SUMMARY

• A result driven professional with over 8 years of experience in the engineering, administration and support of information systems. In depth expertise in the analysis, implementation, optimization and troubleshooting of LAN/WAN systems. Strong technical knowledge with CCNA and CCNP certifications. Proven ability to lead and motivate project team to ensure success.
• Expertise in configuring VLANs, multi - layer switches and supporting STP, RSTP, PVST, RPVST along with troubleshooting inter-VLAN routing and VLAN trunking using ISL.
• Proficient in configuration & troubleshooting of different routing protocols and switching technologies such as OSPF, EIGRP, RIP, BGP, HSRP, VRRP.
• Proficient in configuration and troubleshooting of IP telephony network.
• Experience in designing, implementing & managing LAN/WAN for different sites.
• Experience in physical cabling, IP addressing & sub-netting with VLSM.
• Excellent working knowledge of TCP/IP protocols and OSI layers.
• Experience working with ticket management tool ServiceNow ITIL
• Involved in troubleshooting networkissues using SSH, Telnet, CLI, ping, traceroute
• Experience using NetFlow Analyzer tool to troubleshoot traffic congestion for the remote site.
• Experience using Infoblox to create IP subnets and DNS entries for static IP addresses.
• Experience working with Meraki security appliance and switch.
• Good understanding of Nexus switching architecture.
• Good understanding on MPLS, MPLS L3 VPN and L2 VPN, VRF, Route, Distinguisher(RD), Route Target(RT), Label Distribution Protocol (LDP) & MP-BGP
• Basic understanding of F5 BIG IP load balancer

TECHNICAL SKILLS

Network Hardware: Cisco Switches (Cisco Nexus 7000, Cisco 6500, Cisco 4500, Cisco 3600, Cisco 2900), Cisco Routers (Cisco 3800, Cisco 2800, Cisco 1700), Meraki security appliance(MX64W), Meraki switch (MS220)

IP Telephony Hardware: CCM 7835/25, Cisco 7960, Cisco 7940, Cisco 7911/12, Cisco 7914

Protocols: RIP, RIP2, PPP, OSPF, EIGRP, IS-IS, BGP, SNMP, HTTP, FTP, TFTP, HTTP, DHCP, SMTP, ICMP, MPLS

WAN Protocols and Technologies: HDLC, PPP, ATM, FRAME RELAY, Metro Ethernet, DMVPN

LAN Technologies: DHCP, VLAN & Trunk, VTP, STP, PVST+, RPVST+, Inter Routing VLAN, Auxiliary VLAN, HSRP, VRRP, Etherchannel, VPN, IP Subnetting, Access Lists, QoS

Servers & Systems: Cisco Call Manager Server 4.1, Unity Server 4.0, ACS server 3.3

Software Applications: Solarwinds WAN killer, EMC SMARTs, NetFlow Analyzer. ServiceNow ITIL, Infloblox

PROFESSIONAL EXPERIENCE

Cisco Engineer

Confidential, MD

Responsibilities:

• Configured and tested 15 IDF’s (Cisco 2960), 2 MDF’s (Cisco 4500), Stack switches (Cisco 3650), 2 WAN routers (Cisco 2951)
• Configured 3 Cisco 3650 switches in stack.
• Created different VLANs and respective SVIs (Data, Voice, WLAN, Telepresence, and Security) on MDFs as per the business requirements.
• Implemented GLBP for load balancing.
• Implemented QoS on routers, layer 2 and layer 3 switches
• Configured EBGP on routers to peer with Verizon and AT&T MPLS network.
• Security device installation
• Handled any security device installation ticket for various sites.
• Configured security VLAN and SVIs on the switches
• Assigned unused ports to the devices and configured the ports for security VLAN.
• Assigned static IP addresses to the devices and created DNS entries for the devices in the Infoblox
• Tested the devices once devices were installed.
• Troubleshooting any bandwidth related issues using NetFlow Analyzer
• Configuring and installing Meraki security appliance (MX64W) and Meraki switch (MS220) for various sites.
• Upgrading IOS on the devices as per the requirements.
• Handling and completing any assigned tickets in timely manner.
• Creating and updating Visio diagram of the site architecture.

