SUMMARY

• More than 7 years of experience in the field of Networks and Systems Engineering with strong and extensive knowledge of Design, Configuration, Implementation, Operation and Support of Cisco Routers, Switches, VoIP and VPN Devices.
• Expertise in planning, design, implementation and maintenance of Ethernet based Local Area Networks (LAN’s), Wireless Networks (WLAN’s) and Wide Area Networks (WAN’s).
• Expertise in troubleshooting, implementing and testing of static and dynamic routing protocols such as RIP, OSPF, BGP and EIGRP.
• Expertise in planning, designing, installing and configuring of Cisco Catalyst 6500, 3700, 3500, 2900 series switches, Cisco Nexus 7000, 2000 series, Cisco 2600, 2900, 3600, 3900, 7200, 7600, GSR 12000 series routers and Cisco 4402, 4404, 5508 Wireless LAN Controllers. Hands - on experience in IP addressing and subnetting.
• Planning, designing, Installation, configuration and maintenance of 802.11a/b/g Wireless Networks and Wireless Access Points.
• Hands on Experience in configuration of Wireless Security Technologies (PEAP/WPA, LEAP/WEP).
• Experience in management and configuration of firewalls Cisco PIX 500 Series and ASA 5500s firewalls, checkpoint and Cisco VPN 3000 Series Concentrators.
• Implementing filters on Cisco routers and Switches using Standard and Extended Access Control-Lists.
• Experience in upgrading and troubleshooting IOS related issues.
• Knowledge of WAN networks and technologies including ISDN, MPLS, SONET, HDLC, Frame Relay and ATM.
• Strong working Knowledge of implementing and troubleshooting complex layer 2 Switch technologies such as Port Security, STP, VLAN’s, and VTP’s. Experience in Trunking Protocols (802.1q, ISL).
• Expert level knowledge in troubleshooting Network Connectivity issues in Local Area Networks (LAN) using Packet Capturing Methods (WireShark).
• Installation, configuration, administration and maintenance of Microsoft Windows 2003/2008 DNS and DHCP servers.
• Administering the Microsoft Windows, managing disk space, user profile creation and user rights management, managing user profiles and system policies using Windows Active Directory, Microsoft Exchange and Group Policy Objects. Administering patch management, operating system deployment with SCCM and SCOM.
• Expertise in installation, troubleshooting of various laser and Network Printers, Data Recovery, Drive/Disk Imaging and Backup.
• Thorough knowledge of networking technologies including TCP/IP, DHCP, TFTP, VoIP.
• Extensive experience with VoIP and telecom equipment, standards and technologies and hands on experience in Cisco IP telephone (7200s) Networks and Cisco Call Manager Version 7.02-Call-processing and call-control application.
• Good experience in configuring Dial Peers, H.323, SIP, MGCP, Gatekeeper and Gateways.
• Hands on experience with Cisco Unified Communications Manager and Cisco Unity Connection.
• Experience in installing phones like IP Communicator, 79xx and 99xx phones.
• Excellent communication skills, enthusiastic, motivated and a team player. Expertise in leading teams, people and processes.

TECHNICAL SKILLS

Network Hardware: Cisco Routers (7600, 7200, 3900, 3600, 2900, 2800 Series), CRS-1, ASR 1000s, GSR 12000, Cisco Nexus Switches 7000s, 5000s, 2000s, Cisco Catalyst Switches (6500, 4500, 3700, 3500, 2900), Cisco CSS 11500s content switches, Cisco Wireless LAN Controllers (WLC) 4400 Series (4402 & 4402) 5500 Series (5508), Cisco Aironet Wireless Access Points ( Series), Cisco Wireless Control Systems 5.2 Plus (WCS), Laptops, workstations, 10/100 Ethernet Cards, Printers, Plotters, Scanners and other peripherals

Cisco IOS: IOS 11.x, 12.x, 15.x PIX OS 6.x, 7.x

Firewalls/VPNs: ASA 5000 series, PIX 500 series, Cisco VPN 3000 series Concentrators, Checkpoint

Switching Techniques: MAC/ LLC, PPP, ARP, RARP, VTP, STP, RSTP, VLAN, 802.1q, Port fast, Switch Port Security, Spanning Tree Port Fast

Protocols: OSPF, BGP, RIPv1, RIPv2, EIGRP, TCP/IP, SNMP, Standard and Extended ACL’s DNS, DHCP, SCCM, HSRP, POP3, SMTP, FTP, TFTP, NAT

Protocols (Voice Specific): SCCP, SIP, H323, MGCP

Products (Cisco): Call Manager (aka Communications Manager) 4.x,5.x,6.x,7.x Versions, Unity /Unity Connection, Contact Center Express

Products (clients): Unified Personal Communicator (CUPC), IP Communicator (CIPC), 79xx hard phones, 99xx hard phones

LAN Technologies: Ethernet/Fast Ethernet/Gigabit Ethernet networks, VLAN Routing, 802.1W, 802.11a/b/g.

