SUMMARY:

• Experienced Senior Network Engineer /Architect. Served in senior level engineering and consulting positions as an expert with responsibility for design, development, and deployment of data communication. Extensive software test/, implementation and operations of very large and highly complex Enterprise and Service Provider Networks.
• Vast experience in network architectural design and implementation of large data centers and network infrastructures, both in enterprise and service provider networks environments. I have excellent communication and management skills, and have a broad background in many technologies and disciplines. Specialize in large - scale network designs, deployment and integrations.

TECHNICAL SKILLS:

Routing: BGP, OSPF, EIGRP, RIP, IS-IS, IPv6, IGRP, VRRP, QOS, Multicast, and routing redistribution between various protocols

Security: Security Architecture and Best Practice designRADIUS, TACACS+, NAT, ACLs, RAS, IPSec, Checkpoint Firewall, AAA, GRE, PPTP, 802.1X

WAN: SONET/SDH, DWDM/CWDM, T3, T1, Frame Relay, Leased Lines, MLPPP, MPLS (LDP, RSVP),6VPE/PE, PPP, HDLC, POS Links, 10GE LAN/WAN PHY.

Ethernet Switches: Cisco Catalyst 8540, 6500, 5500, 5000, 4500, 4000, 3750, 3650, 3550, 3500, 2900 XL Nortel Passport 7k, 15K, 8600, BPS 2000 Riverstone RS - 8000, Extreme Summit x450e, Telco T4R, World Wide packet LE Concentrators 3Com Switch 5500, 4500, 7750

LAN: Ethernet 10/100/1GE/10GE, Cat 3/5/6, Fiber, Layer 3 & 2 channeling, BFD, Spanning-Tree, RSTP, VTP, ISL, 802.1q,WAAS, WCCP,VPC

Wireless/Mobility: Wireless Site Survey and Design WAP, AES, 802.11A/B/G, Wi - Fi 2G/3G, UMTS, CDMA, GSM, ROIP, LMR

Project Management: Work Breakdown Structure Project Implementation Plan Risk Analysis Sequence diagram, flowchart and coverage analysis

Routers: Cisco ASR, 7000 series, 3800, 3700, 3600, 12000 (GSR), Nexus 5/7K, and CRS (8/16 - slot) Alcatel 7700, 7800, 7750 Juniper M40, M240,MX-480, EX4200 IBM BNT RackSwitch G8000, G8124 Expert Knowledge of Network Design and Deployment. Expert Skill and Knowledge of Cisco IOS on multiple platforms 3000 series, 7000 series, 12416 (GSR), CRS (8/16 slots). Expert Skill and Knowledge of Cisco IOS-XR on both 12416 (GSR) and CRS (8/16 slots). Expert Knowledge in setting up, configuring, and troubleshooting Cisco 12416 (GSR) and CRS platforms. Expert Knowledge in configuring and troubleshooting Juniper JUNOS on MX 480 & 960 and EX switches. Expert Knowledge in configuring and troubleshooting Interior Gateway Protocols (OSPF, EIGRP, RIP). Expert Knowledge in configuring and troubleshooting Border Gateway Protocol (BGP) features such as inter-AS routing, Route Reflector, Interaction with BFD, Multi-protocol BGP. Expert Knowledge in configuring and troubleshooting MPLS Protocols (LDP, RSVP). Expert Knowledge in configuring and troubleshooting Multi-protocol VPN & VPLS based on Martini Pseudo wire. Expert Knowledge in configuring and troubleshooting Any Transport over MPLS (e.g ATM/FR over MPLS). Expert Knowledge in configuring and troubleshooting IPv6 over MPLS. Strong Knowledge in configuring and troubleshooting Multicast and Multicast VPN Solutions. Good Knowledge in automating tests using Perl, TCL-Tk, and Expect.

PROFESSIONAL EXPERIENCE:

Confidential, New York City, New York

Senior Data Network Design Engineer - Consultant

Responsibilities:

• Large Datacenter network design to support Network Virtualization and Grid 2.0
• Continual improvement to enhance current Top of the Rack (ToR) Pod network designs in Confidential Datacenters.
• Design of new Datacenter rollout and of both network devices and software versions.
• New software releases and rollout (IOS/JUNOS/BNT) in Confidential enterprise network conjunction with multiple vendors including Cisco, Juniper, and IBM BNT.
• Creation of cut-sheet, cabling matrix, and rollout templates for operation teams deployments projects.
• Configuration reviews of routers/switches in multiple Datacenters (DC) to ensure adherence to Confidential best practices. f Juniper EX4200 switches as user domain switch to support Avaya IPT connectivity in Datacenters.
• Provide 3rd level support to operation team on regular basis.
• Active participation in weekly reviews of network designs from any section of the network - Core, Campus, Datacenter, user deployments.
• Vendors design proposal reviews as part of effort toward selecting preferred vendors for new Datacenter rollout.
• Knowledge of carrier circuit procurements and installation for Datacenters/clients sites connectivity.

