PROFESSIONAL SUMMARY:

• Over 7+ years of strong IT experience as a System Administration in Sun Solaris, Linux( Red hat Enterprise Linux, OEL, SUSE, Ubuntu, CentOS), HP - UX, Web logic and Windows (NT/XP/2003/2008) Operating System with extensive implementation & troubleshooting experience under Client, Server Systems.
• Strong knowledge on networking/firewall design and communication
• Extensive experience in Installing, trouble shooting, upgrading and configuring SUN Solaris 2.x,7,8, 9, 10 & 11on Sun/Oracle Servers and Red hat 4/5/6, HP-UX 10.x,11.x, SUSE 10/11/12 Operating Systems, Mail Server/ Proxy Server .
• Proficient working with NAS, SAN and DAS storage architectures; also have experience migrating storage from other storage architectures on to SAN.
• Configuring and Administering NFS, DNS, NIS, DHCP, NIS+ and LDAP on Sun Solaris and on Linux server environment.
• Creating and Managing user accounts, system security, performance tuning, change management, Documents and procedures on Linux.
• Experience installing, trouble-shooting and performance tuning of various Application Servers/Clients like Websphere, Web Logic, Tomcat, Apache, JBoss, Oracle, DB2 & iPlanet Messaging Server.
• Efficiency in installing, configuring and implementing the RAID levels (0, 1,5,01, 10) Technologies using various tools like Veritas volume manager, Solaris volume manager and Linux volume manager.
• Installing and configuration of Red hat Enterprise Linux (RHEL) & SUSE on HP Blades and Dell Blade Servers (Dell R710, R720, R510 and R910, IBM Blade Servers).
• Experience in Installing and configuring the Red Hat Satellite Server and experience in automation using Puppet and Shell Scripting.
• Installing, configuring Solaris volume manager (Solstice disk suite 4.2.1) & Veritas Volume Manager. Installed & Configured HBA (PCI/PCI-X) in SAN storage. Configured & Installed ALOM (Advanced Lights Out Manager) & Load Balancer.
• Virtualization administration and configuration (VMWare, VMWare ESX, Xen).
• Created HTML forms and used PERL as CGI scripting language for online querying and reporting.
• Ability to write & debug Shell Scripts using ksh & bash, Hands-on solving of day-to-day operational issues, Resolution of technical issues on system integration and support; Software package and patch installations.
• Exposure on Web logic, web sphere, Oracle, Data Warehouse and Sun Java Enterprise system (Sun JES), MySQL.
• Expertise in Veritas Volume manager (VxVM), Creating new file systems, mounting file systems and UN mounting file systems.
• Experience in Load Balance Linux systems by Linux Virtual Server (LVS) for High Performance and High Available of Linux clustering Technology.
• Experience in BIOS UPGRADE and OS installations and configurations and maintenance
• Organize the RHN Satellite Servers in combination with RHN Proxy Server.
• Installation Configuration and Administration of VCS, File System using VERITAS Volume Manager 3.x/4.x/5.x and Solstice Disk Suite 4.2, Disk arrays and quotas.
• Installation of web logic, upgrade to service packs updates, installed. BEA patches, configuring and creation new domain, start and stop web logic server.
• Strong experience in setup, deployment and configuration of RHEL based servers in an enterprise environment.
• Excellent knowledge of Client/Server architecture, OSI layers, TCP/IP networks.
• Specialist in automation (writing Shell & Perl scripts) to monitor UNIX production applications.
• Experience in automation using Python, Shell and Perl scripting and also experience in using automation tools like Puppet, Chef and Docker.

TECHINICAL SKILLS:

Operating SYSTEM: Sun Solaris 11, 10, 9, 8, 7, Red Hat Linux 3.x, 4.x, 5.x, 6.x, SUSE 10/11/12, Ubuntu, OEL, CentOS, Windows NT/2003/XP/2000.

Hardware: Sun Ultra Enterprise Servers (E3500, E4500, E450,E420R,E250,Sun Fire (6800/4800/3800/v880/v480/v210/v440/280R/15K/25K), Sun Workstations (Ultra 5, 10,20,Blade 100,150,2000), SunstorEDGE A1000 and D1000, HP 9000 series, IBM RS/6000, p Series, x Series. Dell R710, R720, R510 and R910, IBM Blade Servers

Network Protocols: SMTP, SNMP, ICMP, TCP/IP, FTP, TELNET,UDP, and RIP, iSCSI, Fibre Channel.

