Design, implement, and manage enterprise perimeter security solutions including firewalls, proxies, and load balancers, Configure, deploy, and troubleshoot next-generation firewalls (NGFWs) from Palo Alto Networks, Cisco ASA/FTD, and Fortinet (FortiGate), Design secure network architectures involving layer 4-7 load balancers (e-g , F5, Citrix ADC), Manage and optimize proxy servers and secure web gateways (e-g , Blue Coat, Zscaler, or equivalent), Perform packet capture and deep packet inspection (DPI) using tools such as Wireshark, tcpdump, or TShark for incident investigation and traffic analysis, Integrate firewall logs and alerts into SIEM platforms (e-g , Splunk, QRadar, LogRhythm) to support real-time monitoring, correlation, and incident response, Implement and maintain SASE solutions, integrating cloud-delivered security with network connectivity, Document configurations, playbooks, and operational procedures; contribute to security architecture standards, Participate in firewall rule audits, risk assessments, and vulnerability mitigation activities, Stay updated on the latest threats, vulnerabilities, and compliance requirements (PCI-DSS, HIPAA, NIST, etc ), , 10+ years of hands-on experience in perimeter/network security engineering or a similar role, Strong experience with at least two of the following firewall platforms: Palo Alto Networks (PanOS) Cisco ASA / Firepower Threat Defense (FTD) Fortinet FortiGate Proficiency in proxy technologies (e-g , Zscaler, Blue Coat, Squid), Working knowledge of load balancing technologies (e-g , F5 BIG-IP, Citrix ADC), Expertise in network protocols (TCP/IP, BGP, DNS, SSL/TLS) and packet capture analysis, Experience integrating security events into SIEM systems (Splunk, QRadar, etc ), Familiarity with cloud-based security and SASE frameworks (e-g , Zscaler, Netskope, Prisma Access), Solid understanding of firewall rulebase optimization, NAT, VPNs, and threat prevention mechanisms,
