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Network Security Engineer Jobs in O'Fallon, IL (564)

Data Engineering Specialist

Leidos
Scott Afb, IL
Health Insurance
Parental Leave
Icon: salary
$87.1k - $157.5k / year

Cloud Infrastucture & DevOps Engineer

Leidos
Scott Air Force Base, IL
Health Insurance
Parental Leave
Icon: salary
$69.6k - $125.7k / year

Cross Domain Solutions Engineer

Phase2 Technology
Shiloh, IL
New
Icon: salary
$86.9k - $198k / year

Site Reliability Engineer II

MasterCard
O'Fallon, IL
New
Part-Time
Diversity Leader
401(k)
Dental Insurance
Vision Insurance
Education
Icon: salary
$76k - $127k / year

RF Data Integration Platform - Development Manager

MasterCard
O'Fallon, IL
Part-Time
Diversity Leader
401(k)
Dental Insurance
Vision Insurance
Education
Icon: salary
$140k - $231k / year

Lead Cybersecurity Engineer

CDIT
Scott Air Force Base, IL
New
Hospitality
‌

Network Impact Assessment (NIA) Technician

Leidos
O'Fallon, IL
New
Icon: salary
$40.3k - $72.9k / year
‌

Senior Cybersecurity Architect

MITRE
O'Fallon, IL
New
Health Insurance
Icon: salary
$129.2k - $161.5k / year
‌

Lead Cybersecurity Architect

MITRE
O'Fallon, IL
New
Health Insurance
Icon: salary
$158.8k - $198.5k / year
‌

Principal Cybersecurity Architect

MITRE
O'Fallon, IL
New
Health Insurance
Icon: salary
$172.8k - $216k / year
‌

Lead Cybersecurity Architect

The MITRE
O'Fallon, IL
New
Health Insurance
Icon: salary
$158.8k - $198.5k / year
‌

Senior Cybersecurity Architect

The MITRE
O'Fallon, IL
New
Health Insurance
Icon: salary
$129.2k - $161.5k / year
‌

Network Security Engineer

SelectMinds
🌎 Remote
New
Remote
Hourly
Icon: salary
$50 - $60 / hour
‌

Network & Security Engineer

AHU Technologies
🌎 Remote
Remote
Hourly
Diversity Leader
Icon: salary
$84 - $90 / hour
‌

Network Security Engineer

Lightning AI
🌎 Remote
New
Remote
Dental Insurance
Vision Insurance
Parental Leave
Icon: salary
$180k - $220k / year
‌

ESGS Network Engineer, Top Secret Security Clearance Required

Next Step Systems LTD
Belleville, IL
PTO
Health Insurance
‌

Network Engineer III

Leidos
O'Fallon, IL
New
‌

Network Engineer I

Leidos
O'Fallon, IL
New
‌

Joint Fires Network (JFN) Engineer II

Leidos
O'Fallon, IL
‌

Enterprise Voice Engineer III

Leidos
O'Fallon, IL
‌

Enterprise Voice Engineer II

Leidos
O'Fallon, IL
New
Icon: salary
$80k - $90k / year
‌

Senior Software Engineer

MasterCard
O'Fallon, IL
Diversity Leader
Health Insurance
Education
Parental Leave
Icon: salary
$115k - $184k / year
‌

Lead Cloud Cybersecurity Architect

MITRE
O'Fallon, IL
New
Health Insurance
Icon: salary
$158.8k - $198.5k / year
‌

Senior Enterprise Voice Engineer, Top Secret Security Clearance Required

NextStep
Belleville, IL
New
PTO
Health Insurance
‌

Systems Engineer SME (Cloud)

Second-61
O'Fallon, IL
New
‌

JRSS NOC Technician IV

Leidos
O'Fallon, IL
New
Icon: salary
$75k - $85k / year
‌

Zscaler Engineer

programmers.io
O'Fallon, IL
New
‌

Network Engineer - Design, Security & Projects

Famous Footwear
Clayton, MO
New
‌

Senior DoD Network & Security Engineer (Secret)

Phase2 Technology
Shiloh, IL
New
Icon: salary
$77.6k - $176k / year
‌

Network Engineer - Secret-Clearance, Design & Security

Maania Consultancy Services
Scott Air Force Base, IL
‌

IT Network Engineer Lab Systems & Security (Onsite)

CTS Technology Solutions
Berkeley, MO
New
‌

Zscaler Platform Engineer: Zero Trust & Cloud Security

programmers.io
O'Fallon, IL
New
‌

Lead Platform Engineer - AWS Cloud DevOps Engineer

lwtsquad
O'Fallon, IL
Part-Time
401(k)
Health Insurance
Dental Insurance
Vision Insurance
Education
Icon: salary
$112k - $187k / year

Job Description

Working as a Network Security Engineer in O'Fallon, IL

There are 564 Network Security Engineer opportunities available in O'Fallon, IL all with unique requirements.

The duties of a network security engineer can vary based on the employer and position. For example, at a large enterprise, a network security engineer may be hired to protect their internal network from outside attacks. Meanwhile, at a small business, the network security engineer may be tasked with protecting the company’s web servers from an attack executed by one of their biggest competitors. However, the primary responsibility of this position is often the same; they are tasked to protect various business operations and assets from network-related threats.

Network Security Engineer jobs near O'Fallon, IL

  • Saint Louis, MO
  • Saint Charles, MO
  • Chesterfield, MO

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