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Sr. Unix Administrator/application Support Resume

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SUMMARY

  • More than 12 years of IT experience specialized in System Administration working on Sun Solaris, Red hat Linux, AIX and HP - UX environments.
  • Installs, Upgrades, Patches, Configuration, performance tuning on UNIX and system software & hardware
  • Support and maintenance of Sun Ultra Enterprise Servers E250/M3000/M4000 and also on sun blade 100
  • Installing, upgrading and configuring SUN Solaris 8, 9 and 10 on Sun Servers Using Jumpstart Servers.
  • Installation and configuration of Suse Linux, Red Hat Linux (4.x, 5.x and 6.0), HP-ILO’s, DRAC and Linux VM’s.
  • Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
  • Involved in the Data Center Migrations.
  • Done lift & shift, P2V and V2V on Solaris and Linux servers.
  • Designing the architecture for Solaris and Linux servers.
  • Experience with VMware ESX 4.0 and 5.0 versions to create and manage VM’s in Linux Environment.
  • Expertise in VERITAS Volume manager (VxVM), Creating disk groups, volumes and file systems using VERITAS Volume Manager & File System.
  • Working exp with Storage Management Tools (E.g: Navisphere, Unisphere)
  • Knowledge on EMC and Hitachi storage.
  • Setting the applications by Cloud computing on Linux servers.
  • Worked with ORACLE team for initial setting up the hardware in the data centers before migrations.
  • Administration experience on Red Hat Linux, 5.x., 6.0 and 6.1
  • Experience in JBoss.
  • Planning, documenting and supporting high availability, data replication, business persistence, fail-over, fail-back using VERITAS Cluster Server 5.x, in SAN environment.
  • Experience on Red Hat Linux 3, 4, 5 and Suse Linux (Installation, User creation on Linux servers, Housekeeping, patch management, server operations and LVM in Linux 5.Environment)
  • Efficiency in installing, configuring and implementing the RAID Technologies using VERITAS volume manager.
  • Knowledge on RHEL Satellite server.
  • Configured Networking Concepts NFS and SAMBA troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.
  • Done P2P, P2V and V2V data migrations on Solaris and RHEL servers respectively.
  • Willingness to work flexible hours and provide production support for 24x7.
  • Knowledge on CIS standard and CIS compliance tools.
  • Setting and installing WAS on different flavors of UNIX.
  • Experience in JBoss, Apache, Tomact
  • Knowledge of networking (TCP/IP, Ethernet), FTP, SFTP, SUDO, NFS, NIS, DNS, DHCP and RAID levels.
  • Installed and configured Microsoft OS
  • Experienced in LAMP
  • Experienced in ZFS
  • Involved in SAN migrations in HDS storage.
  • Expert in Installing, configuring and maintaining apache/tomcat, samba & send mail, WebSphere Application Servers.
  • Production support of Apache and JBoss including installation, configuration, management and troubleshooting.
  • Experienced with the installation, configuration of volume management using Solaris Volume Manager (SVM) on Solaris and Logical Volume Manager (LVM) on Red Hat Enterprise.
  • Supported, Installed ORACLE 10g and Supported ORACLE RAC environment.
  • Creating and maintaining user accounts, profiles, security rights, disk space and process monitoring
  • Experience in the PoC - Proof of Concept before doing the actual migration.
  • Install and configuration of Web hosting administration such as HTTP, FTP, SFTP, SSH & RSH
  • Experience in setting up and troubleshooting software and hardware raid configurations using RAID 0, 1, 5, 10, 01 on LINUX and Solaris
  • Strong technical background in Storage, Disk Management, Logical Volume Management (LVM) and logical partitioning.
  • Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
  • Activities include user administration; startup and shutdown scripts; crontabs, file system maintenance, backup scripting and automation using Perl, shell scripting (bash, ksh) for Red Hat Linux and AIX systems.
  • Providing 24X7 On-call Production and Customer Support including trouble shooting problems related to Linux servers and IBM AIX p-Series servers.
  • 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.
  • Possess strong trouble-shooting attitude and business oriented user interface.

