Seetharaman Mahadevan

ac6ac4@r.postjobfree.com

510-***-****

Strategic, Focused, and Business Oriented, Enterprise Cloud Architect effectively operating at the Intersection of People, Process and Technology with 20+ years of progressive and diverse technical leadership experience in the areas GRC, ITIL, Sourcing, SDLC and Project Management.

Technical expert with comprehensive experience with both legacy and cutting-edge technological trends such as Cloud Computing, Software-defined data center (SDDC), Hyper-Converged infrastructure (HCI,)

Strategic and effective partner for develop and implement viable technology strategy in sync with business requirements.

Excellent communicator of highly complex technical concepts and ideas to non-technical individuals.

18+ years’ experience with administration of Unix/Linux systems

10+ years’ experience with administration of SAN Storage including EMC and Pure Storage

Experience in the full spectrum of standard administrative tasks such as server builds, administration and rollouts.

Proficient in IBM AIX, Oracle Solaris, Red Hat Enterprise Linux ( RHEL) & technologies including VMware, Sun and IBM virtualization

Managed Systems infrastructure practice for customer production environments supporting 24x7 applications as well as in QA/engineering and Professional services environment working with multiple clients

Experienced with supporting infrastructure for applications in On Demand ( SaaS), On Premise, Financial, IT, Insurance and Public Sector domains

Excellent communications and leadership skills

IBM Certified on Systems Administration & Tivoli, CCNA, MCP

Making organizations competitive through process improvement and intelligent use of technology.

Certifications

RedHat Certified Systems Engineer ( RHCE )

ITIL v3 Foundations

IBM Certified Specialist, eserver p5/p6 & pSeries administration and support for AIX 5L V 5.3

NetApp Accredited Storage Architect Professional

Hitachi Data Systems (HDS) Qualified Sales Professional

IBM Certified Deployment Professional Tivoli Storage Manager V5.2

IBM Certified Specialist, p-series AIX System Support

IBM Certified Specialist, AIX 4.3 System Administration

IBM Certified Specialist, AIX 4.3 Communications

IBM Certified Specialist, AIX 4.3 Systems & Performance Tuning

Cisco Certified Network Associate CCNA 2.0

Microsoft Certified Professional – Implementing and Supporting Windows NT Server 4.0

Microsoft Certified Professional – Implementing and Supporting Windows NT Workstation 4.0

Microsoft Certified Professional – Networking Essentials

Microsoft Certified Product Specialist – Implementing and Supporting Windows 95

Work Experience

CallidusCloud (acquired by SAP), Dublin, CA, Mar-2011 – June 2015

CallidusCloud, Hyderabad, India July 2015 – June 2018

Infrastructure Architect

Responsible for managing Callidus On Demand infrastructure comprising of multi-vendor hardware ( Dell, Lenovo, HP, IBM, Pure Storage, EMC ) and the VMware ESXi / Red Hat/Solaris/AIX

Manage infrastructure team comprising of systems, storage and network and NOC engineers and be a management contact for issue resolution and escalation

Support infrastructure for company’s quarterly multiple product releases and deployment of hot fixes and upgrades to the application which includes forecasting resource availability and capacity planning

Manage assignment of cases and monitor progress and implement committed SLAs for all tickets and provide RCAs as necessary

Install, configure, support OS running on above using various technologies including VMware virtualization

Migration of data from across SANs transparent to the Solaris ZFS filesystems, across data stores hosted on VMware environment

Have supported various VMware products including VMware Lab Manager and VMware Virtual Cloud Director (vCD) and have migrated data / VMs

Experienced with Flash Tiering, Thin provisioning and Storage performance analysis using EMC NaviAnalyzer and VNX Monitoring and Reporting tool.

SAMBA/NIS administration on Unix platforms

Experienced with Flash Tiering, Thin provisioning and Storage performance analysis using EMC NaviAnalyzer and VNX Monitoring and Reporting tool.

SAMBA/NIS administration on Unix platforms

Solaris ZFS administration of storage pools, mirroring, expansion etc.

Visa Inc., Foster City, CA Apr-2008 Feb-2011

Sr. Systems Engineer

Responsibility:

Unix Engineering and Operations for Visa Inc., Foster city, CA

Implementation of IBM p-series high end server’s p770, p570, p575, p520, p550 & Sun T2000 hardware

Installation, configuration with AIX Versions 6.1 5.3 and upgrading the Technology Levels ( TL ), applying efix packs, installing software like “C” compilers, openSSH etc.

