SUMMARY:

• Networkprofessional with 4+ years of experience having excellent communication, analytical and logical skills. me has extensive experience in network design, performance, planning, installing, configuring, troubleshooting and securing corporate intranets and managing multiple customer network sites. me'm proficient in rapidly identifying emerging technologies and efficiently adopting it in a timely manner.

TECHNICAL SKILLS:

LAN/WAN: IP Routing, Frame Relay, TCP/IP, RIP, OSPF, EIGRP, SAN, DHCP, Multi - Layer Switching

Routing: IGRP/EIGRP, RIP, OSPF, IP, MPLS, NAT/PAT, HSRP/VRRP, BGP, VLAN trunking protocol (VTP), Multicast, SONET, STP, ISL, 802.1q, HTTP, FTP, SSH, SMTP, VPN, ttcp

Switching: IPv4, IPv6, PPP, Tunneling, LANPBX Systems, SIP, Cat 5e/6 Ethernet Cables, Gigabit Ethernet, syslog

Security: IPSec VPN, Firewall IOS, Cisco PIX, Cisco ASA 5505, Cisco 6500 switches, 7200 routers

Voice: SIP, ISDN, SS7 Signaling Network, RTP, RTCP, H.323 protocol, H.225.0 call signaling, G.729, G.711, MGCP (Media gateway control protocol), MEGACO, XLite

Cisco Equipment: Cisco routers (25XX, 26XX, 28XX, 36XX, 72XX) series & Cisco Catalyst switches (19XX, 29XX, 3550, 3750, 65XX) series.

WORK EXPERIENCE:

Confidential, Chicago, IL

Network Engineer

Responsibilities:

• Responsible for monitoring network performance in order to maintain excellent network stability.
• Assist with Troubleshooting network connectivity and performance issues as required.
• Integration of network devices with monitoring tools like wat’s up Gold, Solarwinds (NCM) for monitoring the connectivity.
• Managing Level 2 and Level 3 production and participating on call to troubleshoot networks at remote sites.
• Implement and setting up circuits/remote site connectivity in conjunction with 3rd party providers (AT&T/ Verizon/ Level-3, etc.), including network redundancy and capacity planning, monitoring, and recommendations.
• Configuring, maintaining IPSec static/dynamic tunnels, Frame relay technology for 4G/DSL/DS-1 between remote and local sites.
• Managing organizations network consisting of more than 100 nodes consisting of layer 2, layer 3 devices and firewalls.
• Map application requirements to VLAN resources for internal server connectivity.
• VPN and Frame Relay configuration and troubleshooting including LDAP and firewall functions.
• Configure, troubleshoot and manage OSPF, EIGRP and BGP routing protocols on Cisco and Nortel routers.
• Implemented redundant Load balancing technique with internet applications for switches and routers
• Configure Object Grouping, Protocol Handling, and NAT, setup of HSRP, ACL, and tunnel installations using Cisco ASA firewalls on ASA Firewalls.
• Configure and upgrading Cisco IOS Feature Set, backing up IOS files using TFTP Server, NAT and Simple Network Management Protocol (SNMP) for Network Security implementation.
• Responsible for service request tickets using BMC remedy generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and all around technical support.
• Resolving issues related to data communication systems including hardware, software and applications including Switches, Routers, and Firewalls.
• Configuring and Troubleshooting Virtual Private Networks (VPN), Access Control Lists (ACL), Cisco ASA 5540, Cisco IPS 4235, Cisco 2811, Cisco 1941 and Cisco 3845 Routers, Cisco Switches 2960, 3550 & Cisco 3560 switches in real time environment.
• Troubleshoot DNS, DHCP servers and other IP conflict problems.
• Configuring Wireless access point, Wireless Routers and WLAN Controllers and wireless standards 802.11a/b/g/n.
• Solving port-security violation by detecting and removing the port lock outs on 6500, 3560 and 3550 switches.
• Providing Root Cause Analysis by determining the cause of a problem and providing a documented resolution.

Confidential, Chicago, IL

Security Analyst Consultant

Responsibilities:

• Monitored, maintained and implemented the network topology design and troubleshoot to maximize the network availability and minimizing latency.
• Responsible for maintenance and utilization of VLANS, Spanning-tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches.
• Implemented Access-Lists on Firewall to permit and deny only necessary traffic.
• Implemented Route Redistribution for traffic flow between different routing protocol platforms.
• Created VLANs for separating different corporate internal database, efficient network management and VTP for inter-VLAN routing.
• Used load balancers with multiple components for efficient performance and to increase reliability through redundancy.
• Assisted with Troubleshooting network connectivity and performance issues as required.
• Configuring and demonstrating switching concepts such as Trunking, ether channels, inter-vlan routing, spanning tree, port security, redundancy protocols such as HSRP/VRRP and GLBP.
• Implemented SNMP on Cisco routers to allow for network management.
• Worked on BMC ticketing system, trouble-shooting both connectivity issues and hardware problems on Cisco-based networks.
• Performed external testing with outside vendors and examine traffic flow and performing an audit of underutilized Cisco Devices and saving organization’s money.
• Assisted with TEM inventory database migration and update current inventory database.
• Performed project management skills by discussing with outside vendors cross team communication and basic databases.

