SUMMARY

• 7+ years of IP networking systems architecture, planning and engineering, IP network operations, Multi - vendor IP network design for small, medium and large data-centers, customers and network operation centers.
• IP network design and administration with multi-vendor platforms with TCP/IP, LAN switching, Spanning-Tree and various IP routing protocols RIP, BGP, EIGRP and OSPF.
• IP route redistribution; static routing configuration for network connectivity.
• Spanning-Tree Protocol and VTP tuning, design and upgrades for large and small customers.
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP and Ping Concepts.
• Implemented data center core redundancy contingency countermeasures with HSRP and VRRP.
• Strong hands on experience in installing, troubleshooting, configuring of Cisco 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers; Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches; Juniper MX960, MX480 routers & Juniper SRX5800 firewall; F5 LTM Load balancer & AFM Security firewall.
• Familiar with VOIP protocols like SIP, SCCP, RTP and compression standards.
• Exposure to LAN/WAN setup, installation, configuration and troubleshooting
• Cisco Catalyst Switches 2950, 3550, 3750, 3750X, 4500, 6500, 6500E | CiscoNexus7K
• Cisco Switches 2960, 3750, 2901, 2960 w/ POENexus5000 Administration.
• Great team player and able to work under pressure.
• Experienced and comfortable in working more than 40 hours per week whenever required.
• Demonstrated success record in: Managing multiple tasks with proven ability to meet deadlines and proactively identifying the problem to solve complex technical issues.
• Highly enthusiastic, creative team player, project implementation, analytical, interpersonal and communication skills.

TECHNICAL SKILLS

Operating Systems: Windows server 2003, Windows server 2008, Windows XP, Windows 2000 Linux, UNIX and VMware ESXi 5.5.

LAN Technologies: VLAN, VTP, STP, RSTP, PVST, 802.1 xs.

WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS.

TCP/ IP: Sub-netting, VLSM.

Routing Protocols: Static, RIP, IGRP, EIGRP, OSPF and BGP.

Network Security: NAT/PAT, VPN, Filtering, Load Balancing, IPsec, ACL, port security, Firewalls.

Infrastructure Services: DHCP, DNS, SMTP, POP3, FTP, TFTP.

Administration and troubleshooting: CDP, TELNET, SSH, ICMP, PING and TRACEROUTE, SNMP and SYSLOG, CISCO IOS, Juniper Junos

Network Analysis Tools: JDSU, NetScout, IRIS, IXIA and Wire shark.

PROFESSIONAL EXPERIENCE

Confidential, Redmond, WA

Network integration/support Engineer

Responsibilities:

• Hands-on experience of testing E2E Services in UMTS, LTE and VoLTE
• Throughout knowledge and experience in working with E2E traffic flows including GI, GN, SGi; HTTP/HTTPs IPv4/IPv6 Browsing & SIP-5060.
• Experience working in network virtualization platforms as Guest OS implemented with .OVA on HP c7000 chassis
• Implement & maintain BIG-IP F5 virtualized LTM load balancer and AFM NAT/PAT.
• Demonstrated outstanding talents in configuring, maintaining and troubleshooting Cisco 7k switches and participated in configuring ASR 5500 series running IOS XR.
• Performed software & configuration upgrades on various platforms during in-service and out-of-service maintenance time.
• Extensive experience in configuring and implementing Layer-2 & 3 Protocols including VLAN; Bridge-domains; VRF; VRRP; MPLS; BGP & OSPF.
• Supported core network consisting of Cisco 7k series routers running multi area OSPF
• Manage local DMZ with a juniper SRX5800 firewall appliance responding to all intrusion alerts
• Expertise on User Profile repository (LDAP) and interface (LDAP QUERY)
• Configuring STP for switching loop prevention and VLANs for data and voice.
• Implemented OSPF stub/Totally stub areas including features like route-summarization and SPF throttling.
• Providing daily network support for multiple service Zones including Integration and Enterprise Zones consisting of MPLS, VPN and point-to point site.
• Implemented VPN tunnels using IPsec encryption standards including site-to-site VPN, Remote VPN & AVPN ( Confidential & Confidential VPN).
• Resolved customer (Level 2 escalation) issues for Switches by setup and reproduce production environment issues in lab and work with cross functional to provide the fix ASAP.
• Performed configuration of SNMP, RADIUS, and TACACS along with other standard global configurations on existing client production routers and switches.
• Created BASH scripts to automate the day to day test cases for Juniper MX960 Node health.
• Implemented the CACTI interface with various test cases to analyze traffic and node-level health on various nodes.
• Expertise in provisioning profile by using SOAP.XML
• Monitored network for optimum distribution and load.
• Packet analysis by using various tools such as JDSU, NetScout and wire shark to troubleshoot the traffic drops
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Network Cabling, labeling and troubleshooting various networks drops onsite.