WAN: Frame Relay, ATM, ISDN, PPP, HDLC, MPLS

Remote Access: ISDN, PPP, HDLC, VPN, TELNET, Secure Shell

Tools: Microsoft Network Analyzer, Ethereal, Wire Shark, Packet Sniffer, Netformx, ORION, CiscoACS, Remedy, Cisco Works, OPNET, SNORT, HP Openview

Operating Systems: Windows 98, 2000, XP, Vista and 7, Windows 2000/2003/2008 Servers, VMware ESXi 4.1, LINUX, UNIX

Applications: MS Project 2007/2010; MS Visio; MS Office 2003/2007/2010 - Word, Excel, Power Point; MS Exchange, MS Outlook, Outlook Express, SharePoint, Team Viewer

PROFESSIONAL EXPERIENCE

Confidential, Nashville, TN

Network Engineer

Responsibilities:

• Responsible for turning up new sites this includes designing, configuring and coordinating in turning up the new circuits on Routers, switches.
• Responsible for the installation, configuration, maintenance and troubleshooting of the company network.
• Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment.
• Supervised, delegated work and motivated OIR LMS staff.
• Working on Cisco GSR 12000, 7600 & 7200, 3600, 2900, 2600 series routers and Catalyst 6500, 3750, 3550, 2960 switches.
• Installed and maintained routers and switches in various network configurations supported VLANs, VoIP, and advanced access-lists.
• Handling the network infrastructure of NOC/Data Center LAN/WAN, migration & configuration of network switches and firewalls.
• Addressing performance bottlenecks & ensuring maximum network efficiency and uptime.
• Configured RPR, RPR+ mode for SUP-720 redundancy for Cisco Catalyst 6504, 6513. Configured Cisco 6500 series routers as edge routers in a lab environment.
• Dealt with much Class of service issues on the edge routers. Also performed QOS testing on Cisco routers for LLQ, CBWFQ, policing, shaping, WRED etc.
• Designed QoS policies for critical applications based on business requirements and traffic patterns.
• Configured Multiprotocol Label Switching (MPLS), MPLS VPNs.
• Tested various cards like OC3, OC12, OC48, OC192 for feature and functionality.
• Implemented traffic filters using Standard and Extended Access-lists. Handled Route-map, Re-distribution list & access-list configurations.
• Configuring and managing Windows Firewalls, Cisco PIX and Checkpoint firewalls. Installed and configured the ACE and CSM for firewall/Server Load balancing for Cisco Catalyst switches.
• Designed Implemented and configured GLBP and HSRP on different locations on the switched network and managing the entire multilayer switched network.
• Wrote several test plans and executed many test cases to test the performance and features of the routers and switches.
• Addressing issues related to OSPF, BGP, VLAN Trunking, HSRP and GLBP fail-overs. Troubleshoot EBGP and MPBGP and worked with the creation of route policies, route maps and various BGP attributes. Worked on hardware issues where PICs and FPCs were needed to replace.
• Providing End-user support for troubleshooting of hardware, software and Windows operating systems related issues, Network connectivity issues, Remote access setup, VPN connection issues and telephony related problems including VoIP, Call Center.
• Configuring and Utilized network monitoring software to ensure network availability to all system users and Communication Manager.
• Installed and configured IP communicator &79xx phones. Configured MGCP on both router and Communication manager.
• Configured voice-mail support for all these phones using Cisco unity Connection.
• Used tools Wire Shark, Packet Sniffer and Microsoft Network Analyzer for monitoring Local Area Network connections (LAN’s) and Wide Area Network Connections (WAN) for Network connection and failure issues.
• Planned Data Recovery, Drive/Disk Imaging and Backup process and procedures.
• Maintained accurate network documentation for moves, adds, changes, and deletes. Proper documentation of problem situations and resolutions.
• Documented policies and procedures for resolving customer issues.
• Extensively utilized Microsoft’s Visio 2010 for designing and analysis and Project 2010 for task planning and assignment.

