SUMMARY

• 8 years of experience in Designing, Maintaining and Troubleshooting Service Provider and Enterprise Networks. Experience working in challenging and complex environments with diverse vendor products. Expert and enthusiastic with latest technologies in Networking.
• Expertise in working with Cisco, Juniper, Palo Alto, F5, A10, Arista, Dell devices.
• Hands on experience in LAN, WAN, Load balancing, Security, VOIP and Data Center Technologies.
• Expertise in installing, configuring, and maintaining Cisco Switches which include 2960, 3560X, 3750X, 3850, 4500 - X, 4948, 4510, 6509.
• Experience in Virtualization in 4500 series, 6500 series. Expertise in VSS, MEC, VPC, VDC.
• Thorough Knowledge and hands on experience working with Cisco Nexus 7K, 5K & 2K Switches.
• Expertise in installing, configuring, and troubleshooting of Cisco Routers (ASR1K, ASR9K, 7200vxr, 3900, 3800, 3600, 2900, 2800, 1800, 800 series).
• Experience configuring multiple models of Cisco ASA, 3750, 6500, 7600, 3800, ASR1k/9k and ISR platforms
• Expertise in Juniper MX5, MX10, MX40, MX80, E120, E320, J2320, J2350, T320, T640 series routers and SRX 240, 1500, 5800 firewalls.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTM, GTM, APM and ASM. Worked on software versions including 9.2, 11.4.1, 11.6.1 and 12.0.
• In depth knowledge and practical exposure to OSI layers 1 to 7.
• Experience in IOS, IOS-XE, IOS-XR, NX-OS, JUNOS.
• High level understanding, implementation and troubleshooting in OSPF, EIGRP, RIP, BGP.
• Expertise in Gateway redundancy protocols like HSRP, GLBP and VRRP. Experience in STP, RSTP, MST, VTP, ARP, 802.1q, SNMP, DNS, DHCP.
• Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 10/5540/5560 ) Series.
• Configuration, Troubleshooting and Maintenance of Palo Alto Firewalls - PA200, PA2000 series, PA3000 series, PA4000 series and PA5000 series. Implemented Zone Based Firewalling and Security Rules on the Palo Alto Firewall.
• Experience in F5 BIG IP, Cisco ACE and NetScaler’s Load balancers for load balancing and traffic management of business application.
• Extensive understanding of the Application Security Module (ASM), Application Policy Manager Technology.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Configured load balancers and APM for MS Exchange, Skype for business, Citrix, Air watch applications.
• Hands on deployment and management of Cisco IWAN (Intelligent WAN) WAN optimization and LiveAction network performance monitoring software.
• Worked on Customer applications like IWAN(Intelligent WAN), PnP (Plug and Play).
• Thorough understanding and Experience in F5 concepts which include Virtual servers, Pools, Health monitors, all protocol profiles, SSL Profiles, Persistence profiles, Load balancing methods, SNAT, Automap, Self IP’s, HA pair and floating IP, iRules.
• In depth knowledge in layer3, layer4 and layer 7 protocols. Troubleshooting load balancer issues using TCPDUMP Packet captures, curl, http and https header inspection in profiles, SSL Client and server profiles, cipher suites.
• Design and configuring of OSPF, BGP on Juniper Routers (MX960, MX480) and SRX Firewalls (SRX240, 5800).
• Good knowledge on TCP/IP Stack & protocols including TCP, UDP, VLAN, IPV6.
• Worked on Implementation and maintenance of IP Telephony Networks. Configured Avaya Gateways, QOS for Voice, Cisco Unified Communication Manager. Worked on a Project to migrate analog phone system to VOIP. Thorough knowledge in SIP, H.323 Protocols.
• Experience in working on MPLS networks, Implementation of QOS in MPLS, MPLS over Diffserv networks. Implemented MPLS/VPN to connect the Enterprise branches.
• Having knowledge on installing Nortel Networks testing trouble shooting network issues and deliver a finish product
• Experience in working with Windows power shell scripting to maintain and administrating server environments.
• Experience deploying and managing Firewalls Palo Alto Networks and troubleshooting VPN tunnels (IPsec and GRE)
• Regularly review the configuration and controls of Palo Alto Networks firewalls and Sourcefire Intrusion Detection System(IDS), further follow up to mitigate the risks.
• Experience with Layer 2 and Layer 3 protocols like, FRR CEF, MLS, Ether Channel VLAN, VTP, VMPS, ISL, dot1q, DTP, Spanning-tree, PVSTF.
• Extensive knowledge in all Wi-Fi Standards including 802.11a/b/n/ac/g, Configured Aruba 7200 and Cisco 5508 Wireless Controllers, Access points. In depth understanding of LMS IP, System Profiles, AP groups, AAA Profiles in Cisco and Aruba Controllers.
• Worked on Configuring Radius servers. Experience in Cisco ACS, Clearpass. Worked in enterprise networks which used MAC autantication using 802.1q, ACS and Clearpass servers.
• Professional experience with documentation, Visio diagrams, word, Excel and power point. Network Management and monitoring using cisco works, solarwinds.

