Senior Network Security Engineer F5Firewall

Responsibilities (Includes All Tasks) :

• Planning, scheduling, and implementing network upgrades, implementations, and migrations for clients in a timely manner, during times that will have the least impact on users of the affected systems.
• Developing and implementing the architecture and design of networks and network diagrams.
• Managing three-tier network architecture, including core switches, distribution switches, access switches, leased lines, and MPLS links with high availability.
• Configuring Alto Firewall in active and passive modes, managing security policies, QoS, NAT, sub-interfaces, aggregated interfaces, virtual routers, and zones.
• Managing perimeter firewalls with master / slave configuration, VDOM, IPsec VPN, SSL VPN, vendor-specific IP subnets, user integration with AD via LDAP, NAT configuration, and traffic shaping.
• Managing Cisco Wireless Controllers 9800 in Active / Standby mode, with all SSIDs integrated with ISE for 802.1X and vendor-specific access.
• Configuring and managing DNS and DHCP pools.
• Configuring and managing IPS.
• Designing and managing F5 BIG-IP LTM Load Balancer, including creating VIPs, pools, persistence profiles, SSL profiles, SSL offloading, and iRules, aiming for high availability and network failover.
• Configuring and managing F5 GTM devices for DNS solutions, ensuring synchronization between data centers and disaster recovery sites.
• Creating and managing access policies in F5 APM for VPN traffic.
• Maintaining disaster recovery plans for IT operations and participating in organizational and customer-level disaster recovery testing.

#J-18808-Ljbffr