SUMMARY

• Network & Security Professional with 8 years of experience in Designing and troubleshooting LAN, WAN, MPLS in Branch, Campus and Data Center environments.
• Experience in Wireless LAN (IEEE 802.11) and deployment of light weight access point.
• Extensively exposed to troubleshooting, maintaining devices and migration of technology.
• Efficient use of Microsoft VISIO/Office for technical documentation and presentation tools.
• Exposure to LAN/WAN setup, installation, configuration and troubleshooting
• Experience with routing protocols like EIGRP, OSPF, RIP, BGP and IP addressing,
• Experience in Troubleshooting connectivity and hardware issues on Cisco Networks.
• Experience in L2/L3 protocols like VLAN, STP, ISL, MPLS and Trunking protocols.
• Proficiency in Cisco Routing, Switching and Security with strong Cisco hardware/software experiences with Cisco Routers such as 1900, 2900, 3900, Cisco ASR - 1k/9k,Cisco ISR 2900, 3900, 4000 series, Cisco Multilayer Switches 4500, 6500, Cisco CRS 4/8 CRSx, Cisco Nexus 2k/5k/7k/9k, Cisco/Meraki Wireless, HP 2920, 3500, A5000 Series and Juniper: M320, MX80, MX480, MX960 and EX4200, EX8200 switches, F5 Networks. Palo alto Networks.
• Experience in set up, configuration and management of Cisco ASA Firewall in various domain such as Internet, DMZ, Business-Partner, Remote-Access VPN etc.
• Experience in creating DAP Policies on Cisco ASA for Remote-access users and Creating IPSEC tunnel on ASA with Business Partner Firewall.
• Multicast: PIM-DM,-SM,-BIDIR,-SSM, MSDP
• QoS: Policing, Shaping, H-QoS, LLQ, SRR, WRR, CBWFQ
• MTA Security Fundamentals, MTA Server Fundamentals, MTA Operating System Fundamentals, MTA Networking Fundamentals.
• Experience in configuring and Troubleshooting BIG-IP F5 load balancer LTM,GTM
• Have Experience in Global ITIL Network Support.
• Good knowledge in F5 and Cisco ACE, Citrix Netscaler 10, load Balancing.
• Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module.
• Experience in Layer 3 Routing protocol configurations: RIP, EIGRP, OSPF, BGP, & MPLS.
• Experience in Layer 2 Routing protocol configurations: ATM/FRAME RELAY,IP services such as QoS and VPN technologies: IPSec & SSL.
• Implemented MPLS/VPN services for various customers
• Experience in configuring and troubleshooting vPC on Cisco Nexus-5k for downstream FEX and Servers.
• Experience in configuring VLANs, STP, VTP, PVST and 802.x authentication in access layer switches.
• Strong knowledge of HSRP, VRRP Redundancy Protocols in high availability environment.
• Experience with different Network Management Tools and Sniffers like SNMP, HP-Open view, and Cisco works to support 24 x 7 Network Operation Center.
• Worked extensively in Designing, Implementing & Managing LAN, WLAN & WAN solutions for different client setups.
• In-depth knowledge and experience in WAN technologies including T1, T3, ISDN, HDLC, Point to Point, ATM & Frame Relay.
• Experience in Physical cabling, IP addressing & subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
• Access Control Server configuration for RADIUS & TACACS+.
• Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Staging, Lab & Production Environments.
• Strong Experience in using various tools for management, analyzing, troubleshooting, monitoring & process automation in Lab & Production environment.
• Highly valuable Project Management and Operations Planning skills.
• Good knowledge in WAN Technologies, ACL, NAT/ PAT, Ether Channel, IPSEC and VPNs.
• Enhanced level of knowledge in PPP, ATM, T1 /T3 Frame-Relay.
• Expertise in implementation and troubleshooting of protocols such HSRP, VRRP, GLBP, RSVP ACL.
• Extensive knowledge in different networking protocols DHCP, DNS, FTP, VOIP (SIP, H.323, MGCP),
• Knowledge of Terminal Server, Firewalls, Standard/ Extended ACL, Distribute-Lists.
• Work closely with Customers in determining the business needs for a Project and build Detail design which includes Data Flow diagram, Logical and Physical Diagram
• Perform Design, Implementation & Change Control Script review across organization
• Continually update understanding of business and technology status and objectives and respond to strategic design requests as the business evolves
• Constantly Monitor & Analyze Network Performance to detect problems and find ways to improve the Network
• Perform analysis and diagnosis of highly complex networking problems in the Data Center Environment
• Build simulated networks in test labs to resolve highly complex problems and compatibility issues
• Involved in various POC to test drive new Products/Technologies that would Value add to our Data Center Operation
• Implementing security policies using ASA 55XX Firewall as well as Fortinet firewall,IPS/IDS, AAA Security (TACACS+, RADIUS) on different series of routers
• Extensive experience with Cisco IOS, NX-OS, IOS-XR, JunOS, Windows client/server operating systems, Linux, Networking technologies, Firewalls.
• Maintenance of existing network for day to day activities like link utilization and traffic monitoring.
• Experience in implementation, support and trouble shooting of VLAN’s including operational knowledge of spanning tree protocol (STP),VLAN trunking, inter VLAN routing and ISL/802.1q.
• Working experience with Natting techniques on firewalls such as Cisco ASA, Juniper SRX.
• Understanding ofPythonscripts for system automation, monitoring and security reporting. Maintain existing Perl scripts and migration existing Perl scripts toPython.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500 with ACL, NAT, Object Groups, Failover, Multi-Contexts
• Experience with Cisco IOS, Cat OS, Cisco IOS XR and JUNOS
• Planning, Designing, Installing, Configuring of Cisco 6500, 4500, 2900, 3500, 3750 XL series switches, Cisco 1800, 2500, 2600, 2800, 3600, 3800, 7200 series Routers.
• Expertise on JUNOS OS, J Series, M Series,MXSeries.
• Strong experience in configuration and troubleshooting of routing protocols PPP, RIP, EIGRP, BGP, OSPF, HSRP, IPX, IP, IGMP, QoS, 802.1q and SNMP with excellent documentation skills.
• Extensive working experience of VLANs, Ether channels, Spanning tree protocol and HSRP.