Confidential, Middletown, New Jersey

Lead Network Engineer/System Analyst

Responsibilities:

• Leadership role within a team of 9 engineers tasked with the design, development and rollout of 3rd party vendor equipment for use in Confidential & Confidential network for provision of Service Provider services to support numerous corporate and individual users’ traffic.
• Design and verification of Multicast protocols - IGMP, PIMS (Sparse & Dense Mode) on GSR/CRS platform with Cisco IOS-XR software
• Designed network to accommodate the migration of existing infrastructure for video and mobile applications from existing Cisco C12k (GSR) to Cisco CRS routers. Successful deployment of this design in Confidential & Confidential live network accomplished within expected timeframe with no setback.
• Protocols design, configuration, test, and deployment include; OSPF, BGP, QoS, MPLS (LDP, RSVP, CSPF, TE, FRR), 6VPE, BFD, LACP, Etherchannel.
• Lead role in the development of Network Topology diagram for Confidential & Confidential Peering, Cluster and Uverse/DSL applications.
• Compatibility testing of Cisco’s 1GE, high bandwidth 10GE (LAN/WAN PHY) and SONET Layer1 technologies with L1 optical DWDM equipments including Nortel 5200, Fujitsu FW 7500 and Nokia-Siemens Surpass hiT 7500 to ensure seamless operation of optical signals for long haul between Confidential & Confidential POPs across the US and the rest of the world.
• Design and deployment of security infrastructure to protect user data and access on the edge routers. Security deployment include Access Lists, RADIUS/TACACS+ with AAA for both users authentication and authorization.
• Router/Network Access protection via CLI password protection, SSH, Aux, console protection.
• Design and configuration of stateful firewall with Cisco Context-Based Access Control (CBAC), Zoned based Firewall, and Intrusion Prevention System (IPS).
• Researched/Developed/Reviewed Test Plans from Field of Use (FOU) and Engineering Design Rules Document (EDRD) for multiple features/protocols on a regular basis as part of product requirement to test the functionalities of these features/protocols on Cisco CRS-8 & CRS-16 deployed as edge/core routers and combination of Juniper 480 and Cisco ASR as aggregation and CE routers.
• Configured Cisco ASR, GSR, and Juniper MX480/960 with OSPF, BGP, BFD, QOS Policies to interact with CRS deployed as CBB edge device.
• Successfully raised and documented about 100 functional bugs/enhancements in Cisco IOS-XR software within every cycles that last for 6 months. And maintain on-going interaction with vendors towards resolving all identified software change requirements.
• Extensive configuration and troubleshooting of both Cisco and Juniper routers for Confidential & Confidential network operations as part of network /deployment rollout. Also worked with traffic/protocol monitoring tools such as Wireshark, HP Internet Adviser, Agilent, Spirent Test Center
• Participated in the technical reviews of all engineering documents with both design and operation teams.
• Built/Teardown numerous network test beds made up of multiple routers and Traffic generators (Spirent, Agilent) as part of requirements to test multiple features/protocols on vendors’ software/hardware for Confidential & Confidential .
• Integration and migration of new Content Delivery Network (CDN) routers to provide Content Delivery Services in Confidential & Confidential network to Internet users in conjunction with other top tier ISP peers like Verizon and Sprints.
• Coordinated of new Arctic AC/DC Power Supply system on Cisco CRS routers prior to deployments in Confidential & Confidential labs and production networks. This is part of data-center power upgrade to support current and new hardware rollout. Conducted critical evaluation of the power components to ensure it conforms to Confidential & Confidential data-center deployment guidelines.
• Worked directly with Tier3 & 4 as well as design team to implement multiple functionalities as required to meet the network operation standards in Confidential & Confidential and also to design Method of Procedure (MOP) documents for network operations.
• Interface with equipment vendors technical teams, such as Confidential s, to track open issues/bugs until resolved. Also interface with the vendor sales team on behalf of Confidential & Confidential team to track purchase orders and validation of such orders when delivered.
• Liaised and worked with infrastructure team in the lab planning and with emphasis on power and cooling planning.
• Mobility and Wireless data & voice traffic aggregation capacity planning and for Confidential & Confidential Network.

