Manager Maintenance
Resume:
*******@*****.***
Sibin Kariyadan
PROFESSIONAL EXPERIENCE:
Total Experience: 14.5 Yrs.
WIPRO Technologies Ltd, Phoenix, USA April 2015 – Present (4 yrs.)
Senior Technical Consultant
WIPRO Technologies Ltd, Chennai, India Sep 2011 – March 2015 (3.5 yrs.)
Lead Administrator
HCL Info Systems Ltd, Chennai July 2007 – Aug 2011 (4 yrs.)
Customer Engineer
HCL Info Systems Ltd, Kannur July 2004 – June 2007 (3 yrs.)
OJT
EXPERIENCE SUMMARY:
Specialized experience in AIX Administration and Production Support of various systems on AIX 5.3/6.1/7.1
Thorough understanding of fundamentals of AIX UNIX kernel and file system concepts.
Advanced experience in working with NIM to provision, upgrade OS, creating OS backups and recovery process.
High level experience with HMC installations and administration.
Advanced experience with AIX LVM administration.
Advanced experience with HACMP, Power HA.
Excellent experience in installation, configuration and upgrade of VIO Servers.
Excellent trouble shooting skills with AIX tools.
Experience with working in Production, Development and testing environment.
System Administration of High end Enterprise level frames from IBM
Maintenance & Troubleshooting of complex technical issues in Data Centre hosting AIX along with TSM backup
Planning, Installation and Migration of Servers from one version of AIX to another version (Ex: AIX 6.1 to AIX 7.1)
LVM management and Storage migration from IBM to Hitachi VSP and Hitachi VSP to Hitachi G1000.
Experience in monitoring the availability & performance of AIX Servers through tools like vmstat, netstat, vmstat and iostat.
Good experience in Shell scripting.
Experience in migration of Physical to Virtual and Virtual to Physical servers.
Experience in Sun Solaris 9 &10 administration.
Experience in Veritas Volume Manager administration
Experience in Veritas Cluster Manager administration
Installation and administration of Redhat Enterprise Linux and SUSE Linux.
Installation and administration of Windows 2000/2003 servers with active directory.
SKILL SET:
IBM AIX 5.3, 6.1 & 7.1
IBM Power HA 6.1 & 7.1
Solaris 9 & 10
Linux Red hat and SUSE
Veritas Volume Manager
Veritas Cluster Manager
Microsoft Windows 2000/2003
CERTIFICATION:
IBM CERTIFIED SYSTEM ADMINISTRATOR AIX 7
AWS Certified Solutions Architect – Associate
Implementing Microsoft Azure Infrastructure Solutions
EDUCATION:
Diploma in Computer Hardware Maintenance (3 Years Course)
WORK EXPERIENCE:
NESTLE GLOBE IS/IT Services, Phoenix, USA
April 2015 – Present
Role: Sr. AIX Administrator
Job Responsibilities:
Administration and Maintenance of AIX Servers with Disaster recovery site.
System Administration of High End Enterprise level frames from IBM.
Maintenance & Troubleshooting of complex technical issues in Data Centre hosting AIX & Windows hosts operating system along with TSM Backup environment.
Analyze all the problems reported by offshore team and provide workarounds and if required work with Vendors for all the Hardware / Software related calls.
IBM AIX Server consolidation by moving LPARs/VLPARs to new hardware and decommission old one.
Planning and Deploying Patches & Security Hot-fixes on IBM AIX servers and VIO Servers.
AIX and VIO upgrade to new validated level every year.
IBM Power System firmware and Fiber/Network adapter firmware upgradation
SPOC for all AIX Projects, Bundles and other activities for whole US region.
Work together with SAN, Storage and TSM and Maintenance & Trouble shooting of complex technical issues in Datacenter.
Proactively collaborate to achieve continuous improvement initiatives.
Assist the Change team for Change creation & create technical documents for the CR.
NIM server administration
Storage migration from Hitachi VSP to Hitachi G1000, end to end planning and implementation with help of Storage team.
HMC version upgradation.
IBM Power frame firmware upgradation.
NESTLE GLOBE IS/IT Services, Chennai, India
March 2012 – March 2015
Role: AIX Administrator
Job Responsibilities:
Administration and Maintenance of AIX Servers with Disaster recovery site.
Logical Volume Management (LVM) administration of AIX.
Responsible for Installation, upgradation, Configuration Management, Maintenance and Systems Development of AIX Systems, using NIM.
AIX Operating System Migration from AIX 6.1 to AIX 7.1
Experience in creating a dual VIO server Setup with an IBM HA Clusters
System partitioning and virtualization utilizing IBM AIX POWER LPAR/DLPAR technology and Virtual IO Server ( NPIV,Virtual SCSI, Virtual Ethernet etc)
File system – creation and managing, checking file system integrity, working with fsck, logical volume planning and configuration. File system housekeeping activities such as log files housekeeping, increasing file systems if there is any data growth.
Installation of Patches/APARs related to AIX OS and proactive maintenance which involve upgrading the OS.
LPAR Creation in Virtualized and non-Virtualized environment.
Power HA installation and configuration.
Storage migration from IBM to HITACHI.
HCL Infosystems Ltd, Chennai, India
July 2007 – Sep 2011
Role: UNIX Administrator
Job Responsibilities:
Configure, organize, implement and administration of SUN servers which hosting Solaris 9 and 10 OS.
User and group administration.
Raid configuration and maintenance with SVM
Job schedule and automation using cron and at
Patch and software management
Backup and recovery
Configuration and maintenance of NFS and NIS
Monitoring log files, Health check and file system usage check.
Installation, Implementation and Maintenance of VxVM and VCS.
Configure and administration of NFS, NIS and DNS.
Solaris Zone configuration and administration.
Package management using RPM, YUM and UP2DATE in Red Hat Linux.
Installation and deployment of the VMware ESX containers for the VM cloud and Vsphere .
Experience in VMware ESX (VSphere) 4.x, 5.x hypervisor for virtualization and installation different OS such as SUSE and Red Hat Linux.
HCL Infosystems Ltd, Kannur, India
July 2004 – June 2007
Role: UNIX and Windows Administrator
Job Responsibilities:
Installation and administration of Redhat Enterprise Linux 3.0 and 4.0
Installation and administration of Windows 2000/2003 servers with active directory.
Experienced in applying monthly updates to windows servers 2000 and 2003.
Configure and administration of NFS
User and group administration.
Mirroring and RAID configuration
Software management
TRAINING UNDERGONE:
IBM AIX AN12, AIX Implementation and Administration
IBM AIX AN15, AIX Advanced Administration and Problem Determination
IBM AIX AN41, Power HA Implementation Configuration and Administration
IBM AN30, Power System Virtualization
IBM AN61, Power HA System Mirror
Red Hat Enterprise Linux 6
IBM Pureflex
AWS Certified Solutions Architect
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