SUMMARY

• Around 8+ years of professional experience in Network engineering, performing Network analysis, design, Implementing, capacity planning wif a focus on performance tuning and support of large Networks.
• Experience in Cisco Routing, Switching and Security wif strong Cisco hardware/software experiences wif high end Routers: Cisco 3400, 3600, 3750, 4948, 7200, 12000 Series, and Catalyst Switches: 4500, 6500, 7600, Juniper: Mx960, Mx480 & T640, Nexus 7000, 6000, 5000, 2000 Series, Info lox Transit 1400. Ciera 3916, ADVA GE114, XG210, IX Network version 6.30 and 7.50
• Experience in set up, configuration and management of Cisco PIX, ASA 5510, Juniper SA 2500, 4500, and 6500.
• Experience in Layer 3 Routing protocol configurations: RIP, EIGRP, OSPF, BGP, & MPLS.
• Experience in Layer 2 Routing protocol configurations: ATM/FRAME RELAY, IP services such as QoS.
• Experience in configure ACL, Firewall, VPN technologies: IP sec, SSL, IKE, AAA (TACACS+ & RADIUS)
• Implemented MPLS/VPN services for various customers.
• Experience in configuring VLANs, STP, VTP, PVST and 802.x autantication in access layer switches.
• Strong noledge of HSRP, VRRP, GLBP Redundancy Protocols.
• Experience wif different Network Management Tools and Sniffers like SNMP and Cisco works to support 24 x 7 Network Operation Centre.
• Hands on experience on NAT (Network Address Translation) configurations and its analysis on troubleshooting issues related to access lists (ACL).
• Problem solved network issues related to IP video multicasting, Layer2/3 services (VPLS, IES), DHCP issues, remote access, and hardware failure, link redundancy.
• Knowledge of Microsoft Visio creating a detail physical and logical network diagrams.
• Excellent leadership qualities wif good written and oral communication.
• Excellent interpersonal skills wif teh ability to work in a team of large members wif minimum supervision necessary.
• Worked extensively in Designing, Implementing & Managing LAN, WLAN & WAN solutions for different client setups. In - depth noledge and experience in WAN technologies including T1, T3, ISDN, HDLC, Point-to-point, ATM & Frame Relay.
• Experience in creating, managing configuration templates for network equipment.
• Implemented DNS (A, PTR, NS, CNAME, and Delegation), DHCP, and IPAM rules on Info lox Grid manager. Implemented public DNS records on Bind Server.
• Experience in Load Balancing using F5 Network Load Balancers.
• Strong Experience in using various tools for management, analyzing, and troubleshooting, monitoring & process automation in Lab &Production environment.
• Highly valuable Project Management and Operations Planning skills. Problem solved network issues related to IP video multicasting, Layer2/3 services (VPLS, IES), DHCP issues, remote access, and hardware failure, link redundancy.
• Knowledge of Microsoft Visio creating a detail physical and logical network diagrams.
• Excellent leadership qualities wif good written and oral communication.
• Excellent interpersonal skills wif teh ability to work in a team of large members wif minimum supervision necessary.

TECHNICAL SKILLS

Networking Concepts: Confidential Model, TCP/IP, UDP, IPV4, IPv6, Subletting, VLSM

Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, Static Routing, HSRP, VRRP & GLBP

Infrastructure services: DNS, ICMP, SNMP, ARP, IPAM, DHCP, FTP, TFTP

Switch Technologies: VLANs, VTP, STP, DTP, MLPPP, MPLS, ISL and dot1q

LAN Protocols: IEEE 802.1q, VTP, STP, RSTP

WAN Technologies: Frame Relay, PPP, HDLC

Security: VPN (IPSEC, SSL, IKE), NAT/ PAT, ACL, AAA (TACACS+, RADIUS)

Firewall: Cisco PIX, ASA, Juniper Secure Access VPN Appliance

Load Balancer: F5 Networks (BIG-IP), Cisco ACE

Plataforma: Cisco IOS (11.x, 12.x), CAT-OS, Cisco NX-OS, Windows XP/Vista/7/8

Other Technologies: VISIO, VMware, IXIA, IX Network, GNS3, Microsoft Word, Excel, virtual box.

