Network Engineer - Firewall

The Timberline Group • St. Louis, MO

7d • Hybrid

About The Position

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.

Day to day: firewall work. palo alto networks, cisco, next gen capabilities (palo alto side). typically handling support projects. baseline work: keeping the lights on- firewall, code upgrades, minimal vulnerability management, threat logs may require investigative work. on-call support. Hybrid

Requirements

• 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, NetScout, vulnerability scanners, and endpoint protection platforms.
• Familiarity with cloud security (Cloudhub, AWS, Azure, Mule) and security frameworks.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication and teamwork skills.
• Must be USC due to NERC CLEARANCE REQUIREMENT
• Network background
• Palo Alto Network
• Cisco ASA

Nice To Haves

• Certifications such as CISSP, CCNP Security, PCNSA/PCNSE, CEH, CompTIA Security+, or equivalent are a plus.
• Certifications in security
• Comptia

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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level