OBJECTIVE

• Decisive, Results - Focused professional offering an experience of over 7 years in Network Design, Implementations, Operations and Network Support seeking a challenging position.
• Innovative and exceptionally creative to foster ideas that impel the organization towards a result-oriented direction.
• Impeccable Client Management and leadership skills with impressive professional-speaking abilities

SUMMARY

• Network Engineer with 7 years of experience in the industry, which includes expertise in the areas of Routing and Switching, firewall technologies, systems design, administration and troubleshooting, Network Security.
• Design of Security Perimeter for intranet and internet threat mitigation.
• Excellent knowledge and experience on multi-vendor platforms like Cisco, Juniper, Checkpoint, F5 Networks, Riverbed, Citrix, and VMware.
• Expert knowledge of Cisco’s IOS, NX-OS & IOS-XR.
• Experience in implementing and troubleshooting complex L2/L3 technologies such as VLAN, VTP, Ether channel, Trunking Protocols, GRE Tunnels, STP, RSTP and MST, VTP, ISL, and MPLS,802.1c
• Have experience in Global ITIL Network Support.
• Expert in Cisco CLI and Cisco IOS.
• Manage a variety of other security appliances (IDS/IPS appliances, NAC Appliances, network taps, etc.)
• Expert Level Knowledge about TCP/IP and OSI models.
• VPN Security solutions ( IPsec Site-to-Site VPN, Remote access VPN, Easy VPN, SSL VPN).
• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
• Experience in configuring HSRP and redistribution between routing protocols troubleshooting them.
• Knowledge on Cisco Nexus 5k and 7k Switches.
• Experience in installing and configuring Cisco Catalyst 2900, 3500, 3700, 4500, 6500, 3750 switches
• Experience in forensic analysis and DLP.
• Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP ability to interpret and resolve complex route table problems.
• Develop, design and implement firewall infrastructure surrounding Checkpoint and Cisco Firewalls .
• Good understanding of F5 Global and Local traffic Manager and load balancer, CSS and ACE load balancers Excellent communication skills to interact with team members and support personnel and also can Confidential as a mentor to less experienced personnel.
• Technical understanding of wireless standards.
• Hands on experience on Firewall, IDS,IPS.

TECHNICAL SKILLS

CISCO Switches: Cisco Switches (2900, 3500, 4000, 4500, 5000, 6500, Nexus 5k & 7k) and Cisco IDS sensors.

Routers: Routers (1800, 2500, 2600, 2800, 3600, 3800, 7200, CRS 1).

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

Management Tools: SNMP, Syslog, Sniffer, Wire shark, Net scout, Node Manager and Solar winds

Monitoring Tools: Net Db, Netcure, Stat Seeker, Nagi OS, App Critical, Cisco Works, Net VCR, Service Center, Sales force, Nexus- PeopleSoft, Aspect,Verint and Hammer tools

LAN Technology: VLAN, VTP, Inter-Vlan routing, ISL, dot1q, STP, RSTP, PVST, HSRP, GLBP, Ethernet, Fast Ethernet, Giga Etherenet & 10 Giga ethernet, Port security. 802.1x

WAN Technology: Frame Relay, X.25, E1/T1/DS1/DS3, PPP, MPLS, PPP, ATM, Channel & Leased lines

Network Security/Firewall: Knowledge of Cisco ASA Firewall, Layer 2 Security, VPN, IDS/IPS, IPSec, ACL, load balancing, NAT/PAT, Filtering, Checkpoint, McAfee Firewall Enterprise, Palo Alto Firewalls

Network Management: SNMP v2, Cisco Works NCM, 3Com Network Analyzer, MRTG, Solar Winds NPM, TACACS.

Communication Protocols: ARP, Wi-Fi, WiMAx, CDMA, 3G

Infrastructure Services: Implementation of DHCP, DNS, FTP, TFTP, VoIP (SIP, H.23, MGCP), L2VPN

Load balancers: A10, F5

Routing and Routed Protocols: Routing Protocol (BGP, OSPF, EIGRP, RIP), Routed Protocol TCP/IP, ICMP,802.11x, 802.1x, QoS, SNMP

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

PROFESSIONAL EXPERIENCE

Confidential, Albany, NYC

Network Engineer

Responsibilities:

