SUMMARY
· Network professional with Masters in Computer Engineering and 5+ years of total experience, including about 2 years of project management.
· Currently working as a Sr. Network Engineer at AT&T, direct interface with clients, agents, managers and associated support organizations (LEC) on network implementation of T1/T3/OC-X circuits including various networking technologies like MPLS, COS (QOS) Access Redundancy & Fail-over Options (MARO), BGP, MLPPP.
· Experience on network management and implementation with Cisco/Seimens/3COM routers/switches, PIX, Checkpoint and Sonicwall firewalls.
· Experience as system admin- Linux based server systems: Sendmail, DNS, DHCP, VPN, Linux Clusters. SAN/NAS, Windows 2000/2003 Enterprise servers, MS Exchange 2000/2003 server using Active Directory.
· Experience in 24x7 production support environment & field installations and troubleshooting for a broad range of LAN/WAN communication systems.
· Network R&D experience with concentration on traffic control and queuing using traffic generators and performance analyzers.
· Good Project Management & Interpersonal skills to work with a technical as well as non-technical team under deadline pressure in fast-paced and multi-tasking environment.
EDUCATION
DREXEL UNIVERSITY, PHILADELPHIA PA
Master of Science, Computer Engineering (Electrical Engineering)
MMM ENGINEERING COLLEGE, INDIA
Bachelor of Engineering, Electronics & Communications
CERTIFICATION: Cisco Certified Network Associate (CCNA)
PROFESSIONAL EXPERIENCE
Sr. Network Engineer Dec 2005 – Current
AT&T, NJ 08854
Reporting to Area Manager (Network Operations)
Job Profile
Manage the implementation of enterprise class network solutions for our clients right from data collection to design, implementation and testing. Single point of contact for the clients, vendors, system engineers, LEC (Local Exchange Carrier), managers and related staff. Monitor progress report for every project and act accordingly, handle escalations to meet the deadlines and set customer expectations.
Key contributions:
· Gather requirements from clients, data collection and advise them with appropriate network solutions.
· Plan, design, implement and support broad range of AT&T enterprise service offerings including AT&T MPLS Private Network Transport (PNT), Multiple Access Redundancy Options (MARO) and High Availability solutions, AT&T VPN Tunneling Services (AVTS), Class Of Service (CoS), Managed Firewall solutions using Cisco PIX and/or CheckPoint/Nokia firewalls, Managed Internet Services-MIS solutions.
· Plan, design, configure, implement, and support enterprise class IP based networks using variety of networking protocols including BGP/IBGP, MPBGP (VRF), VPNv4, IGRP/EIGRP, HSRP, MPLS, and OSPF from the AT&T IP Backbone.
· Network handoff to other ISPs configuring routing policies, access-lists, route-maps, prefix-lists, Class of Service and route redistribution.
· Led numerous IP Services projects consisting of several hundred sites for AT&T Enterprise customers in the US and abroad.
· Senior technical member of the group handling migration of legacy SBC T1/T3 circuits to the AT&T Global IP Network Backbone.
· Mentor, train and provide direction to newly hired network engineers.
Network Engineer June 2004 – December 2005
Intelligent Currency Validation Network Inc., Timonium, MD. (http://www.icvn.com)
ICVN provides patented network solutions to government, financial institutions, retail and gaming industries worldwide. The iCVn system employs state of the art Reading and Authentication Devices (RADs) that connect through a global network to a server containing proprietary databases used for currency note authentication and tracing to deter cash related crimes.
Reporting to Director of Technology
Key contributions:
· Redesigned and configured the local network at corporate branch; upgraded to multiple, bonded T1s homed to different ISPs from previously using DSL & Broadband.
· Implemented LAN security and bandwidth management by upgrading firewalls to Sonicwall 2040 and creating VLAN and access list configurations with the help of Cisco routers- 2600, 2800, Seimens enterprise gateway router 5900 and multilayer Cisco switches 3550.
· Installation from scratch and administration of Redhat based server systems; Mail-server- Sendmail (SMTP, POP3, IMAP, Mailscanner), Webmail system for accessing emails from outside, PPTP VPN Server, DNS, DHCP, Webserver (HTTP), VSFTP (FTP), NAT/PAT, DIALIN (dial-up internet access) where users can dial in to the server to access internet.
