SUMMARY:

• 8+ years of experience in architecture, deploying and upgrading systems; including hardware, software, networks, databases, servers, and peripheral equipment and analysis for a broad range of LAN/WAN/MAN communication systems.
• Thorough understanding of TCP/IP networking, IP routing, and core technologies such as ACLs, VPNs, DNS, DHCP, VLANs, VTP,WLANs, STP, ARP, DHCP, DNS, HSRP, OSPF, EIGRP, BGP, MPLS, NAT, etc.
• Involved in Configuring and implementing of Composite Network models consists of Cisco 2950, 3500, 5500, 6500 Series switches and Cisco7600, 7200, 3800 series routers.
• Experience working in a complex high availability data center environment.
• Working knowledge on Network and server monitoring and management tools like Nagios, CA Spectrum, BlueShark and SolarWinds Confidential .
• Experience and Familiar with Virtualization technologies like installing, configuring, administering VMware ESX/ESXi and Citrix Xen Server. Created, managed and maintained VMs.
• Experience in iSCSI SAN, NAS, NFS storage and RAID concept.
• Architect and implement migrations from on premise messaging platforms to Microsoft Office 365.
• Experience in Cisco Physical cabling, IP addressing, Wide Area Network configurations (Frame - relay & MPLS), Routing protocol configurations (RIP, EIGRP, OSPF, BGP)
• Experience in working with IPSEC Site to Site, Remote VPN using different encryption methods.
• Experience in IP Multicasting and QoS Administration and network vulnerability management.
• Configuring and maintaining Site to Site and client to site VPN over IPSEC, GRE & MPLS
• Expertise with day-to-day data center operation tasks, including rack/stack, network switch/port configuration, server decommissioning
• Experienced in Troubleshooting for connectivity and hardware problems on Cisco Networks.
• Experience in creation and deployment of applications in Amazon Web Services.
• Management of services by using the VMware vRealize Automation.
• Experience in iSCSI, SAN, NAS/ NFS storage and RAID concepts
• Profound knowledge on various WAN technologies like E1/T1/E3/T3, HDLC, Frame-Relay and PPP.
• Provides technical leadership for problem escalation and resolution.
• Adept in preparing technical documentation and presentations using Microsoft Visio/ Office.
• Familiar with PCI standards, Cisco wireless management system
• Motivated, enthusiastic, and pro-active System Administrator with an excellent 'can-do' attitude.

TECHNICAL PROFICIENCY:

Operating Systems: Microsoft Windows 2012/2008/2003 , Microsoft Active directory 2012/2008/2003 , RHEL 5.0,.5.5, Unix, Centos, Ubuntu.

Virtualization: vSphere 4.x, 5.x, 5.5, 6.0 vCenter, VMware Update Manager, FT, HA, DRS, VMware Workstation, P2V/ V2V Conversion, Citrix Xen Server, Hyper-V,Platespin

Hardware: HP Proliant Servers, Dell Blade servers, network printers, Fortigate, Palo alto, Cisco UCS,1700 Routers &Nexus 4500, 2600 series Switches, Cisco ASA 5500, EMC Celerra, Emerson Power networks.

Cloud: AWS EC2, EMR, Windows Azure, Google Cloud.

Ticketing & Monitoring: CA Service Desk, CA Spectrum, CA ITCM, What’s up Gold, Nagios, Ganglia, qualys vulnerability management tool, vRealize, PlateSpin Recon.

WORK EXPERIENCE:

Confidential, Pleasanton, CA

Network Administrator

Responsibilities:

• Designed, implemented and managed Organization Unified WirelessNetwork/Infrastructure
• Implement, establish, and manage Secure VPN connection (SSL, IPsec) with remote offices and external clients’networks
• Installed and configured Cisco Nexus 5k switches for organization’s VMware and Citrix XEN APP infrastructure
• Designed and implemented an Active/Standby firewall configuration for fault tolerance.
• Improvednetworkdependability with implementation of redundant ISPsnetworkconfiguration.
• Configurations and Troubleshooting of Multicast Routing and EIGRP
• Design Network for new sites as well as existing sitesand Implementation of Designs for new sites and existing site
• Deployed Virtual machines, configured them with IP, installed VMware Tools and hardware.
• Installed Solar Winds Confidential for the management of cisco devices in the environment.
• Configuring HA, DRS clusters, creating Affinity rules and configuring FT when required.
• Performed capacity planning for new clusters.
• Handled the VMware solutions to support multiple storage connectivity options such as FC-SAN, iSCSI,NFS (NAS).
• Migrated Virtual machines of windows environment to linux by using PlateSpin.
• Monitoring the network, troubleshooting network problems, implementing changes, communicating and working closely with vendors, customers, system administrators
• Provided day-to- day system administration and technical support for Windows 2003, 2008 and 2012 Servers.

