SUMMARY:

• Experience in System Administration with extensive experience in Linux (RHEL 6/5, SuSE 11/10), Solaris (11/10/9), HP - UX (11.x/10.x), AIX (5.x/4.x) and Windows (2012/2008) administration.
• Planned, designed, installed, deployed and managed a computing environment centered around servers running Red Hat Enterprise Linux 4/5/6 and Sun Solaris 8/9/10 x86.
• Experience in building Servers using Kickstart for Linux, Jumpstart and Flash Archive for Solaris, Ignite for HP-UX and exposure to NIM for AIX installation.
• Experience in building Red Hat Network Satellite Server for automated installation of Linux boxes and creating image of Linux system with SystemImager that automates Linux installs.
• Experience in installing, configuring the Volume/File system management using Veritas Volume Manager (VxVM), Logical Volume Manager (LVM), Solaris Volume Manager (SVM) and Veritas File System (VxFS).
• Extensive experience in installing, configuring and maintaining Application Servers - WebSphere and WebLogic, Web Servers like Apache HTTP and Tomcat on UNIX and Linux.
• Experience in VMware, LDOMs. Installation and monitoring of Virtual environments with ESXi/ESX servers and Virtual Center 2.X.
• Experience in implementing and monitoring High Availability environment using Veritas Cluster Server, Sun Cluster, Red Hat Cluster Suite and HP Service Guard.
• Experience in configuring Zettabyte File System (ZFS) pools, file systems, snapshots and clones in Solaris and Global File System (GFS) in Linux.
• Extensively worked on administering NFS, NIS, NIS+, DNS, DHCP, LDAP, Mail servers and Samba servers.
• Experience in configuration and installation Linux OS for GRID servers on IBM Blade/Rack servers.
• Experience in supporting distributed real-time GRID environment.
• Performing software installation, upgrades/patches/packages, troubleshooting, and maintenance on UNIX & Linux Servers.
• Experience in User & Security administration, multiple backup & recovery technologies (Snapshots, Disaster Recovery plan) and maintenance of various activities.
• Expertise in configuring IPMP (IP network MultiPathing) in Solaris and Bonding in Linux.
• Capacity planning and recommending hardware for SAN (Storage Area Network) implementation and replacements.
• Experience on Live Upgrade, migrating from UFS root file system to ZFS file root system in Solaris.
• Experience in Data Center Migration for P2V, V2V and P2P environments.
• Storage experience in managing NAS, EMC storage arrays and Veritas Net Backup administration (VNB).
• Build, Installation and upgrade/maintenance of virtual servers using VMware vSphere Web Client.
• Installation of OS Packages and patches using Red Hat satellite server.
• Experience building Solaris virtual servers (LDOM and Zones) using Oracle Ops Center.
• Experience working on Solaris Volume Manager (SVM), creating metadevices, soft partitions, mirroring the devices.
• Extensive experience working on Logical Volume Manager (LVM) in Red Hat Linux servers.
• Disk and File system management through Solaris Volume Manager (SVM) including Zpool and ZFS (Zettabyte File system).
• Involved in Data Center Migration for P2P, V2V and P2V environments.
• Experience in configuration of IPMP, NIC Bonding and Storage Multipathing.
• Interface with application support, developers and upper level management to address problems which have caused outages.
• Monitoring of Disks, CPU/memory performance using Neptuny.
• Support for Disaster Recovery on UNIX/Linux servers remotely for Freddie Mac.
• Respond to all UNIX system problems 24x7 as a part of on-call rotation and resolving them on a timely basis.
• Manage Change Management queue and create Request for Change (RFC) to implement recommendations from vendors, ASMs and DBAs to resolve issues.
• Support and administer various network infrastructure components to ensure uptime and reliability. Routine administrative tasks, like troubleshooting and correcting problems in the existing network.
• Installation, configuration and upgrade of Solaris 10/9, Red Hat Enterprise Linux 5/4 operating systems.
• Installation of OS Packages and patches as required.
• Upgrading and Acceptance testing of Veritas NetBackup Solution.
• Experience in Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in Linux and HP-UX.
• Implementation of RAID techniques and the creation of Disk groups and volumes, plex using Veritas Volume Manager.
• Experience in VMware. Installed and monitored Virtual environments with ESX/ESXi servers and Virtual Center 2.X
• Experience in configuring Red Hat Satellite Server on Linux systems.
• Experience in Linux OS installation for IBM GRID servers and support Grid platform with Application users.
• Disk and File system management through Logical Volume Manager including GFS (Global File system).
• Providing day-to-day user administration like adding/deleting users and managing user queries. Shell programming for routine administration tasks. Analyzing & monitoring system performance through various system tools such as netstat and iostat.
• Creation and scheduling of Cron Jobs for Backup, System Monitoring and removal of unnecessary files.
• Responsible for upgrades to Red Hat Linux and Software packages and maintained them in accordance with established policies, procedures and service level agreements.
• Analyze User Requirements; propose alternative solution in setting up local area network and ensuring the server is up and running.
• Manage process to ensure product release, applications, and corporate block point cycles are synchronized.

