• Responsible for overall firewall configuration implementations and policy installations across all platforms during maintenance windows for major enterprise networks.• Was lead in number of implementations, upgradations and migrations.• Used L7 features and SSL proxies in Firewall to analyze all user access to company's business critical web applications and protects its applications and data from cyber attacks.• Managed the firewall deployment, rules migrations, and firewall administration.• Utilized tools such as Wireshark, SNMP, Microsoft Office for interpreting the network.• Modified rules on Juniper firewalls for having better control over the network and easing network administration.• Involved in troubleshooting network traffic and its diagnosis using tools like ping, traceroute, Wireshark.• Planned and configured the routing protocols such as OSPF, RIP, and Static Routing on the routers.• Configured Access points and integrated them with the Cloud.• Established IPsec VPN tunnels between branch offices and headquarter using Juniper Firewall.• Established Remote VPN for employees to access internal resources from remote locations using Juniper Firewall.• Configured Advance Threat Prevention Cloud with Juniper firewalls.• Interfaced directly with the external customer and provide exemplary service.• Performed configuration changes, health checks and troubleshooting related to upgrades.• Drafted implementation plans and patching schedules as required.