TECHNICAL SKILLS

Networking Technologies: LAN/WAN Architecture/IP, Frame Relay, ISDN, ATM, MPLS, PPP, HDLC VPN, VLAN, VTP, NAT, PAT, STP, RSTP, PVST, MSTP,802.1Q

Networking Hardware: Cisco Switches, Cisco Routers, ASA/Pix firewalls, Iron port

Routing Protocols: IGRP, EIGRP, OSPF, BGPv4, MP-BGP

WAN Protocols: HDLC, PPP, MLPPP

Security Technologies: Cisco FWSM/PIX/ASDM, Nokia Checkpoint NG, Juniper SRX, Palo Alto

Network Monitoring: Cisco Works 2000, Wire Shark, WUG, PRTG, SevOne, Solarwinds

Operating Systems: Windows 7, Vista, XP, 2000, LINUX, Cisco IOS, IOS XR

Cisco Routers: Cisco GSR 12416, 12418, Cisco 7200vxr, Cisco 3640, Cisco 3600

Cisco Switches: Cisco 2960, Cisco 3560, Cisco 3750, Cisco 6500 series

Cisco Nexus Switches: Cisco 7010, Cisco 7018, Cisco 5020, Cisco 2148, Cisco 2248

Juniper EX Switches: EX8200, EX4500, EX4200, EX3200, EX2500, EX2200 Series

Juniper Routers: E, J, M and T- Series

Capacity & performance: IXIA, Spirent, Cisco works, IPerf, IXChariot

Switches: Catalyst 6500,MSFC,MSFC2,7600,3700,3500

Programming Languages: C, C++, Perl, VB Script, Power Shell, Python, SQL

Simulation Tools: Qualnet Developer, OPNET IT GURU, OPNET Modeler, Cadence

Firewalls: Juniper net screen(500/5200), Juniper SRX (650/3600), Pix(525/535), ASA (5505/5510/5540 ), McAfee Web Gateway, Palo Alto PAN-200s & 500s,Checkpoint

PROFESSIONAL EXPERIENCE

Confidential, Los Angeles, CA

Sr. Network Engineer

Responsibilities:

• Provided level-3 network administration including Installation, configuration and troubleshooting of network devices (Routers, Switches, and Firewalls).
• Configuration of VPC, VDC on Nexus 2k/3k/5k/7k.
• Worked on replacing the existing Cisco 6500 switches with Cisco Nexus 5K in the data center environment.
• Maintenance and management of Nexus 7010 core switches and installation of new Nexus 5548UP and 2248 as Fabric extender for server access.
• Configuring and overseeing around 500+ Network gadgets that in corporate Juniper SRX Firewalls, F5 BigIP Load balancers and Nexus Devices.
• Configured 7010’s with multiple VDC’s running EIGRP for route propagation between them. Installed dual router/dual MPLS.
• Experience working with MPLS Layer 3 VPN on ASR 1006 with IOS-XR.
• Maintenance and upgrades on Cisco 6500, 4500, 3750 and 3850 series switches to provide redundant network.
• DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9k redundant pair.
• Installation and upgrading of network infrastructure that reached End of Life.
• Site to Site VPN, DMVPN configurations in coordination with ISP AT&T and Sprint.
• Implementation of IOS & Bandwidth upgrades.
• Managed and completed over 100 projects installing/upgrading client's wireless infrastructure to Aruba.
• Installed and provisioned close to 2000 AP's and RAP's.
• Performed Aruba server upgrades to accommodate the newer versions of AOS code.
• Utilizing Aruba's built in analytical, management and security features to troubleshoot wireless issues.
• Configured Aruba access points, troubleshoot connectivity issues with Aruba access points.
• Designing and implementing new server silos in DMZ for Web servers, Mail servers & FTP Servers and configuration of security policies using Cisco ASA 5500 Firewalls.
• Migration of sites from frame relay to EIGRP routing.
• Designed and implemented Cisco IWAN - Configured DMVPN tunnels - Multipoint GRE (mGRE).
• Envision and drove Cisco SD-WAN (IWAN) and VPN for Enterprise and MSP networks.
• Implemented Cisco ISE Easy connect to autanticate specific group of users.
• Expertise implementing Wireless Controllers, AP's, Routers, Switches for 802.11 and Wireless Mobility projects.
• Perform Troubleshooting at the Wireless controllers for AP's associations and Wireless client Association.
• Implementation of F5-BigIP LTM, GTM and APM modules for internal and external applications in hosting hundreds of major applications which also include critical payment and customer account based applications.
• Implemented F5 LTM redundant pair in DMZ and internal network. Experience in BigIP 5000 series, Virtual editions, Viprion series. Worked on software and Hotfix upgrades.
• Designed critical application load balancing which includes standard, forwarding, layer 4 performance virtual servers. Used iApps for regular applications like Microsoft Exchange etc.
• Worked on layer 4 and layer 7 load balancing in F5. Level 3 troubleshooting in Virtual servers, Pools, Health monitors, iRules, SNAT, self IP’s, profiles. Worked on SSL Certificate upgradations.
• Worked on http, https, TCP, UDP, fastl4, FTP applications.
• Installed and managed 40 virtual RHEL5.x/6.x/7 servers on Virtualization tools like VMWare ESXi, vSphere and cloud technologies like AWS EC2.
• Administrated 50 user accounts, performed user maintenance on Linux environment using LDAP.
• Implemented F5 GTM in two remote data centers. Achieved Data center redundancy using DNS load balancing for major applications. Worked on Zones, listener IP’s, Wide IP’s, DNSsec.
• Implementation of OSPF with BGP during migrations and new connectivity.
• CSU/DSU loop testing in examining WAN link issues by implementing hardware and software loops.
• Troubleshooting the layer 2 related issues like Vlan configuration, trunk/access port configuration on interfaces and physical issues Modules Crash/reset, Error disables issues, cable issues.
• Knowledge on configuration of iApps (BIG-IP) application service in implementing F5 load balancer.
• Performing Incident Management responsibilities which includes troubleshooting and restoration of services by joining in SRT and working with vendors and documenting troubleshoot steps and RFO.
• Working and opening trouble tickets (TAC) and Smartnet with Cisco for new product orders, device diagnostics and hardware/insurance.
• Cisco proactive device diagnostics with Smartnet service.
• Working with ISP's like AT&T, Sprint, Ignisis for new circuit installations and provisioning and outages.
• Network security involves web filtering on internet sites (User's restriction) using Palo Alto and checkpoint Firewalls.
• Install, configured and maintain IPSEC/VPN tunnels on Cisco ASA and Juniper SSG firewalls.
• Configured the firewallsto autanticate users based on user identity, user group, session and client PC Autantication.
• Diagnosing layer-2 and layer-3 loop back tests in coordination with SP's and filed technician.
• Implementing routing, ACL’s with ISP using OSPF and BGP.
• Performing migrations and implemented many projects which gave Best Technical expert certificate.
• Using F5 load balancer for traffic filtering and network optimization.
• Documenting F5 logs and sending to weekly report to management.
• Configuration of CISCO routers and switches shipping them to respective locations.
• Configuration of MAC address, VLAN’s on switches and registers as per client’s request.
• Configuring Cisco WLC for the sake of customer mobility.
• Checking the WAN performance and utilization in SOLAR WINDS and packet path using wire shark.
• Participating in network migrations with change management teams.
• Monitoring of all clients N/w Infrastructure using tool SMARTS.
• Participating in daily service review (DSR) and Root cause analysis(RCA) calls to resolve the n/w outages.
• Advising clients to improve their network performance.
• Designing and maintenance of client’s network architecture using VISIO and in asset center data management.
• Documentation of all the work done in MS Excel and word.
• Train new joiners and to attend training’s as per company and client’s requirements.
• Provisioning Core, CRAN, IBone, and CBone network equipment and circuits (kompella & martini).
• Designed, developed and executed Test cases for (ENS, EDIA, Eohfc, EPL, EVPL, BSOD and Hairpin) Link OAM, Link Aggregation in CCS tools includes Cisco, Juniper, arista and HP devices and converted XML to PNP version.
• Worked on monitoring, reporting and analyze performance of L2/L3,firewalls and load balancers.
• Creating and validating SMOPs for service deployment and validation.
• Managing and collaborating with vendors on bug reviews, testing projects, code evaluation, roadmap reviews and technology.
• Handling escalations when necessary.
• Creating network design templates and implementation.
• Configuring network routing, switching, security.
• Being responsible for core and data center architecture design.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960/6500 switches and Cisco 3640/ 00 /3845/3600/2800 routers, Cisco Nexus 7K/5K/2K, Cisco ASA5510, Checkpoint, windows server 2003/2008: F5 BIGIP, LTM, OSPF, EIGRP, RIP, BGP, VLAN, VPN, Checkpoint, Juniper SRX

