Syed Hussain

UNIX/AIX/Linux System Administrator with around 14+ years of experience in Administration. Extensive experience in Logical Volume Manager (LVM), Server Build, Consolidation/Virtualization, disaster recovery and Virtualization. Extensively used HMC-V7/V8 to perform various tasks like upgrading system firmware, creating VIOS and LPARS, performing DLPAR operation to change CPU configuration, changing LPAR profiles, Activating LPARS, LPM, power-off frame etc.

Experience in Installation, Configuration and maintenance of Linux on Power (RHEL6/RHEL7).

Experience in supporting Installation, Configuration and maintenance TSM Server / TSM Client / CommVault.

Experience with NPIV/VSCSI and Live Partition Mobility on Power6, Power7 and Power8.

Experience to build and support Oracle RAC / Purescale / DB2 / Informix / SAP Environment.

Performed

Server consolidation and migration from old standalone to LPARS on power6 / power7 and frames. Expertise in Planning, Installation, Configuration and Maintenance of AIX and Linux.

Experience in Patching (Migration Installation/TL upgrade/SP upgrade/Bundles) on AIX servers.

Experience in installing, configuring and maintaining Linux servers (RHEL 5, 6 & 7) on virtual machines and dedicated servers on x86 platform and p-series.

Experience in performing kernel/firmware upgrades. Extensively worked with SAN storage EMC Clarion and Symmetrix, Hitachi, IBM XIV. Implement and support the tape environment including VTL and 3584 library. Participated in Disaster Recovery tests and recovery of AIX / Linux and TSM server.

Experience working in a SAP Environment and build the servers for SAP Team as per requirement. Assist in installation, configuration and maintenance of SAP.

Experience in Providing 24x7 support for UNIX/AIX/LINUX Servers.

Experience in Shell scripting (ksh, bash) to automate system administration jobs.

Sr AIX System Administrator - Norfolk Southern - GA

(2012-03)

• Build and support production environment for AIX hosting DB2, Sybase, Informix, Oracle RAC
• Capacity planning.
• Build Disaster Recovery Documentation for different application.
• Create Visio diagrams of existing environment of VIOS and VIOC Environment
• Build / Configure and support VIOS and VIOC Environment
• Build / Configure and support NIM Master and Install Operating system on VIOC/LPAR from NIM Master.
• Configure and setup Virtual Ethernet/NPIV/VSCSI/LPM/HMC etc
• Perform migration installation from AIX 7.1 to AIX 7.2
• Perform upgrade on Hardware Microcode / Firmware
• Set up and validate network configuration on AIX / LINUX environment.
• Installed, upgraded and recovered HMC environment
• Worked on Different Projects which involve New server Build, Consolidation, Virtualization etc
• Coordinate with DBA's to perform Oracle / DB2 / Informix Upgrade
• Perform LPM as per requirement on VSCSI and NPIV Environment
• Install / Configure and support RHEL6/RHEL7 on IBM Power 7 and IBM Power 7 (Linux on Power) use NIM Master and VNC for Installation.
• Performed upgrade on HMC and Hardware (Ethernet card, Fiber card, sysplanner)
• Work with TSM/CommVault team for Backups/Restore/Deduplication/ Disaster Recovery
• Build multiple 4 nodes Cluster Environment for Oracle 11g RAC - deployed shared san for ASM, configure OCR, OCRSPF, VOLTING, VIPS and SCAN IPs and support Oracle Team to Bring up CRS.
• Building and configuring a DR Purescale cluster which is a HUR replication of the production clusters.
• Debugged network performance, network communication and network configuration issues
• Performance tuning of applications and DB servers
• Provide and maintain secure environment by restrict/validate user , block port, encryption etc.
• Worked and multiple Patching/Upgrades Projects.
• Monitoring system performance using NMON, TOPAS, VMSTAT and IOSTAT etc
• Oncall 24x7 UNIX/AIX Support

Sr. AIX System Administrator - CVS Pharmacy - Woonsocket, RI

(2011-08 - 2013-03)