TECHNICAL SKILLS

Routing: ISIS, OSPF, EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution, Summarization, Static Routing, GSR, CRS1 and CRS3.

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing &Multi-Layer Switch, MPLS.

Transparent Bridging Routers: Juniper MX80, MX240, MX 480, MX960, ACX 1000, M120, Cisco 2620, 2901, 3925, 3945E, 7201, 7613

Switches: Juniper EX2200, EX2500 Cisco Catalyst 2232, 2960, 3560, 4507R+E, 5596, 6509-E, 7009Nexus 2232, 5596, 7009

Network Security: Cisco ASA 5540, Juniper SRX 240, ACL, IPSEC

Load Balancer: F5 Networks (Big-IP) LTM 6400, 1600

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay

Gateway Redundancy: HSRP, VRRP, GLBP

Various Features: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP,CDP, TFTP, FTP& services

AAA Architecture: TACACS+, RADIUS, Cisco AC

Network Management: Wire shark, SNMP, Ethereal, EMC Smarts

Operating Systems: Windows (98, ME, 2000, XP, Server 2003/2008, Vista, Windows 7)

Tools: used: Pythonscripting,ShellScripting

PROFESSIONAL EXPERIENCE

Confidential, Sterling, VA

Sr. Network Engineer

Responsibilities:

• Involved in the implementation of Data Center Migration in the Sterling site and assisted with the consolidation of multiple data centers.
• Configuring, maintaining the Routers and Switches and implementation of BGP, OSPF, EIGRP, RIP routing protocols and troubleshooting remote infrastructure management offices in different locations nationwide.
• Troubleshooting and escalation management of day-to-day issues for offices. Managing co-location and Datacenter infrastructure in North America.
• Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope.
• Built site-to-site IPSec VPNs over Frame-relay & MPLS circuits on various models for Cisco routers to facilitate adding new business partners to new and existing infrastructure.
• Experience with design and implementation of Data Center migration.
• Administering multiple Firewall of Juniper SRX in a managed distributed environment.
• Experience working with design and deployment of MPLS Layer 3 VPN cloud, involving VRF, Route Distinguisher (RD), Route Target (RT), Label Distribution Protocol (LDP) and MP-BGP.
• Deploying and distinguishing of VLANs on core ASR 9k, Nexus 7k, 5k, 2k and its downstream devices.
• Experience in configuring, upgrading and verifying the NX-OS operating system.
• Experience with converting 6500 to Cisco Nexus in the data center environment.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• Knowledge of Juniper environment including SRX/Junos Space.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.
• Design and configuring of OSPF, BGP on Juniper routers and SRX firewalls.
• Hands on experience on all software blades of checkpoint firewall.
• Moderate knowledge in configuring and troubleshooting Aruba and Cisco Wireless Networks: LWAPP, WLC, Standalone APs, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics.

Confidential, Atlanta, GA

Sr. Network Engineer

Responsibilities:

• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
• Designed MPLS VPN and QoS for the architecture using Cisco multi-layer switches
• Conversions to BGP WAN routing which involves converting WAN routing from OSPF/EIGRP to BGP
• Troubleshot LAN/WAN by using routing protocols EIGRP, OSPF, & BGP.
• Switching related tasks included configuring VTP for Inter-VLAN Routing, Ether Channel (LACP & PAGP) and RPVST for loop avoidance.
• Experience with deploying PIM Sparse-mode/Dense-mode multicasting in Campus locations.
• Actively involved in Switching technology Administration including creating and managing VLANS, Port security- 802.1x, Trucking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.
• Worked on Juniper MX 480, MX960 devices and enabled routing on OSPF.
• Experience working with ASR 9000 series switches with IOS-XR
• Implemented Access lists and policy mapping onJuniperrouter installed in each branch across all the states.
• Supporting ISIS and BGP based on the network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
• Configure and TroubleshootJuniperRouter (J2320) with IOS (JUNOS 114.4 R7.5).
• Performed IP address planning, designing, installation, configuration, testing, maintenance, and troubleshooting in complete LAN, WAN development
• ConfiguredJuniperrouters for VRRPnetworkrouting redundancy.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Worked on configuration and commissioning of the MPLS circuits for various branch offices.
• Experience with design and deployment of Client VPN technologies including Cisco’s IPSECVPN between the ASA Firewall and between Cisco Routers.
• Experience working with Cisco Nexus2148 Fabric Extender and Nexus5000 series to provide a Flexible Access Solution for a datacenter access architecture
• Experience with deployment of Fibre Channel over Ethernet(FCoE) between the Data Centers using Nexus 5548P Switch.
• Experience configuring VPC, VDC and ISSU software upgrade in Nexus 7010
• Experience in Configuring, upgrading and verifying NX-OS operation system with OSPF, BGP
• Troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP, MPLS
• Serve as part of a team of network engineers responsible for base wide network upgrade from Cisco Layer 3 Catalyst switches to Juniper Layer 3 EX4200 & EX3200 switches.
• Design, implement and administer IPv4/IPv6 enterprisenetworkinfrastructure utilizing Juniperrouters.
• Implemented Site-to Site IPsec VPN between two branch offices and also SSL VPN for user’s connecting from various locations.
• Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication
• Implemented antivirus and web filtering on Juniper SRX 240 at the web server
• Implementation and Configuration ( Profiles, iRules) of F5 Big-IP LTM-6400 load balancers
• Provided Layer-3 redundancy by implementing HSRP and GLBP for High availability.

Confidential, Philadelphia, PA

Sr. Network Engineer

Responsibilities:

• Worked as part of a team to manage Enterprise Network Infrastructure as a Tier 3 Support Engineer.
• Responsible for maintaining the entire Routing and switching domain across the campus / Branch to Head Office including the Layer-2 campus network across the remote branches which included configuring VLANs, trunks, Spanning Tree protocol, Port-Security for Switches and Wireless.
• Administration of ASA firewalls in the DMZ and FWSM in the Server Farm to provide Security and controlled/ restricted access.
• Dealt with implementation of deployment related to Cisco devices and applying security policies on it.
• Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues.
• Planning for upgrade of IOS on devices and performing the upgrade.
• Experienced with Juniper: EX-2200, EX-4200, EX-4500, MX-480, MSeries, SRX210, and SRX240.
• Worked on the Configuration on BIG IP (F5) Load balancers and also monitored the Packet Flow in the Load balancers.
• Configuring OSPF and BGP on JuniperM and MX series Routers
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series and ASR 9k, GSR 12K routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Configured networks using routing protocols such as OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
• ConfiguredJuniperMX480s, EX8200s, EX4500s, EX4200s, and SRX5800s from scratch to match design.
• Has a good experience working with the Trouble Tickets on F5 Load balancers.
• Switch experience includes Cisco Catalyst switches: CISCO 3750, 4500, 6500 series switches.
• Managing enterprise BGP setup by configuring and troubleshooting BGP related issues.
• My responsibility Was also to add new BGP peers for remote branch offices and business partners
• Monitored network traffic and developed capacity planning initiatives, making necessary recommendations additional resources or hardware.
• My responsibilities also include writing and executing Test Plan, Desk level procedures and Test Case documents smooth network operations.

Confidential

Network Engineer

Responsibilities:

• Implement, and maintain Local/Wide Area Network over 13 branches.
• Configure OSPF and Static routing on JuniperM and MX series Routers.
• Worked in Configuration and extension of VLAN from one network segment to other segment between different vendors switches (Cisco, Juniper)
• Providing technical security proposals, detailed RFP responses, security presentation, installing and configuring ASA firewalls, VPN networks and redesigning customer security architectures.
• Troubleshoot Hardware,CiscoIOS, install and configureCiscorouters and switches.
• Configure switch VLANs and inter-switch communication. Build and setup network Laboratory.
• Maintain effective communications with vendors, peers and clients in resolution of trouble-tickets,
• Equipment RMAs, and support requests.
• Involved in the Configuration of NAT on Cisco and Juniper devices.
• Design and implement Catalyst/ASA Firewall Service Module for various LAN’s.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
• Configuring ACL to allow only authorized users to access the servers.
• Participated in on call support in troubleshooting the configuration and installation issues.
• Installation, Maintenance, Troubleshooting Local and Wide Areas Network by using ISDN, Frame relay, DDR, NAT, DHCP, TCP /IP.
• Provided Technical support in terms of upgrading, improving and expanding the network.

Confidential

Network Engineer

Responsibilities:

• Configuration, Management, Troubleshooting of Network devices (Routers, Switches).
• Maintained the Telecommunication Connectivity using DSL and T1 Lines.
• Worked on Routers Cisco 2620, Cisco 3750, and Cisco 2950 Switches & Link sys wireless access points.
• Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols.
• Managed IP addressing and implemented IP Access Lists
• Configured and troubleshoot VLAN, VTP, STP and Trunks.
• Configuring and Maintaining TACACS+ for AAA.
• Installing and configuring protocols like TCP/IP and Internet protocols including Local Area Networking, routing and HTTP.
• RMA’s and provided 24x7 support