SUMMARY

• Around 7+ years of extensive experience in Installation, Configuration, Upgrading, Support, and Maintenance of various Linux flavors like RHEL, SUSE, CentOS, Debian, Ubuntu, Unix flavors like Sun Solaris, IBM AIX and Windows Servers.
• Handled routine maintenance with latest Security updates and software update.
• Experienced in configuration of DNS, NIS, NFS, LDAP, FTP remote access on Linux and Solaris.
• Extensively worked on VERITAS File System (3.x/4.x/5.0), VERITAS Cluster (3.x/4.x), VERITAS Volume manager and Logical Volume manager for disk management and mirroring.
• Expertise in Building and supporting environments consisting Testing, Contingency, Production and Disaster Recovery Servers.
• Hardware configuration, installation and management on Sun, HP servers and Workstations.
• Handling and generating tickets via the Remedy ticketing tool.
• Implemented automation tools such as Puppet, Chef.
• Strong Shell scripting skills, worked on various scripts for automation and monitoring servers, handling and manipulating raw data into required formats using scripting tools like sed, awk, cut, knowledge on Python, Crontab and Puppet.
• Hands on experience in Puppet deployment, dashboards configurations.
• Hands on experience on creating Docker containers and Docker consoles for managing the application life cycle.
• Hands on experience on monitoring operational and performance metrics using Cloudwatch forAWS clouds.
• Experience in creating EC2 instance in the cloud(AWS).
• Installation, Configuration and Maintenance of Samba, Apache Tomcat, Web Sphere and JBoss servers in Sun Solaris and Linux environment.
• Experienced with installation, configuration of RAID volume management using Veritas Volume Manager and Solstice disk suit on Solaris Disk across & Quotas.
• Implemented day - to-day tasks in RedHat Linux include upgrading RPMS, kernel, HBA driver, configure SAN Disks, Multipathing.
• Experience on backup and recovery software like Veritas Net backup 5.0 and 6.0 on Linux environment.
• Configuration and administration of Fiber Card Adapter’s and handling of SAN (SAN arrays HITACHI, EMC).
• Knowledge of Routers, Switches, Hubs, Firewalls, LAN, WAN Intranet.
• Experience in architecting, setting up data centers and migration of applications.
• Strong analytical, diagnostics, troubleshooting skills to consistently deliver productive technological solutions.
• Providing 24/7 technical support to Production and development environments.
• Excellent client relation skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively with all levels of management and the client community.
• Experienced in creating and maintaining users, profile, security rights, disk space and process monitoring.

TECHNICAL SKILLS

Operating Systems: Linux- Red Hat, Fedora, SUSE, Debian, Ubuntu, CentOS

Unix - IBM-AIX, Sun Solaris, HP-UX: Windows - NT/ 2000/2003/2007 Server/XP Pro/Vista/7

Hardware: Dell PowerEdge servers X86, HP ProLiant BL680c G5 server,Sun Enterprise 420,420R, 450, 3500, 4500, 6500 Servers, Sun fire 4800 & 6800, N- Class Servers, Sun Sparc work stations, AMD64 ABI X86, HP 9000 servers, IBM R6000, PSeries, Cisco Routers and Switches.

Storage: NetBackup, SAN EMC Symmetrix 800/ DMX1000, 2000 & 3000, EMC Clariion 500, 600, 700, NetApp NAS 2000/ 3000 series

Web /Application Server: Apache Tomcat, WebSphere, WebLogic

Languages: Bourn shell, Korn shell, C shell & Perl Scripting

Software and App servers: Solstice Disk Suite, VERITAS Volume Manager, VERITAS Net backup, DHCP, NFS, NIS, DNS, SSH, LDAP, DHCP, Apache Web Server and HP Smart Array.

Clustering: VERITAS Clustering

Databases: Oracle 8/9i/10,11G, DB2 and MySQL

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

Unix/Linux Administrator

Responsibilities:

• Installed, Configured and Maintained RedHat Linux Red Hat Enterprise Linux 5.x, 6.0& 7.x on SPARC, x86 and Blade Centers.
• Worked on Virtualizing Red hat servers using vSphere 6.0 and managed ESX servers using vCenter and worked with ESX Cluster and VMotion.
• Build and configure more than 1500+ Redhat Linux physical and virtual servers for Delta Airlines disaster recovery site.
• Responsible for installation and upgrade of patches and packages on RHEL 5/6 using RPM & YUM.
• Develop methods to automate routine infrastructure tasks such as deployment and maintenance duties using Ansible.
• Experienced in Puppet, SaltStack for Deployment on Multiple platforms.
• Installed and configured foreman with puppet, SaltStack for auto-provisioning the Linux machines in VMware environments.
• Involved in creating new users, groups and setup their home directories and appropriate access restrictions to software and directories & files.
• Managed Virtual Memory and swap space on RedHat Linux Servers.
• Mirroring of root disks using Hardware Raid Controller on HP & Dell HW.
• Experience in volume and filesystem management using Logical Volume Manager (LVM).
• Experience working with HP and IBM Blade centers to consolidate data centers.
• Installed and configured various software applications and packages such as Apache, WebLogic, Oracle 11g & 12c.
• Troubleshooting and performance tuning of various systems problems such as application, network and hardware related issues.
• Monitoring the servers using tools like Nagios and providing 24x7 on call support rotation basis.

Environment: Redhat EL 5.x, 6.x & 7.x, Redhat Satellite server, SuSe 10, IBM x3650, IBM HS22 Blade Center, IBM x232, IBM x236, T2000, T5120, E220, E420, 450, V240, V880/890, E3500, BL460c, Dell M1000e, M600, SF 440, SaltStack, EMC Power Path, EMC-Avamar NetBackup, IBM Storage Manager, HP, Oracle (10g/11gR2&12c), Cisco UCSD&UCSM, Korn shell, VMware ESX6.0, VMware vSphere ESX6.x.

Confidential, Sunnyvale, CA

Unix/Linux Administrator

Responsibilities:

• Installed, Configured and Maintained Solaris/RedHat Linux (Solaris 8, 9 & 10, OEL 5/6, Red Hat Enterprise Linux 4.x,5.x & 6.0) on SPARC, x86 and Blade Centers.
• Supported Red hat servers in Production and Development environments.
• Worked on Virtualizing Red hat servers using vSphere 4.1/5.0 and managed ESX servers using vCenter and also worked with ESX Cluster and VMotion.
• Configured and created multiple VM’s and Virtual IP’s in Apple Infrastructure Team.
• Created and Maintained Whole root and Sparse Root Zones/Containers.
• Installed and Configured RedHat Linux Kickstart and booting from SAN.
• Configuration and administration of Fiber Card Adapter’s and handling of SAN (SAN arrays, HITACHI, EMC).
• Performed SAN Migration on RHEL and Solaris servers.
• Installation and configuration of backup clients like Avamar and Veritas Net Backup on Linux servers.
• Experience working with HP Open view client and server configuration.
• Experience in writing scripts to automate jobs and debugging scripts.
• Experience in using protocols like NIS, NFS, SSH, SFTP & DNS.
• Installation of Solaris 9, 10 using Jumpstart, Redhat EL 4.x, 5 using Kickstart/PXE and SuSe Professional desktop 10x.
• Experience with technologies such as: Apache, Tomcat, MySQL, SaltStack.
• Installation and support of various applications like WebLogic server 10, WebSphere 6.1 JBoss 4.x, Apache 2.x, Oracle 9i, 10g, MySQL on Solaris 10.
• Administration of WebSphere Application Server 6.x with Network Deployment, and Extension Deployment, on RedHat Linux.
• Mirroring of root disks using Hardware Raid Controller on HP & Dell HW.
• Experience working with HP and IBM Blade centers to consolidate data centers.
• Experience configuring Emulex Converged Network Adaptors by Installing One Command on RHEL servers.
• Creating volumes using storage for VMAX Array on Redhat & Solaris servers.
• Data migration at Host level using Red Hat LVM, Veritas Volume Manager and Solaris LVM
• Troubleshooting and performance tuning of various systems problems such as application, network and hardware related issues.

Environment: Solaris 8, 9, 10, Redhat EL 4.x,5.x,6.x, SuSe 10, IBM x3650, IBM HS22 Blade Center, IBM x232, IBM x236, T2000, T5120, E220, E420, 450, V240, V880/890, E3500, BL460c, Dell M1000e, M600, SF 440, Infra Enterprise, SaltStack, EMC-Avamar NetBackup, IBM Storage Manager, HP, Cisco Works, Korn shell, VMware ESX3.5, VMware vSphere ESX4.0.

