Ramaswamy N Potarlanka

**** ********* **** *********, ** 21704

Ph# 203-***-**** E-mail : acq1oq@r.postjobfree.com

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

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