Network Security Engineer- Web Proxy

Job Title:
Network Security Engineer - Web Proxy & Firewall SME

Location:
Irving, TX (Onsite / Hybrid - as per project needs)

Summary:
We are looking for an experienced Network Security Engineer to act as a Subject Matter Expert (SME) for Web Proxy and Firewall technologies in a large-scale enterprise environment. This role will play a critical part in supporting a major network separation/divestiture initiative , ensuring secure, seamless, and compliant transition of services.
The ideal candidate will bring deep hands-on expertise in enterprise firewall platforms and web proxy solutions, strong troubleshooting skills, and the ability to work independently while collaborating with cross-functional technical teams.

Required / Mandatory Skills:

• Strong hands-on experience with enterprise-grade Firewall platforms such as:
  • Palo Alto Networks
  • Check Point
  • Cisco ASA / Firepower (FTD)
• Practical experience with Web Proxy solutions , including:
  • Zscaler
  • Forcepoint / Websense
  • Blue Coat / Symantec ProxySG
• Solid understanding of network protocols and security concepts :
  • TCP/IP, DNS,
  • VPNs, NAT, IDS/IPS, Load Balancing
• Proven ability to:
  • Analyze network traffic and logs
  • Troubleshoot complex connectivity and security issues
  • Optimize firewall and proxy performance
• Experience with firewall rule design, web proxy policy creation, and maintenance
• Exposure to network segmentation, ACL migrations, and access control strategies
• Scripting knowledge (Python, PowerShell) for automation is a plus
• Excellent problem-solving, analytical, and communication skills
• Ability to work both independently as an SME and collaboratively within large technical teams

Qualification:

• Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field
• 3-5 years of experience in Network Security Engineering
• 2-3 years of hands-on experience managing Web Proxy and Firewall solutions in an enterprise setup
• Proven experience acting as a Subject Matter Expert (SME)
• Preferred Certifications (nice to have):
  • CCNA Security
  • PCNSE (Palo Alto Networks)
  • CCSA / CCSE (Check Point)
  • Zscaler certifications (ZCCA, ZCSE)