SUMMARY:

• 8+ years of experience in Network design, Security, Tier support of Networks in various environments.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Extensive experience working on Cisco and Juniper routers/switches in complex environments with multiple ISPs.
• Experience working on Cisco Catalyst Series3750, 4500, 4900, 6500; Nexus 2000, 5000, 6000 and 7000 series switches.
• Worked on Cisco 7200, 3800, 3600, 2800, 2600, 1800 series Routers and Cisco 2900, 3500, 4500, 5500, 6500 and Nexus 5K series switches and Sound knowledge of Routing and Switching concepts and MPLS design.
• Expert in dealing with Networking Protocols and Standards such as TCP/IP, OSI, UDP, Layer 2 (VLANs, STP, VTP), Routing Protocols (RIP, EIGRP, OSPF, BGP), WAN technologies (Frame relay, IPSec, VPNs, MPLS), QoS.
• 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.
• Experience in troubleshooting NAT configurations, Access - Lists (ACL), and DNS/DHCP related issues within the LAN network.
• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP servers.
• Experience in installing and configuring DNS, DHCP server.
• Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Experience working on Cloud Computing Virtualization using VM ware ESXi 4.0 and Windows Hyper-V.
• Installed and implemented & troubleshoot the Network Virtualization through VM Ware and NSX.
• Experience on Network Monitoring & Testing tools such as Wireshark/Ethereal, Cisco Works, and IXIA.
• Troubleshoot end-to-end call flow issues in enterprise market involving various VoIP elements.
• Intensive applications of Network automation tools and testing for network automation and configuration management using Ansible, Python scripting.
• Working Experience on web content filter and gateways like Blue Coat, Websense
• Extensive working experience in AAA protocols such as RADIUS, TACACS+ and Cisco ACS.
• Implemented VSS on Cisco catalyst 6509 and 6513 switches.
• Experience on Monitoring and Management tools such as HP Open view, Splunk, TCP dump, Solar Winds and Wireshark, Cisco Prime, NetFlow, Riverbed.
• Extensively used TCP/IP tool like TELNET for remote login to the routers and SSH for secure login.
• Working experience performing Incident, change management using ticketing tools such as ServiceNow, Remedy.
• Utilize Remedy ticket system to update network status. Exposure to Cisco WAAS, WCS.
• Installed and configured Cisco Unified Communications Manage (UC).
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
• Responsible for Configuration and administration of firewalls, which includes Checkpoint, Juniper, and Cisco ASA firewalls.
• Experience in risk analysis, security policy, rules creation and modification of Cisco ASA networks.
• Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
• Replaced aging Checkpoint firewall architecture with new next generation Palo Alto appliances serving as firewalls and URL and application inspection.
• Designed security policies on Palo Alto network firewall for controlling what traffic needs to be allowed or blocked based on customer requirements.
• Experience in configuration of Juniper security appliances SRX 220, SRX 240, SRX 550, NS 50, SSG 550M, SSG 520M.
• Established VPN tunnels between Cisco routers and Cisco Firewalls and Palo Alto Firewalls.
• Familiar with products such as Cisco ISE, Cisco ASA 5500 series firewalls and Cisco ACE 4710 Load balancers.
• Performed IOS Software upgrades on switches 6509, 4510, 3750 and Cisco ASR for compatibility with Cisco ISE.
• Implemented Cisco Application Centric Infrastructure (ACI) as a solution for data centers using a Spine and Leaf architecture.
• Used Cisco ACI Fabric which is based on Cisco Nexus 9000 series switches and Cisco Application Virtual Switch (AVS).
• Knowledge of JUNOS platform and worked with JUNOS upgrade of Juniper devices.
• Cisco ASA and FWSM, Fortinet FortiGate; F5 AFM, A10 WAF, IDS/IPS systems, and general knowledge of security features and protocols.
• Experience in F5 Load balancers such a BIG-IP LTM and GTM modules.
• Mapped, Network Diagrams and physical identification in MS Visio.
• Provide hands on management of Data Center services, including rack and cable management Experienced in the evaluation, testing, configuration and implementation of Palo Alto firewall security solutions across enterprise networks. Experience also includes working with other vendor firewalls like Cisco's ASA Firewall, Checkpoint Firewall and the Fortinet Firewall.
• Experience in adding Rules and Monitoring Checkpoint Firewall traffic through Smart Dashboard and Smart View Tracker applications.
• Experience with the Infoblox IP Address Management tool.
• Good knowledge in Network function virtualization.
• Knowledge & experience in network protocols & packet analysis.
• Extensive understanding of networking concepts, (IE. Configuration of networks, router configuration and wireless security, TCP/IP, VPN, Content Filtering, VLANs, and routing in LAN/WAN, Ethernet Port, Patch Panel and wireless networks.
• Excellent troubleshooting skills; tenaciously committed to the thorough resolution of technical issues.
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
• Administration of production Windows Servers infrastructure that includes Domain Controllers, IIS Web Servers, SharePoint, File and Print and FTP/SFTP servers.

