SUMMARY:

• A dynamic and versatile Network Engineer with outstanding knowledge, skills and expertise, dedicated and committed to provide excellent interconnectivity and networking services and solving networking problems. Takes responsibility, enjoy helping people and completes project on time.
• Network Engineer with extensively Networking experience primarily in the areas of routing and switching, Designing, implementing as well as maintenance of compound network.
• Understanding of high performance network development paradigm.
• Configured VTP to manage VLAN database throughout the network for Inter - VLAN Routing.
• Strong command over protocol stack and OSI layers and worked extensively in network layer protocols and TCP/IP.
• Experience working routing and switching technologies like MPLS, EVPN, Fabric path, VXLAN, STP, VPC/MC-LAG.
• Worked on managing asset lifecycles and hardware refresh as well as software currency plans.
• Worked on various routers & switches of various makes like Cisco, Cisco Meraki, Juniper, etc.
• Strong experience in configuring and troubleshooting the protocols like TCP/IP, Routing Protocols (RIP, OSPF, BGP, IGRP, EIGRP, MPLS), PPP, PPTP, L2TP, NAT, IPsec in production Environment.
• Experience working with various different networking devices like Fortinet, Juniper, Palo Alto, Cisco, etc..
• Extensive experience in Layer 3 routing and Layer 2 switching and deal with router configurations of 7200, 3800, 2800 and switches 6500, 4500, 3700, 3750, 3900, 2900, 2960 and 3500XL, 3950 switch series.
• In depth knowledge of snort Network Intrusion Detection & Prevention System.
• Good Knowledge with the technologies MPLS, VPN, WLAN, NAT, L2TP, Multicast, Routing, Frame relay, SNMP.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, bridges, routers, hubs and Switches.
• Experience with Linux internals, worked on memory management technologies such as huge file system, network stack, etc.
• Experience working with configuration compliance & vulnerability management.
• Working knowledge on different Network Management Tools and Sniffers like SNMP, and CISCO works to support 24 x 7 Network Operation Centre including on-call support.
• Extensive knowledge in Implementing & Managing LAN, WLAN & WAN solutions for different client setup. In-depth knowledge and experience in WAN technologies including HDLC, Point-to-Point, ATM, Frame Relay& MPLS.
• Hands on Experience with Back up, upgrade and restring all OS for future disaster recovery purposes.

TECHNICAL SKILLS:

Cisco Routers: 2500, 2900, 2610, 2800, 3800, 3900, 4500, 4900, 6500.

Juniper Routers: Cisco Switches 4500, 6500 series and Nexus Switches 2k, 5k, 7k & 9k.

Juniper Switches: Juniper EX4500,EX 4200

Switching Protocols: VTP, STP, RSTP, MST, VLANs, ISL, 802.1q, Ether Channel, PAgP, MLAG and LACP

Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, HSRP, VRRP, and GLBP

Monitoring Tools: Wireshark, Nmap, Nessus, OpManager, PRTG Packet Sniffer, and Infoblox

WAN Technologies: Frame Relay, lease Line VPN (L2F, PPTP, L2TP, GRE), ISDN, PPPATM, MPLS(LDP/TDP),IPv6,SONET and HDLC, SDWAN

LAN Technologies: Workgroup, Domain, HSRP, DHCP, Static, VLAN, STP, VTP, Ether Channel, Trunks, PVST, RSTP

Servers: IBM, Dell servers, DNS servers, Domain Servers, WINS servers, proxy servers, FTP servers, Print servers, NTP.

IP Telephony: VOIP, T1/T3, ISDN, PRI, Unified Call Manager

Operating Systems: Cisco IOS, Cat-OS, Nexus-OS, Cisco CLI, Linux, Unix, Ubuntu, Windows, Server, Centos

Cisco ASA: Firewall, Layer 2 Security, VPN,WAF, IPSec, ACL, load balancing, NAT/PAT, Filtering, Checkpoint, Fortinet, McAfee Firewall Enterprise, Palo Alto, Firewall, CITRIX Net Scaler, HTTP proxy, Bluecoat proxy, Socks Proxy.

Various Feature/services: TCP/IP, LAN, WAN, IP Subnetting, VLSM, VLAN, Inter-VLAN Routing, Frame-Relay, PPP, FTP, TFTP, VOIP (SIP, H.23, MGCP), L2VPN, HDLC, DHCP, DNS, ICMP, UDP, SNMP, Openstack

Languages: C,C#, Matlab

Documentation: MS Word, Excel, Project, PowerPoint, Outlook, Visio

Virtualization: VMWare WorkStation, VMware ESX/ESXi

Simulators: Packet tracer, GNS3, Wireshark

EXPERIENCE DETAILS:

Confidential, Houston

Network Engineer

Responsibilities:

• Installing, configuring, maintaining and troubleshooting of the company network.
• Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment and to provide support for Cisco network.
• Experience monitoring & resolving problem queues for VPN MFA environments.
• Worked on migrating and maintaining VPN with MFA environment.
• Responsible for the global design, engineering and level 2/3 support of existing network technologies services and the integration of new network technologies/services.
• Responsible for tracking inventory details of network assets & their lifecycles.
• Worked with team tasked to design the data centre.
• Was part of team that was responsible for working on firewalls like cisco asa, Fortinet, palo alto, check point, etc. We deployed and maintained those firewalls until they were handed over to the security team.
• Worked on Meraki devices to deploy MPLS networks across the client network.
• Key contributions include troubleshooting of complex LAN/WAN & infrastructure that include routing protocols EIGRP, OSPF and BGP.
• Worked on routing protocols like BGP, MPLS to troubleshoot routing issues.
• Involved in Complete LAN/WAN & Development which includes IP address planning, designing, installation, configuration, testing, maintenance, troubleshooting etc.
• Experience troubleshooting VOIP networks running on protocols like SCCP, MGCP, SIP.
• Worked on Configuring Partitions & Calling Search Spaces to increase the efficiency of the system by blocking unauthorised employees from restricted access numbers.
• Created VPLS connections between H and NE40's depending on customer services such as (Internet, VoIP, L2vpn, L3vpn, Ibgp and Ebgp)
• Designed, Installed, Configured, Maintained and troubleshoot VOIP (SIP) servers, infrastructure and applications.
• Configured and Deployed VOIP servers, hardware, applications and monitoring tools.
• Monitored customer network (Internet, VoIP, L2vpn, L3vpn, IBGP and EBGP).
• Configuration, Testing Planning, Design of Cisco routers, Cisco Catalyst 2900,3570 and 6500 switches and Cisco AirNet and wireless appliances.
• Used python for testing various web services.
• Analyze and troubleshoot technical security challenges related to management of the Web Application Firewall.
• Migration for Frame-Relay/ATM network to MPLS based VPN for customer's WAN infrastructure.
• Convert Checkpoint VPN rules over to the Cisco ASA solution, Migration with both Checkpoint and Cisco ASA VPN.
• Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations.
• Worked on clear pass (NAC) to create restricted access to sensitive data.
• Worked on intrusion detection systems along penetration testing.
• Also updated security protocols in order to increase the efficiency of the system.

Confidential, Santa Clara

Network Engineer

Responsibilities:

• Expert working knowledge including the ability to setup, configure, upgrade, manage and troubleshoot Juniper and Cisco routers, switches, VPN concentrators, firewalls, 802.11 wireless access points and load balancers.
• Responsibilities include web administration, adding, and removing accounts including e-mail, server performance and maintenance, installation and configuration of Cisco 700, Cisco 1600, Cisco 2600, Cisco 3600, series Router and Cisco 2900, Cisco 3500 series switches and some routers.
• Knowledge of PulseSecure VPN environment & how it works along with CA MFA solution.
• Setting up VLANs and configuring inter-VLAN, Trunking, STP, PVST, RSTP, port aggregation & link negotiation on Ethernet channel between switches.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF and BGP.
• Worked on various IT service management tools such as ServiceNow.
• Experience working on tableau for managing inventory of network devices.
• Used tableau to manage the inventory data and display it in a way which made it easy to access.
• Knowledge of Installation and Configuration of T1, Frame Relay, and ISDN, ACE Authentication, Radius reporting, and IP Services.
• Knowledge in Implementing and configuring F5 BIG IP LTM 6400 Load Balancers.
• Provides technical support to clients, management, security administrators and network operations. Provides implementation support for risk assessment and data security procedures and products.
• Designed and implemented security systems including various Cisco IOS ACLs, Context-Based Access Control, PIX Firewall (PIX 506, 515), Network Intrusion Detection Systems, AAA Cisco Secure Access Control Server (Radius/TACACS+) and Linuxsyslog servers. Planned, configured and operated IPsec VPNs.
• Worked on ASA 5505, 5510 models and migration from PIX to ASA.
• Worked on Cisco ACE load balancer for minimizing traffic congestion.
• Designed, built, and implemented Checkpoint Firewall-1 VSX, with Provider-1 running on a Crossbeam X45 for evaluation by Chick-Fil-A.
• Participated in a massive technical upgrade to enhance wireless access points and internet capabilities.
• Troubleshoot network problems using Packet Analysis tools like Ethereal.
• Monitored wireless access point (WAP), Controllers, switches and routers making sure controllers are online.

Confidential

Network Engineer

Responsibilities:

• finance vertical Customer’s network.
• Coordinated with order managers for validation of order/service detail
• Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation
• Routing protocols OSPF, RIP & BGP
• Troubleshot Cisco 3650, 2900 series switches.
• Configured, installed, & managed DHCP, DNS servers.
• Network connectivity troubleshooting, ping, tracert, telnet
• Responsible for communication protocols, configuration, integration & security.
• Investigating, diagnosing and resolve all network problems.
• Maintaining pre-packaged software applications on the LAN.
• Configuration of New & Existing Network devices, includes Cisco Routers, Switches.
• Performed Domain Admin tasks including maintaining DNS and DHCP.
• Managing the complete end to end site solutions.
• Communicating and negotiating with users, specialists, other staff and suppliers.
• Working with multiple technical platforms, i.e. mainframe, two-tiered client-servers and three-tiered client-servers.