Software and Tools: VERITAS Volume Manager 3.x/4.x,WinSCP, FTP, SSL, VERITAS Cluster Services, Cisco CNR, Send mail, Puppet, Docker.

Backup Management: VERITAS Netback up 4.x/5.x/6.x, Solstice Disk Suite, tar, dd, cpio

Tape Hardware: Storage tape libraries L40, L80, L180, L700, SL500, SL8500, DAT & DLT, STK 9940B, 9840B, LTOs.

Web/Application Servers: Tomcat, Apache, Web logic, Webspere iplanet and JBoss

Database: Oracle,DB2,Sybase

Languages: C/C++, HTML, Shell Scripting, Perl, Python, Puppet

PROFESSIONAL EXPERIENCE:

Confidential, Bothell - WA

Linux/Unix/Devops Administrator

Responsibilities:

• Installed and configured Solaris 10/11 on Sun T and M Series servers Mirrored root disks on all the servers by using ZFS & VxVm.
• Providing 24 x 7 supports to various application level server level & network level Monitoring and troubleshooting of any datacenter outages. Day - to-day administration on Sun Solaris which includes Installation, upgrade and loading patches.
• Installation Red hat Linux Enterprise Server 5/6 on Dell and HP x86 HW.
• Installed, managed Verities Volume Manager 5 (VxVM) on Solaris 10. Created Veritas File Systems.
• Production support of Apache and JBoss including installation, configuration, management and troubleshooting.
• Installation and monitoring of Veritas Volume Manager, Veritas NetBackup and Veritas Cluster Server on SAN Environment.
• Involved in installing Puppet client on Redhat & Solaris servers for Automation purpose.
• Established new user accounts and password. Added and configured hardware devices like hard disks, network interfaces.
• Installation of Web logic, upgraded to service pack updates, installed BEA patches, configuring and creation new domain & services starting & stopping.
• Installation of Oracle on Linux and Solaris, creating database, creating Oracle users etc.
• Veritas Netback up installation, Catalogue backup and maintenance Backup/restore on ADIC (Intelligent Storage - Scalar i2000k - Library Management Console) using server Windows NT/2000 & Sun Solaris server and checking the job failures.
• Planning and implementing Backup and Restore procedures using Ufsdump, Ufsrestore, Tar” and “Cpio”.
• Monitoring day-to-day administration and maintenance operations of the company network and systems working on Linux and Solaris Systems.
• Installed and maintain RHEL and SuSE provisioning servers for efficient builds per best practices
• Installed and configured the Red Hat Linux 5.1 on HP-Dl585 servers using Kick Start.
• Configured the NIS, NIS+ and DNS on Red Hat Linux 5.1 and update NIS mapsand organize the RHN Satellite Servers in combination with RHN Proxy Server.
• Installed and configured the RPM packages using the YUM Software manager.
• Configured root disk for its clustered file system on RED HAT LINUX5.X.
• Configured logical volumes using logical volume manager (LVM) and also configured mirroring.
• Kick start the Red Hat Linux RHEL 6 on HP Power edge servers and Cisco UCS servers.
• Deploying Veritas Clusters and Oracle 8i test databases to implement disaster recovery strategies, ensuring uninterrupted availability of the global systems.
• Configured Logical storage Manager (LSM) for root disk encapsulation and implemented root disk mirroring for fault tolerance.
• Experience in BIOS UPGRADE and OS installations and configurations and maintenance
• Installation of Web logic Application server, upgraded to service pack updates, installed BEA patches, configuring and creation new domain & services starting & stopping. Installation of Oracle10g on Linux and Solaris, creating database, creating Oracle users & export and importing database, creating rollback segment etc.
• Production support of Apache, PHP, My SQL, Tomcat including installation, configuration, management and troubleshooting.
• Involved in developing custom scripts using Python, Perl & Shell (bash, ksh) to automate jobs.
• Merged the generated reports as per request. Formatted data into required format using UNIX Shell Scripts, SED and Awk.
• Defining and Develop plan for Change, Problem & Incident management Process based on ITIL.
• Networking communication skills and protocols such as TCP/IP, Telnet, FTP, NDM, SSH, rlogin.
• Installed HBA cards and upgraded Firmware in VMware ESX and RHEL. Created large volumes using LVM from the EMC LUN's. Resized the volumes online in RHEL AS 4.0..
• Written shell scripts and Perl scripting to take backup oracle database.
• Security auditing using Korn programming. Shell Programming for day to day system administration.

