SUMMARY

• Over 15 years of experience as a UNIX Certified Red Hat System Administrator (RHCA) 7, 6, 5/Certified Solaris 11,10,9,8,7, and AIX Power8, 7, 6, 5 System Administrator, AWS
• Expert knowledge of the Solaris 11 and 10 operating systems design /configuration /implementation /integration including Oracle VM Server (OVM) - LDOM, ZFS file system configuration/support, zone/Guest Domain configuration /support, and migration support.
• Strong knowledge of security, risk and data privacy controls with AIX and Linux
• Expert in VCS V6, V7 and Volume manager, zpool, zfs, xfs
• Expert in SUN Solaris 11, 10 Oracle VM Server 4.3.3 (OVM) - LDOM, Zones/Containers, High Availability Veritas Cluster V7, V6.
• Strong collaborative skills and able to effectively communicate highly technical information and documentation to both technical and non-technical users. Able to work without assistance; can provide leadership to others
• Expert in Red Hat Linux V7,6,5 at least 8 years of heavy experience in install / rebuild supported 300 servers responsible for ensuring all systems are current, reliable, tuned and accessible in accordance with service level agreements and AWS Cloud.
• Experience in planning, installation, migration, upgrade OS (AIX, Solaris, and Linux).
• Strong knowledge of HDS Hitachi, Confidential, Confidential Storage and Multipath I/O (MPIO), Hitachi Dynamic Link Manager (HDLM), Confidential PowerPath.
• Heavy use of utilities like dlnkmgr to gather physical HBA card and MPIO info, active disk path and experience with HBA utilities for Emulex, QLogic.
• Expert in AIX problem determination, performance and tuning, PowerVM VIO configuration, HMC, HACMP 5.1, 6.1, PowerHA, VIO, HMC, LPAR, NIM, Power6, Power7, and Power 8
• Extensive knowledge of NIM, Jumpstart, Kickstart.
• Ability to write from scratch as well as read/update/modify existing scripts for Perl, ksh, bash
• Experience in ESXi V6, 5, creating VM for Linux, Windows and Solaris.
• Extensive experience in Veritas File system, Volume Manager, SAN ( Confidential & Confidential Total Storage DS4000/6000), Legato Backup, Veritas NetBackup, TSM and Capacity Planning / Performance and Tuning.

TECHNICAL SKILLS

Hardware: Confidential Power 8,7 Servers, HP c7000 enclosures and BL Class blades, Confidential DS 8xxx & Confidential (VMAX, VNX, XtremIO), Confidential PowerMax 2000, 8000, Cisco Nexus Network, Brocade DCX Fabric, HP/3PAR T800, Confidential XIV's (Gen2 & 3) and NetApp V Class filers. SPARC platform is M and T Class servers & Confidential, SPARC platforms M and T Class servers, Super Cluster, SUN SPARC T5240, Oracle T2000, Oracle T5120, Oracle T4-1, Oracle T4-2, Oracle T4-4, Oracle T5-8, Oracle T7-2, Oracle T7-4, and M7.

PROFESSIONAL EXPERIENCE

Confidential

Red Hat System Administrator

Responsibilities:

• Worked on Confidential . Hitachi Storage host base migration project that involves Solaris/Linux servers, identify server’s compatibility for Host base migration, probe new storage, add storage to volume groups to start data copy (mirroring), break mirror, reclaim old storage. Heavily use of Veritas and local OS commands such as vxdisksetup, vxdg, vxassist, vxmend, vxplex, vxprint, pvcreate, linux vgextend, lvconvert, pvmove, lvs -a -o+devices, etc…

Confidential

Red Hat System Administrator

Responsibilities:

