
As a Palace Acquire Intern you will experience both personal and professional growth while dealing effectively and ethically with change, complexity, and…
Deputy Assistant Secretary for Information and Technology, Department of Veterans Affairs
Des Moines, IA and 28 more places · Posted Sep 29
IT Specialist
$89,508 to $116,362 a yearSeen todayFederal (USAJOBS)
This position is located in the Midwest - End User Operations, Office of Information and Technology (OI&T).
Federal Aviation Administration, Department of Transportation
Anchorage, AK and 10 more places · Posted Sep 28
IT Specialist (Security)
$77,351 to $119,883 a yearSeen todayFederal (USAJOBS)
Specialized experience is experience that has equipped you with the particular knowledge, skills, and abilities to perform successfully the duties of the…
Netskope
Saint Louis, MO · Posted Jul 29
IT Support Analyst
$51,000 to $70,000 a year41% below the median listed hereSeen todayOpen 81 days
We are looking for an IT Support Analyst who leads with AI, someone who doesn't just use AI tools as productivity boosters but builds, prompts, and iterates…
Accenture Federal Services
Springfield, VA · Posted Jul 9
Infrastructure Systems Administrator
$138,600 to $170,100 a year50% above the median listed hereSeen todayOpen 101 days
AFS is searching for an I nfrastructure Systems Administrator responsible for the administration, integration, modernization, and day-to-day operational…
Treasury, Departmental Offices, Department of the Treasury
Salt Lake City, UT and 17 more places · Posted Feb 24
IT Specialist (AI)
$89,508 to $197,200 a year39% above the median listed hereSeen todayOpen 237 daysFederal (USAJOBS)
This position may be filled within any Treasury Bureau.
Accenture Federal Services
Posted Feb 6
IT System Administrator – SOC/NOC Support
$106,300 to $221,100 a year59% above the median listed hereSeen todayOpen 254 days
Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security,…
Air National Guard Units, Department of the Air Force
Jefferson Barracks, MO · Posted Oct 30
IT SPECIALIST (NETWORK) (TITLE 32)
$75,815 to $98,554 a year15% below the median listed hereSeen todayOpen 354 daysFederal (USAJOBS)
This position is a Temporary GS-2210-11 IT SPECIALIST (NETWORK) (TITLE 32), Position Description Number D1560P01 and is part of the MO 131st Bomb Wing.
Security and IT jobs by place in Missouri
| Place | Open jobs |
|---|---|
| O'Fallon, MO | 3 |
| Anchorage, AK | 2 |
| Berkeley, MO | 2 |
| Hazelwood, MO | 2 |
| Phoenix, AZ | 2 |
| Salt Lake City, UT | 2 |
| Des Moines, IA | 1 |
| Fayetteville, AR | 1 |
| Jefferson Barracks, MO | 1 |
| Kansas City, MO | 1 |
| Maxwell AFB, AL | 1 |
| Saint Louis, MO | 1 |
| Springfield, VA | 1 |
| Steedman, MO | 1 |
Who is hiring security and it in Missouri
| Employer | Open jobs |
|---|---|
| Boeing | 3 |
| Mastercard | 3 |
| Accenture Federal Services | 2 |
| Air Force Civilian Career Training, Department of the Air Force | 2 |
| EquipmentShare | 2 |
| Air National Guard Units, Department of the Air Force | 1 |
| Ameren | 1 |
| Copeland | 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 security and it jobs are open in Missouri?
20 on Oct 18, 2026, from 13 employers, read from employers' own career pages. The number changes as employers post and close roles.
Where in Missouri are most security and it jobs?
O'Fallon, MO (3); Anchorage, AK (2); Berkeley, MO (2).
Do security and it jobs in Missouri pay more than the US?
The median listed pay here is $102,935; across the US it is $152,550. Both come from postings that state pay, and a listed range is the employer's budget, not an offer.
How much do security and it jobs in Missouri pay?
100 percent of postings list a pay range. The median listed pay is $102,935 and the middle half runs from $92,000 to $149,500. A listed range is the employer's budget for the role, not an offer.
Which employers are hiring security and it in Missouri?
The employers with the most openings are Boeing (3), Mastercard (3), Accenture Federal Services (2). The full list is above.
How long do these postings stay open?
A typical posting has been open 18 days, and 24 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
Federal jobs from USAJOBS, retrieved Oct 18, 2026. Second Summit is not operated, sponsored or endorsed by OPM.