Linux/vmware System Administator Resume
NC
SUMMARY:
- 6+ years of professional experience in Linux, VMware and System Administration with expertise knowledge in Cisco Routing and Switching and Netapp/Dell SAN Storage administration.
- Extensive knowledge and experience in the Systems Administration Projects
- Installing and configuring Red Hat Enterprise Linux 5 on ESXi 4.1.1 based environment residing on Confidential Blades as required for UAT/Production.
- Deploy and Configure Red Hat Satellite Server 5.4, including creating maintaining any customized kickstart configuration channels to deploy RHEL.
- Installing and updating packages using YUM (custom YUM Servers/repositories), Red Hat Satellite Server.
- Responsible for Administration, Installation, Upgrading, Migration, Configuration, Troubleshooting, Security, Backup, Disaster Recovery, Performance monitoring and Fine - tuning of UNIX systems on different OS levels.
- Extensive use of LVM, creating Volume Groups, Logical volumes, and disk mirroring, Fix the Problem with the partially mirrored Logical volumes.
- Perform User Account management, data backups, and user’s logon support.
- Implemented, configured and deployed new patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite server and YUM server.
- Providing 24x7 on call support, documented and assisted customers with day to day Red Hat Enterprise Linux server issues.
- Professional experience with VMware VSphere 5.0 VCenter 5, VMotion and Storage VMotion
- Experience with integrating VMWare ESXi hosts with Dell Equallogic PS6000 SAN Storage.
- Experience with Netapp & IBM Storage .
- Experience creating and configuring VMKernals for ISCSI storage and VMotion.
- Experience working and configuring Volumes on EMC Clarion and Dell Equallogic SAN storage.
- PowerCLI 5.0 experience
- Network Devices: Enterprise Cisco Routers 3800 series, 3600 series, Catalyst Switches 3500 series, 3700 series, Cisco ASA 5500 series
- Protocols: TCP, STP, ARP, VLAN, FTP, DHCP, HTTP.
- Good hands on experience on Basic Routing and Switching on Cisco Switches and Routers
- Basic Network configuration for LAN/WAN and WLAN.
- TCP/IP configuration on hosts and subnetting.
- Configuring and assigning VLANs on switches
- Hands on experience installing, configuring & administering Network services like DHCP and DNS services.
- Extensive knowledge in installing, managing and supporting the Active Directory Environment
- Supported a large scale Data Center projects including server installation, hardware maintenance, and break/fix activities
- Performed system administration activities, security policies and monitored system performance both at software and hardware levels
- Exceptional troubleshooting, organizational, interpersonal, written and verbal communication skills.
- Coordination and interaction with dedicated global customers, Account Management and Infrastructure team to meet SLAs.
PROFESSIONAL EXPERIENCE:
Confidential, NC
Linux/VMware System Administator
Responsibilities:
- Performed automated installations of Operating System using Jumpstart, Kickstart for Linux.
- Installation of patches and packages.
- Installation and configuration of Apache, Websphere.
- Disk and File system management through LVM ( Confidential -UX, AIX, Linux)
- Experience with configuring and managing Virtual disks, Disk Mirrors and RAID 0, 1 and 5 levels.
- Provided functional and technical support, troubleshooting and diagnosing hardware and software problems, including desktop, laptop, WAN, LAN, and remote systems.
- Assisted in the installation and updating of software, as well as the setup and troubleshooting of all equipment.
- Maintaining the CPU & Memory utilization of Unix/Linux Servers reports on the WEB.
- Extensively worked in data and database migration from older machine to latest configurations.
- Installation, setup, configuration, security administration and maintenance for flavors of servers.
- Implemented Security Hardening per company policy using Solaris 10 features.
- Supported 24/7 high availability production servers
- Complete periodic checks of production and development systems; CPU utilization, memory profiles, disk utilization, network connectivity, system log files, etc.
- Implement and manage a VMware vSphere 5 virtual infrastructure consisting of 5 physical ESXi hosts and redundant NetApp iSCSI storage SAN devices in a High Availability datacenter environment hosting over 50 virtual server machines.
- Worked with EMC and Dell Equallogic SAN Storage for integrating with ESXi 5.0 Hosts on the virtual environment at Marvell Data Center Lab
- Respond to the needs of projects that may require installation of servers, setting up test environments, or modifying the configuration of existing hardware equipment.
- Created Virtual Environments using VSphere 5 for Cisco Call Manager (CUCM 8.6) installations.
- Daily trouble shooting of SAN Storage boxes (EMC Clarion and Dell Equallogic PS series).
- Configuration of iSCSI storage initiator and NFS mounts in ESXi Servers.
- Installation, configuration, testing, support of VMware ESX server and Virtual Center. Create/Mange Virtual Machines (VM) and create templates/images to deploy VMs.