• Develop, migrate and manage services in the Amazon Web Services (AWS) cloud environment, and in physical data centers.
• Experience provisioning, operating, and maintaining systems running on AWS
• Expert in building Linux/Unix VM’s/AMI’s from scratch.
• Document AWS administrative customer tasks and requirements
• Troubleshoot AWS cloud related issues for internal and customer teams
• Detailed level understanding of IAM policies
• Selecting the appropriate AWS service based on compute, data, or security requirements
• Expert in automating patch install and security hardening.
• Strong Knowledge of containers( Docker), build and manage Docker images and container registry. Installation, configuration and administration of Kubernetes.
• Experience on installation of VMware ESX, ESXI migration of vm's from host to another host using clone, migration of vm's from one Data Center to another Data Center.
• Installed packages using YUM and RPM on various servers.
• Created clones, and snapshots of virtual machines in VMware ESXi.
• Experience configuring HA clusters with Red Hat Enterprise Linux HA
• Migrate a virtual machine with VMware vSphere® vMotion®
• Installed 12c Oracle Clusterware to provide infrastructure for RAC and configured 3 node Oracle 12c RAC with Confidential and 3 node DR RAC on another site using Cisco UCS C460 Servers & HP DL 580 G7 and configured active Data Guard Max Performance.
• Added SAN disks to multipathing and created ASM disks for Oracle Database and add diskgroups using ASMCA for Oracle. Upgraded Python 2.3, 2.5 to latest and help supported MySQL.
• Helped Oracle DBA in adding new disks to existing disk group - where you want to replace old ASM disks, and drop old ASM disk from the disk group.
• Helped Migrate NON ASM databases to ASM databases. Solid experience with Real Application Clusters RAC and Automatic Storage Management ASM, RMAN, Oracle Data Guard.
• Installation and configuration of HA environment using Red hat, Solaris and VERITAS Cluster. Creating and growing Filesystem by using Veritas Volume Manager.
• Very strong in VXVM & VCS with focus on DB, Application Integration, Performance analysis/tuning, RCA, Critical Incident handling.
• Experience in managing SAN disk from the server side, discovering luns, initializing, add to volume groups and resizing filesystems.
• Experience in providing support to Oracle DBA to upgrade databases (10g R2 to 11g, grid 12c).
• Monitor and tune database performance, participate in capacity planning, including processing, storage, and back-up/recovery capacity.
• Manage and lead a team of Database Administrators.
• Perform backup and recovery procedures using RMAN with Confidential Networker
• Performing Snapshots, Cloning, Migration VM ware convertor, Virtual Infrastructure client.
• Performing VMware crash/error analysis, Root cause Analysis, Coordinate Post Problem Analysis and Trend Analysis. Managing the VM infrastructure (VMotion, DRS, HA, Virtual Center Server, VM Converter).
• Configure and installed Solaris 11 installation to be Oracle VM Server (OVM) - Logical Domains hypervisor as well as configuring Logical Domains in order to perform an installation of the operating system.
• Created new Zones or clone from an existing zone on SuperCluster.
• Created a pool for the CPU and added pool (processor set) to local zone. Add Bonded Infiniband network on global ldom.
• Created grid disk from ldom1 for oracle database.
• Managed ZFS Appliance and added to LUN(S) to the appropriate project (Projects are nothing more than server or logical domain names).
• Created ZFS File system for Zone. Determine if the device needs to be replaced, and clear the errors using 'zpool clear' or replace the device with 'zpool replace'.
• Imported ZFS storage pool from Solaris 10 system into a Solaris 11 system using NFS file sharing and pool migration.
• Administered Oracle Solaris 11 system using Image Packaging System (IPS) to deal with software
• Package repositories, install and uninstall packages, and update systems.
• Worked on Solaris Oracle VM Server (OVM) LDOM technology, creating and maintaining both control and guest LDOMS
• Enhanced security, increased utilization, and improved reliability through Oracle Solaris Zones and through Oracle VM Server for SPARC (previously known as Oracle's Sun Logical Domains).
• While Oracle Solaris Zones provides process isolation and Oracle VM for SPARC (that is, logical domains) provides OS isolation, PDoms provide hardware isolation on Spper Cluster M7.
• Installing VCS 6.1, Infoscale 7.3, creating and modifying the Veritas Cluster Service groups and resources, failover and test new functionality, provided training, testing and documentation.
• Shell scripting to enhance day-to-day operations - OS (Solaris/Linux/AIX) operation, TSM, Netbackup and WebSphere management Very strong in Korn Shell Scripting, bash, and Perl.
• Build LPAR system and Installed AIX 6.1 and 7.1 LPARs on HMC using NIM Power 7, and Power 8 systems, Upgraded AIX from 6 to 7 and Upgraded Maintenance level as well.
• Experience in Planning, configuring and Implementation of Virtualization on Power P-series 870, 770, 750, 595, 570, 550 running 2 pairs of VIO Servers, each VIO pair running 20+ VIO clients.
• Strong knowledge of security, risk and data privacy controls with UNIX and associated integration points and secure policy setting in AIX.
• Applied updates/upgrades and recertification of all standards and patterns associated with AIX and Linux security.
• Migrated UNIX servers to the new DR site and synced the data across two sites.
• Expertise to server utilization and sharing I/O resources to reduce total cost of ownership and make better use of IT assets using Power VM (Advanced Power Virtualization).
• Provided support for VDI solution including Citrix XenDesktop 7.x; XenApp 6.5; XenApp 6.0 and VMware ESXi V5 and V6.
• Creating and cloning of virtual machines, installing, configuring RedHat Linux 6, 7, adding resources using VMware Virtual Client 5.5.
• Designed mission critical system with Disaster Recover and high availability solution using HACMP, SRDF.
• Involved in Sizing and Tuning of AIX servers (LPARs, standalones and VIOs on Power p870, p750, p740 & p5 570. Helped Tivoli team to install/configure Confidential Tivoli Monitoring V6.
• Performed a rolling migration from Power HA System Mirror 6.1 to Power HA System Mirror 7.1. Experience in connecting to an Confidential disk subsystem with Power Path and MPIO.
• Responsible for installation, configuration, upgrade, troubleshooting and maintenance of AIX 5.3/6.1/7.1, VIOS on pSeries systems OS Security Patches and Additional Setup and configured TCP/IP network on AIX.