Environment: Cisco Routers 12000s, 7600s, 7200s, 3900s, 3600s, 2951, 2600s, Cisco Catalyst Switches 2960, 3550, 3750, 4506, 6500s, Cisco Nexus 7000s, 2000s, Cisco IOS 11.0, 12.2/12.3/12.4 , 15.0, Cisco CSS 11500s, Cisco ASA 5500 with v8.0 and PIX 500s, VPN Concentrator 3000s, Cisco IP Telephone Network 7200s, Cisco Call Manager 7.02, Cisco Unity 5.0, MS Project 2010, MS Visio 2010, Solarwinds Orion, Cisco ACS, Remedy

Confidential, North Brook, IL

Network & Systems Administrator

Responsibilities:

• Analyzed, configured and troubleshoot the LAN/WAN networks.
• Monitor Network traffic and access logs in order to troubleshoot network access issues. Use network analysis tools to monitor and shape traffic for optimum performance.
• Perform configuration and maintenance of LAN\WAN technologies such as Ethernet and Fast Ethernet. Securing the network with access lists applied on interfaces.
• Implemented traffic filters using Standard and Extended Access-lists. Handled Route-map, Re-distribution list & access-list configurations.
• Designing and configuration of Local Area Networks consisting of Cisco Catalyst Switches 6509E, 4500s, 3750, 3560 Wired Switches, Wide Area Networks consisting of Cisco Routers 3900s, 2951s, and Wireless LAN Networks using controllers of Cisco 5508s with Cisco APs 3502Es.
• Performed Pilot Test on Cisco Nexus Data Center Switches 7000s for compatibility issues, Cisco Carrier Routing System (CRS), Cisco Aggregation Service Routers and Cisco 12000 GSR.
• Performed various VLAN Assignments, InterVLAN Communication, dot1q Trunking, spanning treeport fast.
• Implementing IP Routing protocols EIGRP, OSPF, RIP on Cisco Routers 7600, 3600, 2800.
• Configuring and managing Windows Firewalls, Cisco PIX and Checkpoint firewalls. Planning, Design and configuration of Firewalls ASA 5580 with software version 8.0.
• Cisco Load balancers, VPN concentrators and implementing QoS and performing traffic engineering.
• Daily administration of Windows servers including creation/deletion of new user accounts, print services, backups. Installed and Maintained software license agreements. Administering patch management, operating system deployment with SCCM and SCOM.
• Configuring and Utilized network monitoring software to ensure network availability to all system users and Communication Manager.
• Installed and maintained routers and switches in various network configurations supported VLANs, VoIP, and advanced access-lists.
• Configured dial-peers for digital and analog phones and integrated with communication manager
• Installed and configured IP communicator &79xx phones
• Configured voice-mail support for all these phone using Cisco unity Connection
• Configured MGCP on both router and Communication manager
• Provided necessary solutions for audio conferencing
• Providing End-user support for troubleshooting of hardware, software and Windows operating systems related issues, Network connectivity issues, Remote access setup, VPN connection issues and telephony related problems including VoIP, Call Center.
• Utilized tools Network Design Tools Netformx, Visio, and Excel for creating the required output. Update, discover, document network related information and generate Cost Analysis and Bill of Materials (BOMs) using Netformx.

Environment: Cisco Routers 12000s, 7600s, 7200s, 3900s, 3600s, 2951, 2800s, Cisco Catalyst Switches 3560, 3750, 4506, 6509, Cisco Nexus 7000s, 1000s, Cisco Wireless LAN Controller 5508, Cisco Aironet APs AIR CAP 3502s, Cisco IOS 11.0, 12.2/12.3, Cisco CSS 11500s, Cisco ASA 5500 with v8.0 and PIX 500s, VPN Concentrator 3000s, Cisco IP Telephone Network 7200s, Cisco Call Manager 7.02, Cisco Unity 5.0, MS Project 2010, MS Visio 2007

Confidential, Elkhart, IN

Network Administrator

Responsibilities:

• Involved in designing, configuring, implementing, maintenance and troubleshooting issues relating to routers and switches in LAN, WLAN and WAN.
• Planning designing, Installation, configuration and maintenance of 802.11a/b/g Wireless Networks and Wireless Access points.
• Configured Wireless Control System 5.0 for Wireless Networks.
• Installed and Configured Wireless LAN Controller 4402 and 1200s (LWAP) Cisco Access Point.
• Configured Secured Authentication using LEAP/WEP and PEAP/WPA & WPA2.
• Configured the Cisco 6500, 7600, 2900 catalyst switches and 1000s Nexus Switches.
• Installed and configured the ACE and CSM for firewall/Server Load balancing for Cisco Catalyst switches.
• Used SNMP protocol for NMS configuration to detect network link failure.
• Installation, Management and Maintenance of VPN Servers for Remote access, Site to Site VPN access and Dial up VPN access.
• Configuring dedicated VLAN’s for VOIP networks as part of implementing IP telephony in company’s infrastructure.
• Configuring H.323 gateways, SIP trunks on both routers and call-manager
• Configured Translation Pattern on the router and call-manager
• Configuring call-manager for video conferencing.
• Configuring dial-peers to link telephone number to local POTS for FXS & IP address
• Implementation of Windows 2003 domain infrastructure, VMware and Windows Active Directory 2003 setup
• Maintain and create user accounts and policies within Active Directory, configure/maintain Internet filtering and security on public access pc’s.
• Configuration and maintenance of DNS & DHCP servers using Windows Server 2003.
• Addressing issues like routing problems, route announcements/advertisements, and security access issues.
• Used tools WireShark, Packet Sniffer and Microsoft Network Analyzer for monitoring Local Area Network connections (LAN’s) and Wide Area Network Connections (WAN) for Network connection and failure issues.

