SUMMARY

• 8 years of experience in designing, capacity planning, upgrade/maintenance & implementing internet works using Cisco Products with deep understanding of application level security.
• Designing schemes for IP Addressing & Subnetting. Experience in IP Routing with BGP, OSPF, and EIGRP.
• Implemented WAN/Core based on ATM & Frame Relay on Optical SONET infrastructure.
• Worked on VoIP on point - to-point & FR PVC’s with Traffic Shaping. Good experience in implementing MPLS-VPN’s, DWDM.
• Strong trouble shooting experience on Cisco Devices.
• Knowledge of Windows XP, 2003, 2008, ACS, Linux Red Hat server and PERL scripting.
• Experience in configuring IP Multicast, STP, VTP, HSRP, GLBP and redistribution between routing protocols troubleshooting them.
• Knowledge of Avaya VPN Routers (200, 600, 1000, 1750)
• Experience in testing routers and line cards using SmartBits and involved in performance analysis of these routers. IXIA Testing Tool experience.
• Experience in configuring Cisco & Juniper routers and working in multi-vendor environment.
• Router platforms include: 2600 Series, 2800 Series, 3700 Series, 3800 series, 7200 Series, 7, 7500 Series and ASR9K, GSR12K Series
• Configuring and maintaining FW.
• Strong Knowledge of Infoblox load balancer manager
• Knowledge of Aruba Mesh Routers & Switches ( S2500, S3500)
• Switch platforms include: 2900 Series, 3500 Series, 3750 Series(L2 and L3), 4000 Series, 4500 Series(L2 and L3), 5500 Series, 6500 Series(L2 and L3),Nexus (7k,5k,2k)
• Dealt with Riverbed WAN Optimization.
• Managing Network security tool configuring.
• Knowledge of putty for TACAS access
• Knowledge of procom for out - of - band dial - in
• Knowledge of regulatory compliance such as SOX, PCI
• Maintaining Firewall products & UTM.
• Experience with firewall auditing
• Microsoft Office, MS Visio.

TECHNICAL SKILLS

Routers: Juniper MX series and T series routers, Cisco GSR 12000, 7600, 7200, 3800 and ASR 9000 Series.

Switches: Catalyst 6500 series, 3550 series and 2900 series.

LAN Protocols: Private VLAN’s, VTP, DTP, MLS, STP, RSTP, MST, Ether Channel, Inter VLAN routing.

IP Routing Protocols: BGP, OSPF, IGRP, EIGRP, RIP

MPLS: LDP/TDP, MPLS VPN, L2VPN, AVPN

Wireless: 802.1 a/b/g WLANS, 802.1X

WAN /Core: ATM, Frame Relay, MPLS ISDN PRI/BRI, PPP, HDLC

Firewalls: Cisco (PIX/ASA), Juniper (SRX/Netscreen), Fortigate, Palo AltoAlgosec, Checkpoint, QRadar, Stealth Watch, SourcefireZenoss Quality of Service Classification and Marking (CoS, ToS), Congestion, Management & Avoidance (CQ, PQ, WFQ, CB-WFQ, RED, WRED, LLQ).

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

Sr Network Engineer

Responsibilities:

• Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550. This project also involved configuring and testing EIGRP and BGP protocols.
• Implemented and Maintained IP Telephony & Cisco 7940 and 7960 VOIP systems.
• Installed and configured f5 BigIp to provide Load Balancing for server.
• Working knowledge of leveraging F5 devices for web acceleration and caching.
• Advanced skills of designing, coding and troubleshooting iRules and iControls.
• Strong understanding of Web traffic load balancing function and manipulation procedures along with sizing and capacity planning based on a high availability.
• Installed and Configured Juniper and Cisco Routers - GSR 12000, 7600series, 4500, 2800s.
• Migrated distribution Switches 6509 to Nexus 7010.
• Design and deployment of Large scale SONET, ATM, BGP network architecture design.
• Testing for Functionality and convergence of the network.
• Migrating firewalls from Juniper Netscreen 500 to SRX 650.
• Experience using IXIA-5.6 for network scalability and feature Testing.
• Provided Tier 3 support
• Implemented MPLS VPN (RFC 2547) Mechanisms on Cisco IOS and Juniper Platforms
• Configuring and troubleshooting MP-BGP Session Between PE Routers
• Troubleshoot multi area OSPF and OSPF scale issues
• Configured and Worked on PIX(535,525)/ASA(5520,5550) firewalls
• Configured policy statements, routing instances, firewall filters
• Involved in Replacement of FPCs, PICs on Juniper M320 and T640 routers
• Hands on experience on upgrading of JUNOS.
• Ability to work independently and also as part of a team, following established guidelines.
• Automated and manual testing expertise in SIP and MGCP
• Switches standardization- Includes replacing old switches with standard Cisco 3500 switches, upgrading Cisco IOS/Cat OS on Cisco 3500, modifying switch configuration, adding authentication, logging and SNMP configuration parts.
• Proficient in Layer 1 circuit troubleshooting
• 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.
• Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes, BGP route filtering policy problems, ORF etc.
• Worked on deploying Multicast to various customers, that involved PIM- Sparse and Dense modes.
• Worked on routing protocol related issues such as static, RIP, EIGRP(Variance and un equal cost load balancing)
• Worked on issues related to customer access-lists and various security feature
• Worked on Gigabit Ethernet service related issues troubleshooting Catalyst 6500, 3560 switches,
• Issues related to VLAN, VLAN Trunking, HSRP failovers