• Implementing and maintaining 2800,2900,3600 Series Routers and 2900,3650,3750 Series Switches and Cisco 1252 and 1262 Access Points for various sites
• Implemented and Configured Cisco Nexus 5020, 5596 and 7010 series switches.
• Troubleshooting all network devices like Routers and Switches across the enterprise
• Communicating with Vendors and Telco’s to resolve network outages and periods of reduced performance.
• Upgrading and Expanding network systems and their components.
• Establish site- Site VPN, and SSL VPN connectivity on checkpoint firewall
• Involved in Wireless networking using protocols like 802.11 (a,b,g), 802.1x, 802.11i
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Upgrading Cisco IOS and adding AAA authentication commands in various Cisco Routers and Switches using TFTP.
• Experience in set up, configuration and management of Cisco ASA 5500 series firewalls in various domain such as Internet, DMZ, Business-Partner and Remote-access VPN etc
• Worked with packet sniffer like Wire shark to trace data flow and troubleshoot networks
• Used Cisco Identity service engine to provide secure and guest access.
• Worked on Cisco Routers, Active /Passive Hubs, Switches, Juniper SRX firewall, VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall
• ConfiguredJuniperMX480s, EX8200s, EX4500s, EX4200s, from scratch to match design
• Worked with Network Security team for testing of Palo Alto firewall.
• Installed and Configured of Cisco Switches 2950, 3500, 3750, 4500 and 6500 series, Juniper EX 2200, EX4200, EX3300, EX8200, EX9200 EX4500Juniper MX 960, SRX 240, SRX 210, SRX 220, SRX 1400, SRX 3400, SRX 65.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP with VRF.
• Worked along with the team in ticketing issues.
• Worked on monitoring tools like Net Db, Netcure, Stat Seeker, Nagi OS, App Critical, Cisco Works, Net VCR, Service Center, Sales force, Nexus- PeopleSoft, Aspect,Verint and Hammer tools
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) /EPLS network using Frame Relay and Open Shortest Path First (OSPF).
• Configured Cisco Routers for OSPF, IGRP, EIGRP, Static and default route
• Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path.
• Responsible for day to day management of Cisco Devices, Traffic management and monitoring.
• Configuring Cisco Catalyst 2900, 3500, 3700, 4500, 6500, 3750 switches.
• Designed and Documented various network for Various sites.
• Worked also as Security admin in UNIX and Windows environment.
• Technical knowledge on forensic analysis and DLP.
• In-depth knowledge of DNS, DHCP, QIP Proxy products.
• Assist and implement daily adds, moves, and changes, including cabling infrastructure, and hardware (Racks, WIC’s, Patch Panels, Copper & Fiber Hardware).
• Manage a variety of other security appliances (IDS/IPS appliances, NAC Appliances, network taps, etc.)

Confidential, Chicago, IL

Network Engineer

Responsibilities:

• Involved in buildup network topology according to client requirement and verification of network topology.
• Design, configure and troubleshoot networks using routing protocols such as RIPv2, OSPF, BGP and route distribution.
• Migrated legacy F5 LTM and GTM appliance to newer version appliances
• Created complex rules utilizing TCL scripting to perform load balancing decisions.
• Upgraded GTM modules from version 10 to version 11+
• Configured F5GTM solutions, which includes WideIP, Pool Load Balancing Methods, probers and monitors.
• Support design and planning of Juniper MX series, EX series, TX Series, SRX 240, SRX 210, SRX 220, SRX 650
• Configured and deployed GEOIP and Topology record on the GTM to load balancing client requests to nearest hosting data center
• Desingn and deployed F5 LTM and GTM load balancer infrastructure per business needs from the ground up approach
• Implemented Web traffic load balancing function and manuplated
• Configured and deploy LTM for application such as Exchange, 2010, 2013, SharePoint, VMview, using iApp and manually
• Strong understanding of the Global Traffic Manager and iQuery functionality between LTM & GTM for a HA design.
• Configured SSL offloading, bridging and pass through for custom applications per business needs.
• Responsible for High and low Level design as it pertains to load balancing infrastructure and changes.
• Configured and deployed LTM with Inbound NAT configurations and outbound NAT server to IP mapping.
• Responsible for review of network design, implementation plans, and customer requested changes
• Implementing security policies using ACL, Firewall, IPSEC, SSL, VPN, AAA(TACACS+ &RADIUS)
• Upgrade Cisco Routers, Switches and Firewall (ASA) IOS using TFTP.
• Installed and configured F5 BigIp to provide Load Balancing for server across multiple datacenters..
• Working knowledge of leveraging F5 devices for web acceleration and caching.
• Filtering network traffic by configuring IP access list to comply with Organization network policy.
• Worked with Network Operations Center (NOC) to troubleshoot various network issues like TCP/IP, VLAN, MPLS, routing issues like RIP,OSPF,BGP
• Study the existing architecture and in corporate available equipment and resources into the design.
• Assigned reusable IP addresses using DHCP to DHCP clients and other hosts in the network
• Installed and Configured of Cisco Switches 2950, 3500, 3750 and 6500 series.
• Installed and Configured Juniper and Cisco Routers - GSR 12000, 7600series, 4500, 2800s, Cisco ASR 9001, ASR 9904 and ASR 1006
• Implementation and troubleshooting of Cisco Firewalls and Juniper Firewalls
• Implementation of VLANs, STP configuration on Cisco 2900XL, 3750.
• Installed and configured Cisco Catalyst 2900, 3500, 3700,4500,6500, 3750 switches and Nexus 7K, 5K and 2K switches.
• Installed and configured firewalls and Cisco/A10 load balancers, F5 Global and Local Traffic Manager load balancer, CSS and ACE load balancers.
• Cisco routers and switches, application of TCP/IP, including routing protocols, IP subnetting and common TCP network applications such as Telnet.
• Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.Advance knowledge of routing and switching protocols to include security policy setup, threat protection (IDS/IPS).
• Also involved in Configuration of Nexus 7010 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus Version 4.2 and 5.0, Nexus VPC peer links.
• Involved in Troubleshooting Nexus 2K and 5K switches.
• Worked with Cisco CRS-1/CRS-3 and GSR platforms.
• Experience configuring/administrating technologies including: Checkpoint and Palo Alto.
• Advance knowledge of routing and switching protocols to include security policy setup, threat protection (IDS/IPS).
• Configuring, migrating and coordinating changes for replacements of Checkpoint M2 and M8 devices with Checkpoint 12000 series
• Upgraded IOS on various Cisco Routers like 3945 and 2911 as well as switches like 3750, 4500 and 6500.
• Implemented AP’s using Wireless Protocols like 802.11 (a,b,g) 802.1x, 802.11i,