ENVIRONMENT: REDHAT LINUX 4.x, 5.x, 6.x, SUN fire T2000, T4k, M 5000, and Veritas volume manager 5.x, Veritas Net backup 6.5, Web logic 10.x.

Confidential, Charlotte, NC

Unix/Linux /Devops Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Solaris and Linux operating system.
• Installation and Administration of Red Hat Enterprise Linux 3, 4, 5 SLSE10 using Kick startincluding performance monitoring, scaling and capacity planning and hardware maintenance of Sun fire servers.
• Installation and administration of TCP/IP, NFS, DNS, NTP, Auto mounts, Send mail and print servers as per the client’s requirement.
• Co-ordinate with web admin team in installation of BEA Web Logic Server 8.1.
• Experience with EMC storage devices ClariionFC4700/CXx and Symmetrix DMX).
• Experienced with HP storage Works SAN Switches 2/16v (Brocade silkworm).
• Installation of web sphere, upgraded to service pack updates, installed IBM patches, configuring and creation new admin & managed servers, start & stop Web sphere server.
• Linux kernel, memory upgrades and swaps area. Red hat Linux Kick starts Installation Sun Solaris Jump start Installation. Configuring DNS, IDNS, DHCP, NIS, NFS in Sun Solaris 8/9 & other Network services.
• Problems & performance issues; deployed latest patches for Sun, Linux and Application servers, Performed Solaris and Red Hat Linux Kernel Tuning for TCP stack.
• Installation and configuration of Red hat Linux 8, 9.0, Suse on Dell, Proliant and Enterprise Server 4.0.
• Configuration of Naming Services like DNS, DHCP, NIS, LDAP Novell eDirectory. Implementing Master and Slave servers for NIS, DNS.
• Worked on the administration of theWeb Logic 9, JBoss 4.2.2servers including installation and deployments.
• Systems monitoring and administration of Servers for day-to-day problems, patches, user administration, hardware failure, monitoring log files, backup, software up gradation, configuration changes and documentation in Red Hat Enterprise Linux 4.0 and 5.0.
• Installation and configuration of Veritas Storage Foundation Suite, Volume Manager, Cluster Servers & Veritas File systems (Vxfs).
• Written shell scripts and Perl scripting to take backup oracle database.
• Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Installation and configuration of Oracle 8/9i database on Sun Solaris Servers.
• Integration of Linux/Solaris with Active Directory (LDAP).

ENVIRONMENT: Red Hat Linux 8,9.0,Suse, Sun Solaris 8/9, HP-UX 11.0,11i, HP DL- 320/360/380/560/580L servers, EMC storage devices, Tivoli Storage Manager 5.x, web sphere, Oracle 8/9i/RAC, Apache 2.x/3.x.

Confidential, Richmond - VA

Linux/Solaris Systems Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Solaris and Linux operating system.
• Installed & configured Sun Fire 210, V240, V440, V490, V880, 1280 & HP ProliantDL-320/360/380/560/580 L Servers.
• Problems & performance issues; deployed latest patches for Sun, Linux and Application servers, Performed Solaris and Red Hat Linux Kernel Tuning for TCP stack.
• Installation of Web sphere, upgraded to service pack updates, installed IBM patches, configuring and creation new admin & managed servers, start & stop Web sphere server.
• Created Role Based Access Control (RBAC) for users.
• Linux kernel, memory upgrades and swap area. Redhat Linux Kickstart Installation Sun Solaris Jump start Installation. Configuring DNS, IDNS, DHCP, NIS, NFS in Sun Solaris 8/9 & other Network services.
• Installation Redhat Linux 8, 9.0 on Dell, Proliant, Enterprise Server 4.0.
• Installation and administration of TCP/IP, NFS, DNS, NTP, Auto mounts, Send mail and print servers as per the client’s requirement.
• Installed, managed Verities Volume Manager 3.5 (VxVM) on Solaris 9.
• Experience with EMC storage devices ClariionFC4700/CXx and Symmetrix DMX).
• Experienced with HP storage Works SAN Switches 2/16v (Brocade silkworm).
• Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
• Installation and configuration of Veritas Storage Foundation Suite, Volume Manager, Cluster Servers & Veritas File systems (Vxfs).
• Written shell scripts and Perl scripting to take backup oracle database.
• Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Installation and configuration of Oracle 8/9i database on Sun Solaris Servers.
• Integration of Linux/Solaris with Active Directory (LDAP).