TECHNICAL SKILLS

Operating Systems: Sun Solaris 2.x/8/9/10, Red hat Linux, Suse

Software: VERITAS Volume Manager 3.x, 4.x & 5.0, VCS

Hardware: Sun Ultra Enterprise Servers E250/M3000/M4000 and SUN Blade 100

Database: Oracle 9/10/11g, TOAD.

Scripting Languages: Borne and Ksh shell

PROFESSIONAL EXPERIENCE

Confidential

Sr. UNIX Administrator/Application Support

Responsibilities:

  • Installing/Configuring Jenkins on the RHEL servers
  • Building/Deploying the code on the servers using Jenkins
  • Provisioning the servers (RHEL/Ubuntu) as per the request.
  • Configuring and administration of High Availability VERITAS Cluster Servers for failover and redundancy purpose
  • Installed and configured WLS on the RHEL servers.
  • Written automation scripts for the WLS using WLST
  • Coordinating with vendors support engineers.
  • Installed GPFS on the RHEL servers
  • Installing the Oracle as per the release notes which sent by the DBA team.
  • Installing and configuring Operating System on Sun Solaris 9 &10 Installation.
  • Installing and configuring the VxVM and VCS on Solaris and Linux servers.
  • Installing the VXVM patching.
  • Create RAID Groups, bind LUNs, create storage groups, register hosts and assign LUNs to the hosts
  • Performing patches on Linux servers by using Satellite server.
  • Monitoring the servers by using the BMC patrol and Nagios tool.
  • Creating the tickets by Remedy tool.
  • Worked on the SUSE servers as part of the deployment
  • Installing and configuring the Solaris by using the Jumpstart mechanism.
  • Writing scripts for some of the tasks to decrease the work load.
  • Support various web servers (Apache and Tomcat) running on Linux Operating systems.
  • Installing/Configuring zones on Solaris 10
  • Installing Apache on Linux servers
  • Installing and configuring Linux as per the client request.
  • Generating systems reports every week and submitting to the Manager.
  • Configure and support Subversion (SVN) for application teams and dev teams for their needs.
  • Running SQL quires on UNIX servers from the installation guides provided by developers.
  • Working closely with the DBA’s and helping to resolve the issues from the server side.
  • Managing Disks in LINUX using LVM (Logical Volume Manager).
  • Clarify Ticket based problem management.

Confidential

Sr. UNIX Administrator

Responsibilities:

  • Supporting and managing VM’s using ESX environment (Creating, deleting, resource allocation etc.)
  • Provisioning the servers (RHEL/Ubuntu) as per the request.
  • Done the P2V and V2V data migration on Solaris and Linux Servers.
  • Building RHEL servers by using puppet tool.
  • Configuring and administration of High Availability VERITAS Cluster Servers for failover and redundancy purpose
  • Coordinating with vendors support engineers.
  • Running sql’s scripts whenever the DBA's sends the requests.
  • Installing the Oracle as per the release notes which sent by the DBA team.
  • Installing and configuring Operating System on Sun Solaris 9 &10 Installation.
  • Installing and configuring the VxVM and VCS on Solaris and Linux servers.
  • Installing the VXVM patching.
  • Create RAID Groups, bind LUNs, create storage groups, register hosts and assign LUNs to the hosts
  • Creating JAIL accounts for different vendors on FTP project.
  • Knowledge on MySQL
  • Performing patches on Linux servers by using Satellite server.
  • Experienced in LAMP
  • Setting up the applications by cloud computing.
  • Monitoring the servers by using the BMC patrol and Nagios tool.
  • Creating the tickets by Service Now tool.
  • Installing and configuring the Solaris by using the Jumpstart mechanism.
  • Writing scripts for some of the tasks to decrease the work load.
  • Support various web servers (Apache and Tomcat) running on Linux Operating systems.
  • Installing/Configuring zones on Solaris 10
  • Installing Apache on Linux servers
  • Installing and configuring Linux as per the client request.
  • Generating systems reports every week and submitting to the Manager.
  • Installing and configuring the Tripwire on Linux servers.
  • Installing and configuring the Microsoft OS on VMware
  • Configure and support Subversion (SVN) for application teams and dev teams for their needs.
  • Running SQL quires on UNIX servers from the installation guides provided by developers.
  • Working closely with the DBA’s and helping to resolve the issues from the server side.
  • Managing Disks in LINUX using LVM (Logical Volume Manager).
  • Clarify Ticket based problem management.
  • Setting up the WAS on different env and supporting to different teams.