· Setup High-Availability Linux Cluster using Heartbeat and Unison to monitor uptime & real-time data synchronization.
· Network installation at various client locations including IP routing, Load balancing and ICVN Local Area Servers running on Windows Server 2003.
· Installed ICVN Wide Area Nodes in different time zones on Windows Server 2003 platform.
· Backed up sales team during presentations or system demonstration for any technical issues. Understand customer specific requirements to provide them customized solutions.
· Participated in company meetings discussing technology enhancement and system upgrade.
Network Engineer/Research Assistant Sep-03 to June 04
Drexel University, Philadelphia PA (http://www.drexel.edu)
Worked on several networking related research projects including traffic engineering (queuing delay and throughput measurement), performance analysis, sensor networks, propose new designs and document procedures.
· Designed an optical network to upgrade the campus network backbone to 10 Gbps.
· Measure the various transmission distances.
· Choose the best-suited topology for the network.
· Selection of compatible components.
· Choosing an efficient wavelength and signaling formats.
· Worksheet: Loss and cost analysis
· Developed network control center for ER-1 Robots (Evolution Robots). Assisted the team to enable remote control of ER-1 through IPAQ pocket PC over TCP/IP from anywhere on internet or intranet.
· Network programming using java scripts, servlets, webserver and ER-1 API
· Allows the input of distance and angle of motion at each control step
· User is provided with pseudo-real time images from the ER 1's web camera.
· Engineered for CiMeRC and was demonstrated to the Department of Homeland Security (June, 2004)
· Published a tutorial to train ER-1 robots.
· Proposed the customized Bluetooth protocol design along with hardware setup and required software applications to establish communication between several robots so that they can plan and work in unison. The project was aimed at making a team of robots to self-organize.
· Developed a new MAC protocol for time sensitive sensor networks with lesser transmission delay than other conventional protocols like ALOHA
· Mathematical modeling and analysis of various queuing systems and their applications in computer networks-
· M/M/c queues using Matlab: analyze the behavior of multiple server queues in a network and confirm the behavior according to Markov chain process.
· GPS (generalized processor sharing) scheduling using MATLAB. The results demonstrate the behavior of the various network elements such as the buffer and queues at the server according to arrival rates
Junior Network Engineer, Dec 2002 - Aug 2003
UP Power Corporation Ltd., India (www.uppcl.org )
UPPCL is one of the largest employers in the state of UP India. Worked at one of the major thermal power plants having V-Sat/Earth station connectivity. More than 400 active users in windows environment.
Key contributions:
· Built network designs in MS Visio.
· Document network designs and configurations.
· Monitor LAN with Visual Uptime, Ethereal packet analyzer and Sniffer Pro.
· Configure Cisco 1841 routers with router RIPv2 protocol and configure security with Access Lists.
· Gather project related network infrastructure requirements from project managers.
· Propose infrastructure upgrades and software purchases for individual clients.
· Maintain budget and inventory for infrastructure department.
· Implement and upgrade network with Cisco routers/switches, and firewalls in Windows environment.
· Unified domain policies and group policies for LAN users.
· Created backup policies for backup tape generation and preservation in fire-proof cabinets.
NETWORKING AND COMPUTER SKILLS
Protocols: TCP/IP, UDP, MPLS, BGP, MPBGP, VPNv4, LDP, OSPF, EIGRP, IGRP, RIP, FR, HDLC, PPP, ATM, HSRP, Ethernet (10/100/1000), IEEE 802.3, Wireless LAN (802.11), VLAN, ACL, VPN, Bluetooth, SONET, DNS, DHCP, FTP, NAT, HTTP, SMTP, POP, IMAP.
Equipments: Cisco routers (1600, 1800, 2500, 2600, 2800, 3600, 3700, 3800, 7200 and 12000) Cisco multi-layer switches (2900, 3500 and 4000). 3COM routers (3000, 5000). Seimens router 5900. Baytech switches/modems, Firewalls, hubs, Network testing instruments (layer 2), Wireless Access Points/Routers.
Tools: Network Sniffers, Network emulators (NISTNET), NS2, Network designing simulators (OPNet), Ethereal, Solar Winds.
Operating Systems: WIN 9X/XP/2000/2003, Linux.
Software: MS Visio, MS Project, Clarify, Remedy, MS Office 2000/2003, Lotus Notes.