TECHNICAL SKILLS:

EIGRP, OSPF, IS: IS, IGRP, HSRP, VRRP, GLBP, LACP, PAGP, DNS, SMTP, SNMP, FTP, TFTP, LPD/TDP, WLAN, 802.11/802.11 e, WEP, POP3 LADP, TNS.

LAN Technologies: Workgroup, Domain, HSRP, DHCP, Static, VLAN, STP, VTP, Ether Channel, Trunks.

WAN Technologies: Leased Line, Frame Relay, ISDN, PPP, HDLC, ATM, SONET, Metro Ethernet.

Network Products: CISCO Routers 1700, 1800, 2500, 2600, 2800. CISCO High End Router 3600, 3800, 7200, 12010. Cisco Routers (76xx,ISR, GSR, CRS) CISCO Switches 1900, 2950, 2960. CISCO Campus Switches 3550XL, 4984 Core Catalyst 4503, 4507 RE, ASR 1002. 6500, 4506, 4510 Catalyst 6500/6503/6507. MX-220, MX-320, SRX-480, SRX-550 and EX-4300 Juniper devices.

Security & VPN: PIX 500 Firewall, ASA 5585 Firewall, AIP SSM, CSC SSM, FWSM, Fortigate, CISCO CSM, ACL- Access Control List, IPS/IDS, NAT, PAT, CISCO ACS, Check point, sonicwall, RSA SecureID, SRX, SSG series firewalls.

Authentication: RADIUS, TACACS+, Digital certificates

Monitoring Tools: Wireshark, Nmap, Nessus, OpManager, PRTG Packet Sniffer

Servers: Domain servers, DNS servers, WINS servers, Mail servers, Proxy Servers, Print Servers, Application servers, FTP servers, Avocent Console server .

Operating Systems: Windows NT 4.0 (Desktop/Server), Windows 2000/2003/2008 server, Windows XP/7, LINUX, Solaris, Red Hat, Active Directory, UNIX,junos.

IOS,NX: OS, JUNOS, Python.

Scripting Language: HTML, Java Script, CSS

PROFESSIONAL EXPERIENCE:

Confidential, Dallas, TX

Sr. Network Engineer

• Installing and configuring new Cisco equipment including Cisco catalyst switches 3850, 3750, Nexus 5548 and Nexus 2k as per the requirement of the Organization.
• Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel on CISCO Catalyst Switches 3500, 3650, 7600.
• Configuring, Monitoring and Troubleshooting Cisco’s ASA 5500 security appliance, Failover DMZ zoning and configuring VLANs/routing/NAT with the firewalls as per the design.
• Established IPSEC-VPN tunnels with ASA 5500 series Firewall between some branch offices & headquarters.
• Successfully Design and installed Palo Alto PA-3060 firewalls to protect Data Center and provided L3 support for routers/ switches/ firewalls.
• Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools.
• Experience with working on Palo Alto Next-Generation Firewalls Security profiles
• Worked with the installation of Palo Alto firewall, migrated with a team from predominantly checkpoin t environment to Palo Alto global solution.
• Modified and reconfigured two factor authentication BIG-IP APM authentication.
• Created Access policies on APM module using AD and LDAP authentication for external clients.
• Worked on F5 Enterprise Manager 3.1 version to manage multiple F5 LTM devices from single-pane view.
• Hands on Experience configuring and testing F5 I Rules using Browser (IE), HTTP watch.
• Worked on F5 LTM series like 1600, 6400 and Viprions for the corporate applications and their availability.
• Installing and configuring F5 Load balancers and firewalls with LAN/WAN configuration. worked on F5 LTMs & GTMs to improve web application delivery speed and replication through and between distributed global data centers.
• Involved in iRule management like loading rules, writing iRule syntax using TCL language.
• Worked with Blue coat and handled the Trouble Tickets on F5 Load Balancers.
• Configuring Virtual servers (standard and performance layer 4), pools and nodes on Viprions.
• Configured Local & Central Bypass list for blue coat proxy server.
• Experience working with Juniper devices like EX-2200, EX-4200, EX-4500, MX-480, M Series, SRX650, SRX240 and Juniper J series j230, M 320 and MX960 routers. Worked on Juniper EX4200 & EX4550 switches.
• Responsible for installing and configuring Juniper QFX 3500 switch. Rebuilt old HQ with core and distribution with new Juniper QFX core switches and EX 4300 distribution switches.
• Worked on Juniper SRX 5800 firewalls to create policies using J-Web User Interface.
• Dealt with implementation of Cisco ASA 5585 devices and Juniper SRX 550 devices to apply security policies on it.
• Worked with the installation of Palo Alto firewall, migrated with a team from predominantly checkpoin t environment to Palo Alto global solution.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
• Migration from Cisco firewalls to Palo Alto firewalls platforms PA 4000 and PA 500 and PA- 200 firewalls network technologies including Optical VoIP VPN SAN switching and routing.
• Manage Cisco VOIP Networks using Cisco Unified Call Manager (Version 11.x,10.x,9.x,8.x), Cisco Telepresence, Voice Gateways, UCCX .
• I Upgraded ASA 5505S to 5525X with Firepower.
• Setup high availability ASA pair with Firepower.
• Assisting with the design and deployment of a Cisco Firepower cluster in the core.
• Implemented Cisco Application Centric Infrastructure (Cisco ACI) as a solution for data centers using a Spine and Leaf architecture
• Troubleshot complex routing and switching issues in a HSRP and GLBP environment.
• Performed Troubleshooting and monitored routing protocols such RIP, OSPF, EIGRP & BGP.
• Configuration and Monitoring of Citrix NetScaler (Both MPX and VPX).
• Worked on VM Ware migration from physical servers to virtual servers.
• Coordinate with multiple vendors (Cisco, Juniper, etc.) to troubleshoot network outages and issues
• Configuration and troubleshooting of CSM, integration with ASA devices.
• Working on security levels with RADIUS, TACACS+.
• Create a Virtual Network on Windows Azure to connect all the servers.
• Configured inside ACL, outside ACL, inside, outside interfaces.
• Configuring Static, BGP and OSPF Routing Protocols on Cisco Routers
• Environment: Cisco 3850/3750/3500/3650/6500/7600 switches, SÁ 5500 firewall, Palo Alto PA-3060 firewall, ASR router 1002/1006, juniper EX-2200, EX-4200, M-320 router, juniper SRX 5800 Fire wall, F5 LTM 1600/6400, OSPF, BGP, EIGRP, VLANS, LAN, WAN,