Confidential, Mt Laurel NJ

Sr. Network Engineer

Responsibilities:

• Responsible for Crossroads rollout of LAN/WAN, problem determination and diagnosis, provide project leadership (onsite, offsite).
• Working with local IT personnel on troubleshooting, problem determination, diagnosis of performance issues, bandwidth issues, throughput traffic prioritization to improve overall application response time cross WAN.
• Responsible for executing planned network infrastructure installations and configurations associated with the relocation of the NC FAST Camden and Bath Buildings networks into a new building.
• Participating in the design and planning aspects of the network infrastructure that installed in the new building.
• Configuration and installation of LAN switches and wireless network infrastructure equipment and cabling all uplink and user network connections.
• Configuring & managing around 500+ Network &Security Devices that includes Juniper SRX Firewalls, F5 BigIP Load balancers and Nexus Devices.
• Participating in testing of the internal network infrastructure in the new building, and troubleshooting and remediating any issues.
• Worked with network services like DNS, DHCP, DDNS, IP4, IP6, IPSec, VPN etc.
• Worked with F5, CISCO ACE 4710 Load balancers, GSS and Wireless networks.
• Deployed Cisco Catalyst and 6500, 4500, 4000, 3750, 3850, 3560 switches.
• Installed and monitored extreme networks S-series, 7100 stackable switches and E4G-400, 1800 router to support VMware machines.
• Deployed and configured Cisco ASR 1000, 7000, 9000 series routers.
• Also, worked with Extreme networks wireless devices like Access points AP3705, AP3610.
• Experienced working with Nexus OS, IOS, CATOS and Nexus 7K, 5K & 2K Switches.
• Has experience and worked with configuring session persistence and web services.
• Deployed Juniper switches EX4500 and EX4200, routers M7i and M10i and Junos OS.
• Deploy, configure and troubleshooting of Active/Active and Active/Standby using the High Availability in Juniper SRX firewalls.
• Deployed Cisco 2500 and 5800 Series Wireless Controllers and Access Points.
• Involved in Switching Technology Administration including creating and managing VLANS's, Port security, Trunking, STP, Inter vlan routing, LAN security etc.
• Working with Cisco ASA 5525 firewalls with current and demonstrated expertise with ACL security in a multi-VLAN environment.
• Worked with Firewall DMZ zones and configuring them.
• Worked with storage team in installing IBM Store wise V5000.
• Experience in working with load balancer for converting CSS to F5.
• Experience in working with LTM and GTM for scaling and securing DNS infrastructure during high volumes.
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s stage.
• Installed and configured Virtual servers to convert Windows 2003 servers to Windows 2008 before the July 14 deadline.
• Managed DHCP server, includes recent migration of DHCP scope from Windows 2003 to Windows 2008 R2 64.
• Installed MS exchange 2010 and SQL 05/08 installation, user management, security, updates.Worked and performed troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, and BGP ability to interpret and resolve complex route table problems.
• Experience with Security- Firewalls, NAT / PAT, IPSEC, S2S.
• Experience with ALG (RTP, RTSP and FTP, DNS, HTTP), DHCP.
• Involved in Testing and development of test cases for IWAN.
• Led test validation efforts for IWAN and created test scripts to test Linux based handset totest native Linux command for handset.
• Worked with ITIL (Information and technology information library) for managing our services.
• Working with ITS networking teams to install an Avaya VoIP phone system and test phone system connectivity and functionality.
• Worked on perl for creating the automated sessions with Telnet and FTP.
• Knowledge of with API’s for troubleshooting Network issues using Wireshark and NTOP.
• Configured static NAT, dynamic NAT, dynamic NAT overloading.
• Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server.
• Configured and perform trouble shooting on Dell Power Connect Switch 5548 used to connect VM Servers and Flex Systems.
• In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Worked on a broad range of topics such as proactive monitoring and maintenance, disaster recovery exercises, and core network repairs.
• Worked independently, meet deadlines provided detailed written status reports, documentation, work on multiple simultaneous projects and track status and progress on each.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960/6500 switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco Nexus 7K/5K/2K, Cisco ASA5510, Checkpoint, IBM Qradar, F5 BIGIP, LTM, OSPF, EIGRP, RIP, BGP, VLAN, VPN, Checkpoint, Juniper SRX

