Ramaswamy N Potarlanka
**** ********* **** *********, ** 21704
Ph# 203-***-**** E-mail : ********@*****.***
SUMMARY
An information technology professional with over 24 years of experience with exceptional knowledge, skills, and ability supporting a diverse and complex environment and develop simple to understand solutions with delivering and driving integrated client and customer facing strategies.
Responsibilities:
Successful background working with stakeholders to develop architecture framework that aligns strategy, processes, and IT assets with business goals.
Work closely with project managers, developers, infrastructure team to minimize expenditures, and improve overall synergy within organization.
In-depth experience establishing best practices and guidelines for selecting, developing, and implementing information systems within enterprise.
Acute knowledge of hardware, software, networking, applications, and systems engineering.
Excellent communication, presentation, and organizational skills.
Provide technical expertise on the future-state architecture to clients and team members.
HARDWARE
IBM POWER 7, POWER 6 & POWER 5 (Models: IBM 9117-MMC, 9117-MMB,9117-MMA,8203-E4A,8204 E8A,8205-E6B,8205-E6C,8233-E8B,9111-520,9117-570,9131-52A, X series: 3850, 3650)
Sun T series, Sun Fire 6900,4900, 6800,4800,3800,1280,880,480R, 280R, Sun Enterprise 6500, E5500, 4500 E3500, E450, E250, Sun Ultra 10, Sun Ultra 5, Sun Ultra 2, Sun UltraSunSparc10, Sun Sparc 20, Sun Storage Hardware like 3510, A5200, A3500,A1000,D1000,S1, D130,, SILICONGRAPHICS Challenge DM, Challenge S, Indy,Indigo2 O2, Octane, Digital Alpha series DEC3000/800, DEC 500
SOFTWARE
AIX 6.1, 5.X, 4.X, VIOS, Sun Solaris 10/9/8/7/2.6/2.5.1, SuSe LINUX 10/9, UNIX Shell scripts, Perl, C, Veritas Volume manager 6/5/4/3.X, SUN Volume Manager, Sun Cluster 3.X/2.X, Veritas Cluster 6/4/3/2.0, VXFS, TCP/IP, DNS, NIS, NFS, AUTO MOUNTER, IRIX 5.3, 6.2, DIGITAL UNIX 4.0 with Advfs, OSF 3.2
CERTIFICATIONS
Sun certified Solaris systems administrator
Sun certified network administrator
IBM certified P series systems administrator
SuSe certified LINUX administrator
Redhat certified LINUX administrator
ITIL certified
EDUCATION
Bachelor of Technology In Computer Science & Engineering
Diploma in Computer Engineering from Institute of Electronics
TRAININGS
AIX administration
AIX Performance
AIX trouble shooting
AIX LPAR/HMC
Solaris 10
SuSE LINUX
Redhat LINUX
IBM Power VM
VMWARE
WORK EXPERIENCE
Tech Lead
Employer: IBM
Fannie Mae, Urbana MD,USA. Apr 2014-Present
Successfully developed strategy to consolidate servers running SAS application to less number of servers. This helped save SAS license costs & maximized the utilization of hardware by saving almost half a million dollars
Was part of developing the design strategy for disaster recovery data center & clone of the Power series servers
Performed design reviews across company and collected enterprise architecture performance metrics to assure continuous improvement.