Confidential

Red Hat System Administrator

Responsibilities:

• AIX, Linux, Solaris & Oracle RAC Production Support
• Designed Virtualization solution using VIO on p595, p750 Power 7 Hardware running 2 pairs of VIO Servers, each VIO pair running 20+ VIO clients.
• Migrated UNIX servers to the new DR site and synced the data across two sites.
• Designed and implemented High-Availability solution for the UNIX servers.
• Configure advanced PowerVM features such as Shared Memory Pools, Active Memory Expansion, and NPIV.
• Designed mission critical system with Disaster Recover and high availability solution using HACMP, SRDF.
• Involved in Sizing and Tuning of AIX servers (LPARs, standalones and VIOs on Power p740 & p5 570.
• Successfully completed 200 servers Host Based SAN Migration project (Hitachi & Confidential, Confidential ) between two storage arrays on Solaris, Linux and AIX servers.
• Discovered new LUNs, add new LUNs to disk group, migrate data either using Veritas commands vxassist mirroring/break mirroring or migrate data using Veritas vxevac or AIX migratepv or mirrorvg command.
• Expert in SAN migration using AIX LVM tools with mixed vendor ( Confidential, Hitachi, Confidential, NetApp) and virtual I/O.
• Very good in gathering WWPNs for FC adapters on VIOS involved in the migration.
• Dynamically adding (with DLPAR) new VSCSI adapters to the client LPAR.
• Mapping LUN (as Virtual Target Device or VTD or NPIV) to the client LPAR on each VIOS and presented it to the LPAR.
• Used mkvdev and lsmap to create and verify the disk has been assigned to the correct LPAR.
• Ran cfgmgr to discover the new hdisk, migrated data use mirrorvg and migratepv
• Extensive knowledge of LVM commands such as extendvg, reducevg, mirrorvg, unmirrorvg, migratepv, lsvg, chpv, lspath, rmdev, NPIV commands, lscfg, lsvpcfg, mklv, chdev, lqueryvg, varyonvg, importvg, exportvg, synclvodm, getlvodm, mklvcopy, rmlvcopy, crfs, chfs, syncvg and lot more.
• Monitored and tune database performance, participate in capacity planning, including processing, storage, and back-up/recovery capacity.
• Managed and led a team of Database Administrators.
• Performed backup and recovery procedures using RMAN with Confidential NetWorker
• Planned, designed and implemented enterprise solutions involving VMware, NetApp, Confidential and maintained Disaster
• Recovery Plan for critical VMs & application data. Configuring and Installed Confidential & HP Blade Servers
• Management of virtual machines, their resource pools and capacity planning security hardening and monitoring of VMs & ESX servers (CPU, Memory, Disk, Network Utilization) for Security Compliance.
• Performed Snapshots, Cloning, Migration VM ware convertor, Virtual Infrastructure client.
• Performed VMware crash/error analysis, Root cause Analysis, Coordinate Post Problem Analysis and Trend Analysis.
• Managed the VM infrastructure (VMotion, DRS, HA, Virtual Center Server, VM Converter).
• Installed new/rebuild existing Red Hat Linux Servers RHEL 5 & 6 and configure hardware, services, storage.
• Repaired and recovered from hardware or software failures.
• Applied OS/application patches and upgrades on a regular basis, and upgrade administrative tools and utilities.
• Allocated storage for operating systems and applications.
• Solid understanding of RHEL 6.x/Oracle Linux using VMware vCloud/vSphere 5.1 Enterprise on Cisco UCS 5100 Series Blade Server and HP.
• Migrated many Linux physical machine to Virtual Machine or from another Virtual Machine and converted Red Hat Linux V4, 5 volume ext2, and ext3 to ext4 logical volume using FalconStor/Disk Safe.