Confidential, Atlanta GA

Sr. Network Engineer

Responsibilities:

• Implementing, configuring, and troubleshooting various routing protocols like EIGRP, OSPF, and BGP.
• Escalation for Global NOC and local Network support teams for across the globe in AMR shift.
• Transitioning the new changes in connectivity of the project to validate under NOC support Model.
• Coordinated with centralized halpdesk for any issues reported and working towards resolution for the incidents.
• Under Infrastructure resiliency flavor in the team, involved in bridging configuration gaps as per the Accenture Standards, so that Hardware Level Resiliency has been achieved.
• Transitioning the new changes in connectivity of the project to validate under NOC support Model.
• Involved in Capacity Management to check Bandwidth availability and coordinating with teams to upgrade circuits when required.
• Involved in Problem Management to provide RCA analysis on Priority 1 calls.
• Involved in Incident Management, as entire support is based on ticketing system.
• Involved in design and implementing of new facilities and new projects.
• Configured switch-ports security, VLANs on Cisco Catalyst 6509 and 3750 switches.
• Managed Cisco PIX firewall for ACL and VPN.
• Created and maintained topological changes for Test Labs, Data Center and Switch port assignment in Visio.
• Backup, restoring and upgrading the Router and switch IOS.
• Document all changes, upgrades, maintenance, procedures.
• Facilitate the end-to-end connectivity implementation and UAT.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/ switches and Cisco 3640/12000/7200/ 3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, Checkpoint, windows server 2003/2008, RIP, OSPF,BGP,EIGRP,LAN,WAN,VPN,HSRP

Confidential

Network Engineer

Responsibilities:

• Configured and supported TCP/IP networks.
• Monitored the network with Cisco Works 2000.
• Documented the design, implementation and troubleshooting procedures.
• Configured and troubleshoot VLAN, VTP, STP and Trunks.
• Responsible for procurement and installation of H/W, network drives and other IT infrastructure.
• Network Administrator responsible for the full Planning, designing, installation and administration of the Corporate WAN (wide area network).
• Worked on the datacenter environment, with routers and switches.
• Configuration, Management, Troubleshooting of Network devices (Routers, Switches, Firewalls, Servers, DSL Modems etc.). Maintained the Telecommunication Connectivity using DSL and T1 Lines.
• Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols.
• Managed IP addressing and implemented IP Access Lists.
• Evaluate and recommend inter-connectivity hardware, software, and services to fulfill various businesses needs as requirements develop.
• Worked on Routers Cisco 2620, 3750 and 2950 Switches & Link sys wireless access points.

Environment: TCP/IP networks, Cisco Works 2000, VLAN, VTP, STP, Trunks H/W, network drives, DSL, T1 Lines LAN, WAN, VLANs, IP Access List, Cisco 2620, 3750, 2950.