Network Security Engineer Jobs in O Fallon, IL
A Network Security Engineer is responsible for designing, implementing, and maintaining computer and information security systems. They play an essential role in ensuring the safety and integrity of a company's data, detecting and mitigating network threats, and implementing security protocols. These professionals also conduct system checks for security vulnerabilities, develop security standards, and recommend security enhancements. They also respond to any network security incidents and provide a thorough post-event analysis.
Network Security Engineers should possess strong troubleshooting, analytical and problem-solving skills. They should be well-versed in various networking languages, firewalls, VPNs, IDS/IPS, and other security technologies. Important certifications include Certified Information Systems Security Professional (CISSP), Certified Ethical Hacker (CEH), and Cisco Certified Network Associate (CCNA) Security. Before becoming a Network Security Engineer, an individual may work as a Network Administrator, Systems Administrator, or a Junior Network Engineer.
Cyber Security Specialist Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel:...
Cyber Security Engineer - SME Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of...
- Scott AFB, IL (5 miles from O Fallon, IL)
- 2 days ago
- Scott AFB, IL (5 miles from O Fallon, IL)
- 2 days ago
Cyber Security SpecialistJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel:...
- Scott AFB, IL (5 miles from O Fallon, IL)
- 2 days ago
- Scott AFB, IL (5 miles from O Fallon, IL)
- 2 days ago
Cyber Security Engineer - SMEJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel:...
It Cybersecurity Specialist (Network/Infosec)
- Scott AFB, IL (5 miles from O Fallon, IL)
- 2 days ago
- Scott AFB, IL (5 miles from O Fallon, IL)
- 2 days ago
This position is located in Defense Information Systems Agency, DISA- OC/DISA Global, Operations Division (DG3) at Scott AFB, IL or Hill AFB, UT. Basic Requirements: Attention to Detail-...
- Saint Louis, MO (15 miles from O Fallon, IL)
- 3 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 3 days ago
We begin with dreams. Dreams drive our motivation. Dreams are our future. The world's dreams, people's dreams, our dreams. Our passion creates ideas that make dreams come alive. Technology and...
- Saint Louis, MO (15 miles from O Fallon, IL)
- 3 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 3 days ago
Cyber Security Engineer Peraton United States, Missouri, St. Louis Jun 09, 2025 Cyber Security Engineer Job Locations US-MO-St Louis Requisition ID 2025-154292 Position Category Engineering...
- Saint Louis, MO (15 miles from O Fallon, IL)
- 7 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 7 days ago
Security Engineer Position overview The Network Security Engineer is responsible for managing, planning, and monitoring the security of the network....
Principal, Microsoft Security Engineer - Purview
- Saint Louis, MO (15 miles from O Fallon, IL)
- 8 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 8 days ago
Who You'll Work With As a modern technology company, our Slalom Technologists are disrupting the market and bringing to life the art of the possible for our clients. We have passion for building...
- Saint Louis, MO (15 miles from O Fallon, IL)
- 9 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 9 days ago
Guarantee network security best practices are executed for firewall configurations, troubleshooting, and monitoring Modify Monitoring parameters if required Creation/Modification and deletion of Objects...
- Saint Louis, MO (15 miles from O Fallon, IL)
- 10 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 10 days ago
This role demands a proactive, detail-oriented professional who is adept at both policy development and technical investigations. Additionally, the Cybersecurity Engineer will be responsible for...
- Scott AFB, IL (5 miles from O Fallon, IL)
- 11 days ago
- Scott AFB, IL (5 miles from O Fallon, IL)
- 11 days ago
At Agile Defense we know that action defines the outcome and new challenges require new solutions. Thats why we always look to the future and embrace change with an unmovable spirit and the...
Lead Firewall & Security Engineer
- Saint Louis, MO (15 miles from O Fallon, IL)
- 22 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 22 days ago
Ability to travel 0-10%, on average, based on the work you do and the clients and industries/sectors you serve Must be a US Citizen (GPS initiatives) Preferred Qualifications: Expert level knowledge of Checkpoint...
US E EA - Lead Firewall & Security Engineer - T&I
- Saint Louis, MO (15 miles from O Fallon, IL)
- 24 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 24 days ago
Ability to travel 0-10%, on average, based on the work you do and the clients and industries/sectors you serve Must be a US Citizen (GPS initiatives) Preferred Qualifications: Expert level knowledge of Checkpoint...
Security Engineer -Directory Services
- Saint Louis, MO (15 miles from O Fallon, IL)
- 25 days ago
- Saint Louis, MO (15 miles from O Fallon, IL)
- 25 days ago
This job posting is anticipated to remain open for 30 days, from 16-May-2025. The posting may close early due to the volume of applicants. Join a financial services firm where your contributions...
Demographic Data for O Fallon, IL
Moving to O Fallon, IL? Find some basic demographic data about O Fallon, IL below.
Network Security Engineer Online Courses and Training Opportunities
Salary for Network Security Engineer Jobs in O Fallon, IL
Required or preferred licenses and certifications for Network Security Engineer positions.
Highest Education Level
Network Security Engineers in O Fallon, IL offer the following education backgroundQualifications / Skill Sets
The following top skills are often required or desired to land a Network Security Engineer position
- Function Generator
- Computer Science
- Network Architecture
- Information Assurance
- Identity Management
- In Plane Switching
- Public Key Infrastructure
- Nessus
- Internet Protocol Security
- Checkpoint
- Risk Management Framework
- Data Encryption
- VPN
- Security Information & Event Management
- Vulnerability Management
- Firewall
- Software Development
- Windows PowerShell
- Splunk
- Penetration Testing
- PCI Compliance
- Scripting
- Network Security
- Mitigation
- Architectural Design
- Information Security
- Cybersecurity
- Microsoft Azure
- Amazon Web Services
- Linux
- Designing
- Java
- Modeling
- Information Technology
- Artificial Intelligence
- Computer Programming
- Python
- Networking
- Engineering
- Strategy Development
- Risk Management
- Military Background
- Implementation
- Troubleshooting
- Prioritizing
- Investigation
- Auditing
- Collaboration
- Documentation
- Problem Solving
- Research Skills
- Organization
- Leadership
- Communication Skills
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Here are some other career titles that require similar skills
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