Successfully developed & lead the project to copy/sync Data between production & DRE site
Provided High Availability solutions for customers with different OS & application combinations
Designed virtualized solutions on AIX POWER servers for running Oracle & SAS applications
Helped in capacity planning of POWER servers, architecting & building LPARs & VIO servers
providing support for team members on IBM Power series servers, AIX,VIOS,HMCs etc.,
Providing production support for servers running AIX, Solaris & LINUX operating systems
Providing support SAS users for setup& issues
Support for M&A business cluster
Handling various projects
Projects:
SAN Array migrations on AIX with LVM
SAN Array migrations on Solaris/LINUX with Veritas Volume Manager
Build of new servers with AIX/Solaris & LINUX operating systems
Building & configuring VIOS servers with virtual device support for LPARs
Veritas Volume manager upgrades
Build of VCS clusters on Solaris/AIX/LINUX
AIX patch rollouts
Solaris patch rollouts
LINUX patch rollouts
Senior UNIX administrator
Fannie Mae, Urbana MD,USA. Dec 2007-Mar 2014
Support for Datawarehouse & M&A business cluster
Providing support for team members on IBM Power series servers, AIX,VIOS,HMCs etc.,
Providing production support for servers running AIX, Solaris & LINUX operating systems
Installing SAS, upgrading SAS software, managing SAS licenses on servers running SAS
Providing support to SAS users for setup& issues
Primary responsibilities:
Building & configuring IBM POWER VIO servers, LPARs & HMCs
Building & configuring Solaris servers Zones, LDOMs etc.,
Building & configuring SuSE LINUX servers
Building & configuring VCS cluster servers
Supporting users running various applications like SAS, Oracle, web services, Abinitio etc.,
Creating UNIX file systems, groups, netgroups, home directories etc.,
Fixing issues with the servers
Following up with vendors for OS & HW issues
Helping users with SAS, Oracle, Abinitio, web configuration etc.,
Installing required packages like Java, Matlab, enscript, etc., upon request from users
Projects:
SAS consolidation
Data center swap
Hardware cutovers
Sun hardware server migrations
POWER server hardware migrations
Solaris 8 to Solaris 10 upgrades
AIX 5.3 to 6.1 upgrades
SAN Array migrations on AIX with LVM
SAN Array migrations on Solaris/LINUX with Veritas Volume Manager
Migration of servers between data centers
Build of new servers with AIX, Solaris & LINUX Operating systems
Veritas Volume manager upgrades
Veritas cluster server upgrades
HMCs upgrades
SAS software upgrades
Solaris/AIX/LINUX patch rollouts
Fannie Mae, Urbana MD,USA. June 2005-Dec 2007
UNIX systems Administrator
Worked as UNIX systems Administrator supporting servers running Solaris and AIX with Veritas Volume Manager and File system, Veritas cluster with different applications.
Primary responsibilities:
Supporting E-business( Mornet Plus) cluster in the weekends
Implementing projects like Solaris patch roll out, Vxvm and Vxfs Upgrade, San migration etc., and other changes
Resolving issues related to Solaris, Vxvm, Vxfs, VCS and AIX
Implementing Change controls related to other clusters as well along with E-business as part of weekend support
Helped in configuring IBM HMCs for Data warehouse cluster
Projects:
Solaris/AIX patch rollouts
Migrating servers from local storage to SAN storage
Build of new servers with AIX, Solaris & LINUX Operating systems
Veritas Volume manager upgrades
Veritas cluster server upgrades
HMC upgrades
IBM, Southbury, CT,USA. Apr’2000-May 2005
UNIX systems Administrator
Presently working as UNIX systems Administrator supporting more than 500 servers with servers running Solaris, AIX, Linux, Sun Cluster 3.1,3.0 and 2.2, Veritas Cluster Manager 2.0 Veritas Volume Manager, Sun Volume Manager, Cluster Volume Manager, Veritas file System with applications such as Oracle, Oracle Parallel server, Netscape, Clarify, WebSphere etc.
Primary responsibilities:
Installing Sun Solaris 9/8 using jump start server on servers like Sun Fire 6800, 4800, 3800,1280,880 etc., servers.
Installing Sun Cluster software, Veritas cluster software, configuring the cluster and customizing the cluster per the requirement
Installing Veritas Volume Manager, Cluster Volume Manager, Sun Stor Edge Volume Manager and VXFS File Systems.
Unix Shell and Perl scripting
Installing and Upgrading patches and packages as and when required.