Confidential, Pleasanton, CA

Network Engineer

Responsibilities:

• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Worked with telecom vendors in regards to network fault isolation.
• Created OSPF multi area summarization plan. Created stub, totally stub areas.
• Tested routers and Line Cards using SmartBits and done Performance Analysis of both LAN/WAN infrastructure.
• Upgraded distribution switches from 6500 to Nexus 7010
• Interacted with business users from a service delivery and service support perspective.
• Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
• Configured policies and troubleshooting on Juniper SRX 3600 to allow customer traffic
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Planned, tested and evaluated various equipment, systems, IOS’s and procedures for use within the network / security infrastructure.
• Manage IP address assignment using Infoblox IPAM
• Used Infloblox DNSone grid manager to manage hosts and records.
• Implemented IP Telephony and Cisco VOIP 7960 phone systems In the company.
• Worked in Multi-vendor environment containing Juniper, Cisco and Nortel routers.
• Worked as a member of NOC and involved in troubleshooting LAN/WAN issues.
• Determined cost effective network modifications, applied network and traffic engineering principles and used database analysis systems to develop network architecture plans.
• Implemented BGP capabilities like ORF, Route refresh and Extended communities, for various customers.
• Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
• Troubleshoot MPLS issues within the core and edge.

Confidential

Network Engineer

Responsibilities:

• Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client.
• Validate existing infrastructure and recommend new network designs.
• Worked on F5 (LTM/GTM) (1600, 3600).
• Installed and maintained Cisco and F5 Load Balancer and documentation.
• Strong understanding of the different load balancing options and features to include Oneconnect, Persistence, SSL offload functions, HTTP profiles
• Strong understanding of Global Traffic Manager and Iquer functionality between LTM & GTM for a HA design.
• Implement network security for remote access. Tasks includes configuring site to site and clients to site VPN tunnels through multiple Cisco VPN concentrators and Checkpoint firewalls, and maintaining access policies for remote users
• Upgrade multiple Checkpoint firewall 3.0 to version 2000 and NG on distributed NT environment and Nokia Appliance. And manage network security policies which includes access control, NAT, content security and authentication
• Implement Cisco Secure Intrusion Detection Sensors, IDSM and CSPM to monitor network activities
• Solely responsible for maintenance of multiple CheckPoint-1 firewalls on NT environment
• Initial configuration, design and installation of CheckPoint-1 2000 firewalls for multiple locations
• Setup and maintained CheckPoint-1 security policies including NAT, VPN and SecuRemote access
• Manages network device configurations, logical names and addresses, network design and implementation.
• Improving OSPF convergence by controlling SPF algorithm, LSA/SPF throttling.
• Participate in all technical aspects of LAN, WAN, VPN and security internetworking projects including, short and long term planning, implementation, project management and operations support as required.
• Extensively used TCP/IP tool like TELNET for remote login to the routers and SSH for secure login.
• Estimated Project costs and created documentation for project funding approvals.
• Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
• Planned resources and presented project status to higher management.
• Deployed 7613 as PE and CE router and Configured and troubleshooted the Edge Routers.
• Has expertise in LAN/WAN technologies (fast Ethernet, Layer2 & 3 switched/routed LAN, and Frame Relay).
• Routing Protocols, Networking Layer1, 2, 3 Switching concepts, LAN/WAN technologies, Wireless Networking, TCP/IP concepts.
• Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer 1 switching architecture and also for security.
• Enabled GSR RPR+ mode, installed Engine 5 SIP cards, Upgraded Cisco GSR routers GRP-Bs to PRPs ( RPP+), PRP 1 to PRP 2 and IOS levels as well.
• Tested various BGP features like local-preference, MED, Weight and replicated customer issue problems in the testing environment lab.
• Performed various Line card memory upgrades, PRP memory upgrades and fabric upgrades on Cisco 12000 series routers.
• Handle customer escalations related to Internet connectivity issues, VPN issues (OSPF sync issues), etc; work with various technical teams to find a resolution in a timely fashion.
• Configured policy maps, class maps and access lists on GSRs
• Worked with JTAC and Cisco to troubleshoot various problems
• Designed secure VPN architecture, including MPLS VPN platforms for various customers which includes ISP’s.
• Modified router configurations programming with additional VLANs, port assignment.