SUMMARY:

• 8+ years’ experience and proven ability to design, implement, and analyze computer networks based on company’s requirements. Excellent technical and supervisory skills involving installation, maintenance, and troubleshooting.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950, Nexus 2k,5k&7k series switches.
• Experience with Nortel switches 2k, 4k, 5k, 8k switches.
• Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF and BGP.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token ring, ATM, bridges, routers, hubs and Switches.
• Switching tasks include VTP, ISL/ 802.1q, IPSec and GRE Tunneling, VLAN, Ether Channel, STP and RSTP.
• Network security including NAT/PAT, ACL, VPN Concentrator, IDS/IPS, and ASA/PIX Firewalls.
• Strong work experience with the following technologies MPLS, QoS, VPN, WLAN and Multicast.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
• Implemented traffic filters using Standard and Extended access - lists, Distribute-Lists, and Route Maps.
• Experience in installing and configuring DNS, DHCP server.
• Experience in configuring Site-to-site and remote access VPN solutions.
• Experience testing Cisco routers and switches in laboratory scenarios and deploy on site for production.
• In depth understanding of IPV4 and implementation of Subnetting.
• Provides technical leadership forproblem escalation and resolution.
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional. knowledge of Change Management Processes

TECHNICAL SKILLS:

Routers: Cisco 1800, 2500, 2600, 2800, 3600, 3800, 7200 and 7600 series

Switches: Cisco Catalyst 2960, 3550, 3560, 3750, 4500 and 6500 series, Nortel/ Confidential ERS 2k, 3k, 4k, 5k, 8K and Nexus 2k, 5k &7k.

Routing: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route Filtering, Redistribution, Summarization, and Static Routing.

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Multicast Operations, Layer 3 Switches, Ether channels

Firewall: ASA

LAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet.

WAN: PPP, HDLC, Channelized links (E1/T1/E3/T3), Fibre Optic Circuits, Frame Relay.

Gateway Redundancy: HSRP, GLBP, VRRP.

Network Management: Wire shark, SNMP, HP open view

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Network Engineer

Responsibilities:

• Responsible for lab evaluation of equipment engaged in the end-to-end development, engineering,, field verification, and deployment of platforms supporting various networks and products, including LAN/WAN, internet, TCP/IP, IPX, routing (RIP, OSPF), PPP, radius, remote LAN dial, Frame Relay.
• Interfaced with marketing personnel to identify requirements and develop strategies/solutions to meet marketing requirements for multi service product solutions.
• Provided expertise utilizing TCP/IP, frame relay, PPP, and IPX routing.
• Utilized routing protocols such as RIP, OSPF, and BGP.
• Studying the existing switching network of plant and offices.
• Preparing a upgrade plan and supporting documents
• Replace old 3com switches to Cisco L2 and L3 switches.
• Configuration of Cisco L2 and L3 switches. Cisco Nexus 2k,5k,7k.
• Documentation of cabling and connectivity for plant and data center
• Configuration of test setup environment, testing the setup, documenting the results.
• DHCP configuration on L3 switches, Aironet-AP configuration.
• Configuration of VLANs, Trunks, Private-VLAN’s, STP
• Configuration of Cisco wireless Access points 1100 and 1250 series.
• Provide detailed documentation for implementation process.

Confidential, Colorado Springs,CO

Sr. Network Engineer

Responsibilities:

• Responsible for lab evaluation of equipment engaged in the end-to-end development, engineering,, field verification, and deployment of platforms supporting various networks and products, including LAN/WAN, internet, TCP/IP, IPX, routing (RIP, OSPF), PPP, remote LAN dial, Frame Relay.
• Designed, installed, and maintained various WAN technologies and applications connecting remote sites to corporate headquarters.
• Configured, implemented, and troubleshoot routers and switches with various account settings, permissions, and parameters including security firewalls.
• Installed various network hardware including concentrators, bridges, and hubs to establish communication connections with remote locations.
• Configured multiple domain name services (DNS), email services (Exchange Server), web, and file transfer protocol services (FTP) for various platforms including line leasing through DHCP servers.
• Designed, monitored, and maintain various system applications including web-based monitoring tools while optimizing disk space for better QoS.
• Troubleshoot, diagnosed, and upgraded various network hardware technologies to Cisco platforms including routers, switches, and hubs.
• Trained various local administrators on standard network server services, virus protections, and other security measures while installing and configuring LAN technologies.
• Developed and implemented desktop technologies, installing and configuring server-based applications while documenting changes and updated into company logs and database.
• Provided remote support to clients and interfaced with customers to ensure their satisfactions, collaborating with various departments for additional assistance.
• Networking protocols worked with included but not limited to TCP/IP, DNS, WINS, DHCP, VPN, Terminal Services, Routing and Remote Access, Network Design, wiring and cabling

Confidential

Network/Data Operations Engineer

Responsibilities:

• Configuration and Management of Cisco Nexus 7K and 5K Series Switches, Cisco 6500, 4500, 3750 series Switches, Cisco 2800, 2900, 7200, Nortel/ Confidential 2k,4k,5k,8600,8800 switches.
• Performed Nexus-OS ISSU and EPLD upgrade.
• Performed upgrade on Nortel/ Confidential switches.
• Configured policy statements, routing instances, route manipulation on RIP, OSPF and BGP.
• Migrated Sites From EIGRP to OSPF.
• Provided comprehensive testing in lab before implementing in production environment.
• Provided documentation of network changes i.e change management and incident management process.
• Coordinating with Store technician for switch addition, movement and replacement
• Creating, Managing and maintaining rules to adhere corporate security standards using checkpoint Firewall
• Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN
• Configuring switch ports (VLAN tagging, switch port mode, Port Channel) at distribution and Access layers for new server builds and critical server movement as per requirement
• Infrastructure trouble shooting and TCP/IP Protocols Experience
• Maintained a Network with more than 600 Network devices, some 25,000 end hosts, and the other Network devices like DHCP, DNS servers, Firewall servers
• Co-ordination with Hardware vendors, software vendors and service Providers
• Helped the Network team to install New switches and routers and configure the IOS according to the requirement
• Included Vlan, OSPF, Subnetting, EIGRP, BGP, VTP, spanning tree, IP Subnetting, Wireless Access points
• Assisted in backup, restoring and upgrading the Router and switch IOS
• Attended Team meetings and provided comments on existing network and the recommendations to improve the current network Performance
• Identifying technical problems and debugging hardware and software related to LAN’s/ WAN’s.

Confidential

Network Administrator

Responsibilities:

• Designed and installed new Branch network systems. Resolved network issues, ran test scripts and prepared network documentation.
• Provide technical support for clients with dial-up internet issues.
• Worked on Network Operations using Ticketing system using Siebel.
• Monitoring the NMS system for different Network Alerts
• Ensure problems are satisfactorily resolved in a timely manner with focus on providing a high level of support for all customers.
• Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
• Coordinating with service providers for WAN link outages.
• Checking and configuring Cisco 7613 routers at data center for remote sites’ issues.
• Working on Cisco 6509 and 4507 series switches for LAN requirements, that includes managing VLANs, Port Security and troubleshooting LAN issues
• Installed and configured DNS and DHCP server.
• Involved in troubleshooting of DHCP and other IP conflict problems.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Configuration of Access List ACL (Std, Ext, Named) to allow users all over the company to access different applications and blocking others.
• Designed QoS policies for critical applications based on business requirements and traffic patterns.
• Used Load balancer CSS between the servers inside the network and in the DMZ.
• Responsibilities also include technical documentation of all upgrades done
• Attending meetings and technical discussions related to current project.

Confidential

Network Administrator

Responsibilities:

• Installation, Configuration and Administration of Windows 2003/2000 servers in LAN and WAN environments.
• Responsible for the implementation of Active Directory Services, security, access control, site replication and Multi Domain forests architecture on the Windows 2003/2000 server.
• Troubleshoot Authentication and connectivity problems, Windows 2003 Active Directory Domain with redundant domain controllers.
• Active Directory design, implementation and administration. Volume management, System security, Monitoring and Optimization. Windows 2003 domain design and administration, Terminal Server, Systems Backup.
• Installed, configured and managed SMS 2003 and Microsoft Operations Manager (MOM).
• Configuring and managing Windows Server Update Service (WSUS) for server and client patch management.
• Designing and implementing a secure network, by creating users and groups, authentication - policies, restricting users from gaining access to information.
• Configured and Managed VMWARE ESX 3.0 Server technology for managing windows based network environment. Responsible for consolidating the application servers to Single Server by using VMWARE ESX server 3.0.
• Accountable for the operation of the following back-end services like DNS, DHCP, FTP, SFTP, IP-Routing, VPN and domain security policy on Windows based infrastructure.
• Provided technical support, which includes maintaining LAN & WAN connectivity and other required services on windows 2000 professional, XP, Vista and Windows 2003 series.
• Ensured enterprise security compliance via the planning and deployment of Group Policies.
• Actively maintained optimum network operations by utilizing SolarWinds network management tools.
• Deployed wireless network functionality using Cisco Wireless Access Points integrated with Windows Active Directory for authentication.
• Coordinated the installation and upgrades of network hardware and software following corporate standard operating procedures. Assisted the team with research on complex technical issues, prepared and submitted recommendations to IT management for resolution an collaborated with technical solution.
• Ensure all daily, weekly and monthly management and maintenance tasks are executed as per the standard operating procedures.
• Configured and administered the enterprise Anti-virus, anti-spam and packet filtering solutions using Symantec Antivirus corporate edition.
• Configured Volume Management using Veritas Volume Manager.
• Create/ modify VLANs and assign/change VLANS to switch ports, create/ modify Access Control Lists, Allocate IP addresses for Servers.
• Troubleshoot extensive problems related to performance, installations for software and hardware in production environment as and when required.
• Working knowledge of HP Proliant DL360, DL380 G5 Xeon server.