Siva L

About Siva L

Senior Network/Network Security Engineer with overall experience of 5+ years with various Clients.• Experience with various Network Topologies, LAN, WAN, Campus, Data Center, ISP Connectivity, WLAN, VOIP environments. Worked in Global environments with network spanned across globe in multiple regions.• Campus Switching and Routing Hardware includes – Cisco 3750, 3850, Cat 9K, 4500, cisco ISR routers, 2300, 7200 series routers Juniper EX 4300, 3400 in access and EX 4600 in Distribution. Aruba 2530, 2540, 3810 and 5400R switches.• Data Center Switching and Routing Hardware Includes Cisco Nexus 2K, 5K, 3K and 7K modules. ASR 1K, 9K, Cisco Juniper QFX Series, MX series routers, Arista series. • High Level understanding and implementation experience in VLAN, STP, RSTP, MST, 802.1X, DHCP, DNS, HSRP, VRRP, GLBP, IPv4, IPv6, OSPF, EIGRP, IS-IS, BGP, RIP, Static Routing, VSS, MLAG- VPC, MEC, VDC, VXLAN, EVPN Protocols.• Extensive experience working with Network Firewalls. Worked on Cisco ASA, Cisco Firepower, Palo Alto Next Gen Firewalls.• Experience with remote site connectivity to Data centers using SD-WAN in MPLS WAN. Worked on Versa, Viptella and Meraki SD WAN solutions. Experience with vSmart, vBond, vEdge and vManage components in SD-WAN.

Experience

1. Network Engineer

   ADP

   Aug 2022 — Present · Roseland, NJ, US

   Experience working with Cisco Nexus 7010, 5548, 5596, 2148, 2248 devices. Worked on 40 gig and 100 gig switching chassis with QSFP. • Deploying and decommissioning VLANs on core Cisco ASR 9K, Nexus 9K, 7K, 5K and its downstream devices also configure 2k, 3k, 7k series Routers.• Installation and Configuration of Cisco Catalyst switches 6500, 3850 & 2960, 9300 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy it also includes the configuration of port channel between core switches and server distribution switches.• Experience with converting Cisco ASA VPN rules over to the Palo Alto solution.• Migration with both Palo Alto and Cisco ASA VPN experience• Installing and configuring new juniper EX, MX, SRX series firewalls to meet day to day work.• Worked on load balancers like F5 10050s, 10250v to troubleshoot and monitor DNS issues and traffic related to DNS and avoid DDoS. • Installed and configured SSH (Secure Shell) encryption to access securely on Ubuntu and Red hat Linux. • Palo Alto design and installation (Application and URL filtering, Threat Prevention, Data Filtering). Configured and maintained IPSEC and SSL VPN\'s on Palo Alto Firewalls.• Worked on Zscaler Cloud proxies, Implementation of Policies, PZen Configuration, GRE tunnels to Cloud, PAC file configuration, DLP policies.• Worked on Configuring Custom URL categories in ZIA, Access Policies based upon AD groups, SAML integration with Azure AD, Zscaler Client connector APP profiles, Forwarding profiles.• Worked on User AD group-based policies in ZPA for various IP networks and app URLs on different ports and protocols.• Implemented EVPN-based Virtual LAN (VLAN) and Virtual Extensible LAN (VXLAN) segmentation to isolate tenant traffic within multi-tenancy environments.

Education

• National Institute of Technology

  Bachelor's degree