Confidential

Senior Network Engineer

Responsibilities:

• Research/Developed/Reviewed Test Plans from Functional Specifications and other documents for multiple features/protocols on a regular basis as part of requirement to test the functionalities of these features/protocols on Cisco 12000 platform (GSR) routers.
• Technical design and implementation of the network infrastructure consisting of Cisco 2600, 7600, 12000 (GSR), CRS and Catalysts 3750 and 4500 switches
• Configuration and operational knowledge of IPV4 Multicast implementation in both sparse & dense mode operations
• Configuration and operational knowledge of IPV6 Multicast implementation in both sparse & dense mode operations
• Protocol-Independent Multicast (PIM) protocol sparse mode optimization
• Development Testcase automation with TCL/TK & Perl
• Developed/Executed Tcl/Expect scripts for regression analysis of test coverage areas
• Modified existing scripts to address changes in test coverage
• Staging of automation scripts in automation testbeds with UNIX shell scripting
• Extensive and scale testing of Access Lists on GSR Platforms as part of benchmark testing.
• Utilized advanced OSPF, BGP, IP, MPLS and QOS protocols on Packet over SONET (POS) interfaces.
• Regular monitoring of network performance and tracking network remote monitoring events and notifications for performance tuning purpose.
• Tested designs in a lab and pilot environments, and worked closely with Cisco development engineering teams
• Tested MPLS LDP and CR-LDP functionalities as part of the 6VPE feature coverage. Test includes LDP session setup, LSP setup/teardown, targeted session, label swapping.
• Tested implementation of plain IPv6 traffic (RFC 4798) and IPv6 VPN (6VPE) over an IPv4 MPLS core (rfc 2547 spec.) in IOS-XR Release 3.5. Documented observed defects and track these defects with development team until they are fixed.
• Tested IP protocols and L2/L3 VPN solutions (ATOM & MPBGP VPN) with MPLS LDP in multiple IOS-XR software releases developing Test Plans with test cases, designing test labs, identifying bugs and documenting the bugs.
• Implemented/tested Multicast with both IPv4 & IPv6 protocols in release 3.3/3.4 IOS-XR for Cisco GSR platform, documenting bugs with DDTS/TIMS tools.
• Designed network topology and configured ISIS & OSPFv3 routing protocols in IPv6 environment, documented observed defects and track these defects with development team until they are fixed.
• Executed Fabric and Logical routers (LR) tests on GSR 12008 & 12012 platforms specifically characterizing the behavior of these platforms with Cisco IOS-XR software.
• Tested and measured IPv6 forwarding performance in IOS-XR with/without access list and ipv6 extension headers.
• Executed performance testing: tunnel establishment per second, IMIX traffic performance, traffic performance with different packet sizes.
• Participated in Test Plans and Functional Specifications review on a regular basis.
• Regular attendance of team meetings and bugs scrub activities.
• Qualified Compact Flash and PCMCIA cards for GSR router platform from multiple suppliers by measuring boot time and read/write performances of these disks with IOS-XR software as part of the efforts of Cisco suppliers.

Confidential

Senior Network Consultant

Responsibilities:

• Design and setup networks to be used as platform to test multiple protocols/features on 7700/7800.
• Customer level product evaluation of Telco T4R and World Wide Packet (WWP) LE Concentrators. Evaluation includes implementation/interoperability of VLAN/VLAN Stacking with Alcatel 7750 router.
• Interact extensively in a customer facing role with product development teams and marketing team from Telco and WWP.
• Configured and tested stackable Vlan codes on 7700 for release 2.1 and its interoperability with Riverstone, Extreme, Telco, Cisco implementation, identified and documented critical and non-critical software defects (bugs)
• Setup and Configured stackable Vlans for numerous demo presentations to Product Managers and Marketing teams.
• Technical Lead in design and implementation vlan, vlan stacking, and LACP
• Worked with Vendors to ensure timely turn up and test of circuits
• Performed system wide testing and validation failure recovery capabilities on Alcatel 7750 router.
• Performance testing using Ixia based on Benchmarking Testing Methodology described in RFC 2285, RFC 2544.
• Configured and tested Multicast (join, leaves, snooping, scaling) and security attacks (arp, ping, land, smurf, ping of death) on Alcatel 7750 Multiservice router.

Confidential

Wireless Network Engineer

Responsibilities:

• Built lab simulations of customer networks to duplicate, and resolve complex problems and customer observed bugs issues.
• Executed CDMA and 1xEVDO test suites to validate test platforms, test cases and scripts.
• Configure and calibrate test platforms and test applications to emulate customer devices and for failure analysis.
• Sound knowledge of mobility packet core network (NGG, MAG, PPG, Location Based Services network etc.) and messaging network (SMS, MMS, IM)
• Knowledge of RF propagation, RF line loss characteristics and calculations, power measurements, duplexers, circulators, FER, etc.
• Built automated test suites to exercise UI and SW functionality. Optimize and innovate test scripts to simulate real-world environments.

Confidential

Network Support Services Manager

Responsibilities:

• Designed and implemented wide area and local area network (LAN/WAN) infrastructures to deliver data, voice and video for enterprise-wide internal network.
• Managed team of engineers responsible for providing complex on-site technical support as needed with constant conformance to contractual Service Level Agreement (SLA).
• Developed network documentation for installed equipment and configurations.
• Manage vendor relationship with numerous clients as it relates to network support service administration.
• Provided design assistance and performance engineering services as well as architectural network design work for moderate to large-scale size networks.