PROFESSIONAL EXPERIENCE

Confidential, Chicago

Network Engineer

Responsibilities:

• Reviewing, analyzing, approving and executing all changes in teh network. All Configurations of Cisco Routers and Switches. Participated in a rotating 24x7 support schedule for teh Network Operation Centre.
• Monitored, managed and resolved all Data Network Circuits. Configured Static, RIP v1 & v2, IGRP, EIGRP, OSPF and BGP Routing Protocols on Cisco 3600, 3750, 4948, 7600 ASR 9000 series Routers.
• Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel on Cisco Catalyst Switches 3500, 6500, 7600.
• Performed Troubleshooting and monitored routing protocols such as RIP, OSPF, and EIGRP & BGP.
• Created, maintained configuration templates for Cisco 7600, 4948, 3750, 3400, Arista 7050, Celina 3916.
• Designed OSPF Areas for reliable Access Distribution and for Core IP Routing.
• Implemented traffic filters on Cisco routes using Standard & Extended access-list.
• Installed and configured Routers, Bridges, Terminal Servers and CSU/DSU’s to support WAN links.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5585/PIX security appliance, configuring VLANs/routing/Netting wif teh firewalls as per teh design.
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525) & ASA 5500(5510/5585) Series
• Experience wif convert PIX rules over to teh Cisco ASA solution. Configuring RIP, OSPF, BGP and Static routing on Juniper M and MX Series Routers
• Designed and implemented security policies using ACL, AAA, PIX, ASA firewall.
• Implemented DNS (A, PTR, NS, CNAME, and Delegation), DHCP, and IPAM rules on Infoblox Grid manager. Implemented public DNS records on Bind Server.
• Experience in working wif Nexus 7010, 6004, 5020, 2148, 2248 devices.
• Configured routing policy for BGP. Switching related tasks included implementing VLANs and configuring ISL trunk and 802.1Q on Fast-Ethernet channel between switches
• Implemented Cisco IOS Firewall IDS using 2600 series router.
• Configured and troubleshooting of HSRP, GLBP, and VRRP on Cisco routers.
• Configuring RIP, OSPF and Static routing on Juniper M and MX Series Routers
• Troubleshooting on network problems wif Wire shark, identify teh problem and fix.
• Experience wif configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for teh Nexus 5000. Experience wif configuring VDC on Nexus.
• Implemented EPL, EVPL on China 3900, ADVA using COS & marking policies.
• Redistribution of routing protocols and Frame-Relay configurations.
• Configured VLANs on a switch for inter-VLAN communication. Configured VLAN Trunking Protocol (VTP) on Core Switches. Configured various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches for STP, VTP Domain, VLAN, Trunking, Fast Ether Channel configuration.
• Documented all teh work done by using Visio, Excel & MS Word.
• Created configuration templates for teh network design and implemented.

Environment: Cisco Routers and Switches, Cisco Catalyst Switches, Cisco, Cisco Firewalls, Cisco PIX, CISCO CAT, Juniper Routers, VIP, DNS, DHCP, IPAM, Spanning Tree (STP), RIP, OSPF, BGP, HSRP, GLBP, VRRP, Fabric Extender, Nexus, Trunking.

Confidential

Network Engineer

Responsibilities:

• Performed network engineering, design, planning (WAN & LAN) & implementation. Studied single point failures & designed WAN structure in such a way that their are no failures in teh network in case of any device or link failure.
• Configured and designed LAN networks wif Access layer switches such as Cisco 4510, 4948, 4507 switches.
• Setting up VLANs and configuring ISL trunk on Fast-Ethernet channel between Switches.
• Deployed a large-scale HSRP solution to improve teh uptime of collocation customers, in teh event a core router became unreachable.
• Worked on F5 LTM, GTM series 6400, 6800, 8800 for teh corporate applications and their availability
• Understand teh JUNOS platform and worked wif IOS upgrade of Juniper devices
• Configured Remote Access VPN on Juniper SA 6500, 4500,2500
• Understand teh JUNOS platform and worked wif IOS upgrade of Juniper devices
• Configured Admin and User Realms, Roles, Resource Profiles, Sign-in Policies and monitored User logs on Juniper IVE.
• Performed software upgrade on Juniper IVE from 7.3R5 to 8.0R1 to support Remote access on windows 8.1 operating system
• Negotiate VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Configured standard and extended access-lists on network
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Configured and managed Networking and Network Security by performing system administration/analysis that includes installing/configuring proxies, DNS, IP addressing scheme & IP subnetting wif VLSM, configuring VLANs & Trunks.
• Redistribution of teh route (Network Migration) from RIP to OSPF.
• Responsible for service request tickets generated by teh helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes wif all-around technical support.
• Design, Implement & troubleshooting of Juniper switches, routers, and Firewalls.
• Juniper: EX-2200, EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240
• Experience working wif Network management software NSM.
• Perform root cause analysis on teh problems coming across Project execution.
• Implement changes through change management process ITIL Process.

