SUMMARY

• Around 6 years of expertise as Network Engineer in designing, performing Network analysis, troubleshooting, maintaining and supporting complex network systems.
• Proficient with network hardware and technologies including routers, switches, firewalls, Ethernet, Fast Ethernet, Gigabit Ethernet.
• Hands on experience in configuring Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
• Hands on experience in configuring Cisco Catalyst 3650, 4500, 6500 series switches.
• Experience in LAN networking technologies (Spanning - Tree, VLAN, DTP, HSRP, VRRP, GLBP) and Experience in Routing Protocols (EIGRP, OSPF and BGP).
• Provided engineering support for network infrastructure such as proxies, load balancers, encryption, remote access servers (terminal servers), Remote client access, Network Admission Control (NAC), VPNs, SSL accelerators, WAN optimizers, DHCP controllers, and performance analyzers).
• Working knowledge of RADIUS/TACACS authentication mechanisms; Expertise in configuration & troubleshooting of routing protocols and deployment of OSPF, EIGRP, BGP, MPLS, IP Multicast.
• Experience in switch security and network security firewalls technologies. And LAN/WAN Network Support for TCP/IP based devices; Experience with IDS/IPS (SNORT), DLP system.
• Have Strong Knowledge and experience in designing, supporting and troubleshooting of IPSEC VPN's and Remote access SSL VPN'S.
• Experience in Network Management Tools and sniffers like SNMP, Syslog server, Wire shark and Cisco works to support 24 x 7 Network Operation Centre.

TECHNICAL SKILLS

Cisco Routers: 2941, ASR9001, ASR903, 7609.

Cisco Switches: 6500, 3650, 3750, 3850, Nexus 5k, Nexus 7k

Protocols: RIP, RIP v2, IGRP, EIGRP, OSPF, BGP, TCP/IP, SNMPV1/V2.

Network Topologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, OSI and TCP/IP layered architecture, IPV4/IPV6 addressing.

Security: F5 Load balancers, Juniper/Netscreen Firewalls, Cisco Content Engine, McAfee WebGateways, Snort.

Networking Tools: Wireshark, Ethereal, Nagios, Cactai

Carrier Technologies: MPLS, MPLS-VPN.

Switching concepts: VLAN, STP, RSTP.

Design Tools: MS Visio Network Professional, MS-Project.

PROFESSIONAL EXPERIENCE

Confidential, Sterling, VA

Network Engineer

Responsibilities:

• Oversees assigned networked systems, including the planning, analysis, design, development, modification, configuration, installation, integration, maintenance testing, operational integrity assessment, and backup for the networked systems.
• Installs, configures, and troubleshoots network equipment, such as routers, switches, firewalls, load balancers, cabling systems, modems, multiplexers, and concentrators.
• Identifies, analyzes, and corrects complex network related problems, to include security measures.
• Develops and implements configuration management plans.
• Develops and maintains local procedures for network, infrastructure, system operations, and product assembly and installation.
• Prepares recommendations, justifications, and specifications for Local Area, Wide Area, and Wireless Local Area Networks (LANs, WANs, and WLANs); Virtual Private Networks (VPNs) and Virtual Machines (VMs) or Networks; and associated Voice over Internet Protocol (VoIP) equipment.
• Creates and maintains documentation relating to network configuration, network mapping, processes, and service records.

Confidential, Washington, DC

Network Engineer

Responsibilities:

• As a Network Engineer, actively contributed to the design, configuration, installation, and maintenance of the network infrastructure.
• Performed network implementation that includes configuration of routing protocols, leased lines, ISDN lines, VLANs and IOS installations.
• Installation and Configuration of Cisco Catalyst switches 6509, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy.
• Full network stake deployment (core routers, firewalls, switches) using Juniper and Cisco technologies.
• Working knowledge of MPLS VPN technologies in Service provider network.
• Hands on experience in configuring Cisco ASR 9001 series router; configuring and troubleshooting IOS and IOS-XR devices in complex network; hands on experience with Juniper EX, MX series routers.
• Worked with layer 2 switching technology architecture. Implemented L2 switching functionality, which includes the use of VLANS, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external treatment, configuration and security.
• Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP).
• Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.
• Maintain and troubleshoot switch applications and Network connectivity including DNS, DHCP, LAN and TCP/IP issues.
• Performed IOS upgrades on 2900, 3500 series Cisco Catalyst switches and 1800, 2600, 3600 series Cisco routers using TFTP.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Provide direct day to day support for various technologies.

Environment: Cisco 2948/ 3560/ 4500/ 3560/ 3750/ 3550/ 3500/ 2960/ 6500 Switches and Cisco 3640/ 1200/ 7200/ 3845/ 3600/ 2800 routers, DNS, DHCP, LAN, WAN, TCP/IP, OSPF, BGP, EIGRP.

Confidential

Network Design Engineer

Responsibilities:

• Responsible for Network Administration, support and maintenance; evaluated & Validated Network Design structure.
• Perform Network and system performance analysis and tuning optimizations.
• Study and Plan next generation networking solutions and develop architecture for the same.
• Evaluated Network Designs and recommended ways for improving work efficiency of network.
• Good understanding of Network cabling design and other technology design documents.
• Documented deployment details of equipment and associated cables.
• Provided Performance Management analysis for Network systems and management systems.
• Created functional and operational Network System requirements and specifications for level1 and level2 teams.
• Partnered with neighboring teams in designing, deploying and operating highly scalable network systems.
• Validated & created Network Test Architecture & requirements, network impact assessments and parameter validation.
• Experience in configuring routing protocols like EIGRP, RIP v2, OSPF; BGP.
• Collaborated with Network teams and work towards growing network requirements and providing solutions.
• Provided support for Cisco Catalyst Switches 3650 and 6500 series Cisco Switch.
• Network monitoring of LAN/WAN using various tools and ping tools.
• Provided validation processes and analysis related to feature development, capacity and performance testing.
• Day to day monitoring to ensure proper function of the network and to maintain the integrity and availability.
• Offered basic network support and troubleshooting for cloud infrastructure.
• Provided layer 2 and layer 3 network support.
• Monitored and managed network resources using HP OpenView by implementing policies and creating custom events.
• Maintained all project documents, developed test plans and regression test plans.

Environment: Cisco 2948/ 3560/ 4500/ 3560/ 3750/ 3550/ 3500/ 2960/ 6500 Switches and Cisco 3640/ 1200/ 7200/ 3845/ 3600/ 2800 routers, LAN, WAN, TCP/IP, OSPF, BGP, EIGRP, RIP.

Confidential

Network Engineer

Responsibilities:

• Was responsible to eliminate, test and troubleshoot the network problems.
• Managed computers, users and policies in Active Directory.
• Experience and use of remote control tool sets (LANDesk and Bomgar).
• Functions as a 'Help Desk' representative to answer various levels of information technology questions from users demonstrated by monitoring and maintaining request/resolution information.
• Administered & supported Office365 policies, troubleshoot technical issues & managed Microsoft multi-factor authentication.
• Tests and evaluates network systems to eliminate problems; Performed system backups and recovery.

Environment: Active Directory, Office 365, LANDesk, Bomgar.