Confidential, Torrance, CA

Sr. Network Engineer

• Maintain, upgrade and commission of branch and campus sites connectivity into data centers and create a seamless network hardware standard across all North American branches.
• Installing, Configuring and troubleshooting Cisco Routers (ASR1002X, 3945, 3845, 2800, 3600) and Switches to perform functions at the Access, Distribution, and Core layers.
• Installing, Maintaining and Troubleshooting of Cisco ASR 1K, 7200, 3925E and 2951E Routers and Cisco 6500, 4510, 4500-X, 4948, 3560X, 3750X and 2960S Switches for deployment on production.
• Responsibilities include software upgrade, license activation, configuring/installing new ASR router 1002, 1006, Nexus switch 9000, 5000,3000, 9504, 9300, 3200, 2308, F5-5050 and maintaining network documentation.
• Experience working with High performance data center switch like nexus 9000, 7000 series.
• Experience in configuring VPC (Virtual Port Channel), VDC (Virtual Device Context) in Nexus 7010/7018.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500.
• Designed and implemented DMZ for Web, Mail & FTP Servers using Cisco ASA5500 Firewalls.
• Configured Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5000 to connect servers and storage devices.
• Configuration of Fabric path and connectivity between Nexus 5K and Nexus 7k.
• Worked as a part of data center deployment where we converted from Cisco 6500 to Nexus.
• Worked extensively on Cisco ASA 5500(5510/5540) and experience with deploying rules to the Cisco ASA solution.
• Experience with configuring FCOE using Cisco nexus 5548.
• Hands-on Experience with CISCO Nexus 7000, Nexus 5000, and Nexus 2000 platforms.
• Experience configuring VPC (Virtual Port Channel), VDC (Virtual Device Context) in Nexus 7010/7018.
• Automated network implementations and tasks and designed monitoring tools using python scripting
• Worked on F5 BIG IP LTM 3600 load balancers to configure Nodes, Pools and VIP’s on a need basis.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Configured DNS and DHCP for servers using Infoblox.
• Used F5 GTM for external DNS resolutions configured all listeners and created all zone files, A record and Names.
• Completed basic configurations on the F5 Big-IP LTMs and GTM load balancer on existing network to split traffic on web-servers.
• Server load-balancing utilizing F5 LTM-Big IP, including APM, ASM and viprion device modules.
• Configured one-time password for BIG-IP APM to add more security at the time of initialization of the application
• Experience with Using GTM, APM & LTM F5 component to provide 24"7 access to applications.
• Experience with SDN/NFV technologies including Open Stack Neutron, VM ware NSX, Open flow, Open daylight, Open v Switch, Open Contrail, or Cisco ACI.
• Configure EPG, update APIC, implement access and fabric policies in Cisco ACI environment.
• Provisioning ports in Cisco ACI to support SAN, VoIP, and hypervisors.
• C onfigured Voice ports and dial peers on the call manager for the VoIP call to reach remote destination.
• Experience with UCCX scripting, Cisco collaboration and Unified Communication portfolio.
• Provided proactive threat defense with ASA that stops attacks before they spread through the network.
• Configured and Created wireless sites using the Cisco Meraki System dashboard.
• Implemented site to site VPN on Cisco Meraki MX64, MX65, MC84, and MX400.
• Implementing Cisco Meraki Wireless network.
• Experience with LAN protocols like VSS, STP, RSTP, MST, VTP, VLAN .
• Administrated LAN and WAN with of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Configured Cisco ISE for Domain Integration and Active Directory Integration.
• Configured Cisco ISE for Wireless and Wired 802.1x Authentication on Cisco Wireless LAN Controllers, Catalyst Switches, and Cisco ASA Firewalls.
• Responsible in troubleshooting on Cisco ISE added new devices on network based on policies on ISE .
• Configured and troubleshooting Aruba Wireless products like Access Points and Mobility Access Switches.
• Performed site refreshes on Cisco switching and Aruba wireless infrastructure.
• Hands on experience in Aruba S2500 switches, Aruba 7200, 3600 series wireless controllers .
• Migrated from Cisco 3650 switches to Aruba 3810 series switches .
• Experience with Virtualization technologies like installing, configuring, VMWare vSphere. Creation, management, administration and maintenance of virtual servers and clients
• Experience with deployment of Palo Alto firewalls for different NAT, video conferencing traffic.
• Integrating Panorama with Palo Alto Firewalls, managing multiple Palo Alto Firewall using Panorama.
• Extensive Packet level debugging and troubleshooting on Palo Alto Firewalls to resolve numerous network issues.
• Implementation of L3 MPLS-VPN and Migration of branches to the new MPLS cloud4.
• Building the VPN tunnel and VPN encryption.
• Configured Site to Site IPsec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
• Configured Easy VPN server and SSL VPN to facilitate various employees’ access internal servers and resources with access restrictions
• Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN.
• Configured EBGP load balancing and Ensured stability of BGP peering interfaces
• Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes also route filtering using Route-maps.
• Implemented site to site VPN in Juniper SRX as per customer.
• Configured Policies on Juniper Net screen and SRX firewalls and Palo alto as well.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Worked on Fortinet, FortiGate firewall, Forti-Manager, Forti-Analyzer.
• Managed deployment and integration with Microsoft Lync of skype for business (sfb).
• Maintain and configure L2 and L3 services in MPLS. configured RT, RD and VRF for L3 MPLS services.
• Administration, Configuration and support for Microsoft windows Azure IAAS for us clients for migration.
• Worked with engineering team to resolve tickets and troubleshoot L3/L2 problems efficiently.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Environment: Cisco 6500/4510/4500 X/4948/3560X switches, Nexus 9000, 5000,3000, 9504, 9300, 3200, 2308,Cisco ASR 1k/7200/3925E/2951E Routers, Cisco ISE, Aruba 7200/3600 wireless controller, Nexus 2k/5k/9k, Cisco Nexus 7000, ASA 5500/5510/5540 fire walls, Windows 2000/2003/2008/ R2/2012, Juniper SRX firewall, juniper SRX, MX routers, Juniper gate way,SSLVPN, F5 load balancer LTM >M, BGP, EGBP, VPC, VDC, OSPF

