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Packiarajan Siva

Sr.Infrastructure Architect

Work experience

Jan 2008Present

Sr.Infrastructure Consultant

Cognizant Technology Solutions Pvt. Ltd.

Over all 25+ years of experience in Planning, Designing, Implementation and Administration of High Availability UNIX Cluster Servers. Planning and designing of Virtual Infrastructure, VMWare. 14+ Years’ experience in Plan / Build and Support of Mission Critical Enterprise Storage Solution in EMC SAN V-MAX / VNX – Unified Storage/ Hitachi VSP / Hitachi Unified Storage Data Domain / Clariion / Symmetrix / NetApp NAS environments and Cloud Computing and Backup Technologies viz. Veritas NetBackup and CommVault.

Cuirrent Position:  SR.INFRASTRUCTURE ARCHITECT • Cognizant Technology Solutions INDIA PVT. LTD., JAN 2008 To TILL DATE

 KEY ACTIVITIES: Architecture Strategy:

·        Participates in domain technical and business discussions relative to future architecture direction.

·         Aligns architectural strategy with business requirements.

Architecture Road map:

·        Assists in the analysis, design, and development of a road map and implementation plan based upon a current vs. future state in a cohesive architecture viewpoint.

Standards, Policies and Procedures:

·        Supports and participates in developing policies, standards, guidelines and procedures.

·        Designs standard configurations and patterns.

 Architecture Requirements:

·        Gathers and analyzes data and develops architectural requirements at project/program level.

·        Aligns architectural requirements with IT strategy.

·        Assesses near-term needs to establish business priorities

Architecture Compatibility:

·        Consults with project teams to ensure compatibility with existing solutions, infrastructure and services.

Reuse:

·         Identifies opportunities for reuse.

Continuous Improvements:

·         Analyzes the current architecture to identify gaps and develop opportunities for improvements.

·        Analyzes the current technology environment to detect critical deficiencies and recommend solutions for improvement.

Consulting:

·         Provides strategic consultation to clients and IT teams.

·        Advises on options, risks, costs versus benefits, system impacts, and technology priorities.

Other Activities:

·        Served the role of Team Lead and IT Architect to support and deliver services to steady state for various customer.

·        Expertise on system, Operating systems, Storage and Cloud Infrastructure architecture.

·        Designed and deployed physical and virtual servers.

·        Plan, design and Implement Storage (SAN/NAS).

·        Plan & design Hyper Converged Cloud infrastructure for on-premises private cloud using Nutanix.

·        Assessment of Server, Storage and Backup technologies.

·        Responsible for defining and documenting architecture, capturing and documenting              non-functional (architectural) requirements.  Preparing estimates and defining                           technical solutions to proposals (RFP's).

·        Analyze technical requirements for an initiative or problem related issues.

·        Performed gap analysis and reviewed infrastructure for any issues and recommended solutions as per best practices.

·        Excellent oral and written communication skills coupled with excellent interpersonal and consultative skills and demonstrated success applying these skills working with vendors, clients, peers, and IT management and staff

·        Planning and Implementation of Nutanix Clusters.

·        Discussion with Key Stake holders understand the requirements.

    PROJECTS:Client: Logitech, USA (Through COGNIZANT TECHNOLOGY SOLUTIONS)                                                                                           Sept. 2010 to June, 2011.Storage Consultant.

 

Ø  Plan / Design and Maintenance   of EMC V-MAX

Ø  Storage provisioning for AIX / Solaris /Windows 200 and VMware ESX hosts

Ø  Configured Data Domain for De-duplication / Troubleshooting VERITAS Net backup.

Ø  Install / Configure NetApp File systems

Ø  Configure Aggregates / Volumes / Qtrees/ Snapshots

Ø  Configure CIFS / NFS / Snap vault  / Snap mirror on NetApp

Ø  Upgrade Shelf / Disk firmware upgrades.

Ø  Zoned Brocade / McData DS24M switches using Connectrix Manager / DCFM (Datacenter Fabric Manager)

Ø  Troubleshooting of Storage Area Network Environment (SAN) / NAS environment and HP Enclosures.

