SUMMARY:

• Overall 7 years of experience in UNIX/LINUX Systems and Network administration for Sun Solaris 9, 10, 11 Linux (RHEL 4, 5, 6 & SUSE 9/10/11), HP - UX 10.x, 11.x and IBM AIX 4/5/6 running on X86, SPARC, Power and PA-RISC HW.
• Installed, configured and maintained UNIX/LINUX servers in an enterprise environment (Linux, AIX, Solaris, HP-UX) wif SAN/NAS infrastructure across multiple sites for business critical applications.
• Experience working wif cloud computing using Amazon EC2 services.
• Experience working on Splunk installations, upgrading the versions and also windows universal forwarder.
• Configuring and maintaining virtual server environment using VMWARE ESX/ESXi, VSphere, VCenter.
• Volume and File system management using Veritas Volume Manager (VVM) and Veritas File system (Veritas Storage Foundation).
• Experience supporting servers running Solaris 11 on SPARC T3 and T4 HW.
• Experience configuring and managing Puppet master server and also experience in updating and creating modules and pushing them to puppet clients.
• Clustering solutions for High Availability using tools such as Veritas Cluster Server (VCS), Red Hat HA (RHCS), and MSCS.
• Involved in Virtualization using VMWare ESXi 3.5/4.1/5.0/5.1/5.5 and build Linux and Windows VM’s.
• Experience on Yum and RPM packaging.
• Experience working wif different HW like HP, Dell and VCE HW like Blade centers, Rack servers and Vblock.
• Supported different tools for automation like configuration and management software puppet, scheduling software BMC, Maestro and Monitoring software’s like Nagios.
• Experience in automating jobs using shell and Perl scripts.
• Extensive experience in writing and troubleshooting scripts in ksh, bash, python & perl languages.
• Experience on different types of repositories such as GIT-Hub, SVN.
• Good noledge of RAID groups and setting up NFS, CIFS and ISCSI protocols in SAN/NAS environment on HPUX 11.23/11.31 and Red hat LINUX.
• Experience in supporting Solaris Zones and LDoM’s on T series servers running Solaris 11.
• Performed patching of Linux, Solaris, and HPUX and AIX servers on regular schedule. Involved in up Network/SAN based ignite images for HPUX PA RISC and integrity servers.
• Involved in migration set up for UNIX/Linux server and SAN storage between data centers and also application migration and testing. This included SAN/Application migration and testing various functionalities of key applications.
• Experience in SFTP/FTP.
• Extensive experience working wif automation tools like Puppet to push updates of configurations like sudo, ssh, sendmail and patches.
• Configuration and Implementation of SAN Storage such as IBM DS8000/4000, IBM ESS Shark, EMC Clariion, HP EVA, NetApp.
• Setting up NIS/NFS on Red Hat servers, setting up JBOSS cluster and oracle 10g cluster, configuring load-balancing on apache, Red Hat Linux 4.0/5.0.
• Installation/configuration for Oracle, Sybase, SQL Server, Informix Databases.
• Setup, Implementation, Configuration of Backup/Restore solutions for Disaster/Business Recovery of clients using OMNIBACK on UNIX and LINUX platform.

TECHNICAL SKILLS

Operating Systems: SunSolaris 7,8,9 & 10 Linux (Red Hat 3.x,4.x,5.x, SUSE 10), HPUX 10.20,11.11,11.23, 11.31,AIX, Windows,VMware ESX 3.x,4.x.

Hardware: Sun Ultra Enterprise Servers (E3500, E4500, E450, E420R, E250, Sun Fire (6800/4800/3800/v880/v480/v210/v440/280R/15K/25K), TSeries, MSeries, IBM F-series and P-series, IBM RS6000, DELL Poweredge 1650,2850,2950,6400. HP DL320,DL360,DL380, DL580 (G5,G6), IBM/Dell Blade Servers

Tools: Veritas Foundation Suite (VxVM, VxFS), Veritas Cluster Server (VCS),Veritas Netbackup, HP

Programming Languages: C, C++, C#, ObjectiveC, Java, HTML, JavaScript, UNIX ShellProgramming (ksh, csh, sh), Perl.