Confidential

Sr. UNIX Administrator

Responsibilities:

  • Creating the remedy tickets as per the process.
  • Supporting and managing VM’s using ESX environment (Creating, deleting, resource allocation etc.)
  • Coordinating with vendors support engineers.
  • Installing the OS kernel patches on Solaris 8, 9 and 10 servers.
  • Installing and configuring the VxVM and VCS on Solaris and Linux servers.
  • Taking the backups by using the ufsdump and flar commands
  • Built DRACK and HP ILO’s for Linux Physical Installations for Web production Environment with Linux 5.3 and 6.0 Operation system versions.
  • Monitoring the servers by using the BMC patrol tool.
  • Installing and configuring the Solaris by using the Jumpstart mechanism.
  • Doing live upgrade from Solaris 10 U3/U4/U5 to U6
  • Support various web servers (Apache and Tomcat) running on Linux Operating systems.
  • Installing/Configuring zones on Solaris 10
  • Implement, maintain, monitor, performance tuning and upgrade Network Attached Storage (NAS) environment.
  • Installing Apache on Linux servers
  • Installing and configuring Linux as per the client request.
  • Generating ESM reports once the server went to productions env.
  • Preparing doc’s whenever found and fix the new issues
  • Configuring IPMP on UNIX Servers.
  • Configure and support Subversion (SVN) and CVS for application teams and dev teams for their needs.
  • Running SQL quires on UNIX servers from the installation guides provided by developers.
  • Working closely with the DBA’s.
  • Managing Disks in LINUX using LVM (Logical Volume Manager).

Confidential

Sr. UNIX Administrator

Responsibilities:

  • Installation, configuration and Operating System upgrade on Sun Solaris 9 &10 Installation.
  • Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies.
  • Configuration and Administration of High Availability VERITAS Cluster Servers for failover and redundancy purpose
  • Implemented and created CIS compliance tools and reports.
  • Designed architecture for Unix Servers.
  • Configuring the AIX by using NIM server.
  • Done P2V, V2V and P2P migrations on Solaris and RHEL servers.
  • Installation of patches and other software packages
  • Created HDFS on various linux servers for the applications.
  • Creating disk groups, volumes and file systems using VERITAS Volume Manager & File System.
  • File system tuning, growing, and shrinking with VERITAS File system 4.x/5.x.
  • Installation of SSH and configuration of keys bases authentication.
  • Managed Disks in LINUX using LVM (Logical Volume Manager).
  • Installed and Configured ESXi
  • Installation and administration of RHEL 4.0/5.0
  • Installed and Configured the Solaris Zones
  • Configured IPMP on Solaris 10.
  • Done the cloud deployments on Linux servers.
  • Build the Linux servers by using the puppet.
  • Knowledge on JBoss.
  • Supported and managed VM’s using ESX environment (Creating, deleting, resource allocation etc.)
  • Working closely with Vendors (Sun, Red hat & VERITAS) on Hardware Problems & software fixes.
  • Involved in Planning, building and Administration of various High Availability clusters and heart beat checking on Sun Solaris using VCS in heterogeneous SAN environment.
  • Setting and configuring IPMP on Unix Servers.
  • Installing the BMC on different Unix env’s.
  • Knowledge on MySql
  • Installed the Linux on VMware and adding to the ESXi hosts
  • Supporting Level2 and Level 3 for Datacenters contains 1500 + servers.
  • Supported various webservers (Apache and Tomcat) running on Linux Operating systems.
  • Coordinating with Vendor Support engineers to resolve high priority issues.
  • Setup, maintain and management of user accounts and groups according to the security needs and adding the packages and patches when needed.
  • Initiating Backups on daily basis and monitoring the scheduled backups.
  • Clarify Ticket based problem management.
  • Setting up the NIC cards.
  • Cabling and Labeling when the servers are placed in the DC.
  • Involved in End to End Data Center Activities.
  • Done the Host based migrations in Solaris.
  • Involved in Data Center Migration from end-to-end.
  • Done the migrations from the Solaris 8 to 10 via San replication methods.
  • Have done the PoC on the different Unix servers before doing the actual migration
  • Doing documentation after resolving the problems in future.
  • Adding the LUNS from HDS to the Unix Servers.

