SUMMARY

• Having 9.2 years of IT experience in UNIX Administration.
• Working as Team Lead for UNIX Team.
• Great work experience in IBM AIX - 5.3/6.1/7.1 administration.
• Great work experience in VIO 1.5/2.1/2.2, Power HA 6.1/7.1,HMC and IVM.
• Good experience in IBM Power6/7/8 and IBM Power Intel hardware.
• Great experience on RHEL-6 administration.
• Experienced in AIX/VIO upgrades and server migrations from one location to other.
• VMWare ESX/VSphere/VBLOCK experience in building Linux VM’s using EMC VMAX.
• Configuration of class1 RHEL servers on High availability with VPLEX data stores.
• Hands on technical experience in identifying and resolving various production issues.
• Extensively involved in major projects like AIX server’s migrations to Power8 frames and RHEL.
• Good experience in NIM server configuration and NIM installations.
• Having good experience in Solaris 9/10 administrator.
• Hands on experience in VERITAS Volume Manager and VERITAS Cluster Services.
• Good knowledge on Shell scripting.
• Make sure to implementation of RHEL patching for every 3 months.
• Capacity planning for every week on all the LINUX and AIX servers.
• Good experience in ProMon and PowerVC.
• Goo experience on WPARs.
• Used various ticketing tools like ServiceNow, Maxima and BMC Remedy.

TECHNICAL SKILLS

Operating Systems: IBM AIX 5.3/6.1/7.1, RHEL 6.X.Solari10

Key Skills: Network Installation Manager, Virtual IO, HMC,Power HA 6.1/7.1,Veritas Volume Manager & VCS

Hardware: POWER5,POWER6,POWER7,POWER8,SunFire-V880,VMWare ESX/VSphere/VBLOCK

Storage: IBM XIV.SDD, EMC Symmetric/Clarion

Scripting Languages: Unix Shell

PROFESSIONAL EXPERIENCE

Confidential

UNIX Team Lead

Responsibilities:

• Providing 24 X 7 production support of 720+ AIX servers and 290 RHEL servers.
• Daily Operations: Attending regular Operation calls and working towards SLA reports.
• Implementation Plans: Providing Technical plans for all implementations plans.
• RHEL Administration: Building RHEL servers, troubleshooting different kinds of issues creating/Resizing FS,DR configuration, Samba configuration, NFS mounts, Adding Memory /CPU/swap, Patching using satellite server, RPM installations, working with vendor for hardware/software issues, User administration, Infinyband Configuration, Capacity planning .
• AIX Upgrades: Performed Upgrades from AIX 5.3 to AIX 6.1 /AIX 7.1 and AIX 6.1 to AIX7.1, VIOS 1.5/2.1 to VIOS 2.2.3 migrations
• AIX Migrations: LPAR Migrations from power 6/7 to Power 8 with in same site, LPAR migrations from one site to other site. Luns migrations from Old SVC to new SVC at AIX level by using mirroring/un-mirroring. Performed cluster upgrades from HACMP 6.1 to Power HA 7.1, Cluster servers migration from Power7 to Power8.
• Builds: Built 250 AIX LPARs, 100 RHEL VM and 10 VIO servers.
• Cluster: Setup 10 new power HA 6.1/7.1-XD clusters, Power HA upgrades .
• Dual VIO set up to all Production Lpars and Live Partition Mobility
• AIX /HACMP/ VIO/HMC/LPAR/DLPAR Administration: File system increasing, shared VG creations, adding resource groups, fall over-fallback periodical testing. Logical Volume Management, File system Housekeeping, APAR Installations, User Administration, Server Health checks, TL-SP upgrades. Configuring NFS exports. Increasing memory/CPU entitlements/virtual CPUS, creating virtual SCSI, Virtual Ethernet, Virtual FCS, NPIV Adapters, LHEA, SEA adapters. Mapping disks from VIO server to VIO clients, Mirroring/Un-mirroring, alt clones.
• Configured ProMon and maintaining AIX environment in standard way.
• Performance Tuning for effective performance.
• Maintaining mksysb Backups and Restorations.
• Patching: Updating latest service packs as part of patching cycle.
• Incident/Change/Problem Management: Using ServiceNow ticketing tool.