TECHNICAL SKILLS:

Operating System: Red Hat Linux 6/5/4, SuSE Linux 11/10, Solaris 11/10/9, HP-UX 11.31, 11.23, 11.11, 11.0, IBM AIX 5.x/4.3, Windows 2012/2008/2003.

Hardware: SUN SPARC Enterprise- M5000/4000, ST2540 M2, SUNFIRE X4270 M2/X4170 M2, M-Series Servers, HP Proliant DL 380/360 G6, G5, p3440/rp7440/rp 8440 Server, SUN StorageTek Tape Auto Loaders SL48/SL24, IBM RS/6000 /S80 / M80 / H70 / H50 Series server and pSeries, HP/Dell/IBM/Sun Blade Servers..

Network/Naming Services: NFS, NIS, NIS+, DHCP, Proxy Server, DNS, LDAP.

App/Web Servers: WebLogic 12/11/10, WebSphere 8.5/8.0/7.0, Apache 2.x/1.3x, Tomcat.

Languages: UNIX Shell Scripting, Perl Scripting, HTML, Java Script.

Third Party Software: Veritas Volume Manager(VxVM), Veritas Cluster Service, Red Hat Cluster Suite, HP Service Guard, Sun Cluster, EMC Symmetrix/Clariion, VMware ESXi, RAID

Backup Management: Veritas NetBackup 6.x/5.x/4.x, Ufsdump, Ufsrestore, tar, cpio, dd

RDBMS: Oracle 12c/11g/10g, DB2, Sybase, MS SQL Server

Protocols: TCP/IP,UDP, RIP, FTP, SNMP, OSPF, SMTP, TELNET

PROFESSIONAL EXPERIENCE

Confidential, TX

Sr System Administrator

Responsibilities:

• Installation, Configuration, troubleshoot and Upgrade of RHEL 4/5/6, Esxi 4.x/5.x/ESXi 6.0 operating systems.
• Installation, configuration &Upgrade of windows 2012 and, Red Hat Linux operating system.
• Migration of Physical and Virtual servers(P2V, V2V) from one datacenter to another datacenter.
• Woked on upgrade on IBM information governance tools.
• Designed the infrastructure of IBM Infosphere Optim and installed it on Linux, and windows operating systems
• Experience building Solaris virtual servers (LDOM and Zones) using Oracle Ops Center.
• New server builds using VMware vSphere and Cisco UCS for SuSE Linux and Solaris.
• Installed Linux, RedHat 6, 7 On HP, Dell servers and through VMware vsphere.
• Experience in configuring and migration of distributed GRID servers located in different datacenters.
• Experience working on adding storage LUN’s and creating Logical Volumes (LVM) and Veritas volumes and Veritas filesystems.
• Installation of Autosys R11 client, Tripwire Monitoring agent and NetBackup client on SuSE Linux and Solaris.
• Experience working on Solaris Volume Manager (SVM), creating metadevices, soft partitions, mirroring the devices.
• Installation of OS patches using Red Hat satellite server and packages using RPM, YUM and Yast/Zypper.
• Working on DNS changes and reserving IP’s using Nitrate and experience in Sudoers files push.
• Installation, configuration and administration of WebLogic, WebSphere and Apache Servers on Linux and Solaris servers.
• Decommission of servers and server upgrades/patching as required.
• Working on Change tickets and Incident tickets for SAN allocation and Network IP assignments.
• Administering and Troubleshooting High Availability Clusters using Veritas Cluster Server, Red Hat Cluster Server on various business critical database & application production servers.
• Configured and Installation of sun solaris 8/9/10 and through jumpstart server.
• Implement system security measures such as backups, access control, system accounting and disaster recovery in order to maintain system integrity and availability
• Attended all meetings regarding project upgrade and implementation.
• Worked with various vendors to check architecture compatibility and version compatibility to bring up the infrastrucre.
• Worked with different team such as database, backup, networking, and VMware to implement the project.

