Unknown Company

Network Security Engineer

chicago, il • Posted Today
Hybrid Full Time IT & Technology

Title: Sr. Network & Firewall Security Engineer

Job Type: Full time/ direct hire

"US citizens and Green Card Holders and those authorized to work in the US are encouraged to apply. We are unable to sponsor H1b candidates at this time.”

  • Design, deploy, migrate, and optimize Palo Alto firewalls across enterprise offices and data centers, with strong hands-on experience in Panorama, security policies, SSL decryption, and security profiles.
  • Provide hands-on support for network security and infrastructure , with a strong security focus and solid working knowledge of routing and switching .
  • Troubleshoot complex connectivity and security issues involving BGP, OSPF, routing, switching, NAT, TCP/IP, traffic flows, and packet-level analysis .
  • Serve as a senior escalation point for Tier 2/Tier 3 firewall and network issues , using Palo Alto CLI and other troubleshooting tools to identify and resolve complex problems.
  • Lead or support firewall migrations, network security implementations, segmentation, and secure architecture initiatives across large enterprise environments.
  • Partner with Network, Cloud, Infrastructure, and Security teams to build and maintain secure, highly available connectivity across on-premises and hybrid environments.
  • Analyze and improve security policies, traffic flows, access controls, and network architecture to strengthen the organization’s security posture, reliability, and performance .
  • Support security operations and incident response by investigating issues related to firewall policy enforcement, routing, NAT, application connectivity, and network behavior .
  • Mentor junior engineers and NOC teams on networking fundamentals, firewall technologies, structured troubleshooting, and operational best practices .
  • Use scripting/API-based automation to improve network security operations; experience supporting financial services, trading, banking, or other highly regulated/high-availability environments is highly desirable.

A reasonable, good faith estimate of the minimum and maximum annual salary for this position is $160,000 to $180,000 with full benefits and bonus.

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