Environment: Windows 2008 R2/2012, Cisco 2950, 3500, 4500, 6500 Series switches and 7300, 3900 series Routers and Cisco ASA 5500 firewall, Solar winds

Confidential, Chicago, IL

Network Administrator

Responsibilities:

• Install and configurenetworkand security equipment such as firewalls, routers, switches and load-balancers in a high-availability environment.
• Monitoring and Configure Cisco router series 1800, 2600, 2800 & catalyst 2900 & 3500 series switches.
• MaintainedCiscoswitches within company policy and guidelinesand monitored SolarWinds for network outages or interruptions and manage IP addresses.
• Collaborated with Network Engineer to configureCiscoRouters and Switches to bring new sites online.
• Performed firmware and software driver upgrades on equipment when needed.
• Participated in 24/7 standby rotation supporting customers' equipment after normal hours
• Troubleshooting Local and Wide Areas Network (ISDN, Frame relay, NAT, DHCP, TCP/IP).
• Configuration of Access List ACL (Std., Ext, Named) to allow users all over the company to access different applications and blocking others.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Installed, upgraded, and verified hardware and software applications and laptops, desktops, and printers companywide.
• Responding to user’s tickets and Configured wireless networks
• Upgraded and imaged operating systems, replaced RAM, LCD screens, and hard drives
• Provide on-call support, troubleshooting, incident notification and resolution, problem management and root cause identification.
• Troubleshoot Frame Relay; T1, T3, IP and OSPF related router and circuit issues.
• Experience with troubleshooting DNS, DHCP, IIS and Active directory.
• Provide technical supports for Microsoft outlook 2007/2010.

Environment: Cisco 2600,2800 routers, Cisco 3500 Switches, Cisco Meraki, F5 Load Balancers, Wireshark, SolarWinds, Ironport, Nagios, Lync, Office 365.

Confidential

Network Administrator

Responsibilities:

• SeniorNetworkAdministratorto multiple 24/7 LAN/WANs and Peer to PeerNetworks and maintainsnetworkdevices/software including upgrades, port activation, fixes, and patches
• Daily System Monitoring, System Management, System Maintenance and Monitoring and management of Cisco switches and routers.
• Update Knowledge on VMware Products Day to Day meanwhile attending the OEM Technical Seminar.
• Involved in the setting up of QoS parameter multicast bandwidth adjust application
• Prepare and Submit Scope of work to the Customers.
• Excellent analytical, communication, interpersonal and decision-making skills; motivated to rapidly acquire new skills on the job.
• Profound knowledge of Network analyzers like Wireshark and management tools such as CA SPECTRUM and Whatsup Gold.
• Install Capacity Planner to collect reports of physical servers to sizing the Servers.
• Install, configuring and managing Multiple Virtual Machines guest OS like windows, Linux, Ubuntu and cent OS.
• Used PlateSpin Recon for the inventory management.
• Provisioning VMs from VMware Template, Clone and take Snapshot on demand.
• Update and upgrade Patches for ESXi servers and VMs through Vcenter Update Manager.
• Ensured that the network connectivity throughout the LAN/WAN infrastructure was on par with technical considerations.
• Designed, configured, setup and maintained various network equipment's such as routers, switches, servers and desktops.
• Adding new users and assigning mails by using the office 365.
• Performed application and infrastructure integration and migration, created policies.
• Performed environment builds and stability test, pilot and production environments.
• Work with ISP carriers in troubleshooting client's WAN circuit.

Environment: Cisco 2600 and 7200 series,VMware Vsphere, ESXI 5/5.5, QoS, IP Multicast, office 365, AWS, Godaddy. VMware HOL, vconverter, Linux/Unix servers, P2V conversion.MS Lync.

Confidential

System Administrator

Responsibilities:

• Performnetworkadministration duties including creating and deleting user accounts, directories, mailboxes, and maintaining printers in a Windows Active Directory environment.
• Assist end users in hardware, software andnetwork/domain troubleshooting, including remote support.
• Day to day PC & laptop hardware & software maintenance.
• Installing and configuring and Administration of VMware ESXi 5.1.
• Creation of Virtual Switches, Ports and Port groups.
• Installing, configuring, administering, troubleshooting VMware server on ESX platform and VMware client, workstation.
• Enabling of lockdown mode in vSphere Web client to restrict the remote to login to the host.
• Responsible for planning, designing, and implementing new technologies within network infrastructure
• Create and test Cisco router and switching operations using OSPF routing protocol.
• Internet routing protocol operation, building fan out configurations, network audit and end-to-end network engineering.
• Instance creations in Amazon AWS & Windows Azure Cloud Management.
• Performed routine maintenance on servers for all locations, including remote office
• Application Deployments in AWS & DNS Forwarding from
• Configured all necessary network configuration IP address subnet mask etc.
• Email accounts created in the office 365 and supporting the products of office 365 to the users.
• Run and crimp CAT5/6 cabling when needed
• Maintain client's internal IP Telephony system by setting user's IP phone and voicemail.
• Excluded IP range and defined lease duration.
• Configured DHCP Options; reserved IP address and defined MAC addresses.
• Enabled DHCP services using the networking services console
• Installation and Configuration of Windows Office365 & Outlook.