Confidential, Newark, NJ

Sr. System Administrator

Responsibilities:

• Installation, Configuration, troubleshoot and Upgrade of Solaris 8/9/10,RHEL 4/5/6, Esxi 4.x/5.x/ESXi 6.0 operating systems.
• Installation, configuration &Upgrade of Solaris, Red Hat Linux operating system.
• Migration of Physical and Virtual servers(P2V, V2V) from one datacenter to another datacenter.
• Experience building Solaris virtual servers (LDOM and Zones) using Oracle Ops Center.
• New server builds using VMware vSphere and Cisco UCS for SuSE Linux and Solaris.
• Experience in server data migration using ViCOM, SRDF and RSYNC.
• Experience in configuring and migration of distributed GRID servers located in different datacenters.
• Experience working on adding storage LUN’s and creating Logical Volumes (LVM) and Veritas volumes and Veritas filesystems.
• Installation of Autosys R11 client, Tripwire Monitoring agent and NetBackup client on SuSE Linux and Solaris.
• Experience working on Solaris Volume Manager (SVM), creating metadevices, soft partitions, mirroring the devices.
• Installation of OS patches using Red Hat satellite server and packages using RPM, YUM and Yast/Zypper.
• Working on DNS changes and reserving IP’s using Nitrate and experience in Sudoers files push.
• Installation, configuration and administration of WebLogic, WebSphere and Apache Servers on Linux and Solaris servers.
• Decommission of servers and server upgrades/patching as required.
• Working on Change tickets and Incident tickets for SAN allocation and Network IP assignments.
• Administering and Troubleshooting High Availability Clusters using Veritas Cluster Server, Red Hat Cluster Server on various business critical database & application production servers.
• Configured and Installation of sun solaris 8/9/10 and through jumpstart server.
• Implement system security measures such as backups, access control, system accounting and disaster recovery in order to maintain system integrity and availability
• Provide full user support for client’s standard application software in order to meet needs
• Provided system support for 200+ servers of Redhat Linux and Sun Solaris including routine maintenance, patching and system backups and restores and software and hardware upgrades.
• Install Red Hat Satellite 6 on a server and populate it with Red Hat Enterprise Linux software content.
• Working on building and configuring the dual VIO servers V2.2.0.10 on P7 -740 with SEA with NPIV for SAN boot on LPARS on the IBM P series and Blade servers.
• Expertise in deploy a migration from a few Red Hat standalone systems to Red Hat clustering
• Install Red Hat Enterprise Linux (RHEL) versions 6.x, 7.x,, and RHEL Pacemaker Clusters with GFS2
• Experience in high availability cluster architectures including DRBD, Pacemaker, CoroSync
• Planning configuring the auto/sharing mode 10GIG SEA network adapters with LACP.
• Expertise in control user access for Red Hat Satellite administration
• Experience and excelling in Linux Systems Administration. (Red Hat, SUSE & Vmware ESXi)
• Experience in UNIX/LINUX Systems and Network administration for Linux RedHat (RHEL 4, 5, 6), CentOS, SUSE, Debian and AIX
• Expertise in Vmware Virtualization solutions, VM Migration & Cloning;
• Working with Planning, Configuration, Administration, and Maintenance of Linux and Virtualization using VMWare ESX Systems
• Experience in installation, configuration, tuning, security, backup, recovery and upgrades of UNIX/LINUX
• Work within a small agile DevOps team to perform rapid deployment of code and provide operational support for servers in multiple data centers
• Installed a PHP based Linux Kickstart solution that allows for the building of profiles based on IP address which allows for installation of new Linux systems.
• Automating the creation of WebLogic Application servers instances, providing processes to automate configuration/restoration and backups
• Configuring and implementing LINUX Kernel re-compilation.
• Implementation and setup of local Linux disk backups using open Source applications.
• Experience in Configuring storage arrays Symmetrix, VMAX, DMX 4-950, Clariion CX4-960, CX4-240 and NetApp FAS 3270.
• Installation and troubleshooting on VMware running Linux (Red Hat) and Windows
• Design, install, and configure VMware ESX (3.5), ESXi, and vSphere 4 environments.
• Installed REHL 3/4/5 on X86 64 bit Intel Processor and on x-series Hardware.
• Worked on installation of Power path on all Linux boxes.
• Monitored Linux server for CPU Utilization, Memory Utilization, and Disk Utilization for performance monitoring
• Installing and upgrading operating system on client using various methods including NIM installation using and creating lpp source and SPOT