Database: MS SQL SERVER, Oracle 9, 10g MY SQL, SQLite, INFORMIX, Sybase

Middleware: Windows IIS, Apache 2.x, Tomcat 6.0,7.0, JBoss AS 4-7

Networking: TCP/IP, NFS, Telnet, FTP, DNS, DHCP, LDAP, route, Netstat, Xinetd, HTTP, SAMBA, NetApp, top, sar, vmstat

Storage: EMC Symmetrix/Clarriion, Sun Storage Array D1000, A5000, Hitachi arrays, HP EVA.

PROFESSIONAL EXPERIENCE:

Confidential, San Francisco, CA

Linux/Unix Systems Administrator

Responsibilities:

• Experience in Installed, Configuring and Maintaining Solaris/Red Hat Linux (Solaris 8,9 & 10, OEL 5/6, Red Hat Enterprise Linux 4.x,5.x & 6.2) on SPARC, x86 and Itanium server’s and Blade Centers.
• Storage Provisioning, Volume and File system Management using LVM, Veritas Volume Manager and Veritas File system (Veritas Storage Foundation), Configuring ZFS file systems.
• Configuring and maintaining virtual server environment using VMWARE ESX 5.1/5.5, vCenter, vSphere, and Solaris 10 Zones.
• Installation and Configuration of Sun Enterprise Servers, HP and IBM Blade Servers, HP 9000, RS 6000, IBM series.
• Installation and configuration of Git-Hub repository.
• Building new virtual machines using Amazon EC2 services wif different instance size for two separate regions of servers.
• Worked on Load balancer for most of the Amazon EC2 servers.
• Configured Enterprise UNIX/LINUX systems in heterogeneous environment (Linux (Red Hat &SUSE), Solaris, HP-UX) wif SAN/NAS infrastructure across multiple sites on mission business critical systems
• Setup, Implementation, Configuration, documentation of Backup/Restore solutions for Disaster/Business Recovery of clients using OMNIBACK on UNIX and SUSE & Red Hat Linux platform.
• Configured Maven for building the new projects.
• Worked on AWS to get control of computing devices.
• Involved in supporting different HW ranging from Rack to Blade and also supported vblock HW to run ESX environment.
• Experience on Open Stack application deployment and configuration and Open Stack instances.
• Installed and configured Netscape and Apache web server and Samba Server.
• Troubleshooting scripts in shell,Perl.
• Worked on Git-Hub as code repository and also on SVN.
• Performed quarterly patching of Linux, AIX, Solaris and HPUX servers on regular schedule. Involved in up Network/SAN based ignite images for HPUX PA RISC and integrity servers
• Good noledge of RAID groups and setting up NFS, CIFS and iSCSI protocols in SAN/NAS environment on HPUX 11.23/11.31 and Red Hat LINUX.
• Implementation of oracle RAC 10g on HPUX blades and Itanium servers wif Red Hat Linux RHEL 4.0/5.0 along wif SAN storage on EVAs. Also implemented and support HPUX Service guard on Linux servers.
• Installing packages used Yum and RPM packaging based on RHEL.
• Worked on MS Exchange 2010 and Lync 2010.
• Worked on Jenkins application to build and deploy puppet and different projects.
• Involved and set up migration for UNIX/Linux server and SAN storage between data centers and also application migration and testing. This included SAN/Application migration and testing various functionalities of key applications
• Setup, Implementation, Configuration of SFTP/FTP servers.
• Installing, setup of Proliant blade BL,DL series wif fiber channel connectivity, Cisco GESM interconnect switch, configuring the connectivity, setting up JBOSS cluster, setting up oracle 10g cluster, configuring load-balancing on apache, on Red Hat Linux 4.0/5.0 Setting up NIS/NFS on Red Hat servers.
• Setting up JBoss cluster and configuring apache wif JBoss on Red Hat Linux. Proxy serving wif Apache. Troubleshooting Apache wif JBoss troubleshooting for the clients.
• Setting up the lab environment wif Tomcat/Apache, configuring the setup wif F5 virtual load balancer for customer application.