• Configure multiple IBM power frames using HMC.
• Perform system firmware upgrade on IBM power frames
• Performed Live Partition Mobility as per requirement on VSCSI and NPIV Environment.
• Extensively work with NPIV, LPM, VSCSI and Virtual Ethernet.
• Create multiple LPARS/ VIOS/VIOC on IBM power frames and assigning processors, memory and Ethernet adapters to VIOS and assigning memory and processor to VIOC (LPARS).
• Perform Installation of VIOS and applying VIOS Fix packs via NIM Server.
• Worked on multiple consolidation projects
• Installation of AIX 6.1 and 7.1 on all VIOC/LPAR Clients via NIM Sever
• Perform migration Installation, from AIX 5.3 to AIX 6.1
• Perform upgrade on Hardware Microcode / Firmware
• Work with TSM team for Backups/Restore/Deduplication/ Disaster Recovery
• Monitoring system performance using NMON, TOPAS, VMSTAT and IOSTAT.
• Performance tuning of applications and DB servers
• Worked and multiple Patching/Upgrades Projects
• Written Shell scripts to automate daily tasks.
• Installed, Configured, Administered, and Supported IBM Web Sphere Application Server 6.0/7.0 on Linux and AIX servers.
• High level security remediation for the utmost security to the environment.

Senior UNIX Administrator - Wipro (Infocrossing) - Boulder CO

(2010-06 - 2011-08)

• Planning designing and engineering UNIX infrastructural issues and doing capacity planning, and securing the environment from unplanned outages and making it highly available.
• Managing and monitoring servers through SDMC/HMC
• Installing and build from scratch complete NIM Setup. Added different clients to NIM server and their Backup and restores.
• Configured HACMP clusters Environment
• Administered the UNIX System for clustered AIX Servers running HACMP and dynamic LPARs with fiber attached SAN storage.
• Installing VIO server Advanced POWER Virtualization on IBM P5 System. Assigned resources by making partitions LPAR client of VIO server and clients Installation.
• Performance tuning of AIX
• Perform day to day System Administration tasks hardware and software problems. Monitoring the errors configuring syslogd daemons and working on led error on different boxes.
• Troubleshoot network and hardware failure.
• Prepare script in ksh, to administer the system, Monitoring logs and meeting the requirements of Applications.
• Update Microcode Level of Managed system and firmware level.
• Monitoring system performance using NMON, TOPAS, VMSTAT and IOSTAT etc
• Oncall 24x7 UNIX/AIX Support

AIX System Administrator - EMC - St Louis, MO

(2009-12 - 2010-06)

• Building of new VIOServers and clients from p-series p550, p560, p570, p590 using HMC
• Creating Logical Partitions of VIOServers and VIOClients on pSeries frame and assigning processor, memory and Ethernet adapters to VIOS and assigning memory and processor to VIOC (LPARS).
• Installation of VIOS 1.5.2.5, VIOS Fixpack 11.1 Service Pack via NIM Server.
• Installation of AIX 5.3 on all VIOC/LPAR Clients, installation via NIM Sever
• Installation and configuration of VIO servers and updating system firmware by using HMC along with Logical Partition technology (LPARs).
• Performance tuning of applications servers and DB servers
• Performed Security on users, group's administration and daily backup and restore operations, networking service, performance, and resource monitoring.
• Responsibility for installation, Configuration and Troubleshooting of TSM as secondary admin.
• Single point of contact for HACMP Cluster issues & support
• Creating and applied a cluster snapshot during cluster failure because of configuration changes in HACMP cluster environment.

AIX System Administrator - The Home Depot - Austin, TX

(2007-11 - 2009-12)

• Installing and build Lpar, from scratch through NIM. Added different clients to NIM server and their Backup.
• Installing VIO server Advanced POWER Virtualization on IBM P5 System. Assigned resources by making partitions LPAR client of VIO server and clients Installation.
• Performance tuning of AIX
• Responsible for creating maintaining and managing LPARS, LPARS and VIO with HMC console
• Backup and Restore of mksysb Images on DVD and tape devices.
• Scheduled Backup of HMC on DVD's and Restored HMC from its backup.
• Build and configuring new HMC from Scratch.
• Day to day System Administration tasks recovering failed hardware and software problems.
• Troubleshoot network and hardware failure.
• Prepare script in ksh, to administer the system, Monitoring logs and meeting the requirements of Applications.
• Update Microcode Level of Managed system and firmware level.

Masters - Computer Science