Environment: Cisco Routers 7200s 3800s 2800s 2600s, Cisco Switch 3750, Cisco Catalyst Switches 7200s 6500s 3500s 2900s, Cisco Nexus 1000s, Cisco 4402 Wireless controllers, Aironet Access Point 1200s, Cisco IOS 11.0/11.2/12.2 , Cisco IP Telephony Network 7200, Cisco Call Manager 4.1, VMware ESXi 4.1, Windows Server 2003, MS Office and Visio

Confidential, Indianapolis, IN

Network Administrator

Responsibilities:

• Managed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Designed, Implemented and configured Cisco VOIP phone systems in the company.
• Troubleshooting and updating Call-manager and Unity connection regularly.
• Configured Translation Pattern on the router and call-manager.
• Interacted with business users from a service delivery and service support perspective.
• Installing, Configuring and Troubleshooting Cisco Routers (2500, 2600, 2800).
• Installed and Configured Cisco (2950, 2960, Series switches).
• Implementing and Troubleshooting of VLAN’s.
• Implemented, Monitored and troubleshoot the protocols RIPv1, RIPv2, OSPF and Static Routes.
• Configured and executed Protocols like BGP and EIGRP on Cisco Router 2600s, 2811.
• Hands-on TCP/IP and IP addressing.
• Planned, tested and evaluated various equipment, systems, IOS’s and procedures for use within the network / security infrastructure.
• Provide support to customers and field personnel for troubleshooting and resolving customer reported problems, preventive maintenance, and installation.
• Knowledge of IP traffic flow, sniffing, capturing and monitoring of live traffic streams using Wire-Shark.
• Track current security advisories, determine core network vulnerabilities and provide rapid guidance to minimize core network exposure.

Environment: Cisco Catalyst 1900, 2900, 3500, 4500 and 7200 Switches, Cisco 2500, 2600, 2800, 3600 and 7200 routers, Cisco Call manager 4.0

Confidential

Network Administrator

Responsibilities:

• Working with routing, switching, security designs and configurations, designing network architecture and performing connectivity troubleshooting.
• Planning designing, Installation, configuration and maintenance of 802.11a/b/g Wireless Networks and Wireless Access points.
• Responsible for troubleshooting every day LAN/WAN and WLAN’s problems.
• Worked on Remote access server, TCP/IP Networking.
• Responsible for installation, configuration and support for Dial-up/ Leased line and ISDN Modems.
• Worked on routing protocols RIP, OSPF.
• LAN cabling terminating equipment patch panels of different vendors. Done CAT5, CAT 5e cabling.
• Installed and configures Access points and LAN controllers for Wireless Networks.
• Responsible for providing 7x24 technical support domestic and global network infrastructures.

Confidential

Network Support Engineer

Responsibilities:

• Involved in Analysis, System Design, Capacity Planning, Storage requirements, Security and Management of installed Hardware/Software as per client’s requirements.
• Configuration and maintenance of Cisco 1700, 2600 series routers with EIGRP routing protocol.
• Configuration and maintenance of Cisco 2900, 3550 series switches including VLANs and Trunking protocols also configuring all the end ports as access ports using port fast and implementing BPDU guard.
• Configured and installed ATM, Frame-relay, ISDN, TCP/IP, Protocols.
• Exposure to IP and IPX to support various routing protocols like RIP, EIGRP and OSPF protocols Provisioned and validated DNS record for customer domains.
• Gained strong knowledge with hand-on experience of IP-subnetting for class A, B and C networks.
• Thorough understanding of network and security knowledge (TCP/IP, DNS/WINS, firewalls, routers, IDS, VPNs).
• Configured and troubleshooting of HSRP, Spanning tree Root guard, BPDU guard, UDLD and Loop guard STP features.
• Involved in customer escalations and troubleshooting issues related to connectivity, STP, VLAN, Trunking, VTP, Layer 2/3 switching, Ether channels, Inter-Vlan routing, log messages, high CPU utilization and parameters that can degrade performance of network.
• Responsible for implementation and day to day operations of all associated hubs, routers, bridges, gateways and related equipment.
• Monitoring the network, troubleshooting network problems, implementing changes, communicating and working closely with vendors, customers, system administrators.