SUMMARY

• 11+ years of experience in designing, capacity planning, upgrade/maintenance & implementing internetworks using networking products with understanding of application level security.
• Excellent knowledge in routing, switching, firewall, gateway technologies, system design, wireless design, data network design, capacity management and network growth.
• Exposure to LAN/WAN setup, integration, configuration and troubleshooting using IP routing and WAN protocols.
• Experience in configuring IP Multicast, STP, VTP, HSRP, GLBP, MPLS and redistribution between routing protocols such as RIP, EIGRP, OSPF, BGP and troubleshooting them.
• Strong troubleshooting and configuration experience on Cisco, Juniper and Palo Alto devices.
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, OSPF, CHAP and SNMP.
• Extensive load balancer experience in F5 Big IP, Citrix Netscaler.
• Knowledge of Windows XP, 2003, 2008, Linux Red - Hat Server and Shell scripting.
• Experience in testing routers and line cards using SmartBits and involved in performance analysis of these routers along with IXIA testing tool experience.
• Hands-on experience in upgrading and migrating Cisco IOS and Junos on different Cisco devices and modules.
• Provided services in many industries such as consulting, telecommunications and IT infrastructure; specializing in LAN, WAN, WLAN, and Data Center networks.
• Experience in setup, configuration and management of Cisco, Juniper and Palo Alto firewall in various domains such as Internet, DMZ, Business-Partner and Remote-Access VPN, etc.
• Experience in creating DAP Policies on Cisco ASA for remote-access users and creating IPsec tunnel on Cisco ASA with Business Partner Firewall.
• Knowledge of Cisco Data Center, Cisco Nexus and MDS Family portfolios, Cisco Unified Fabric Solutions, Cisco Nexus Operating System(NX-OS).
• Experience in configuring and troubleshooting F5 Big-IP LTM and GTM.
• Experience in improving efficiency and WAN optimization using Riverbed Steelhead CX and Steelhead SD appliances.
• Experience in installing and configuring DNS, DHCP servers.
• Extensive experience in dealing with vendors for MPLS/DSL installations.

TECHNICAL SKILLS

LAN Technologies: Optimizing STP (Portfast, Uplink fast, Backbone fast, Root Guard, BPDU Guard), RSTP, MST, VTP, Etherchannel (PAGP & LACP, Load balancing), VLANS, Inter-VLAN Routing, Vpc, Vdc.

WAN Technologies: Frame Relay, ISDN, PPP, HDLC, ATM, MPLS, Leased Lines, Cable modem, T1, T3, DS3, OC3.

Protocols: RIP, RIPV2, EIGRP, OSPF, BGP, IGRP, HRSP, VRRP, GLBP, LACP, PAGP

Security: AAA, IDS, TACACS, RADIUS, IPSEC VPN on SRX series platforms, Syslog Server Logging

Network Management tools: CiscoWorks 2000, Solar Winds, HP Openview, Vital QIP, Wireshark, SNMP, Tcpdump

Wireless: Aruba Airwave, AirMagnet Spectrum, Bluetooth

Operating Systems: MAC OS X, Windows 7/8/10/XP, LINUX, UNIX, Cisco IOS

Hardware Platforms: Cisco routers (7600, 7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series) ASR 9K, 1K, Nexus 7K, 5K, 2K & 1K

Firewall: Cisco ASA, Check Point, Juniper SRX, Palo Alto

Load Balancers: Cisco CSM, F5 Networks Big-IP LTM, GTM

PROFESSIONAL EXPERIENCE

Confidential, Miami, FL

Network Engineer

Responsibilities:

• Responsible for managing and supporting LAN, WAN, Wireless and security infrastructure for cruise ships, ports, shore-side lab environment.
• Performing testing, development and monitoring of network environments, which involves working on Cisco Catalyst switches, Nexus 5k/7k/9k switches, Cisco ISR/CSR routers, Cisco WLC, Aerohive Wireless controllers, Mimosa P2P Wireless APs, Palo Alto firewalls, Dell EMC switches, Riverbed WAN Accelerators, Solarwinds, Live Action, Splunk, Elk Stack.
• Troubleshooting network issues impacting passenger internet, guest services, corporate services and vendor network access.
• Good Knowledge of network management tools and protocols. Experience with application protocols.
• Designed / Facilitated Build / Managed DOCSIS RF Lab.
• Experienced with Testing tools and tools such as JIRA, HP Application Lifecycle Management, Iperf, Nmap and Averna Docsis packet capture.
• Have developed and ran various DOCSIS 1.0 / 1.1 / 2.0 / 3.0 automated and manual test scripts programming languages to control various DOCSIS equipment.
• Well versed Knowledge of IP networking and network security as well as good knowledge in Peripheral Component Interconnect PCI.
• Hands-on experience with Perl, Python and Java.
• Adaptive to cloud strategies based on AWS (Amazon Web Service).
• Familiar with cloud computing service like Microsoft Azure.
• Familiar with network traffic captures and network mapping tool like Wireshark.
• Strong working experience with Static, RIP, EIGRP, OSPF BGP Routing protocols.
• Vendor coordination for all Network, Security and Wireless services.
• Completed projects like vendor deployments, WAN migration, ship-to-shore network extensions, routing design changes, network monitoring setups.
• Worked with application, cloud systems, database, incident management and IT support teams to resolve issues, improve performance, and deploying new services to the existing infrastructure.
• Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP and identifying the root cause of the issues.
• Supporting EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers
• Recommends, designs and builds network infrastructures.

Confidential, Los Angeles, CA

Sr. Network Engineer

Responsibilities:

• Working as part of global network operations team managing Data Center networks hosting DNS, Citrix, VMWare, VoIP, Video Conferencing, Exchange Mail and other applications/services.
• Acting as on-call and point of escalation for troubleshooting and assistance to NOC for Data Center Networks with experience in monitoring tools like SevOne, NetCool, Splunk Server, Syslog.
• Completed and ongoing projects include creation of new DMZ partitions on F5, migration of services across devices/partitions, physical relocation of hosts across switches, software upgrades.
• Performing service requests, troubleshooting and technical assistance to customers involving hosting applications and services as per Service Agreements.
• Managing around 6000 devices include Cisco Catalyst 6K chassis, Nexus 5K, 7K, 9K switches, Juniper EX2300, EX3300, EX3300, EX4200 switches, F5 vCMP clusters, F5 1600, 4000, 4200 Load Balancers (LTM/GTM/APM modules), Cisco CSS 11500.
• Protocols/Technologies used include 802.1Q, VTP, STP, VPC, VXLAN, LACP, PAGP, EIGRP, BGP, VRRP, SPAN, Tcpdump.
• Worked as single network resource with architecture, application, software development/testing, storage server, VMWare/Citrix Server teams and vendors on projects such as migrating confidential assets to secure administrative F5 partitions, new application rollouts, DNS changes, new installs of routers/switches/load balancers, software code upgrades.
• Acting as on-site resource for physical checks, hardware testing, hardware installs, line-card replacements, cabling checks, rack relocations, SFP replacements and inventory management.

Confidential, NY

Resident Network Engineer

Responsibilities:

• Configured and maintained Cisco 3650, 3750 switches for site connectivity to various state agencies as a part of LAN Engineering Team.
• Undertook projects related to BGP routing and security issues on Juniper SRX650 core devices.
• Performed trunking, port-channel, mac-address security changes on Avaya 4134, 2330 and 5540 devices according to customer requirements.
• Supported connectivity and user migration to Citrix Server Farms from a networking standpoint, involving a multi-vendor Data Center environment.
• Solved issues related to GRE and IPSec tunnels for site to core traffic involving Avaya Secure Routers, Cisco Catalyst 3000, 5000 series, Nexus 7k switches and Juniper SRX Layer 3 devices.
• Provided design solutions and implemented LAN changes for energy management system on 90 sites.
• Supported 1700 network devices ensuring connectivity to 12000 users.
• Applied source, destination and static NAT rules for agency exchange access to internal servers.
• Performed new design implementations on Palo Alto 7020 HA deployment, Juniper SRX 3600 Chassis Cluster, Cisco 3750 Stack and Avaya 8600 Core Switches involving multiple state agencies in accordance to CTO policies.
• Maintained BGP routing over GRE and IP-IP tunnels connecting core and 90+ sites.
• Performed design testing of transport solutions for customers and on-site vendors for WAN connectivity.
• Performed VLAN translations, Port-channel trunking and trunk extensions in Datacenter switches.
• Monitored network device performance and made necessary changes to make data and voice transmission more efficient.

