Network Security Engineer- Firewall SME

Location: Irving, TX

Salary: $ USD Annually - $ USD Annually

Fulltime

• Act as the primary SME for all Web Proxy (e.g., Zscaler, Forcepoint, Blue Coat) and Firewall (e.g., Palo Alto Networks, Check Point, Cisco ASA) rule sets and configurations.
• Design, implement, and maintain complex firewall rules and web proxy policies to enforce security controls and meet divestiture requirements.
• Perform routine maintenance, updates, and optimization of existing web proxy and firewall rules, ensuring adherence to security best practices and compliance standards.
• Provide advanced troubleshooting and incident response support for network security issues related to web proxy and firewall configurations.
• Collaborate with network engineering, application, and security operations teams to ensure proper integration and functionality of security devices during the divestiture process.
• Assist in the planning and execution of network segmentation and access control list (ACL) migration strategies for separating entities.
• Develop and maintain comprehensive documentation for network security configurations, policies, and operational procedures.
• Participate in security audits and provide expert guidance on web proxy and firewall capabilities.

• Minimum of 3-5 years of dedicated experience in Network Security Engineering.
• At least 2-3 years of hands‑on experience specifically managing and maintaining Web Proxy and Firewall solutions in an enterprise environment.
• Proven experience acting as a Subject Matter Expert in network security domains.
• Relevant industry certifications such as CCNA Security, PCNSE (Palo Alto Networks Certified Network Security Engineer), CCSA/CCSE (Check Point Certified Security Administrator/Expert), Zscaler certifications (ZCCA, ZCSE) are desirable.
• English fluency (oral and written).
• Education:
  
  Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related engineering field.

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