Confidential, Atlanta, GA

Unix/Linux Administrator

Responsibilities:

• Building of more than 50 new HP servers in an existing cluster, Installing Red hat 5.8 (Tikanga) using Kickstart and configuring them at network and filesystem level.
• Provided support on applications like Splunk and Web-Methods.
• Upgraded Splunk application from 5.0.7 to 6.1 and also have expertise in configuring Forwarders on Splunk, installing and using of applications on Splunk, performing Splunk searches.
• Provided support for more than 300 Red hat web-methods servers.
• Performed system performance monitoring, created alerts and benchmarking for performance analysis on all application & production servers.
• Developed multiple shell scripts for system monitoring and converting raw data into Splunk format.
• Provided troubleshooting solutions through automations and monitoring system stats on Splunk applications with the help of Splunk-dashboards during new release.
• Working in war-room, providing continuous technical support throughout release and production period.
• Expertise in handling crisis during heavy load on servers and maintaining zero downtimes.
• Monitored server and application performance & tuning via various stat commands (top, sar, iostat, vmstat, netstat, mpstat, prstat, nfsstat, prtconf, prtdiag, printmgr, hpimli view, dmidecode, smc etc) and tuned I/O, memory etc for SUN Solaris and RHEL Servers.
• Fixed LDAP replication for the client. Configured the backup strategy between multi master’s servers through replication. Provided product presentation on Virtual Directory, Directory Proxy Server and Migration of Directory Server.

Environment: Redhat 5 & 6; Solaris 9,10; HP Gen 8 Blade and Rack mount Servers, IBM RS/6000; Splunk 5,6 servers; Web Methods 9.1 Integration servers, MySQL Database servers; Ksh & bash shell environment; Infra Enterprise, EMC-Avamar Net backup, IBM Storage Manager, HP, Cisco Works, Korn shell, VMware ESX3.5, VSphere ESX4.0.

Confidential, Atlanta GA

Unix/Linux Engineer

Responsibilities:

• Administration of Sun Servers (SPARC and x86) running Solaris10 and Dell, HP Servers running SUSE, Red hatEL3, 4.x, 5 which included jumpstarting, performing live upgrades of Solaris operating systems and Kick-starting RedhatEL3, 4.x, 5.
• Administration and support of Unix Servers including SUSE, Solaris, HP-UX& Redhat Linux and CentOS.
• Creation of whole root and sparse root zones on Solaris 10 and administering of services using SMF.
• Creation of VMs for SUSE, Solaris x86 and Redhat Linux on VM Ware ESX 3.5 and administering them with VI Client.
• Performed volume management using Veritas Foundation Suite5, SVM and LVM and the creation ofzfs, VxFS, UFS and ext3 file systems.
• Installation and support of various applications including WebLogic10, JBoss 4.2.x, Oracle 10g, Sun Java System Web Server 7, Tomcat, JDK1.5, Ant.
• Managed cisco switches, routers, firewall Network devices.
• Performed regular disk management adding hard drives on existing servers and allocating space to required partitions.
• Creating and maintaining user accounts, profiles, permissions disk usage and process monitoring.
• Provisioning of LUNs from SAN based on Mc Data Switches and Hitachi Based Storage.
• Patch management using native commands on Solaris and Linux and following the chance control procedures.
• Performance tuning and troubleshooting of the applications and resolution of issues arising out of the ticketing systems in Remedy.
• Monitoring the servers using tools like BMC and Nagios and providing 24x7 on call support rotation basis.
• Managed NetApp networked appliances.
• Set up monitor tool to measure application availability and performance.

Environment: SUSE 9,10, Solaris 8, 9, 10, Redhat EL 3, 4.x, VM Ware ESX 3.5, Virtual Center 2.5, BMC Patrol for Unix, Apache 2.2.x, Sun Java System Web Server 7, WebLogic 10, ksh, bash, Oracle 10g, Sun SPARC Enterprise T2000, T5120, Sun Fire v890, 6800, x4100, x4150, E6900, M5000, M 8000, 3510, 3511, Hitachi Lightening 9970v.

Confidential, Tampa, FL

Systems Engineer

Responsibilities:

• Installation of Solaris 10 operating systems on SPARC platforms.
• Managing systems scheduling jobs, enabling cronjobs, and enabling system and network logging for maintenance and testing.
• Set up user and group login ID's, network configuration, managed resolving permissions issues and user and group quotas.
• Provided technical support to customers needing assistance with account administration including user creation, maintenance, password resets and locked accounts.
• Involved in Level 1 and Level 2 support with Symantec clients and worked on troubleshooting VERITAS Products.
• Created projects on Solaris 10 to tune the operating system for installation of applications like VERITAS products.
• Installing, administration and troubleshootingofApache2.xweb server, which included tasks like creating virtual hosts, installing SSL s etc.
• Installation of VERITA Son Solaris and Linux servers and creation of disk groups and volumes.
• Worked on installation and administration of VERITAS cluster on Solaris and Linux environments.
• Managing configuration of VERITAS Volume Manager and VERITAS Cluster.
• Performance monitoring and tuning of the applications and OS using iostat, ndd commands on Solaris servers.
• Installation of patches on Solaris and Linux servers to support VERITAS Products.
• Worked on crono login Linux servers for managing the logs of the web servers.
• Was involved in documentation of the procedures.
• Respond to customer service calls and service desk tickets placed in queue providing maintenance support.
• Provided technical support to customers needing assistance with account administration including user creation, maintenance, password resets and locked accounts.
• Documented internal procedures in to company SOP.

