×
Register Here to Apply for Jobs or Post Jobs. X

Network Engineer - Firewall

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: The Timberline Group
Full Time position
Listed on 2026-02-01
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security
Salary/Wage Range or Industry Benchmark: 80000 - 120000 USD Yearly USD 80000.00 120000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis


**** Must be USC due to NERC CLEARANCE REQUIREMENT

Job Summary

Specialized skill set to design, implement, and maintain secure network infrastructure. The ideal candidate will have deep expertise in network security principles, firewalls, intrusion detection systems, and security protocols to protect enterprise networks against cyber threats.

Key Responsibilities
  • Design, deploy, and manage secure network architectures to protect company assets.
  • Monitor, analyze, and respond to security incidents, vulnerabilities, and threats in real-time.
  • Configure and maintain firewalls (e.g., Cisco ASA, Palo Alto), VPNs, IDS/IPS, and other security appliances.
  • Perform risk and vulnerability assessments to identify security weaknesses.
  • Develop and enforce security policies, procedures, and best practices to comply with industry standards (e.g., NIST, ISO 27001, NERC CIP).
  • Implement and manage zero-trust security models, endpoint security, and identity access controls.
  • Conduct security audits, patch management, and regular updates to network security infrastructure.
  • Provide incident response support and forensic investigation in support of the computing environment.
  • Collaborate with IT teams to integrate security best practices in network and cloud environments.
Required

Skills & Qualifications
  • Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or related field.
  • 5+ years of experience in network security engineering, cybersecurity, or related roles.
  • Strong knowledge of TCP/IP, network protocols, firewalls, VPNs, IDS/IPS, and DDoS mitigation.
  • Hands-on experience with security tools like Splunk, Net Scout, vulnerability scanners, and endpoint protection platforms.
  • Familiarity with cloud security (Cloudhub, AWS, Azure, Mule) and security frameworks.
  • Certifications such as CISSP, CCNP Security, PCNSA/PCNSE, CEH, CompTIA Security+, or equivalent are a plus.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Excellent communication and teamwork skills.
#J-18808-Ljbffr
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)

Job Posting Language
Employment Category
Education (minimum level)
Filters
Education Level
Experience Level (years)
Posted in last:
Salary