ENVIRONMENT: Sun Solaris 8/9, Red Hat Linux 8,9.0, Samba, Sun fire (210,V240,V440,V490,V880,1280) Servers, HP DL-320/360/380/560/580L servers,EMC storage devices, Tivoli Storage Manager 5.x, web sphere, Oracle 8/9i/RAC, Apache 2.x/3.x.

Confidential, Austin TX

Unix/Linux System Administrator

Responsibilities:

• Installation, configuration, maintenance and support of Red Hat Linux 4.0, 5.0 and Solaris 7/8/9.
• Installing and configuring of Samba for heterogeneous platform.
• Installation, configuration and maintenance of local and Network based Printers.
• Worked with Netstat, Prstat, Iostat monitoring commands.
• Implemented the file sharing on the network by configuring NFS on the system to share essential resources.
• Support Production Systems, which involved day-to-day operation and Desktop support (Local and Remote).
• Configured NFS Servers, NIS+ Servers, NIS+ Clients, Diskless clients and Auto clients and auto mounted the file systems using direct and indirect maps also setup entries in /etc/dfs/dfstab in Solaris share file systems and mounted the disks onto the client systems.
• Worked with Global NOC (Network Operations Center) with a team of 20 with key emphasis on optimal systems performance and maximum uptime of 24x7 operations.
• Monitoring & troubleshooting of any datacenter outages. Day - to-day administration on Sun Solaris which includes Installation, upgrade & loading patches & packages.
• Responsible for Trouble shoot various systems problems such as core dump analysis, network problems and hardware related problems.
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
• Disk and File system management through Solstice Disk Suite on Solaris and other logical volume manager for other flavor of UNIX.

ENVIRONMENT: Sun Solaris7/8/9, Red Hat Linux 4.0, 5.0, Jumpstart, LDAP, Sun Java Directory server 5.2, Sun Fire X4100, X4200, X4440 and X4500, Sun Fire 2900, 4900, 6900, Sun Enterprise Server T5140, T1000 and T2000 and M4000, M8000, Clarify, Remedy Ticketing Systems, Solstice Disk Suite, Oracle 7.x/8.x.

Confidential

Linux System Administrator

Responsibilities:

• Experienced as Red Hat Enterprise Linux and AIX Systems Administrator and also performed support role for applications on mission critical Enterprise Networks and Multi-server environments.
• Experience in Administration, implementation and support of OS RHEL 4/5.
• Experienced in the kick-start installations, support, configuration and maintenance of RHEL 5.5, Sun SPARC, x86 and x86-64 Servers under heterogeneous environments.
• Experienced on patches installation, patch upgrades and packages installation on Red Hat Linux servers by using RPM & YUM.
• Shell and Perl scripts to automate daily repetitive activities.
• Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Installation, integration and management of data backup/recovery solutions. Management and configuration of VMware virtual machines running Oracle/Sun Solaris X86/64, Red Hat Enterprise Linux and Oracle Linux server.
• Performed server installation using Kickstart, Network, and DVD on physical servers, VMware.
• Build Apache2 web server in Solaris and Apache in Redhat, FTP and NFS
• Build and deploy Linux hardware Nodes to host several KVM templates.
• Implemented and administered VMware ESX 3.5/4.1 for running the Solaris X86 and Redhat Linux Servers and performed migration activities from p2v.
• Installing and configuring Apache and supporting them on Linux production servers.
• Creating, Updating, and maintaining the NIS databases. Creating NIS Clients.
• Installation, configuration and maintenance DNS servers, Mail servers, FTP servers, NFS,NIS, NIS+, RPM and Samba Web servers on Redhat Linux and CentOS.