Confidential, Irving, TX

Network Engineer

Responsibilities:

• Regular upgrade and maintenance of infrastructure, installing, configuring, and maintaining Cisco Catalyst 3850, 4500 Series, Nexus 5k, 7k Switches, Cisco 4800, 3600, 5000 Series Routers, Juniper MX 2008 Series Routers, SRX 4000 Series Firewalls, F5 Big-IP ADC, Palo Alto PA 3050 Series firewalls, Brocade ICX Series switches, Blue Coat Proxies and Riverbed SteelHead appliances.
• Manipulation/filtering using PBR and route maps and troubleshooting routing issues like suboptimal routing and asymmetric routing.
• Responsible for installation and maintaining Cisco ASA firewalls, Riverbed WAN accelerators, Blue Coat proxies, and Linux/Bind DNS servers.
• Configuring IP routing on Juniper MX 2008 routers.
• Successfully migrated the Cisco Legacy environment which consists of 4500, 3850 to Cisco Nexus 7k, 5k.
• Configuring BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and Route Policy implementation on Juniper MX 2008 and Cisco ISR 4800 Edge Routers.
• Converted branch WAN links from TDM circuits to MPLS and encryption from IPSec/GRE to GetVPN.
• Security policy review, configuration, zoning, NATing and IPSec VPN tunneling in Palo Alto PA 3050 and Juniper SRX 4000 Firewalls in US offices and Data Center.
• Configuration and troubleshooting for VoIP systems based on CUCM using Cisco 7800 and 8800 series IP phones.
• Configuring various features (Profiles, Health Monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA, Digital Certificates) and executed various migration/upgrade projects across F5 Big IP LTMs.
• Microsoft Exchange, IIS, and ISA Server Setup software, Network configuration, Active Directory, Reset User Account information.
• Implemented and used SDM to configure Cisco IOS security features and network connection.
• Network Segmentation, Application migrations for enterprise Private Data firewall and data behind ASA 5585-Xs
• Troubleshooting and monitoring TCP/IP issues as necessary using FW monitor, tcpdump, Wireshark, Ethereal.

Confidential, Reston, VA

Network Engineer

Responsibilities:

• Actively participated in upgrading Fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 4000 Series ISR routers and Avaya 3000 Series Access Switches to 2950, 3550. This project was also involved in configuring and testing OSPF and BGP protocols.
• Installed and Configured Juniper and Cisco Routers - GSR 12000, 7600, 4500, 2800s series.
• Configuring and troubleshooting MP-BGP Session and OSPF routing between Edge routers
• Knowledge of Cisco ASA 5520, 5550 firewalls.
• Supported on IP Telephony & Cisco 7940 and 7960 VoIP systems.
• Involved in replacement of FPCs, PICs on Juniper M320 and T640 routers.
• Automated and manual testing expertise in SIP and MGCP.
• Switches standardization- Includes replacing old switches with standard Avaya 3000 switches, upgrading Cisco IOS/Cat OS on Cisco 3500, modifying switch configuration, adding authentication, logging and SNMP configuration parts.
• Worked on troubleshooting customer issues related to MPLS VPN related issues involving PE configuration issues, PE-CE link issues such as routing protocol configuration, Layer1/Layer2 issues, BGP4 address-family related issues, MP-BGP.
• Experience using IXIA-5.6 for network scalability and feature testing.
• Worked on Gigabit Ethernet service related issues troubleshooting Avaya 3000 and Brocade ICX 7150 switches.

Confidential

Network Engineer

Responsibilities:

• Performed IOS upgrades/Password recovery on Catalyst 1900, 2900 series switches and 2500, 2600 series routers.
• Performed physical network setup which involved racking, stacking, and cabling network-based, IT systems.
• Configured Access-lists (Standard, Extended, Named) to allow users all over the company to access different applications and blocking others.
• Configuring of IP Allocation and subnetting for all applications and servers and other needs throughout company using FLSM, VLSM addressing.
• Troubleshooting the issues related to L1 and L2 levels of the system networks.
• Network maintenance checks, configure and manage printers, copiers, and other miscellaneous network equipment.
• Installing Windows, Lunix operating systems, Microsoft software and hardware on computers.
• Responsible for Data backup, System update, recovery and restore, and Spyware removal.
• Assisting Junior and Senior Engineers, on-site management of cable-wiring technicians.
• Troubleshoot problems on a day to day basis and documented every issue to share it with system design teams.