Confidential

Red Hat System Administrator

Responsibilities:

• Sun Solaris & Linux Oracle RAC Support: Created multiple independent logical domains (LDOM) using ZFS and allocate virtual resources to other domains.
• Installed using Jumpstart, upgraded, patched and configured Zones on Solaris, ZFS and zpool.
• Migrated guest logical domain from one server to another compatible server.
• Migrated Servers using Live Upgrade to Solaris 11.
• Planned, documented and supported high availability, data replication, business persistence, fail-over, fail-back using VERITAS Cluster Server (VCS) in SAN environment.
• Set up of quota on an Oracle Solaris ZFS file system.
• Solid experience with installation/support of Oracle RAC, Oracle 10/11/12g on Solaris/Linux and tuning the operating system components.
• Installed and deployed SUN Solaris 10 zones/containers (7 to 10 zones per server T5 and M5 series), created scripts for automated creation of zones using Solaris Containers consolidated with multiple applications onto the same server, each securely in its own environment with application-specific resource.
• Provided Sun-Oracle Professional Service which includes Veritas Cluster Implementation, SAN Environment Setup, and Sun-Oracle Virtualization Solution (LDOM) etc.
• Successfully MIGRATED DATA from Confidential to Hitachi over 400 servers using NON-Disruptive and Disruptive method.
• HOST BASED DATA MIGRATION USING LVM IN LINUX & Veritas volume manager for Solaris Platform.
• Pre-checks before migration - written script for capturing data Confidential LUNs and network, HBA, Veritas cluster, Oracle ASM disks, using lazymp to generate new multipath. Conf, Backup and copy new multipath file, Check the server for any current issues and errors etc.
• Worked with Oracle DBA for host base SAN migration, adding/aliasing new disks for Oracle RAC.
• Partition new disks PRIMARY server only if Oracle RAC or Shared disks, Validate LUNs, in case of ZFS, exported/imported zpool and making sure file systems came up.
• Veritas cluster Freezing/unfreezing of a server and successfully migrated data using Veritas Volume manager to Hitachi LUNs

Confidential

UNIX Lead Server Consolidation Engineer

Responsibilities:

• Involved in handling multiple projects, documentation creation and knowledge transfer.
• My primarily responsibilities include: Configured Red Hat Linux Kickstart Server and installation of Red Hat Enterprise (ES) 4.7 & 5.2 on both physical and virtual (VMWare) servers and configured firewalls.
• Deep understanding of Linux Kernel's, Storage/File and I/O subsystems.
• Set up Linux Patching Group to update a group of Linux hosts.
• Ensure stability, viability and maintenance of the 24/7 mission-critical production
• Installed and upgraded Sun Solaris version 8,9,10, Confidential AIX 5.x, Red Hat Linux V4.x, VCS V4.x and HACMP V5.x Clusters, Windows 2000/2003 servers.
• P-Series Hardware Installation, VIO Server 1.3.0 configuration, including logical partitions (LPAR) utilizing micro-partition shared and dedicated processors, memory, and virtualized I/O adapters.
• The virtual I/O adapters are configured and made available to the LPAR's via the redundant VIO 1.3.0 servers.
• Solaris Installation using Jumpstart and patching, AIX servers’ installation using NIM and mksysb, Linux installation using Kickstart.
• Deployed Confidential DS4000 - 6000 series storage in Linux, Power (pSeries) AIX.
• Created and managed Veritas Clusters 4.x, and troubleshoot storage problems.
• Attached and configured storage to systems.
• Configured storage using Veritas Storage Foundation and Confidential Volume manager.
• Experience with Confidential DMX 3000, DMX 1000 and Clarion storage arrays; Emulex and QLogic HBAs; Confidential Control Center; Connectrix, Confidential Power Path and Confidential Total Storage.
• Experience with Storage Foundation, VCS and VCS clusters; use of command line to configure disks, disk groups, volumes and file systems; encapsulating and uncapsulating Solaris boot drives; growing and shrinking file systems; mending plexes; importing and deporting disk groups, starting volumes and Snapshots.
• Experience with restoring files, file systems or entire systems from tape; designing and implementing backup policies and schedules; monitoring backups and reporting status; troubleshooting failed backups and backup using Veritas Snapshot.

Confidential

Red Hat System Administrator

Responsibilities:

• Configured Red Hat Kickstart server.
• Installation of Red Hat Enterprise 4.1 & 5.1 on both physical and virtual (VM) servers and configured firewalls for a variety of customers.
• Installed, configured and supported Veritas Cluster Servers on Solaris 9, 10.
• Upgraded AIX 5.2 to AIX 5.3 using NIM, and perform NIM builds, installs, mksysb backup/restore using NIM
• Hardware installation and patch management of Red Hat, Solaris and AIX
• Built and configured Solaris virtual machines or zone configuration.
• Worked closely with IT staff and clients in support of problem determination, problem resolution, and root-cause analysis.
• Capacity planning and hardware resizing.
• Planned and implemented the disaster recovery and high availability for critical systems.
• Shell Scripting (sh, ksh, PERL, SED, AWK, etc.)

Confidential

UNIX Lead Server Consolidation Engineer

Responsibilities:

• Served as technical lead for IT infrastructure migration/consolidation projects: Responsibilities include drafting a detailed technical plan (using Micro-Partitioning, Logical Partitioning and Virtualization) for hardware and software consolidation of five proprietary Solaris servers and 10 RS6000 Servers to two POWER p5 p570 systems.
• As part of the consolidation, we phase out the direct-attached storage DS4100/6000 to p5 p570 servers to use an Confidential storage-area network.
• Upgraded Six (2) Confidential AIX 5.2 master backup Veritas clusters 4.0
• Four (2) Two-node Sun Solaris 9 Veritas Clusters 4.0
• 10 Confidential AIX 5.2 Netback up media servers, and
• 14 SUN Solaris V9 Netback up media servers3
• New Installation of 5 Linux Servers V4 and patches.
• Upgraded Sun Solaris 2.6 to Solaris 9 using live upgrade.
• Worked with the vendor to upgrade all the netback 4.5 to 5.1 and upgrade Veritas Cluster from 3.5 to 4.1.