Environment: Windows Server 2008/R2/2012, Windows IIS, Active directory, office 365, Amazon Web Services, Godaddy Domain Hosting, Sql Server, MS Visual Studio, VMware Esxi 5.1, Ring Central and Avaya VoIP. MS Lync

Confidential

Datacenter/Network Administrator

Responsibilities:

• Perform and assist withnetworkinfrastructure support.
• Design and implementation of Remote Installation Services for seamless operating system installations.
• Installation, configuration and support for several proprietary applications, including Microsoft Volume Licensing.
• Setup and maintenance ofnetworklab for software deployment testing.
• Installation and maintenance of Cisco 1700 series router.
• Experience on Windows server 2003 enterprise and 2008 enterprise edition.
• Management of HP ProLiant & IBM Server.
• Network monitoring by using what’s up Gold Application.
• Administration of tier III Datacenter.
• Implementation of 2Mbps leased lines throughout the State WAN.
• Configuring Cisco switches and firewalls using Cisco IOS command line interface
• Administration of Cisco 1700 series Router.
• Implemented group policies to enhance network security and functionality
• Ordered and installed new servers and network appliances.
• Maintained a log of required server repairs and maintenance
• Provided tier-2 and tier-3 IT support
• Supervised the Help Desk, making sure all tickets were resolved in a timely manner, leaving the customer satisfied with the resolution
• Directed several department wide computer hardware and software upgrades.

Environment: Windows Server 2003/2008/2012 , Windows IIS, RHEL 5.0, HP Poweredge, Cisco 1700 Routers, What’s up Gold.

Confidential

Network/ Tier III Data Center Engineer

Responsibilities:

• Configuration and troubleshooting issues related to access lists and DNS/DHCP issues within the LAN network.
• Performed switching technology administration including VLANs, inter-VLAN routing, STP, RSTP port aggregation & link negotiation.
• Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configured HSRP and VLAN trunking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Creating and managing VMware cluster.
• Installing, configuring and managing of VMware Virtual Centre 2.5, 4.0 and 4.1.
• Virtual Networking (Virtual Switches, VM Kernel Ports)
• Working on critical incidents and Preparing and maintain technical solution documents like Root Cause Analysis RCA.
• Management and configuration of virtual servers by using the vCenter and vSphere.
• Administration using CA Tools and LAN administration using remote admin tools for Remote Servers.
• Setup and use virtual boxes for clean terminals, testing, etc.
• Worked on Datacenter maintenance tasks and Performed Data Center Asset Management.
• Client-side Citrix terminal services installation and troubleshooting
• CA ITCM (IT Client manager) Agent Implementation and support.
• Network performance monitoring by using Fluke Networks.
• Responsible for monitoring, troubleshooting, configuring, and deploying LAN/WAN solutions.
• Monitoring and maintaining the logs of Firewalls (IronPort, Fortigate).
• Performance logs checking of Datacenters Emerson Power Networks by using the Liebert OpenComms Webcard.
• Checklists Preparations using remote admin tools for remote servers.
• Monitoring the Datacenter power management system by using AVOCENT monitoring tools.
• Monitoring and management of Kaspersky Antivirus server.

Environment: CA Spectrum, CA ITCM, Fortigate 640B, Windows Servers 2000/2003/2008 R2, Cisco Switching and Routing, Fluke Cable Testers, VMware ESXi 5.0, Dell Blade servers and HP Superdome, Citrix XenApp, EMC Celerra. Emerson PDU.

Confidential

Network Engineer

Responsibilities:

• Commission and Decommission of Hardware
• Rack and Stack of Networking systems and Familiarity with Patch Panels
• Planning, Implementing and Managing the Cabling within a Data Center
• Maintain WhatsUpGold network monitoring system.
• Coordinating with service providers for WAN link outages.
• Worked on Heterogeneous Networks such as Frame Relay, Ethernet, Fiber, etc.
• Understands the issues involved in administering and maintaining corporate infrastructure, including network connectivity, Internet access, email, etc.
• Utilize working knowledge of Local Area Network (LAN) and Wide Area Network (WAN)
• Responsible for doing software upgrades on Cisco routers and switches, and configured Cisco switches.
• Configuring Routing protocols (Static and Dynamic).
• Participating in new implementations with team members as part of daily activity.
• Creating technical notes and user guides for new software and database for end users.
• Perform technical expertise for windows systems environments on issues related to servers, local services.

Environment: Windows Server 2000/2003/2008 , IIS, RHEL 5.0, HP Poweredge, Cisco 1700 Routers.