Confidential, Durant, OK

Network Engineer

• Working with Cisco Nexus 2248 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture
• Configuring, upgrading and deployment of Nexus 7010, 5596 and 2248.
• Worked on upgrading Cisco ISE 3300 Appliances and 1.0.4 Cisco ISE software on VM ware's.
• Worked with Cisco ISE to identify threats in the network for rapid containment and remediation.
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525) & ASA 5500(5510/5540) Series.
• Experience with converting PIX rules over to the Cisco ASA solution.
• Configuring VPN, clustering and ISP redundancy in Checkpoint firewall.
• Worked on Checkpoint Platform including Provider Smart Domain Manager.
• Worked on configuring, managing and supporting Checkpoint Gateways
• Experienced with Checkpoint VPN rules over Cisco ASA VPN. Which filters traffic by inspecting the application layer?
• Implementation configuration and troubleshooting of Checkpoint Firewall R 77.
• Involved in Configuration of Access lists (ACL) on checkpoint firewall for the proper network routing for the B2B network connectivity.
• Worked with Host Master for shared web hosting and managed Web Application firewall (WAF), DNS and DHCP management using Infoblox and Analyzed networks using Wireshark.
• Provided level 2 phone and email support and troubleshooting of networking and VoIP issue.
• Configured the automatic policy builder using the deployment wizard tool in ASM.
• Dealt with creating VIP pools, nodes and created custom iRules for the virtual servers like cookie persistency and redirection of URL on F5 ASM cookies issues and configures ASM policies.
• Experience in Deploying and decommissioning Cisco switches, Cisco Meraki Products and their respective software upgrades.
• Implemented site to site VPN on Cisco Meraki MX64, MX65, MC84, and MX400.
• Deployed and managed Cisco Meraki products SD-WAN including Cisco Meraki Security Appliances (MX25, MX450, MX400, MX600 and MX100), Cisco Meraki switches and Cisco Meraki Wireless Aps (MR84, MR74, MR52).
• Working with BGP, OSPF protocols in MPLS Cloud.
• Establishing VPN Tunnels using IPSec encryption standards and configuring and implementing site-to-site VPN, Remote VPN.
• Experience in white listing webpages and blocking webpages with Blue Coat Proxy SG and Blue Coat reporter.
• Configured and resolved various OSPF issues in an OSPF multi area environment between multiple branch routers.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Configuring BGP, MPLS in Cisco IOS XR.
• Working on HP open view map for Network Management System and Ticketing.
• Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, Trunking, STP, Inter VLANS Routing, LAN security

Environment: Cisco ASR 1002X/ 3945/3845/2800/3600 Routers, Cisco ISE, Nexus 7010/5596/2248, ASA 5500/5510/5540, checkpoint fire wall R77, Juniper JUNOUS M & MX routers, VLAN, LAN, STP, BGP, MPLS, OSPF.