Confidential

Sr. Linux Administrator

Responsibilities:

  • Installation, configuration and Operating System upgrade on Sun Solaris 8,9,10 Installation.
  • Applied appropriate support packages/patches to maintain system integrity.
  • Configured/Maintained Zones and ZFS files system Sun Solaris 10 Servers.
  • Creating disk groups, volumes and file systems using VERITAS Volume Manager & File System.
  • File system tuning, growing, and shrinking with VERITAS File system 4.x/5.0.
  • Built DRACK and HP ILO’s for Linux Physical Installations for Web production Environment with Linux 5.x Operation system versions.
  • Experienced in LAMP.
  • Installation of SSH and configuration of keys bases authentication.
  • Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris Volume Manager.
  • File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
  • Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy
  • Knowledge on diameter that can be used to build 3G and 4G core network elements.
  • Used diameter based tools IETF RFC 3588, 4960, 793 for the mobility applications.
  • Coordinating with Vendor Support engineers to resolve high priority issues.
  • Setup, maintain and management of user accounts and groups according to the security needs and adding the packages and patches when needed.
  • Initiating Backups on daily basis and monitoring the scheduled backups.
  • Clarify Ticket based problem management.
  • Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
  • Planned, scheduled and Implemented OS patches on both Solaris & Linux boxes as a part of proactive maintenance.
  • Installed and configured Tripwire on Linux servers.
  • Managed Disks in LINUX using LVM (Logical Volume Manager).
  • Involved in development, user acceptance, and performance testing, production & disaster recovery server.
  • Configured kick start server and updating/applying patches to the servers using Redhat Satellite server.
  • Doing documentation after resolving the problems in future.
  • Configured the servers by using the puppet deployment tool.
  • Setting up the WAS on different Env and supporting to different teams.
  • Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
  • Management and monitoring of various services using Service Management Facility and Service Administration.

Confidential

Sr. Linux Administrator

Responsibilities:

  • Installation and configuring of SUN Solaris and Linux servers.
  • Incident management for Unix Servers (Solaris, Linux).
  • Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using the tools NAGIOS and BMC Tools.
  • Configuration and Administration of High Availability VERITAS Cluster Servers for failover and redundancy purpose
  • Extensive experience in installing, integrating, tuning and troubleshooting Apache, Tomcat, WebSphere and Weblogic application server.
  • Creating disk groups, volumes and file systems using VERITAS Volume Manager & File System.
  • File system tuning, growing, and shrinking with VERITAS File system 4.x/5.0.
  • Installation of SSH and configuration of keys bases authentication.
  • Installation and administration of RHEL 4.0/5.0
  • Working closely with Vendors (Sun, Red hat & VERITAS) on Hardware Problems & software fixes.
  • Responsible for reviewing all open tickets, resolve and close any existing tickets.
  • Coordinating with Vendor Support engineers to resolve high priority issues.
  • Knowledge of all relevant storage SAN/NAS solutions including but not limited to EMC, IBM, Client, HP and NetApp
  • Setup, maintain and management of user accounts and groups according to the security needs and adding the packages and patches when needed.
  • Initiating Backups on daily basis and monitoring the scheduled backups.
  • Clarify Ticket based problem management.
  • Setting up the NIC cards.
  • Involved in Installing and configuring of NFS.
  • Doing documentation after resolving the problems in future.