Confidential, Jersey City, NJ

Sr System Administration/Engineer

Responsibilities:

• Responsible for Architecting, installing, configuring, maintaining, designing, development, implementation and support on IBM AIX 6.x/7.x (p570, p770, p780, s824, p850 and p880), Solaris 9/10/11, Linux Redhat 6/7 in the environment.
• Planned, designed, installed, deployed and managed a computing environment centered around servers running Red Hat Enterprise Linux 4/5/6 and Sun Solaris 8/9/10 x86.
• Servicing and Patching Solaris LDOMS
• Implemented procedures for data migration between various operating systems and applications.
• Analyzed AIX, Linux and windows platforms for preparation of non-disruptive migration strategies.
• Coordinated with technical team members in development of deployment scripts and related procedures.
• Managing and Work with teams on Server Migration, OS migration and Storage migration for AIX migration from AIX 6.1 to 7.1, P780 to P880/S824 and XIV to V840.
• Provisioning and support of Production, QA and Developers environment.
• Responsible for supporting SAP on Aix and Linux servers
• Handled all system administration duties for all Red Hat Linux and VM Servers on site. Responsibilities ranged from daily tasks to more advanced ones such as shell scripting, software installation and system/network troubleshooting.
• VERITAS Volume Manager and VERITAS File System troubleshooting and Administration.
• LVM and LPAR’s on standalone and blade implementations with SOLARIS, XEN, and KVM
• Mutli-tier application environment with Weblogic, Websphere. Mission Critical 24x7 Servers support.
• Configuration and Installation of JBOSS 4.x on Linux servers.
• Created Unix Shell scripts (ksh, Bash, Perl) for routine jobs and to extract log files.
• Worked with IBM support for hardware failures of devices and software issues.
• Responsible for installing, migrating configuring, supporting and tunning key parameter for better performance of oracle 11g/12c in a RAC environment on AIX and linux
• Experience installing configuring, supporting and deploying of puppet
• Provided production support in an on-call rotation in a 24x7 environment

Confidential, Jersey City, NJ

Sr System Administrator/Engineer

Responsibilities:

• Installing, configuration and maintenance of RedHat Linux 3/4/5/6 (RHEL) operating systems on HP-UX
• Solaris Administrator assisting Solaris OS upgrades to 10.5 and 11.5.
• Reinstalled server using Kickstart as a primary tool for Solaris servers
• Administration of kernel upgrades on 6600+ production, development and QA Store vision teller Linux Servers
• Good working experience with RedHat Satellite Server for upgrading and patching Linux Servers.
• Worked on configurations and installations Solaris and Linux servers using Custom Jumpstart and Kick start
• Experience with system startup, Operating System interaction, boot options, and parameters on HP DL380G5/G6/G7/Gen8 class server.
• LVM and LPAR’s on standalone and blade implementations with SOLARIS, XEN, and LVM
• Reinstalled server using Kickstart as a primary tool for Solaris
• Installed and configured Disk and file system management using Logical Volume Manager (LVM) on Linux based HP superdome servers.
• Administering patch management tasks and resolving server start up issues.
• Planning, documenting and supporting high availability, data replication, business persistence and
• administering failed-back up using scripts.
• Worked on HP iLO and upgrade the iLO firmware.
• Configure LVM and LPAR’s on standalone and blade implementations with SOLARIS, XEN, and LVM
• Upgraded Solaris 8/9 to Solaris 10
• Login to the Cisco UCS and install the RHEL and Oracle Linux servers.
• Installed netbackup agent on AIX and RHEL servers and coordinate with backup team.
• Worked with team to install the bash patch on all linux servers and remove bash from AIX.
• Collect the WWPN using Cisco UCS KVM and provided to SAN team to allocate the storage.
• Installation, Configuration and Administration of Web Logic, Netapp storage WebSphere and Apache Servers in Linux.
• Implemented security hardening per company policy using Solaris 10 feature.
• Administered and troubleshooted kernel, application and various system updates in dev, QA and production servers.
• Administered Java updates on production Linux servers and managed monthly overall updates of development servers.
• Installed and configured Disk and file system management using Logical Volume Manager (LVM) for LINUX systems.
• Administering patch management tasks and resolving server start up issues.
• Experienced handling updates on Amazon Web Server (AWS) EC2 instances for upgrading and patching Linux Servers.
• Administration of build upgrade compatibility with the present environment, which was then used for production, development and QA store Linux Servers.