Build/Install Linux Virtual clients using VMware vSphere client and kickstart using RedHat Satellite server

Installation, configuration with Solaris 9 and 10, apply patches, patch cluster, Migration of OS from Solaris 8 to Solaris 10 with Wanboot. Apply kernel / Firmware patches to resolve alerts from Sun Management Console [Sun MC]

Integrate with vendor storage like IBM Storage drawers D20, Deploy LUNs from EMC storage for capacity and high availability

Installation of software using RPM; openSSH

Hardening the OS with security tools like Passgo UPM / Symantec ESM / Tripwire from third party vendor chosen by the customer and troubleshooting to comply with the requirements

Regular day to day administration in AIX, Solaris and Red Hat Linux

Assist in system sizing requirements

Deploy system tools - Prognosis monitoring, nmon, opnet, perfmon, etc. as aid for better availability and performance of the applications

Install IBM HMC hardware, install OS, Install DIGI, iLO Consoles and administer servers using HMC/Digis / iLOs

Configure the network services and liase with the network firewall team in getting the right ports opened as per the application need

Configure servers for Veritas Netbackup client setup

Oracle ASM disk setup

Support application groups in their installations and provide support to the DBAs for installation of the Oracle / DB2 database and support to the AbInitio developers for their software installation requirements

Open support calls with the hardware vendor and initiate bringing hardware and other vendors (ex. Storage) together as needed for identifying responsibility and resolution of issues observed.

Review Penetration testing results and address security concerns raised by the third-party security team

Prepare build documentation, cross-check asset information, server turnover operations checklists and turnover the server to the Operations team for regular monitoring as per the procedures laid out by the customer.

Symantec Corporation, Mountain View, CA Sep-2005 to Mar-2008

Sr. Engineer

Responsibility:

Test hardware/software configurations and interoperability solutions using VERITAS Storage Management software Applications on third party hardware in SAN configuration

Qualify Veritas products - Storage Foundation for HA and Storage Foundation for Oracle RAC on storage arrays from various vendors including IBM, Sun, EMC and Hitachi on AIX, Solaris & Linux platforms

Configure and administer Fiber channel SAN switches – Brocade 3120, McData 4500/6064, Qlogic SANbox and Cisco 9120/9520; create zones using these switches for testing configurations

Install AIX 5.3/6.1 using NIM and HMC on P4/P5/P6 IBM p-series machines including IBM p520, IBM p550, IBM p570 and apply latest Technology Levels (TLs).

Fiber channel installation and configuration on disk and RAID storage subsystems

Assign and verify LUNs to the systems and installation of Veritas software products, maintenance packs & device drivers from array vendors

Test and troubleshoot Dynamic Multi-Pathing / SAN Boot / LVM Clone features of the Veritas Storage Foundation.

Perform diagnostics on FC connections, replace Fiber channel Host Bus Adapter (HBAs) on p-series machines

Lead and co-ordinate incident and bug tracking and resolution during final interoperability testing

Interact with product teams and developers throughout the product lifecycle especially during the test phase

Write shell scripts to aid in testing

Document test results along with Microsoft Visio configuration diagrams

Applied Computer Solutions, Sunnyvale, CA Oct-2006 Sep-2007

Sr. Systems Engineer

Perform pre-sales and post-sales billable services to the ACS clients - Innovant LLC-a Visa Solutions company & Walmart data center

Responsibility:

Review the quote for hardware and parts details for the quote provided to the customer and work on the implementation plan

Implement production systems on IBM p5 systems – p590, p560, p550 and p520.

Install & Update HMC with corrective service package and the latest maintenance fixes

Update Firmware on p550 servers

Creation of Virtual I/O (VIO server) LPAR through the HMC

Assign resources to the VIO servers and install the VIO server partition and applying latest fixpack

Defining virtual Ethernet, virtual SCSI adapters and creation of VIO client adapters through HMC and mapping the two

Move CD-ROM resource to the NIM server; installation of OS image on the NIM server and install the client LPAR s from NIM server

Install Visa SOE image to the partitions and apply technology Level(TL) updates and service packs(SP) to the AIX

Backing up the VIO server

Apply patches to Solaris hosts, install PCI – Fiber Channel, Quad Ethernet PCI cards on the SunFire V125 & Sun T2000 Servers

Install and configure Veritas Storage Foundation HA for Oracle 5.0

Hewlett-Packard, Wall Township, NJ Jun-2005 Sep-2005

AIX architect

Responsibility:

Provide architecture specifications for building AIX on the IBM p-series POWER5 servers - p590, p595 and p520

Create and configure logical partitions (LPARs) on IBM p590 and p595

Install and configure AIX 5.3

Configure Hardware Management Console (HMC) on IBM 7310 for administering the LPARs

Co-ordinate with the EMC SAN engineers and network team for storage allocation and VLAN identification

Identify the hardware on the I/O drawers, reconcile with the outputs from the AIX and prepare the I/O drawer configuration

Prepare AIX build documentation

IBM Global Services, Bangalore, India Jan-2005 May-2005

Senior AIX Midrange systems administrator

Responsibility:

Provide AIX systems administration and remote management of 103 AIX 5.1 and 5.2 servers including LPARs and SP2 nodes with PSSP version 3.4 located at IBM’s Sydney Data Center with rotational on-call responsibilities

Primarily responsible for the Asia-Pacific (AP) SMTP gateways, relays and servers used by AP Marketing customers requiring a high level of attention and accuracy

Handled IBM’s Manage Now application for problem and change management activities and resolve sev1, 2 and 3 problems within the fixed timeframe to the customer’s satisfaction

Worked on migrations, software maintenance and performance management for the servers

Identify errors on the systems managed by me and to co-ordinate with IBM ITS for hardware problem resolution

Configured sendmail on SMTP gateways for accepting mails for users belonging to lenovo.com- IBM’s erstwhile PC division

Provided sudo setup as per customer requests

Debug problems related to application servers including Notes mail, Proxy, Anti-virus, Infoprint and Websphere servers

Server and procedure Documentation

Verizon Communications, Hempstead, NY Sep-2004 Dec-2004

Senior AIX/Solaris Systems Administrator

Responsibility:

Provide AIX system administration on AIX 5.2/5.1/4.3.3 and Solaris Sun OS 5.9 support for Oracle 9i/10g developers and Oracle DBA

Rack mount and install IBM FastT700 expansion unit on the Storage Area Network (SAN)

Configure SAN using IBM FAStT Storage Manager Client version 8

Provide TSM administration on IBM 3494 Tape Library

Co-ordinate with hardware vendors for hardware problem resolutions

Administer Merant PVCS server

Install and configure Secure Shell (SSH)

Documentation

Met Life Insurance Company – RISC/SISC Data Centers Apr-2004 Aug-2004

Troy, NY / Scranton, PA / Jersey City, NJ

Senior AIX/P-Series Systems Administrator

Responsibility:

Rack mount IBM p615, p630 systems and install and configure AIX 5.2/5.1 and apply maintenance levels

Install AIX from NIM Server

Install additional memory on various p-series production systems and test configuration

Create and configure logical partitions (LPAR) on IBM p690 systems

Install and configure Hardware Management Console (HMC) for p690

Install and configure the WebSM client for connectivity to the HMC

Reconcile LPAR slot diagram configuration with the actual hardware locations and identify mismatch/duplications

Provide support on p670 to p690 migrations

Rack mount and install FAStT expansion disks FastT700 on the Storage Area Network (SAN)

Create zones, aliases and add members to zones on Brocade SAN switch - IBM 2109

Install McDATA Intrepid 6140 Fiber Channel Director for SAN connectivity

Configure McDATA EFC Fabric connectivity software and verify connectivity of the Fiber channel adapters to the McDATA port

Identify and correct errors on Fiber Channel adapter configurations

Migrate AIX 4.3.3 to AIX 5.2/5.1

Documentation

Staples Data Center, Marlboro, MA Mar-2004 Apr-2004

Senior RS/6000 SP Systems Implementation Administrator

Responsibility:

Provide support for Migration from AIX 4.3.3/PSSP 3.2 to AIX 5.1/PSSP 3.4 in a 64 node production environment

Draft the plan for AIX migration and identify activities and role played by team members

Migrate Control Workstation from AIX 4.3.3 to AIX 5.2

Migrate SP wide silver nodes from AIX 4.3.3 to AIX 5.1

Gather performance statistics on the nodes and tune them to meet the requirements

Document modified configuration

Judiciary Department – Commonwealth of MA, Cambridge, MA Jan-2001 Feb-2004

Senior AIX/PSSP/TSM administrator

Responsibility:

Provide systems administration support in AIX 4.3.2/4.3.3 environment on a 2 Frame RS/6000 SP 9076 with 8 wide nodes with PSSP 2.4 and a RS/6000 F40 Control Workstation at the Judiciary Data center

Perform SP system log analysis, problem determination and resolution with a good expertise on SP switch troubleshooting

