SUMMARY

• Highly motivated and technically strong Unix and Linux System admin with around 7 years of experience seeking an opportunity to fully utilize current technical and management expertise in a challenging environment.

TECHNICAL SKILLS

OS: Redhat Linux 4.0 5.0, Solaris 8/9/10, HPUX 11i V1 & V3, VMWare ESX 3/4/5, SUSE 9,10, Windows - (XP, 2003 & 2008 server, WIN7).

Hardware: HP Proliant DL 360, 380 G3, G4, G57 G6, Sun Ultra Enterprise Servers (E3500,E4500,E450,E420R, 250,M4000,M5000,T2000,T5120,T5220,T5220,T5240) Sunfire 15000/6800/4800/3800/ v880/V480/V240/V210/ V440/280R) Sun workstations (Ultra 5, 10, 20,80 Blade 100,150, 2000)

Server Monitoring Tools: HP Open view, Nagios,HP Sitescope

Networking: DNS, DHCP, NFS, FTP, NIS, Samba, SSH, IP-Tables, Apache, TCP/IPVirtualization VMware infrastructure client, workstation, Converter standalone clientMicrosoft virtual PC and Linux virtualization, VSphere, Zones

SAN: EMC Clariion, EMC DMX, NetApp filer and HDS AMS Arrays.

Volume Management: Redhat LVM, Solaris Volume Manager, Veritas Volume Manager, ZFS

Tools: VERITAS Cluster Server 4.1, 5.1, VERITAS Volume Manager 4.0, VERITAS File Systems, Solstice Disk Suite, VERITAS Net-Backup 5.0, and Remedy 6.0, 7.1

PROFESSIONAL EXPERIENCE

Confidential, Phoenix, AZ

Sr. Unix/Linux Administrator

Responsibilities:

• Installed and configured of hardware and OS (Solaris 10, SUSE and RHEL 4/5) on x86 and SPARC servers.
• Build servers, configured, installed tools, installed patches and transitioned servers to production support.
• Experience creating and managing HP Proliant DL G4, G5, G6 & G7, C7000 Blade Centers.
• Manage file systems using Software RAID and recover an array, Manage file systems using Logical Volume Management, Resize file systems and protect them with LVM Snapshots.
• Configure dynamic and static network settings for IPv4 and filter packets, Review file system management concepts, removable media and configure NFS shares with AutoFS.
• Configured Kick start, Jump Start & NIM servers to install Red Hat Linux, Solaris and IBM AIX on multiple machines.
• Involved in virtualization with VMWare ESX vSphere 4.1 and created VM’s and performed P2V and P2P migrations.
• Supporting application’s like JBoss and Weblogic along with Front end webservers like Apache.
• Installed patches to latest patch level, applied patch cluster and installed software packages as needed.
• Experience working with Java applications like Weblogic, Websphere and JBoss.
• Monitoring the hosts and networks using Iostat, VMstat, MPstat and Other Tools
• Creating user accounts, user administration, local and global groups on Solaris and Red Hat Linux platform.
• Experience working Solaris Zones/Containers and new features of Solaris 10, zone reconfiguration and file system layout modification of the containers supporting the Sybase database.
• Disk mirroring and RAID implementation using VERITAS Volume Manager and Solaris Volume Manager.
• Experience working with configuration management tools like puppet.
• Installed VERITAS Volume Manager and Powerpath on Red hat Linux servers.
• Security implementation through ACL, RBAC and TCP Wrappers.
• Installing, configuring, and administering DNS, NFS, NIS, Mail servers, FTP servers RPM servers on Sun Solaris and Red Hat Linux platforms.
• Installation and maintenance of Syswatch Monitoring tool in Solaris Server, wring core rules to various Solaris servers.
• Resolving regular tickets on Hawk, Syswatch and ping probe Monitoring tools.
• Configuring Solaris Zones in Solaris 10. (Creating Whole root zone, Sparse zone and implementing branded zones, zone cloning, zone migration).
• Controlling the System Logging services, and examining system Log Files of all system events.
• Firmware upgrade on T2000, T5220, T5240, T5120 and T5140 and VTM patch on Solaris ervers.
• Responsible for troubleshooting and maintenance of VERITAS cluster under Solaris 10

Confidential, Charlotte, NC

Sr. Systems Administrator (Linux and Solaris)

Responsibilities:

• Worked in Mission Critical Production environment that deals with OS level issues through the Enterprise.
• Regular Admin Tasks include building Linux servers for Production, Development and Test Environments and supported the ones under production.
• Performed OS upgrades for critical servers under production.
• Experience in creating file systems on LVM, VxVM
• Performed various file system changes to accommodate upgrades in applications, services and databases.
• Maintained OS/APP backups for Linux and Solaris servers
• Managed critical bundles and patches on the production servers after successfully navigating through the testing phase in the test environments.
• Worked on the virtual environments through the virtual ware clients like VMIC/ VSphere.
• Responsible for evaluating Storage Foundation Cluster File System for possible production use.
• Monitoring the hosts and networks using NAGIOS, Iostat, VMstat, MPstat and Other Tools
• Manage software on system using YUM, and RPM
• Worked on the Windows servers, upgrading the OS, resolving issues and patching regularly with Shavlik
• Worked with HP Integrated Lights Out (iLo) software in effectively managing the server under cluster environment.
• Implementing file sharing on the network by configuring NFS/SAMBA on the system to share essential resources.
• Good knowledge in structuring the documentation for Architectural Design and Build Plan Documents.
• Managed Disks and File systems using LVM on Linux.
• Performed day to day health check and maintained the servers by taking the down time from the users.
• Performed configuration and troubleshooting of services like NFS, NIS, DHCP, FTP, LDAP, Web servers (Apache), Samba servers
• Installation of Cent OS 4.x manually and upgrading through YUM installation.
• Provided afterhours and weekend support to facilitate the issues in the production environment.

Confidential, Bronx, NY

Systems Administrator

Responsibilities:

• Worked in a huge enterprise environment with 250+ Solaris servers.
• Experienced in the installation, support, configuration and maintenance of Sun Servers/workstations.
• Installing, upgrading and configuring Solaris 9, 10, Red hat Enterprise Linux 4, 5.1
• Worked with MySQL database installations and configurations.
• Created documentation for technical details on hardware and networking.
• Worked in 24/7 support environment for network and systems support.
• Utilization and Implementation of VMware at the full implementation range using the complex features of VMware connectivity with SAN, HA and DRS configuration. Worked on V-motion in VMware.
• Installing and Configuring nodes on a VERITAS Cluster in a SAN environment, adding VCS agents for Oracle, Sybase, troubleshooting fail over issues, resource management .
• Worked in deploying Linux and Windows virtual machines in VMware. The implementation involves SAN connectivity with VMware.
• Performed multiple Linux kick start installation both on VMware and physical servers
• Configured and distributed virtual machines on different hosts and configured v-motion. Performed template installations.
• Performing p2v migrations in Windows and Linux OS.

Confidential, Raleigh

Systems Administrator

Responsibilities:

• Installing, upgrading and configuring SUN Solaris 8, 9 and 10 on Sun Servers using Jump start.
• Plan and implement assigned projects, change management, on-call support, and hotline bridge participation.
• Installation and monitoring of Zone File System, Veritas Volume Manager, Veritas Net Backup.
• Troubleshooted various problems when working with VxVM in initializing, replacing, mirroring, and removing disk devices.
• Experience in providing day-to-day user administration like adding/deleting users and managing user’s queries and maintained Server using Cfengine.
• Worked with and assisted customers with setting proper Priority/Severity of problems, work problems to resolution, recorded/documented actions in databases as well as utilized tools and resources.
• Installation, configuration and maintenance DNS servers, Mail servers, FTP servers, NFS, NIS, RPM, Zones, LDAP and Microsoft Active Directory & Samba Web servers on Sun Solaris, Linux platforms.
• Troubleshooting and analysis of hardware and software failures for various Solaris servers (core dump and log file analysis).
• Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system / user requirements.
• Network Administration - involving day-to-day routine checks, Configuration of LAN adapters, Routing, NFS, DNS and Troubleshooting.
• Implemented crontabs, shell scripts for automatic jobs.
• Restored files for end-users when necessary.
• Experienced in tasks like managing User Accounts and Groups, managing Disks and File Systems.
• Performing tasks related to technical support & management.
• Installed and configured Windows 2003 servers.
• Performing Backup and restore.
• Created user roles and groups for securing the resources using local operating system authentication.
• Analyze system performance, client to server traffic and server to server traffic.

Confidential

System Administrator

Responsibilities:

• Responsible for conducting and verifying the validity of daily tape backups of the servers.
• Responsible for maintaining the LAN in “state of the art” condition and to assess th e quality and reliability of existing hardware, software, operating systems and network components that comprise the LAN, and make recommendations for upgrade or replacement where necessary
• Configured the email servers to make the electronic mail capabilities of the server operational at peak performance at all times.
• Responsible for monitoring the state of the network and general network throughput.
• Troubleshooting technical issues related to printers, e-mail, internet connections, operating system and hardware
• Used remote desktop support for trouble shooting few tasks.
• Adding, removing, or updating user account information, resetting passwords, etc.
• Participated in network planning, design, development, deployment, and modification.
• Managed the physical network infrastructure, including wired and wireless local area network (LAN) and also managed the data communication needs of the company.
• Monitored bandwidth use, analyzed traffic patterns and volumes, and determine the impact/implications of issues.
• Server maintenance and troubleshooting. Including software security updates, operating system updates, performance tuning, log analysis, maintaining application updates and bug fixes.
• Maintained mission critical servers - hardware, software’s and operating systems.
• Resource management and disk space management - removal and addition of peripherals.
• Diagnosis and surveillance of the network related problems

Environment: Windows 2003, Solaris, Linux