Confidential, Bohemia, NY

Network Engineer

Responsibilities:

• Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
• Configured OSPF redistribution and authentication with type 3 LSA filtering and to prevent LSA flooding.
• Migrated Legacy F5 LTM and GTM appliance to newer version appliances.
• Upgraded GTM modules from version 10 to version 11+.
• Configured F5 GTM solutions, which includes WideIP, Pool Load Balancing Methods, probers and monitors.
• Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path.
• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 4500, 3500, 5000, 6500 Series switches. Also worked with Cisco IDS sensor
• Implemented Hot Standby Router Protocol (HSRP) by tunning parameters like preemption.
• Implemented various OSPF scenarios on networks consisting of 7600 routers.
• Configured policy based routing for BGP for complex network systems.
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s Site.
• Tuned BGP internal and external peers with manipulation of attributes such as metric, origin and local Preference.
• Cisco Secure Access Control Server (ACS) for Windows to authenticate users that connects to a VPN 3000 Concentrator.
• Racking and Stacking of Cisco 3750 Switches.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Responsible for day to day management of Cisco Devices, Traffic management and monitoring..
• Also involved in designing and implementing IP MPLS network.
• Involved in provide higher technical support to NOC and other operation teams regards to IP/MPLS infrastructure.
• Helped team members in configuration of Juniper 4350, 6350, and 2320 routers as well as EX 2200, 4200, 6200 and 8200 switches.
• Member of Network testing team. Also worked with Qos.
• Responsible for Manual testing, reporting defects and working closely with development in narrowing down issues.
• Worked with Network Security team for testing of Palo Alto firewall
• Developed the necessary libraries for the different to run different Network test.
• Responsible to run different kind of Network test. This includes MPLS, BGP, SNMP, and Firewall. Also worked with testing with traffic generator.

Confidential

Network Specialist

Responsibilities:

• Assisted in troubleshooting LAN connectivity and hardware issues in the network of 100 hosts.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Created a backup and recovery policy for software application and verified peripherals are working properly.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP & OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems on a day to day basis & provide solutions that would fix the problems within their Network.
• Responsible for Windows 2000/2003 server, DNS, and TCP/IP support.
• Monitor the operability and reliability of the network.
• Worked with Cisco Secure Access Control Server (ACS) for Windows
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Managed the IP address space using subnets and variable length subnet masks (VLSM).
• Responsible to help team for troubleshoot, configure and resolve the issues regarding F5.
• Support design and planning of Juniper MX, EX and TX Series network routing products within the Customer infrastructure.
• Support ongoing efforts in defining best practice policies for Juniper product applications used by Customer.
• Proactively perform corrective maintenance for IP/MPLS network.
• Review and evaluate all ITC technical documents related to IP/MPLS network.
• LAN cabling in compliance with CAT5 standards.

Confidential

Network Engineer

Responsibilities:

• Responsible for the configuration, implementation and operation of Cisco 3745 routers Cisco 6509 and 3560 L2/L3 switches.
• Removed Cisco 3600 and 2600 series routers and Cisco 2900 series switches from the current infrastructure and replaced them with the Cisco 6509 or 3560 L2/L3 switches.
• Configured RSTP, MST and used VTP with 802.1q trunk encapsulation. Provided port binding and port security wherever required. Provided router redundancy through HSRP.
• Configured ether channels using PAP and LACP.
• Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
• Provided testing for network connectivity before and after install/upgrade.
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.
• Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay and ATM).
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external.
• Escalation procedures and customer notifications.
• Design service for /upgrade/configure ALU’s IP/MPLS products e.g. 7705 SAS, 7210 etc.
• Worked on HSRP and GLBP for first hop redundancy and load balancing.
• Configured the Cisco router as IP Firewall and for NATting.
• Prepare, update, and maintain technical and logistical network documentation.
• Member of Network Test team and responsible for routine Network test.
• Responsible for resolve any issue in routine Network test and need to escalate higher technical team, if there is any major issue.
• Worked on comprehensive test strategy and test plan based on the features to be tested, with focus on customer deployment and use-case scenarios.