Confidential, Chicago, IL

System Administrator

Responsibilities:

• Installing, configuration and maintenance of RedHat Linux 3/4/5/6 (RHEL) operating systems on HP-UX
• Responsible for installation, configuration& Upgrade of Solaris, AIX, HP-UX, Linux and Windows-NT operating systems.
• Administration of kernel upgrades on 6600+ production, development and QA Store vision teller Linux Servers
• Good working experience with RedHat Satellite Server for upgrading and patching Linux Servers.
• Worked on configurations and installations Solaris and Linux servers using Custom Jumpstart and Kick start
• Experience with system startup, Operating System interaction, boot options, and parameters on HP DL380G5/G6/G7/Gen8 class server.
• Responsible for installation, Configuration & Upgrade of Solaris and Linux operating system.
• Installed, managed Solaris Volume Manager (Configured mirror/Breaking mirror/metadata bases Solstice Disk suite 4.2.1)
• Responsible for day - to-day administration on Sun Solaris that includes Installation, upgrade and loading patches.
• Installed and configured Disk and file system management using Logical Volume Manager (LVM) on Linux based HP superdome servers.
• Administering patch management tasks and resolving server start up issues.
• Planning, documenting and supporting high availability, data replication, business persistence and
• administering failed-back up using scripts.
• Managing Yum and RPM repository for administering the packages being updated.
• Written Shell scripts, bash scripts for monitoring & clean up old files.
• Coordinating and troubleshooting issues with various lab test servers, network, application and storage teams.
• Administration of repetitive Jobs using Cron scheduling, and using bash Scripts to accomplish the task on multiple servers.
• Maintaining SAP basics, Oracle database and working closely with SAN team.
• Manage accounts, emails and group ids.
• Monitoring SVT, Tomcat and Apache ticketing tasks, and Disk and CPU utilization by using various monitoring tools.
• Managed TCP/IP packets and DHCP servers.
• Monitoring system performances using Nagios and managing network issues.
• Trouble shooting and tuning kernel, applications and O/S problems.
• Trouble shooting server start up issues using ILO and restarting vormetric(vmd) and SVT services if needed.
• Installation, Configuration and Administration of Web Logic, Netapp storage WebSphere and Apache Servers in Linux.
• Administered and troubleshooted kernel, application and various system updates in dev, QA and production servers.
• Administered Java updates on production Linux servers and managed monthly overall updates of development servers.
• Experienced in Netback up and making sure data is purged and transferred correctly.
• Trouble-shooted ubuntu documentation servers and managed users access.

Confidential, Dallas, TX

Linux Engineer

Responsibilities:

• Installing, Configuration and maintenance of Red Hat Linux 4/5/6, SUSE 10.3, 11.1, Centos and windows operating systems.
• Good working experience with RedHat Satellite Server for upgrading and patching Linux Servers.
• Installed, Configured and maintenance of DNS servers, DHCP Servers, Mail Servers, FTP servers, NIS, Samba and web servers
• Implementing RAID 0, 1, 5 and 0+1 levels using Veritas Volume Manager
• Administered updates on ubuntu server used for storing documentations.
• Supported configuring a wiki which provided document storing functionality.
• Managed cron jobs on the servers.
• Periodical upgrades of the rpms and checking logs for trouble shooting issues.
• Maintained tenant and utility database of the Housing Authority.
• Managed and created reports for Deputy Director.
• Writing queries to sort out the database and produce desired outputs.
• Sorted, scanned & stored important documents for future legal actions.
• Documented the entire procedures for database management from data entry to managing queries.
• Administered data backups periodically along with monitoring logs to make sure storage data is being backed up.
• Helped storing data in correct tables and linked databases for better results.
• Managed databases of 4 districts.
• Made utility expense tracking easier by organizing databases effectively.
• Administered voucher management database.
• Installed and configured VERITAS Volume Manager (VxVM), Disk and file system management through Veritas Volume Manager.
• Planning, documenting and supporting high availability, data replication, business persistence, fail-over, fail-back up RedHat Server in Linux and Ubuntu servers.
• Build Yum and RPM repository Server for Development team to upload packages, Written UNIX Shell scripts for monitoring & clean up old files.