Environment: Cisco Routers and Switches, Cisco Firewalls, Cisco PIX, Juniper Switches, Juniper IVE, Juniper SA, F5 LTM, GTM, BGP.

Confidential, Atlanta, GA

Network Engineer

Responsibilities:

• Involved in End-to-End development, design, and requirement Analysis.
• Installation and Configuration of Cisco Catalyst switch 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP wif Access Control list implemented as per Network Design Document and followed teh change process as per IT policy It also includes teh configuration of teh port channel between core switches and server distribution switches.
• Implemented Site-to-Site VPNs over teh internet utilizing 3DES, AES/AES-256 wif PIX Firewalls.
• Enabled STP attack mitigation (BPDU Guard, Root Guard) using MD5 autantication for VTP
• Manage Cisco Routers and troubleshoot layer1, layer2, and layer3technologies for customer escalations.
• Involved in designing L2VPN services and VPN-IPSEC autantication & encryption system.
• Installation, Configuration and troubleshooting Cisco switches and Firewall on multimode context based environments.
• Handled Corporate and Review Audits from teh perspective of IT Security for Network Devices and Servers under our control.
• This includes Artefacts for regular health checks, IP and System Integrity, Change management, Problem management, Logical Access Controls, Network Connectivity, Service Registration, and Performance Management.
• Experience wif MP-BGP and MPLS LDP protocols.
• Experience wif setting up MPLS Layer 3 VPN cloud and also working wif BGP WAN towards customer
• Enabled continuous Layer 2 monitoring wif Solar Winds, so that each site can run independently until connectivity is restored.
• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPsec/GRE to Get VPN
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that includes routing protocols EIGRP, OSPF & BGP.
• Substantial lab testing & validation prior to implementation of Nexus 7K, 5K & 2K connecting to blade servers.
• Installation & configuration of Microsoft Proxy Server 2.0.

Environment: Cisco Routers, Cisco IOS, Cisco Catalyst Switches, OSPF, EIGRP, BGP, Artifacts, MP-BGP, MPLS LDP, IPSec VPN, Nexus, STP, PIX Firewalls.

Confidential, San Francisco, CA

Network Engineer

Responsibilities:

• Involved in End-to-End development, design and requirement Analysis.
• Troubleshoot and coordinate teh resolution of connectivity related issues.
• Reviewing current network diagram.
• Installation, configuration, and maintenance of Cisco Routers like 2600, 2800 and 3600 series.
• Load balancing Virtual IPs onF5EBL (LTM and GTM) A10 EFL (SLB and GSLB)
• Installing and configuration and troubleshooting of various Cisco switches like 2900 series, 2950 series, 3550 series, Nexus 5000 and Nexus 7000 series and Juniper EX series.
• Teh client usesSaasservice for Managing and processing theircustomer databases.
• Working wif carrier Ethernet technologies like L2vpn, VPLS, VPWS
• Operating, administrating, managing & testing of carrier Ethernets
• Configuring, troubleshooting and managing Networks of over 1000 devices by monitoring teh health of routers, switches, and load balancers and working wif teh team to fix any configuration or hardware issue
• Configuration and troubleshooting of various routing protocols like RIP, EIGRP, and OSPF.
• Teh configuration of layer 2 Cisco switches for VLAN and Trucking
• Configuring Load Balancer viz. F5 LTM
• Configuring and monitored different monitor modules F5 BIG-IP LTM F5 and DNS traffic Management.
• Analyze public cloud usage in terms ofSaabs, Papas, and IA as. Provide consultancy to improve cloud usage and minimize cloud-based risk and cost.
• Planning and implementation of IP addressing scheme using sub-netting and VLSM.
• Configuring Cisco BAC (Broadband access center) along wif DOCSIS cable modems
• Working on Wi-Fi Portfolio by Configuring and Troubleshooting Wireless Access Points (WAP) and Wireless Controllers (WLC) for limited connections issue In Wireless Local Area Network (WLAN)
• Involved in originating VoIP telephone calls are similar to traditional digital telephony and involve signalling, channel setup.
• Implementation on Policy-Based Routing (PBR)
• Managing and configuring of Access lists, configuring of Wide Area Networking Protocols, HDLC, PPP, Frame Relay, ISDN, NAT, HSRP, and VPN
• Working on RSA, AAA, &RADIUS.
• Working Troubleshooting wif teh TCP dumps and wire shark.
• Working on System Centre2012 R2, MS SharePoint and installation, and configuration of VMware infrastructure.
• Configuring and designing VPN rules for Net Screen VPN Box and Checkpoints Firewall.
• Designing and Implementing firewall rules and modifying existing rules in Palo Alto, Cisco ASDM, Juniper SRX and checkpoint firewalls.
• Using Ticketing tools like JIRA, Remedy, Picante, etc., for logging teh troubleshooting issues and their resolutions.