Environment: Red Hat 5.6, Solaris 9/10, VMware ESX 5.0/5.1/5.5, vSphere Client 4.0, HP Proliant Servers DL 380/360,Dell Servers (R series),Windows 2008 sever, EMC Clarion, Netapp, Apache2 Web Server, F5 load balancer.

Confidential, Detroit, MI

Linux/Unix Administrator

Responsibilities:

• Administration of RHEL and AS 3, 4, 5 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5.
• System and Network Administration training, which include but is not limited to installing Linux, Solaris, UNIX internals, NFS/NIS management, and DNS Configuration
• Configuration of LVM on AIX 5.x and RHEL and extensively used LVM, created VGs, LVs and mirroring
• Creating, installing and configuring Zones, LDOMs in Sun Solaris 10using Jumpstart.
• Performs Integration, Deployment and maintenance support of system integration activities.
• Creating Linux Virtual Machines using VMware Virtual Center and AIX LPARs on P550 and P570.
• Experience working on Debian as a system admin and configuration, troubleshooting.
• Using Git-Hub to store the updated codes and all the regular deployment.
• Based on AWS cloud we configured the server reboot and increase the size.
• Regular disk management like adding/replacing hard drives on existing Linux, AIX, Solaris servers/workstations, partitioning according to requirements, creating new file systems or growing existing one over the hard drives and managing file systems.
• Provides coordination wif technical presentation to the customer. Perform data backups and disaster recovery operations.
• Experience in different types of Linux cluster RCS and GFS.
• Worked on Open Stack automation jobs as well as puppet configuration modules on Open Stack.
• Installing packages used Yum and RPM packaging based on RHEL.
• Build LPAR system and Installed AIX 5.3 and 6.1 on LPAR using NIM Power 4, 5 and 6 systems and Upgraded Maintenance level as well.
• Involves in maintenance support and troubleshooting of system deployed wif customers.
• Adding SAN using multipath and creating physical volumes, volume groups, logical volumes.
• Gathering requirements from customers and business partners and design, implement and provide solutions in building the environment.
• Installing and configuring Apache and supporting them on Linux production servers.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP wrappers, NMAP.
• Installing JBoss application, JDK 1.5, 1.6, setting up and testing Ingrain device.
• Updated the System Firmware for IBM power5 and power4 machines.
• Used LPAR Validation Tool (LVT) to validate the resources assigned to LPARs
• Setup of full networking services and protocols on AIX, RHEL including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP applications, to insure optimal networking, application functionality
• Installed and verified dat all AIX/Linux patches or updates are applied to the servers.
• Performed Installation and Configuration of NIM. Installed AIX on each node using NIM.
• Expertise in enterprise class storage including SCSI, RAID and Fiber-Channel technologies.
• Configuration of the RAID 1 and RAID 5 Storage using Veritas File system and Volume Manager.
• Experience and configured on log4j server based on log stash and elastic search.
• Installed and Configured Web sphere Application servers on Linux and AIX.
• Provide technical support to other teams, members and associates.

Environment: Solaris 8/9/10, Red Hat Linux 4/5,Debian, BMC Tools, NAGIOS, Veritas NetBackup, Korn Shell, Bash Scripting, Veritas Volume Manager, web servers, LDAP directory, Active Directory, BEA Web logic servers,SAN Switches, Apache, Tomcat WebSphere, Weblogic application server.

Confidential, VA

UNIX/LINUX-Systems Administrator

Responsibilities:

• Installation, Configuration, Administration & Trouble Shooting of Solaris 10, and RHEL 5.
• System builds from the scratch for UNIX and Linux system.
• User administration through power broker and power password tools.
• Installation and configuration of Apache, Tomcat web servers.
• Package, Patches management, migration, integration & distribution in development, testing, QA, Training, Production environment. ( Testing: UAT, SIT, OAT, Performance testing)
• Installation, Configuration and Administration of High Availability Veritas Cluster Servers for failover and redundancy purpose.
• Installation and configuration of Veritas Volume Manager, LVM, Veritas File System and Veritas Cluster Server.
• Worked and configured Log stash on the server side.
• Created User, Groups. File Systems per database requirement.
• Disk and File system management through Veritas Volume Manager.
• Managed physical and Logical volumes, Volume Groups etc. in Linux.
• Installation, Configuration and Administration of Web logic, Web sphere and Apache Servers in Solaris.
• Used Puppet to build, configure and maintain all servers.
• Implemented SUDO, SSH and other security tools and implemented SOX (Sarbanes Oxley) security compliance.
• Configuration of IPv4, IPv6 and IPSEC.
• Installation and configured Solaris 10 wif zone configuration.
• NFS Management - Take care of user accounts/groups, setting up of NFS Environment.
• Maintaining site services, it includes NIS master, slave servers, DNS servers, SAMBA servers, FTP server and Net backup server.
• Trouble shooting of day to day system and user problems
• 24*7 production and technical support.
• Advanced trouble-shooting issues in production environment raised by Tier 1 and Tier II support
• Planning and implemented Disaster Recovery sites from the scratch.
• Troubleshooting various problems, logging call wif vendors.
• Installation & configuration of Solaris Jumpstart Server.
• UNIX Shell/Perl scripting for job automation.
• Creating zones for application.
• Interacting wif various teams such as Oracle database team, and Net Backup team.

Environment: Solaris 8,9,10, Red Hat Linux AS/EL 4.0, AIX 5.2, 5.3, Sun E10k, E25K, E4500, SunFire V440/880, DMX 3 & DMX4, Siteminder, SonicMQ 7.0, VxFS 4.1, VxVM 4.1, SVM.

Confidential

Linux Administrator

Responsibilities:

• Installation, Upgrading and configuration of Red Hat Linux and Windows 2000 servers.
• Installed and Configured Web Logic 6.0/7.1 Application Server.
• Deployed latest patches for, Linux and Application servers, performed Red Hat Linux Kernel Tuning.
• Configuration and troubleshooting on Ubuntu.
• Upgraded BEA Web Logic 7.0/6.1 server wif latest service pack patches to 8.1.
• Implementation of Samba to halp printing and file sharing in the mixed Environment
• Installing and setting up Oracle8i on Linux for the development team
• Involved in creating new users, groups and setup their home directories and appropriate access restrictions to software and directories & files.
• Developed Korn and Bash shell-scripts to automate routine activities
• Migrated database applications from Windows 2000 Server to Linux server
• Configuring Windows Machines in Work Group Environment
• Create system images wif Norton ghost.
• Performance Monitoring & System tuning.
• Managed Virtual Memory and swap space on Red Hat Linux Servers.
• Configuration of DNS, APACHE, MAIL, DHCP & FTP Servers in Red Hat Linux 3.x/4.x.
• Written Shell scripts to run Batch Jobs using cron and at.
• Implementing Raid levels and changing Boot PROM values according to the requirement.
• Configuring modems & printers.
• Documenting the configurations, changes made on any part of System and Network.
• Involved in Backup of data on DAT tape drive, security, performance and availability of system and network.
• Provided support by 24x7 shift rotation basis and pager support.
• Monitored trouble ticket queue to attend user and system calls, attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.

Environment: Red Hat Linux 3.x/4.x/5.x., Ubuntu, Windows 2000/NT 4.0, Apache 1.3.x, 1.2, 2.x, IIS 4.0 and Oracle 8i, bash/ksh shell, Samba, DNS, Apache, MAIL, DHCP & FTP.

Confidential

Jr.System Administrator

Responsibilities:

• Installation and configuration of Red Hat Linux and windows NT server.
• Monitoring System performance and do kernel tuning to enhance the system Performance.
• Configuration of NIS, NFS, sends mail on Solaris and Tru64.
• Configuration of Hardware and Software RAID on Digital & Sun Servers.
• Writing Shell scripts for system maintenance and automation of server.
• Backup management and recovery policies.
• Installation and configuration of Oracle (7.x/8.x/8i)
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
• Allocating system storage and planning future storage requirements, Database Backup and Recovery, Exporting and Importing Database, Creating Database triggers for security & data manipulation.
• Trouble shooting of day to day system problems
• User account management and support.
• Assist in 2nd level support of user email and printer issues in Windows and UNIX environments.

Environment: Linux 3.x/4.x, Windows 2000, Sar, Iostat, VMstat, MPstat, tar, and cpio.