Environment: IBM POWER 6/7/8, VMWare ESX/VSphere/VBLOCK, AIX 5.3/6.1/7.1, Power HA 6.1/7.1,VIO 1.5/2.1/2.2/2.3 , RHEL6.X, Solaris 9/10

Confidential

Sr. UNIX Administrator

Responsibilities:

• Providing 24x7 Remote UNIX System Administration Support.
• Support and Maintenance of 500+ servers.
• Incident/Change/Problem Management: Handling Incidents /Service Requests /Change Requests using BMC Remedy Tools.
• Administration Tasks: Logical Volume Management, File system Housekeeping, APAR Installations, User Administration, Server Health checks, TL-SP upgrades. Configuring NFS exports, Increasing memory/CPU entitlements/virtual CPUS, creating virtual SCSI, Virtual Ethernet, Virtual FCS, LHEA, SEA adapters. Mapping disks from VIO server to VIO clients.
• Software upgrades: Performed AIX 5.3 to AIX 6.1, VIOS 1.5 to VIOS 2.1 migrations.
• HACMP Administration: File system increasing, shared VG creations, adding resource groups, fall over-fallback periodical testing.
• VIO/HMC/LPAR/DLPAR Administration: Increasing memory/CPU entitlements/virtual CPUS, creating virtual SCSI, Virtual Ethernet, Virtual FCS, LHEA, SEA adapters. Mapping disks from VIO server to VIO clients.
• Go-Live Operations: Working with Build team and performing the preproduction readiness task before sending servers into Go-live. Supporting DR activities.
• Hardware: Working with IBM for H/W replacements like Disk/adapter/DIMM/Sysplanar/Power supply.
• Documentation: Preparing Technical/Process documentations for project support.
• Training: Conducting KT sessions for team on project tasks.
• Other Activities: Handling daily basis production/Customer calls. Working with vendor’s software/Hardware support teams. 24 X 7 ON-CALL Supports.

Environment: AIX 5.3/6.1, IBM Power5/6/7, Solaris 9/10Mahindra Satyam

Confidential

UNIX Administrator

Responsibilities:

• Providing 24x7 Remote UNIX System Administration Support.
• Support and Maintenance of 500+ Solaris Servers and 20+ AIX servers.
• Incident/Change/Problem Management: Handling Incidents /Service Requests /Change Requests using BMC Remedy Tool.
• Software upgrades: Installation of patches and packages, VERITAS Netbackup client’s upgrades.
• OS Administration Tasks: Logical Volume Management, File system Housekeeping, APAR Installations, User Administration, Server Health checks, Increasing memory/CPU entitlements/virtual CPUS, creating virtual SCSI, Virtual Ethernet, Virtual FCS, LHEA, SEA adapters. Mapping disks from VIO server to VIO clients..
• Hardware: Worked with vendor to replace the failed hardware.
• VXVM administration: Resizing the FS, replacement of failed disks.
• Troubleshooting of software and hardware issues.
• Server maintenance - FS thresholds & CPU utilization.
• Configuration of Schedule Cron jobs.
• User management & File management.
• Trouble shooting of Hardware/Software problems.
• Adding/removing the SAN disks to the servers.

Environment: Sun Fire V 440/480/880/890 , IBM POWER5/POWER6

Confidential

UNIX Administrator

Responsibilities:

• Providing 24x7 Remote UNIX System Administration Support.
• Support and Maintenance of 500+ Servers.
• OS installations and configurations.
• User administration.
• File systems creations & providing permissions.
• Technology Level Upgrades.
• Patch & package installations.
• VERITAS Volume Manager Administration like creating disk groups, adding disks, creation of FS and resizing.
• Cronjob Scheduling.
• Troubleshooting Hardware & Software issues.

Environment: Sun Fire V 440/480/880/890 , IBM POWER5/POWER6