Client: eBay INC (Through Cogniznat TECHNOLOGY SOLUTIONS)                                                                                                     August,  2009 –  Sept. 2010. Storage Consultant.

 

Ø  Storage provisioning for Unix Solaris machines from Hitachi Storage AMS1000/2000.

Ø  Storage provisioning on Hitachi Storage for Veritas Cluster having Veritas Volume Manager.

Ø  Troubleshooting Veritas Netbackup.

Ø  Installed Veritas Cluster servers on Solaris boxes.

Ø  Zoned Brocade / McData DS24M switches using Connectrix Manager / DCFM (Datacenter Fabric Manager)

Ø  Migration of volumes from one Veritas Cluster server to another VERITAS Cluster Server.

 

Client: Milwaukee Journal Sentinel (Through Cognizant TECHNOLOGY SOLUTIONS)                                                                  May, 2009 – June, 2009.

Storage Consultant.

 

Ø  Storage provisioning for Windows boxes / Unix Solaris  /VMWare environment.

Ø  Upgraded Power Path 4.5 to 5.2.0 on Windows servers / Cluster servers

Ø  Zoned McData DS24M switches using Connectrix Manager and Cisco MDS switches.

Ø  Environment validation for the flare code upgrade 02.19 to 02.26 on EMC Clariion CX 700 was done.

Ø  All the metrics were compared with Validation Check list using E Lab navigator.

Ø  HEAT Analysis for all servers and Switch Analysis (SWAT) for the fiber channel switches were done.

Ø  All the required remediation carried out as per EMC Recommendation for the Flare Code upgrade.

 

 

 

 

 

Client:   Michael Stores INC. (Through Cognizant TECHNOLOGY SOLUTIONS)                                      

Aug.2008 –  May 2009.

Storage Consultant.

 

Ø  Install, configure and support EMC DMX / Clariion boxes.

Ø  Configured Failover / Load balancing using EMC Power Path.

Ø  Configured SRDF/S, SRDF/A using Replication Manager.

Ø  Configured Time Finder Clone / Snap and BCV’s using SYMCLI and EMC Control Centre (ECC).

Ø  Troubleshoot day-to-day problems on SAN/ NAS.

Ø  Adhered strictly to Problem/Change Management policies of the organization.

 

Client: Emdeon Business Services, TN, USA. (Through Cognizanat TECHNOLOGY SOLUTIONS)

Jan., 2008 to April, 2008  

Storage Consultant

 

Ø  Install, configure and support EMC Clarion / Symmetrix.

Ø  Created LUNs /Meta Luns on Symmetrix arrays.

Ø  SAN Provisioning and Symmetrix Device Masking using SYMCLI on DMX arrays.

Ø  Create Luns / Meta Luns on DS8000 using Storage Manager.

Ø  Administration of IBM DS8000 SAN. 

Ø  Configured Clarrion CX3 arrays using Navisphere Manager.

Ø  Creation of Luns, RAID Groups, and Lun Masking on Clariion boxes.

Ø  Zoning on CISCO MDS Directors using CLI (Command Line Interface) and Fabric Manager.

Ø  Troubleshooting connectivity issues on Symmetrix / Clariion arrays.

 

 

EVT Corporation-Through Sunrise Systems Inc

Client: Countrywide, SimiValley, CA   Aug.,2007 to Nov., 2007

Storage Consultant.

 

Ø  Install, configure and support EMC Clarion / Symmetrix.

Ø  Created LUNs (Standard Devices) and Symmetrix Device Masking using SYMCLI on DMX.

Ø  Used Navisphere Manager for creation of Luns, RAID Groups, and Lun Masking on Clariion boxes.

Ø  Configured Failover / Load balancing using EMC Power Path.

Ø  Configured and maintaining the HBA’s (Emulex).

Ø  Zoning on Brocade Switches using Web Tool, CLI and EMC Control Centre.

Ø  Configured Time Finder Clone and BCV are using SYMCLI and EMC Control Centre (ECC).

Ø  Installed NETAPP NAS cluster filers for production systems.

Ø  Installed & upgraded Data ONTAP 7.2.2 and Disk Firmware.