Environment: Cisco Routers & Switches, Cisco ASDM, F5EBL (LTM and GTM) A10 EFL (SLB and GSLB), Policy-Based Routing (PBR), HDLC, PPP, Frame Relay, ISDN, NAT, HSRP, VPN, RSA, AAA, RADIUS, Net Screen, Palo Alto, Fireman Firewalls, Juniper SRX, JIRA, Remedy, IP Centre

Confidential

Network Engineer

Responsibilities:

• Configured and installed Cisco 2500, 3640, 7200and 7940Routers.
• Troubleshoot network bandwidth performance, mismatched framing, and line coding.
• Coordinated wif LAN/WAN engineers teh development and implements a security policy.
• Monitored usage of network resources wif Cisco works and using sidewinder in PIX Firewall.
• Defined policies, NAT and anti-spoofing for internal, external networks as well as Internet gateways.
• Configured Frame-Relay, ISDN, ATM, Protocols, & load balancing switches.
• Configured IPX/SPX, HDLC, PPP, TCP/IP, BGP, EIGRP, RIP, & HSRP.
• Configured TCP/IP addressing scheme to assigned IP blocks.
• Designed network architectures and implementation of Network Switches.
• Involved in teh redistribution into OSPF on teh core ASA firewall.
• Also prepared documentation for various VLANs and Voice sub networks and worked on Visio for teh same.
• Installed and configured DNS and DHCP server.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Teh configuration of Access List ACL (STD, Ext, Named) to allow users all over teh company to access different applications and blocking others.
• Configuring STP for switching loop prevention and VLANs for data and voice along wif Configuring port security for users connecting to teh switches.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-VLAN routing, LAN security.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Involved in teh removal of EIGRP from all devices and making OSPF teh primary routing protocol.
• Involved in teh modification and removal (wherever necessary) of BGP from teh MPLS routers.
• Provide front end on-call network support 24x7x365 for all network infrastructures in teh co-operation.

Environment: Cisco Routers & Switches, Frame-Relay, ISDN, ATM, Protocols, IPX/SPX, HDLC, PPP, TCP/IP, BGP, EIGRP, RIP, HSRP, Access List ACL (STD, Ext, Named), DNS DHCP, EIGRP, and BGP.

Confidential

Jr. Network Engineer

Responsibilities:

• Installed Hard disks, Floppy drives, CD Drives, Sound Blaster cards, CPU, Memory, a Power supply unit, Network card, Video graphics card, Hard disk controller card on PC systems.
• Created scripts to monitor CPU/Memory on various low-end routers in teh network.
• Installed and configured Cisco routers 2500, 2600, 2800, 3600 series and Cisco Catalystswitch2900, 2950, 3500, 4500 series.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Responsible for reporting day to day operations of all associated hubs, routers, bridges, gateways and related equipment.
• Design, manage and troubleshoot RIP, OSPF routing environment comprised of multiple areas.
• Working noledge of frame relay, MPLS services, OSPF, BGP, and EIGRP routing protocols.
• Configured BGP for CE to PE route advertisement inside teh lab environment.
• Spearheaded meetings & discussions wif team members regarding network optimization and regarding BGP issues.
• Worked on Layer 2 protocols such as STP, VTP and other VLAN troubleshooting issues and configuring switches from scratch and deployment.
• Provided Load Balancing towards access layer from teh core layer using F5 Network Load Balancers.
• Plans, coordinates, implements and supports teh LAN / WAN hardware, software and Internet /Intranet integration network connectivity, diagnose network failures and resolve any problems.
• Validate existing infrastructure and recommend new network designs.
• Handled installation of Windows NT Server and Windows NT Workstations.
• Supported Chief Operating Officer wif daily operational functions.
• Configuring Volume groups, logical volumes, and file systems on Red Hat Linux.
• Used various scanning and sniffing tools like Wire Shark.

Environment: Cisco 2800, 3600 series routers, Cisco 4500, 3500, STP and VTP Layer 2 protocols and TSHOOT issues, LAN/WAN technologies, Wire Shark.