Creating Volumes and file systems per the requirement and maintaining them
Supporting Solaris 9/8/7/2.6, Sun Cluster 3.1,3.0 and 2.2 and Veritas cluster 2.0 with oracle parallel server, Oracle, Netscape and Clarify applications with one, two and no logical hosts/resource groups, Veritas Volume Manager 3.5/3.2/ 3.1/3.0.4/3.0.2, Sun Volume Manger, Cluster Volume Manager and Veritas File system 3.4/3.3.3/3.2.1.
Configuring the servers for security according to the security guide lines and customizing to the requirement
Job responsibility also includes Supporting IBM Pseries/RS6000 servers running AIX (IBM UNIX) 5.2/5.1/4.3 and Redhat Linux
Configuring the Solaris, AIX and Linux servers for network support
Upgrading Solaris, AIX and Linux
Installing and Configuring Tivoli Storage Manager clients
Configuring NTP, sendmail and ESM clients
Supporting application teams and end users
First Usa, Elgin, IL, USA August’99 – March’2000
Sun Solaris Administrator
Installing Sun Solaris 2.6 on different systems like E6500, E3500, E450, E250 and other workstations
Installing Veritas volume manager, Disksuite 4.0 and creating volumes and file systems
Installing Patches from Sun site
Installing software packages
Installing sun hardware & upgrading systems for more disk space, memory & CPUs
Writing shell scripts
Creating user accounts
System tuning and monitoring
Installing and configuring terminal servers
Supporting users
Configuring NFS, DNS clients
Helping Other administrators in solving problems with IBM S70/S7A servers
National Remote Sensing Agency, India Oct'96 – May 99
Sun Solaris Administrator and Network administrator
Installed and maintained Sun Solaris 2.5.1 on different sun systems
Installed latest patches from sun web site.
Worked with NIS, NFS, DNS and Auto mounter
Unix shell programming (Bourne and Korn)
System tuned and performance monitored
Administered License Manager on sun servers
Studied & upgraded existing network by connecting machines to ATM switch
Configured ATM switch
Administered SILICON GRAPHICS systems with IRIX platform
Administered DIGITAL systems with DEC UNIX 4.0
Administered IBM systems with AIX 3.2, 4.0
Installed drivers required for various hardware
Maintenance & Administering Systems, National Remote Sensing Agency, India Jan'94 - Sep'96
UNIX System Administrator and Hardware Maintenance engineer
Installed and maintained Sun Solaris 2.5.1/2.3 on different sun systems
Installed latest patches from sun web site.
Unix shell programming(Bourne and Korn)
System tuned and performance monitored
Installed the hardware on machines from various vendors such as SUN, SILICON GRAPHICS, IBM, & DIGITAL and configure it.
Isolating hardware and software problems and taking corrective actions for these problems
Administering file systems
Adding hardware required for expansions and configuring
Adding disks, printers and other peripherals
Configuring machines for network applications
Loading required software like device drivers and application software
Writing and analyzing shell scripts
Upgrading the existing configuration
User accounts management
Taking system backups
Fine tuning of systems for various applications
Configuring DNS & NFS
Coordinating the Engineers for other activities
Administering the machines include Sun SPARC 10, Sun Sparc 20, Sun Ultra1, Silicon Graphics O2 Octane, Indigo, Challenge DM, Challenge S, Digital Alpha DEC 3000/800, DEC 500, IBM RS600 etc.
National Thermal Power Corporation, India Nov'92 - Dec'93
Isolated hardware problems
Taking corrective actions for these problems
Repair of hardware.
Maintenance of X86 systems
Installing software
Installing SCO UNIX and DOS
Maintenance of Personal Computers Jun'90 - Sep'92
Installation and support of personal computers with UNIX & DOS platforms at various locations of South India.
Handled the Project for Kala Kaumudi (Newspaper), for their computerization of Offices in Trivendrum, Calicut Aleppy
Supported many other clients like Defense, Indian School of Dravidian Linguistics (Trivendrum), Kerala Government Offices etc., on account of computerization of their offices.
Helped the customers in rectifying bugs in DTP software.
Installed hardware peripherals and software on PCs