Ø  Configured Aggregates, Volumes, Qtrees, Snap mirror, Snapshots & Snap Vault.

Ø  Configured CIFS / NFS.

 

 

 

 

 

 

 

EVT Corporation - Through Sunrise Systems Inc.(USA)

Client: AIG Sun America CA.         Mar.,  2007 to July, 2007.

Storage Consultant.

 

Ø  Install, configure and support EMC DMX 3 box.

Ø  Configured Failover / Load balancing using EMC Power Path.

Ø  Configured SRDF/S, SRDF/A using Replication Manager.

Ø  Configured Time Finder Clone / Snap and BCV’s using SYMCLI and EMC Control Centre (ECC).

Ø  Symmetrix Device Masking using SYMCLI and ECC.

Ø  Configured and maintaining the HBA’S.  Installed EMC Power Path.

Ø  Zoning on Brocade Switches using Web Tool, CLI and EMC Control Centre.

Ø  Used EMC Control Centre 5.2 for Storage provisioning / SYMCLI / on the SAN / NAS.

Ø  Installed NET APP NAS clusters for production systems.

Ø  Created Aggregates, Volumes, Luns and Qtrees, Quotas, Snap Vault and snapshots and Snap Mirror

Ø  Configured NFS / CIFS on NetApp NAS Filer servers.

Ø  Troubleshoot day-to-day problems on SAN/ NAS.

 

Client: Intel Corporation: Through Sunrise Systems Inc.(USA)

Oct. 2006 to Feb.  2007

Unix / Storage Systems Administrator.

 

Ø  Installed NET APP NAS clusters for production systems.

Ø  Created Aggregates, Volumes, and Qtrees, Qutoas, snapshots and Snap Mirroring and restored files from Snapshots.

Ø  Configured NFS / CIFS on NetApp NAS Filer servers.

Ø  Troubleshoot day-to-day problems on SAN/ NAS.

Ø  Ensure Service Level meets and exceeds Customer Satisfaction Goals.

Ø  Adhered strictly to Problem/Change Management policies of the organization.

Ø  Used Remedy Compliance on a Production environment.

 

Client: UBS, Singapore (Through Perot Systems TSI Ltd.)               

Feb.2004 to June 2006

Storage / UNIX Systems Administrator. (On-site Support)

 

Ø  Install, configure and gave 7*24 production support to 100+ Enterprise Sun Servers running mission critical Applications. Build 50+ servers from Scratch and apply relevant patches on existing servers.

Ø  Gave Production support to UBS Storage environment consisting of EMC DMX 1000, Clariion CX Series, SRDF/S, SRDA/A, and Time Finder Clone.

Ø  Plan backup strategies and Implement it using Veritas Netbackup 4.5 /5.1.

Ø  Optimize performance by tuning UNIX OS, kernel, memory, I/O, Database, Applications and Networks.

Ø  Ensure Service Level meets and exceeds Customer Satisfaction Goals. Adhered strictly to Problem/Change Management policies of the organization. Used Remedy Compliance on a Production environment.

 

 

 

 

 

Client: WatchMark, USA BELLEVUE, WA - tHRough Quintegra Solutions

Aug 2003 – Jan 2004.

senior systems executive

 

Ø  Install configure and provide mission critical support to over 50 Sun Enterprise Servers (E4500/E6500, V880, E450) etc.

Ø  Install, configure and provide production support to 30+ Oracle 8i, 9i instances.

Ø  Installed configured and support Standby databases.

Ø  Installed and configured RMAN. Recovered databases with minimum downtime and least impact to customers using RMAN. 

Ø  Extensive experience on integrating with other operating system Windows using SAMBA.

Ø  Installed and configured patches / packages on Sun Unix servers.

Ø  Used Shell scripts for automation of various administrative and backup tasks.

 

SRM Radiant InfoTech Ltd., India.                                                

Oct. 2002 – May 2003.

Unix Systems /Oracle DBA

 

Ø  Design & Implementation and Support of Sun Solaris 8.0 on SUN Midrange servers.

Ø  Responsible for NFS File system Management.

