Friday, March 4, 2011

Rajesh@Unix Administrator


                                                    
RAJESH ADEPU
Kuala Lumpur MALAYSIA                                                          
Mobile No: 006-0173412640                                                                     
Mail ID     : rajeshshali21@gmail.com                       
                            

Objective:

   To enhance my present, past credentials and achieve excellence in the interested fields of System Administration. Move ahead towards success with experience and dedication towards the interested field. Aiming to be associated with a progressive organization that gives me the scope to update knowledge and skills in accordance with latest trends and be part of a team that dynamically work towards the growth of the organization and gain satisfaction there of. I can handle any type work under work-pressure with using relax thinking formula. Strong communication abilities, with history of providing on-site support to wide range of clients.
Excellent Zeal to learning new technologies.

Work Experience:

Ø  Around 4 years of experience on UNIX (SOLARIS/AIX) Administrator.
Ø  Working as a UNIX Administrator in IBM, Malaysia.
Ø  Worked as a UNIX Administrator in CITI BANK, Malaysia.
Ø  Worked as a UNIX Administrator in MAHATHI SOFTWARE, Visakhapatnam, INDIA.

Educational qualification:

Ø  B. Tech(Bachelor of Technology-EEE) from JNTU University-2007, INDIA

Professional Certification:

Ø  SUN Certified System Administrator for Solaris 10.(SCSA-1 & SCSA-2)

          Technical Skills:

                      Solaris:
Ø   Knowledge on installation of Solaris on various hardware platforms.
Ø  Security aspects, monitoring and administration of Solaris systems (version 9&10 on SUN Sparc servers)
Ø  Monitoring the File System and CPU load for better performance in SUN Performance Tuning.
Ø  Responsible for monitoring system performance and supporting servers to improve the performance.
Ø  Providing support by handling installation (CJS), troubleshooting & required configuration of the SUN Servers.
Ø  Efficiently handled areas like Veritas Volume Manager, Logical Volume Manager & SVM (Solaris Volume Manager).
Ø  Sole and lead responsibilities included: User Administration, Backup Management, File system management and monitoring system activity.
Ø  Backup and Restore through OS
Ø  Adding  packages and patches
Ø  Configuring Solaris Zones.
Ø  Managing System Services using SMF (Service Management Facility).
Ø  Setup and Managing of NFS. Managing NIS,NIS+
Ø  File system management, user accounts, Quotas and Job automation.
Ø  Configuring FTP Server.
Ø  Security implementation through ACL, RBAC.
Ø  Linux, Shell Scripting.
Ø  Proficiency in C, C++, Assembly C.
Ø  Expertise in operating Systems Linux
Ø  Expertise in operating Systems like Windows98/2000/NT.
Ø  Working knowledge on AIX-IBM, HP-UX.

PROFESSIONAL EXPERIENCE:  IBM Malaysia.

            Location           : Petaling Jaya, Kuala Lumpur.
            Client               : Maxis Telecommunications and Affin Bank
            Duration           : June-2010 to Till Date.
            Position            : Solaris/Aix Administrator
Responsibilities:

Ø  System Administration, maintenance and monitoring various day to day operations.
Ø  Maintain Server health check, hardening and values according documents.
Ø  Process administration and management like monitoring, start/stop/kill various processes/sub-process.
Ø  User Administration and management add/change/delete and User profiles, security authorizations etc…
Ø  Maintain and changing file systems and disk assignments using meta disk.
Ø  Scheduled various regular, periodic, future, queue tasks by using Crontab and At.
Ø  Resolved system errors and crashes, disk space problems, huge file sizes, file system full errors.
Ø  Backup and Recovery with Ufsdump, Ufsrestore.
Ø  SA & D (Decommission servers)
Ø  SVM-(Solaris Volume Manager) creating Meta devices and Implementing RAID levels.
Ø  Security Implementation through ACL, RBAC and TCP Wrappers.
Ø  Controlling the System Logging services and examining system Log files of all system events.
Ø  Domain Console patching, OS patching.
Ø  RAM Memory upgrade according to the client requirements.
Ø  Software Upgrade according client requirement
Ø  Install applicable patches, packages and third party software on Sun Servers.
Ø  Prepare documentation according to work for future reference.
Ø  Having good experience in providing 24 x 7 production servers support




PROFESSIONAL EXPERIENCE:  CITI BANK Malaysia.