Confidential, Naperville, IL

Network Engineer Intern

Responsibilities:

• Responsible for maintaining the Naperville technical support team lab and systems.
• Assisted in installing 7100 Nano Optical Transport System with proper infrastructure and cabling as standardized by IEEE.
• Installed 7305 Metro Ethernet Switch to be tested by technical support engineer in the lab environment.
• Assisted Technical Support Engineer in generating traffic over Intranet to replicate and test the customer network on 8607 and 8611 access switches.
• Worked with Technical Support Engineers to understand customer reported problems and steps required to reproduce issues.
• Proficiently handled IXIA and Spirant network traffic generators.
• Build systems with proper planning of software and hardware installations to replicate customer networks and utilize appropriate test fixtures and equipment to generate traffic in an effort to duplicate and provide root cause.
• Reviewed topology of secure VPN network and establish new LAN to LAN tunnels for quick access to customer networks for troubleshooting.
• Monitored, maintained and upgrade network equipments with appropriate Infrastructure to improve the performance in lab environment.

Confidential, Chicago, IL

Network Lab Assistant

Responsibilities:

• Helped undergraduate and graduate students solve problems in Network Technology, LAN/WAN concepts, IP addressing scheme, routing protocols, WLAN concepts, firewall rules and policy.
• Maintained and troubleshoot lab test systems (routers, switches, wireless AP, servers, storage, and virtualization) as well as connectivity problems using Ping and Trace route.
• Assisted students on generation and maintenance of all data communication software and equipment such as Putty, Wireshark and OPNET.
• Performed IP addressing and subnetting, route Summarization and redistribution, NAT/PAT and DHCP; designed and implemented static and dynamic routing protocols, including OSPF, EIGRP, IGRP, and BGP.
• Assisted students in the configuration of Cisco Routers and Switches in DePaul’s lab environment:
• Planned and implementation of subnetting, VLSM to conserve IP addresses.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Converted networks with multiple routing protocols RIP, EIGRP into a single OSPF domain for scalability to the lab’s network environment.
• Implemented redistribution of protocols from OSPF to BGP and redistribution of OSPF to EIGRP on IPv6 backbone.
• Implemented and redistributed protocols on MPLS backbone with VRF technology on Peer routers.

Confidential, Chicago, IL

Intern: Associate Network Engineer

Responsibilities:

• Developed Perl scripts for parsing of data from router interfaces in order to identify and troubleshoot errors and discards generated.
• Parsed data variation to the CGI environment and provided analytics of the data graphically.
• Developed applications and tools for router configuration management, monitored system, interface statistics and other SLA metrics.
• Monitored network devices and servers utilizing Solarwinds, Nimsoft and Metroe. Performed inventory remotely using telnet session for all network devices (routers, switches, and firewall and terminal servers).
• Helped upgrade process for Solarwinds, Metroe, and other applications through identification of discrepancies with proper documentation.
• Reviewed golden configuration compliance of 200 router elements.
• Contributed to the overall design and performance of the networks including switches, firewalls, cabling, network interface cards, routers and wireless controllers.

Confidential

Network Security Engineer

Responsibilities:

• Setup, configured and supported Windows servers and applications on a TCP/IP Network.
• Administered systems, networks, applications/security and document changes.
• Configured and troubleshoot unicast and multicast routing protocols (OSPF, BGP and MPLS) networks.
• Designed and administered multiple VLAN IP networks, PIX firewall, VPN, IOS code upgrade.
• Configured and resolved tickets for Cisco 2900, 3560, 2600, 2800, 6500 and 7200 series switches and routers.
• Created topology diagrams and associated documentation for network applications and site networks.
• Resolved issues related to data communication systems including hardware, software and applications; including Switches, Routers, and Firewalls, IP, IPX, Frame Relay, VPN, IP.
• Worked on WAN Optimization for lab design and setup using Cisco products and Spirent Delay generator.
• Managed networking of Cisco Routers in a web-hosting and client hosting environment.
• Implemented SNMP object techniques to trap alarms generated on the agents (Routers, Switches).
• Maintained network security through proper configuration of firewall, proxies and VPN devices.
• Evaluated network, servers and storage architecture plans.

Confidential

Network Technician: Hardware/Network

Responsibilities:

• Solved any problems related to LAN, Intranet and Internet and issues related to software corruption and ensured minimum data loss.
• Performed installation, configuration and troubleshooting of computers, printers, servers, software and peripheral equipment.
• Performed routine system maintenance tasks, operating system upgrades and tests of UNIX and Windows servers.
• Provided hardware and software troubleshooting for PC and Apple computers. Supported installation and upgrades on Windows based software. Modified and replaced server hardware and components.
• Performed maintenance of server network ID's and security.
• Maintained network security through proper configuration of firewall, proxies and VPN devices.
• Created the virtual environment through OPNET IT Guru software to analyze and predicting the performance of the Network Infrastructure design including routers, servers, application and networking technologies.
• Measured and calculated performance attributes such as Delay (Response time), Throughput, Utilization and Reliability.
• Different Model hierarchies were created to perform the test with specific parameter details according to the requirements.
• Performed capacity planning to predict which resources will be needed to maintain performance levels on an existing or planned system.
• Configured OPNET Project with set of related scenarios where objects and parameters are changed in each scenario to test changes to the system.
• Designed the web page on Fedora server using HTML and JAVASCRIPT representing FCAPS management using Perl scripts.
• Fault Management: Identification of link up and or down of the routers and switches.
• Configuration Management: Device configuration information - a web interface for all information of switches and routers (ARP table, MAC Address table, IP Routing table, device interface table, and the STP table), System information and option to enable and disable device interfaces.
• Account Management: Perl program to analyze the Linux syslog files and to generate an account usage report, showing the total and average usage time of each account.
• Performance Management: Using shell script to ping (flooding) the target machines with different packets size and note the average RTT and standard deviation for each run and to print error message to the unreached targets. Develop a Perl script to analyze the System Load or system utilization and ran MRTG to develop a web site to track the incoming and outgoing traffic of lab Ethernet switches graphically.
• Security Management: Wrote Perl program to analyze the Linux syslog files to generate an intrusion report showing the number of intrusion attempts from each IP source and the origination country.