- Technical assistance for Cisco Routers and Switches
- Coordinate with technical vendors for network maintenance and up-grading issues
- Troubleshooting VLAN, Inter-VLAN Routing and other technologies on Cisco switches (L2/L3)
- Using debugging tools and lab simulations to analyze problems and identify solutions
- Researched existing and emerging technologies
- Provide technical assistance for issues including STP, RSTP, VLAN on Cisco 3500 switches
- Cabling experience Cat5, Cat6, Fiber-(Droping cables, crimping, testing cables)
- Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies.
- RPM and YUM package installations, patch and other server management.
- Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system
- Worked efficiently using Veritas NetBackup on development and production servers for backups and restores.
- Created LVMs on Linux servers.
- Configured Disk Encryption & Partition Encryption on Linux Servers.
Environment: Red Hat Linux 5.2, 6.2, VMware Esx 4.0,Esxi 4.1, 5.0, Vsphere 5 Virtual Infrastructure, Dell Equallogic, Cisco Router and Switches, CUCM 8.6, Netapp iSCSI, EMC Clarion.
Confidential, Santa Clara, CA
Linux/Vmware/Windows System Admin
Responsibilities:
- Worked on with EMC Clarion CX 320 to create volumes, Replication partners, Replication Volumes on the Protected and DR Sites.
- Created Volumes on the EMC Clarion box and performed performance troubleshooting (IOPS).
- Creating and managing Virtual Machines and Templates. Working with snapshots of Virtual Machines.
- Worked on Dell PowerEdge R610 and Confidential DL380 Servers.
- Basic Network Configuration on Cisco Routers and Switches (1800, 3550 and 2800 and 2600 Series).
- VLAN Configuration on switches.
- Installed the Red Hat Linux OS (RHEL 5 and 6) on servers.
- Cabling tasks from IDF rooms to cubes and MDF rooms.
- Experience with Telnet, Putty, SSH.
- Deployment and administration of Apache web server and Tomcat application server on Linux platforms.
- Experience in configuring volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
- Familiar with Disk Management Utility. Used daily for file system creation and file system management.
- Responsible for the management of servers and duties include regular and proactive monitoring of servers, responding the alerts.
- Building Windows 2008 Servers and upgrading Windows 2003 on both physical and virtual machines.
- Administering Windows 2003/2008 Active Directory, DNS, DHCP and building new windows physical/virtual servers as per the requirement of the project
- Provided top level technical support for Confidential ProLiant Server hardware and software issues and coordinated all Server related change activity within the Data Center.
- Responsible for server decommission/reassignment and Network cabling.
- Responsible for maintaining current software and hardware patch updates for all servers.
- Responsible for documenting and maintaining complete and accurate information for all active and decommissioned servers.
- Demonstrated ability to gather relevant information and diagnose issues effectively and efficiently
- Assisted in troubleshooting user problems relating to Network Connectivity, and TCP/IP configuration.
Environment: Vmware Esx 4.0,Esxi 4.1, Vsphere 5 Virtual Infrastructure, Dell Equallogic, Cisco Router and Switches, VMware Clusters, Red Hat Linux 5.2, 6.2, Win 2003/2008/2012
Confidential, San Francisco CA
Linux/VMware Admin
Responsibilities:
- Administering, Monitoring and giving solutions to networked servers such as Domain Controllers (Active Directory), File & Print, DHCP, DNS, and (DELL and Confidential in Windows 2003/2008 Servers) to all countries in Latin America Remotely via Intranet, Extranet, and Internet (VPN).
- Maintaining in optimal conditions and up-to-date the Windows 2003/2008 Server OS and Hardware at a standard basis on these servers as well as installation and device replacements.
- Managing and Administering Dell and Confidential Servers and Disaster Recovery process, High Availability (Uptime), Rack Installations, APC UPS Systems, consoles, SAN, Storage. Intel Infrastructure knowledge.
- Maintain company LAN, WAN, VPN, security and backup systems, Install and configure network, server and desktop hardware - Software.
- Maintaining the Support with Vendor SLA.
- Creating new VM's and Installing different guest OS like Windows server, and Linux.
- Part of the migration team to consolidate the majority of Solaris 10 environment to RHEL 5.5
- Writing script for day to day activity for scheduled task using shell scripting.
- Day to day duties for Unix/Linux server maintenance and support to developer's team for application issues, tuning, troubleshooting, software running on Linux Servers.
- Installed and configured several hundred Red Hat Enterprise/Oracle Enterprise Linux Servers in both Physical Blade and VMware ESXi Virtual Environment.
- Setup and Configured Red Hat Satellite and Kickstart Servers for Red Hat Enterprise Linux installs and RHN Push Updates.
- Documented all the installations, Updated Support tickets and coordinated with offshore support team.
Environment: Vmware Esx 4.0,Esxi 4.1, Vsphere 5, VMware Clusters, Red Hat Linux 5.2, 6.2, Win 2003/2008/2012 Servers OS platforms .
Confidential, Boston, MA
Junior Desktop Support Engineer
Responsibilities:
- Giving desktop support to clients such as network issues, mapping network drives in order to access data.
- Formatting, Reinstalling Operating Systems, Installing office and other software.
- Backing up client data at desktop level.
- Changing and repairing hard disks to clients.