            Location           : KLCC, Kuala Lumpur.
            Duration           : Oct-2009 to may 2010.
            Position            : Solaris Administrator
Responsibilities:
                       
Ø  Maintain the Sun Solaris Operating system by installing patches on regular basis.
Ø  Install New Software or upgrades to existing software.
Ø  Troubleshoot problems and work with sun support to resolve them quickly.
Ø  Performance monitoring of system components to detect and prevent problems.
Ø  File system and disk space management on Solaris servers.
Ø  Process management.
Ø  Scheduling the jobs by using Cron and At.
Ø  Log reviewing (Master, Rare root and PB logs)
Ø  End user support.
Ø  Monitor server resources utilization(CPU,memory,disks,etc)
Ø  Monitor system logs and activities on Solaris server.
Ø  Manage and monitor system backups and scheduling backups.
Ø  Efficiently handled areas like VXVM (Veritas volume manager),
 SVM (Solaris volume manager).
Ø  Performing health check on servers (NFS, NIS, NIS+ and DNS) and RAIDS.
Ø  User and groups maintenance




PROFESSIONAL EXPERIENCE:  MAHATHI SOFTWARE

Client               : NCR
Location           : Visakhapatnam
Duration           : June-2007-August-2009
Position            :  Solaris Administrator



Working profile: Working on UNIX platforms mainly Sun Solaris in NIS, NIS+ and DNS environment. Physical Monitoring of storage devices and Setting up network connectivity between systems with TCP/IP

Responsibilities:

Ø  Responsible for Downloading and installing all OS related patches.
Ø  Building of Sun Systems which Includes O/S Installation and Network Interface Configuration, Upgrading with system Processors, RAM, installing patches and packages
Ø  Responsible for building Solaris systems, upgrading systems to latest updates.
Ø  Escalating H/W issues to respective vendors.
Ø  Responsible for building and maintaining a stable environment consisting of Sun Solaris servers in a 24x7 environment. Setting up network connectivity between systems with TCP/IP.
Ø  Adding more swap space to the system.
Ø  Configuration and Maintenance of File Systems.
Ø  Patch and Package management, assist various application support groups in testing various patches and packages in the Standard Testing Environment (STE).
Ø  Automate Batch job processing and management with using cronjob.
Ø  Implemented NFS for administrative and project requirements.
Ø  Monitoring system resources, logs, disk usage, scheduling backups and restore.                                               
Ø  NFS and Auto Mounted Administration.
Ø  Adding devices to the system.
Ø  Providing day-to-day user administration like adding or deleting users, password aging.
Ø  Responsible for day-to-day problems.
Ø  Net Backup using Solaris Back up.





Veritas Volume Manager:

Ø  Implementation &Managing of RAID levels like 0, 1 and 5 using VERITAS Volume Manager.
Ø  Installation and Configuration of VERITAS Volume Manager for Volume Management which includes creating New Volumes, Increasing the size of existing volumes. Using Volume manager to create disk groups and volumes, adding disks into the disk group and replacing failed disks, increase file systems in Vxvm, initialize disk in Vxvm and check Vxvm objects
Ø  Creating Sub disks, Plexes, Logical volumes and Disk groups
Ø  Implementing Raid levels by using Vxmake & Vxassist.
Ø  Creating, Resizing, Restarting, and Removing the Volumes.
Ø  Creating, mounting, of veritas file systems.
Ø  Changing layouts online by using Vxassist
Ø  Increasing the file system size by using Vxassist & Vxresize.




Veritas Net Back-UP:
Ø  Installation and configuration of Veritas Netback up Data center 5.0 and 6.0 on UNIX Platforms.
Ø  Configuration and administration of storage units and Media Devices.
Ø  Designing and planning of Backup policies.
Ø  Manually and automatically initiated backup jobs for previously configured backup policies.
Ø  Restored and from backup images created previously to the original or alternative client systems