Confidential, San Antonio, TX

Sr. Network/Systems Administrator

Responsibilities:

• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Maintain and troubleshoot switch applications and Network connectivity including DNS, DHCP, LAN and TCP/IP issues.
• Configured RIP, EIGRP, OSPF and BGP in routers.
• Configured MPLS L3 and L2 VPNs for customers.
• Rack and Stack, Installed and configured new routers and switches.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Upgrade 12K GSR’S running IOS to IOS-XR
• Upgrade IOS, Flash memory and DRAM on core routers and field routers.
• Build network documentation which includes accurate site inventory, site network diagrams, logical LAN/WAN diagram, network device list (routers/switches), server information sheets, network administration information document.
• Worked on Router series such as 2800, 2600, 2900, 3600, 3700, 3900, switches such as Cisco 3725, 3560, 3550, 2960, 2950, 4500 & 6500 and Firewalls like Cisco PIX 515, 525 and ASA 5510 in failover mode.
• Worked with TACACS+ and RADIUS servers for managing user authentication.
• Monitored T1/T3 frame-Relay, PPP, ISDN and leased lines.
• Implementing NAT solution's on WAN applications.
• Configuration of VLAN, Port assignment. End server Network related problems.
• Coordinating with Vendor regarding Link status and reporting on timely bases to Superiors.
• Performed IOS upgrades on Catalyst 2900, 3500, 4500 series switches and 2500, 2600, 3600 series routers.
• Maintaining Network Documents, updating on a timely basis.
• Creating Network uptime report and sending to the management as per weekly schedule.

Confidential, Phoenix, AZ

Sr. Network Engineer

Responsibilities:

• Assisted in troubleshooting LAN connectivity and hardware issues in the network.
• 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.
• Monitor performance of network and servers to identify potential problems and bottlenecks.
• Performed RIP & OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems on day to day basis; provide solutions to fix the problems.
• Monitor the operability and reliability of the network.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Managed IP address space using subnets and variable length subnet masks (VLSM).
• Worked along with the team in ticketing issues; responsibilities included documentation and support other teams.

Confidential, Jersey city, NJ

Sr. Network Support

Responsibilities:

• Managing and trouble shooting of Cisco Nexus 7k,5k,2k6500, 4500, 4000, 4300, 3900, 5500 series. Including installation, upgrades, and configuration and management.
• Upgraded distribution Switches 6509 to Nexus 7010 with Sup 1
• Purchasing, installation, configuration, maintenance and upgrade of network hardware, operating systems and supporting software.
• Providing design, technical support and analysis for network systems and components, LAN/WAN communications. Effectively communicates with all stakeholders.
• Conducts analysis and prepares reports.
• Troubleshoot with MPLS VPNS
• Involved in Network Performance Analysis and Capacity Management.
• Worked on Catalyst 6509 series with various line cards such as 24 port Gig E SFP, 48 port Gig E copper cards.
• Product testing and support for a wide range of products like routers, Layer2/layer3 switches, 802.11 wireless access points (Aruba - 105, 125) etc.
• Configuring and Troubleshooting with Cisco PIX/ASA.
• Configured Policies In Juniper Net screen 500/SRX 650 to allow customer traffic
• Worked on IP routing such as BGP and OSPF.
• Established interactive communication with the end users to understand their day to day problems and subsequently provide satisfactory solution in time.
• Analysis of traffic behaviors during reboot or restart of core infrastructure components.
• Responsible for the design and project management of network infrastructure.
• Creates and maintains network documentation.

Confidential

Network Engineer

Responsibilities:

• Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
• Worked on HSRP for hop redundancy and load balancing.
• Configured the Cisco router as IP Firewall and for NATing Configured RSTP, MST and used VTP with 802.1q trunk encapsulation.
• Provided port binding, port security and router redundancy through HSRP.
• 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.
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external.