Environment: SUSE 9,10, Solaris 8, 9, 10, Redhat EL 3, 4.x, VM Ware ESX 3.5, Virtual Center 2.5, BMC Patrol for Unix, Apache 2.2.x, Sun Java System Web Server 7, WebLogic 10, ksh, bash, Oracle 10g, Sun SPARC Enterprise T2000, T5120

Confidential

Unix/Linux Administrator

Responsibilities:

• Responsible for Installation, Configuration Management, Maintenance and Systems Development of Red hat Linux and Sun Solaris systems.
• Monitored and administered Servers for day-to-day problems, patches, user administration, and hardware failure, monitoring log files, backup, software patching, configuration changes and documentation.
• Installed, upgraded and configured SUN Solaris 9/10/11 on Sun Servers using Jumpstart and Red hat Enterprise Linux 5/6 using kick start.
• Installed & configured Guest operating system like Red hat and Sun Solaris on VMware ESX 3.5x.
• Performed UNIX System Administration. Fine tuning, Kernel debugging, process scheduling, disk and file system I/O, kernel internals, TCP/IP communications.
• Configured the LUNs assigned by the storage administrators, and managed Volumes using Logical Volume Manager (LVM) on Linux.
• Installed and maintain Puppet-based configuration management system. Designed and deployed the Nagios implementation, Implemented Puppet modules to automate configuration of a broad range of services.
• Managed user accounts and groups on a large scale in LDAP and NIS environments.
• Troubleshooting and analysis of hardware and software failures for various Solaris servers.
• Involved with the deployment teams in troubleshooting and fixing day-to-day problems of the applications in production on 24/7 schedule.
• Post build configurations, checks, updating, security checks, file systems, permissions and packages.
• Working with backup/storage team for backups and storage allocation for applications.
• Monitoring severs and resolving tickets assigned to group, troubleshooting different application related issues/provisions.
• Performed Memory and Swap management to improve optimization and performance of the servers.
• Installed, configured and managed Oracle 10g RAC/ 11g RAC, Standby databases.
• Configuring and Administering Oracle 11g Automatic Storage Management (ASM).
• ASM disk creation, ASM Data groups and ASM File creation.
• Installation of Packages and required Patches to the application.
• Setup, configuring and backup management using VERITAS Net Backup.
• Daily Monitoring of Net Backup activity and reporting to proactively avoid issues.

Environment: SUN Solaris 8/9/10, RHEL 5.x/6.x, VMware ESX3.5x, Apache 2.2.x, SuSE EL 9/10,WebLogic 8.x/9.x, Sun Fire T1000, T2000, Sun M9000, M5000, M3000, Sun X3-2, X3-4, HP C Blade System, BL460c, BL420c EMC, VERITAS Storage Foundation 5, VERITAS Cluster Server 5.1, VMware.

Confidential

System Engineer

Responsibilities:

• Responsible for supporting Linux servers for production, development and testing.
• Installing, Configuring and Maintaining the DHCP, DNS, NFS send mail server.
• User Account Management, Group Account Management, configuring dumb terminals, adding modems, formatting and partitioning disks, manipulating swap, local and remote printer management, taking and restoring backup, scheduling jobs.
• Performance tuning and preventive maintenance. Performed daily backup.
• Performed addition of Swap space at run time.
• Performed installation and configuration of LDAP.
• Resolving TCP/IP network access problems for the clients.
• Implementing Remote System Monitoring with Sun Microsystems.
• Performed administrative tasks such as system startup/shutdown, backups, Printing,
• Documentation, User Management, Security, Network management, configuration of dumb terminals.
• Performing extensive Logical Volume Management (LVM) tasks.
• Open-source development, including code contributions to Bcfg2, MUNGE, pdsh, SLURM,VMware Ruby.
• Troubleshooting backup and restore problems and performed day-to- day trouble shooting forthe end users on Solaris and Linux based servers.
• Develop, Maintain, update various scripts for services (start, stop, restart, recycle, cron jobs).
• UNIX based shell, Perl.

Environment: Linux (RedHat Enterprise, CentOS), Centos, Windows 2003, HP, IBM, Solaris, SLURMOracle 8, SSH Gate, Cisco routers/switches, Dell 6400, 1250, Sun E450, E250.