Confidential

Sr. System Administrator (Acting Team Lead)

Responsibilities:

  • Installation, configuration and Operating System upgrade on Sun Solaris 8,9,10 Installation.
  • Configuration and Administration of High Availability VERITAS Cluster Servers for failover and redundancy purpose
  • Network traffic control, IPSec, Quos, VLAN, Proxy, Radius integration on Cisco Hardware via Red Hat Linux Software.
  • Responsible for configuring and managing Squid server in Linux.
  • Configuration and Administration of NIS environment.
  • Managing file systems and disk management using Solstice Disk suite.
  • Involved in Installing and configuring of NFS.
  • Package and patch management on Sun servers.
  • Kernel tuning, Writing Shell scripts for system maintenance and file management.
  • Worked on Solaris volume manager to create file systems as per user and database requirements.
  • Trouble shooting the system and end user issues.
  • Responsible for configuring real time backup of web servers.
  • Log file was managed for troubleshooting and probable errors.
  • Responsible for reviewing all open tickets, resolve and close any existing tickets.
  • Document solutions for any issues that have not been discovered previously.
  • Clarify Ticket based problem management.
  • Managing NFS and SAMBA Shares.
  • Setting up the NIC cards.
  • Doing documentation after resolving the problems in future.

Confidential

Project Engineer

Responsibilities:

  • Responsible for build activities in all environments.
  • Verity Indexing.
  • Maintenance of operation tasks and monitoring cron jobs executions.
  • Handling Environment Health related issues.
  • Participating in troubleshooting P1, P2 issues resolution.
  • Monitoring(proactively/reactively) to possible security loopholes
  • Coordinating with HP for OS and network administration.
  • Plan and schedule OS and Application maintenance requirements(path upgrades, etc)
  • Communicate to DC AMS team of any upcoming events from HP end which might impact deliveries.
  • Support developers in their tasks from OS and Application admin point of view
  • Support testing team in performance testing related tasks (configuring, fine tuning application server/web server etc).

Confidential

Project Engineer

Responsibilities:

  • Patch and packages installation and management
  • Designed and created disk groups, volumes and file systems using VERITAS Volume Manager and File System.
  • Configuring and troubleshooting Network File System in Solaris.
  • Creating and modifying user accounts in Solaris.
  • Monitoring System performance and fine tuning
  • Installing and Configuring Reflection software on Windows machines
  • Startup, shutdown of databases and keeping database in begin backup mode, end backup mode for backup purpose.
  • Giving support to different Environment UAT/PAT/Dev by means of Export and Import.
  • Support for the Site availability on 24 x 7 basis
  • Managing the releasing the code to Production.
  • Coordinating with Different Team in USA and India
  • Pushing the code in production environment
  • Managing the Backend jobs and writing the shell script on need basis.
  • Providing the day to day support the Functional Testing Environment.

Confidential

24x7 Production Support

Responsibilities:

  • Setting up the servers by using Jumpstart
  • Handling the tickets by using the Remedy tool.
  • Maintenance of operation tasks and monitoring cron jobs executions.
  • Handling Environment Health related issues.
  • Trouble shooting issues resolution.
  • Monitoring the servers by using the BMC patrol.
  • Plan and schedule OS and Application maintenance requirements(path upgrades, etc)
  • Support developers in their tasks from OS and Application admin point of view
  • Creating, Deleting and managing user database and their respective directories.
  • Performing backups of Production, DIT and Development servers and applying required patches.
  • Setting up cron jobs for the user to deploy scripts on production servers.
  • Troubleshooting day-to-day server related issues and problems in terms of hardware, operating system, applications and network.
  • Worked on User administration setup, maintaining account, Monitor system performance.
  • Environment, Command line, Current working directory, root directory, executed command.
  • Extensive user and group management through admin tool.
  • Strong scripting knowledge to perform different administration tasks.
  • Experience in Shell scripting (ksh, bash) to automate system administration job.

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