Ø  Scheduling and monitor system backups daily incremental, weekly full backup

Ø  Install system patches & upgrades (includes conduct of impact analysis)

Ø  Responsible for document and log all changes to the server configurations

Ø  Performing health check on Sun Unix Servers.

Ø  Configuring file system Security using setuid, setgid, sticky bit etc.

Ø  Performance optimization (Tuning NFS, TCP, Kernel Parameters).

Ø  Installation, maintenance & upgradation of Oracle database Sun Machines.

Ø  Experience on Creation and maintenance of database.

Ø  Responsible for Export/Import of tables, table spaces, database structure.

Ø  Recovery of database / TSPITR objects whenever situation warrants.

Ø  Experience on creation of Standby databases & recovery of oracle databases using RMAN.

 

Client: IBM (Solectron Technology) Through BITECH Sdn. Bhd., Malaysia.

February 2002 – July 2002.

Unix Systems Administrator

        

Ø  Plan & Design & Implementation and Support of Sun Solaris 8.0 on SUN Midrange servers.

Ø  Installed and configured SSH.

Ø  Raid Manager 6.22 Installation & Configuration
Applying Security Patches and Install Packages oriented towards OS /Applications.

Ø  Implementation basic File system security setuid, sticky bit.

Ø  Plan, Design & Administration of NIS master & Slave servers.

Ø  Performance Optimization of Memory, Processor, Disks and Network.

Ø  Integrating with other operating systems using SAMBA.

Ø  Scheduling backup and restore of Data from Tapes using Legato Networker.

Ø  Installed and configured Veritas volume manager 3.2 to manage large disk subsystem, to provide better performance for high IO generated applications

 

 

SITA Holiday Resorts Ltd. India.                                                                    

April 1995 – January 2002.

Senior Systems Administrator

 

Ø  Deploy server hardware, install UNIX OS configure servers, help configure databases, install & configure applications & facilitate testing.

Ø  Implement several Systems & Network Security Guidelines on multiple platforms.

Ø  Configuration of Domain Name Servers, SMTP Mail servers, Network Print servers, NFS and NIS servers.

Ø  Monitor server resources utilization (CPU, memory, disks, etc.)

Ø  Monitor system logs and activities on the Unix servers

Ø  Install system patches & upgrades (includes conduct of impact analysis)

Ø  Troubleshooting servers and the network environment.

Ø  Performing health check on Servers.

Ø  Designed & installed Windows NT network with proper security and configured RAID5.

Ø  Created user Profiles & Policies for NT.

 

 

Banaras Beads Ltd., New Delhi, India.                                                                          

November 1990 – March 1995.

Programmer cum systems administrator

 

Ø  Coded and implemented Export Documentation using FoxPro ver 2.6.

Ø  A solution of LAN Using Novell NetWare was given and implemented.

Ø  Support for installation of these servers all in SFT III mode on NetWare 4.11.

B.SC (Mathematics & Chemistry) –Dec. 1984 Madurai Kamaraj University – India. TOGAF – Part 1 (The Open Architecture Framework) Nutanix 5.0 Platform Professional – Enterprise Cloud Nutanix System Engineer - 5.0IBM Cloud certified specialist – IaaS EMC Proven Certified Professional EMC Cloud Certified – Infrastructure as a Service.Hitachi Certified Specialist NetApp Certified Implementation Engineer

 

Education

Jul 1981Dec 1984

B.SC

Madurai Kamaraj University

Skills

TOGAF 9.1 Part – I

SAN/NAS: Hitachi/EMC/NetApp/ IBM

Servers: Physical and Virtual ESXi

Database: Oracle 

Unix: Sun Solaris / Red Hat Linux

Cloud: AWS, Hyper converged Nutanix.

Summary

Over all 25+ years of experience in Planning, Designing, Implementation and Administration of High Availability UNIX Cluster Servers. Planning and designing of Virtual Infrastructure, VMWare. 14+ Years’ experience in Plan / Build and Support of Mission Critical Enterprise Storage Solution in EMC SAN V-MAX / VNX – Unified Storage/ Hitachi VSP / Hitachi Unified Storage Data Domain /Clariion / Symmetrix / NetApp NAS environments and Cloud Computing and Backup Technologies viz. Veritas NetBackup and CommVault.