Confidential, Allentown, PA

Network Engineer

• Involved in configuration and management of different Layer 2 switching tasks which includes address learning, efficient switching etc.
• Worked on ASA firewalls and F5 load balancers
• Involved in HSRP standby troubleshooting and load balancing protocol GLBP, Port channel management of the network
• Provisioning and troubleshooting Ethernet services, Gigabit networks and Connectivity issues with WAN types (T1, E1, DS3, and Frame relay) data circuit debugging.
• Experience MPLS connectivity using VRF id and have broad knowledge on multi-protocol label switching for (MPLS-VPN) and traffic engineering (MPLS-TE)
• Configured firewall filters, routing instances, policy options, on Juniper m320 an d T640
• Dealt with the escalation problems from Level1, Level 2 & Level 3 for routing, switching and WAN connectivity issues using ticketing system Remedy.
• Designed VLAN’s, access lists (ACL), troubleshooting IP addressing issues and Updating IOS images and other hardware installations
• Cisco switch configuration in particular VLAN configuration/troubleshooting.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues
• Dealt with NAT configuration and its troubleshooting issues related access lists and DNS/DHCP issues within the LAN network.
• Experience in routing protocols like OSPF, BGP, and standby protocols like HSRP and VRRP application in the routers

Confidential, Memphis, TN

Network Engineer

• Used and maintained routing protocols like EIGRP on the Routers in the network.
• Managed the LAN Switching Environment including creating and maintaining VLANs, STP, Trunking, Port Security, Vlan Security etc.
• Involved in configuration of WAN connection using a 3600 series Router and Frame relay method.
• Implementation of NAT with a pool of 2 public IP addresses.
• Involved in installing and configuring ASA firewall.
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation.
• Designed and implemented an IP addressing scheme with subnets for different departments.
• Involved in the design & configured a LAN using 2691 series Routers and 2950 series Switches
• Install and maintain voice, video and data communications infrastructure systems and cabling.
• Used various Network sniffers like Ethereal, TCP dump etc.
• Excellent Troubleshooting skills and configuration skills.

Confidential

Network Associate

• Worked on troubleshooting customer related issues related to router Configuration, Layer 1/Layer 2 issues.
• Configured Virtual-link between discontinuous backbone areas in the network also established authentication between all OSPF routers using MD5 authentication.
• Worked on WAN Troubleshooting for circuits like T1,T3 etc.
• Monitor network performance accompanying company service level agreements (SLA’s) using Network management tools such as Cisco works and also provided necessary recommendations to improve network performance.
• Involved in configuration and management of different Layer 2 switching tasks which includes address learning, efficient switching etc.
• Involved in HSRP standby troubleshooting and load balancing protocol GLBP, Port channel management of the network.
• Provisioning and troubleshooting Ethernet services, Gigabit networks and Connectivity issues with WAN types (T1, E1, DS3) for WAN issues.
• Dealt with the escalation problems from Level1, Level 2 & Level 3 for routing, switching and WAN connectivity issues using ticketing system Remedy.
• Designed VLAN’s, access lists (ACL), troubleshooting IP addressing issues and Updating IOS images and other hardware installations.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Dealt with NAT configuration and its troubleshooting issues related access lists and DNS/DHCP issues within the LAN network.
• Involved in Configuration of Access lists (ACL) on checkpoint firewall for the proper network routing for the B2B network connectivity.
• Experience in routing protocols like OSPF, BGP, and standby protocols like HSRP and VRRP.