Environment: Cisco routers (2951) and Cisco switches (Nexux 7009, 4500, 2960, 3650), Meraki (64W, MS220), Routing Protocols (EIGRP, BGP), Switching protocols (VTP, STP, GLBP)

Sr. Internet Svcs Engineer

Confidential, MD

Responsibilities:

• Responsible for implementing, integrating new networktechnologies and troubleshooting existing technologies and devices.
• Working in datacenter environment and configuring changes as per the requirement.
• Set up 3 new sites with data, voice and access edge in Local Area Networks (LAN) and implemented intra-site connectivity over Wide Area Network (WAN)
• Designed and configured the WAN infrastructure for each site consisting of Metro Ethernet connectivity of 45 Mbps, Cisco 3750 Series switches & Cisco 3800 Series router.
• Implemented HSRP connectivity between the switches for each site for redundancy
• Designed and implemented the rollout from existing routing protocol to EIGRP routing for all 4 sites.
• Configured VLANs and access ports. Implementing Layer 2 and 3 EtherChannels.
• Schedule and implement configuration changes to the network, following the change management process.
• Configuring, implementing and troubleshooting VTP, STP, VLAN Trunking
• Cisco multilayer switching optimization using switch priority, port priority, path cost, STPtimers, PortFast, BPDUguard, BPDUfilter, Loopguard and Rootguard.

Environment: Cisco routers (3800, 2800, 1700) and Cisco switches (6500, 3750, 2900), Routing Protocols (EIGRP, OSPF, BGP), Switching protocols (VTP, STP, HSRP)

Network Engineer

Confidential, MD

Responsibilities:

• Worked with Cisco Switches (2900/3500/4500) & Cisco Routers (3800/2800) along with CCM 7835/25, Cisco Call Manager Server 4.1 and Unity Server 4.0
• Created device pools, gateways, route patterns, partitions, CSS for the office location in Call Manager. Configured, deployed and maintained AP for the same.
• Performed Layer 2 troubleshooting on different switches for local incidents of VLANs, VLAN trunking and HSRP failures
• Performed networkupgrades including IOS upgrades and replacement of networkdevices to accommodate the additional requirements.
• Involved in troubleshooting and monitoring routing protocols.
• Enabled different functions like Port Fast, BPDU Guard & Root Guard on different switches as per the requirements.
• Involved in monitoring the network to ensure networkavailability to all system users and performing necessary maintenance to support network availability.
• Configured Standard and Extended Access List (ACL) to allow users all over the company to access different applications while blocking others.
• Generate RCA (Root Cause Analysis) for critical issues of Layer1/2/3 outages.
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
• Configured the Cisco router as IP Firewall and for NATing
• Ensured that all data and VoIP infrastructure met 100% SLA uptime and coordinated with vendors in case of any issues to get them fixed within the SLA time frame.

Environment: Cisco routers (3800, 2800) and Cisco switches (4500, 3500, 2900), CCM 7835, CCM Server 4.1, Unity Server 4.0

Confidential

Network Support Executive

Responsibilities:

• Performed administration, optimization and support for internal LAN/WAN infrastructure.
• Involved in configuring and troubleshooting Cisco IP Communicator, Cisco 7960, 7940, 7911/12, 7914 IP phones.
• Created logical partitioning (PSTN, CUG) for entire organization to ensure the TRAI compliance.
• Rolled out Extension Mobility Service in IP telephones for entire organization.
• Enabling voice mails for the users in Unity Server.
• Configured all device in the ACS server mapped with Active Directory to ensure the security of network devices.
• Configured Telnet Access List on all network devices to ensure the security of the devices.
• Created back-ups of switches and routers on a weekly basis.
• Follow up with L1 support for service delivery to end users.
• Generating and maintaining call reports and system reports on weekly and monthly basis for the organization.
• Prepared documentation for all configurations & installation procedures.

Environment: Cisco route, Cisco switches, Call Manager, ACS Server 3.0, EIGRP, OSPF, STP, VTP, VLAN trunk