Tune AIX performance on the SP system running Informix database

Implement SSA 7133 disk array with 9.1 GB disks and migration of data from 4.5 GB disks

Upgrade AIX 4.3.2 to AIX 4.3.3

Migrate from ADSM 3.1 to TSM 4.2 and implementation of Tivoli Data Protector Agent for Informix on the RS/6000

Provide TSM/ADSM system administration on IBM Tape library 3575

Implement and support RS/6000, Windows NT and Linux Backup Clients

Provide AIX Support for Informix database version 8 & 9

Provide support for Netscape Web server

Write procedures to manage off-site backup tapes, system administrative tasks, and policy management

Red Hat Linux 7.3 Systems administration

Shell scripting to automate backup and restore procedures

Document procedures and update

PaineWebber-UBS Warburg, Weehawken, NJ Jun-2000 Jan-2001

Senior Unix/PVCS System Administrator

Responsibility:

System administration of RS/6000 models F50, 43P and 44P

Install and configure AIX OS 4.3.2 on multiple servers located at various branches.

Install and configure Netscape Proxy Server 3.5

Install and configure DCE/DFS clients on the RS/6000 machines

Write and debug UNIX Korn shell / Perl scripts.

Install software on Central Library Server

Compile makefiles for applications using “C” programming language

Compile and build Java/PRO*C/Oracle applications on AIX/Solaris/NT

Develop standards and implement E-Commerce technologies – Enterprise Java Beans, Visual Age for Java etc.

Implement enhancements to the department’s website using HTML/JavaScript.

IBM T. J. Watson Research Center, Yorktown Heights, NY May-1999 Jun-2000

Senior AIX / ADSM Systems Administrator

Responsibility:

Installed AIX 4.3.2 and upgraded from AIX 4.1.5 to 4.3.2 on various models of IBM RS/6000

Installation of PTFs/APARs on various servers from time to time

Configuring DFS Servers on RS/6000 SP2 nodes, AFS servers on RS/6000 boxes, AIX and Intel workstations to become clients for the ADSM 3.2 server on SP2 nodes

Performing monthly, weekly and daily backups of the researchers’ data located on the DFS, AFS fileservers and AIX workstations into ADSM servers

Checking backup logs to identify problems with the backups and correcting them

Writing Perl scripts to automate backup procedures and error reporting

Involved in the implementation of the disaster recovery plan and performed the Disaster Recovery media management on the IBM 3494 Tape Library from time to time

Restore AIX/AFS/DFS data from the backups as requested by the customer

DCE 2.2 / DFS and AFS administration

TATA Motors (Telco), MUMBAI, INDIA Aug-1996 Mar-1999

Systems and Network Administrator

Responsibility:

Was responsible for implementation and administration of multiple servers running AIX 3.2.1/Novell 4.11/Windows NT 4.0/Redhat Linux 5.0 servers

Installation of the IBM RS/6000 R24, F50 models, configuration of peripherals and device management. Managing filesystems, formulation of backup and restore methodologies

Design and implementation of the Local Area Network. Install and configure IBM PC servers 720 and 704 and installation of the Windows NT 4.0 / Novell Netware 4.11, Installation of Netware/IP on the Netware servers and merging of the NDS Trees

Installation and configuration of Oracle 7.3.2 database Server on AIX 4.3.2 and implement support for Forms 3.0 from an earlier release of Oracle Server

Setting up of Oracle Developer/2000 clients for connecting to the Oracle database on Novell Netware Server and AIX Server

Co-coordinating with ISPs for WAN connectivity – Leased lines, VSATs

Configuration of CISCO 2510 router, Xyplex and Zetapac X.25 Gateways, RAD ASM20 modems

Installation of Primary DNS on IBM RS/6000 and a secondary DNS on a IBM PC running RedHat Linux 5.0.2

Setting up of Internet connectivity for the users – Installing and configuring IIS 4.0, MS-Proxy Server 2.0 and Netscape and Internet Explorer clients

Implementation of a corporate E-mail network using Unix Sendmail on the AIX, Microsoft MMTA on Windows NT, MS-Exchange 5.0 Server and MS-Mail 3.2 using Leased lines and dial-up modems, writing X.3 PAD chat scripts, installing SMTP Gateway etc.

Managing the connectivity with other TELCO locations like Jameshedpur, Pune and Lucknow, which were connected via VSAT

Installation and Configuration of McAfee Anti Virus on all NT / Exchange servers

Evaluation and testing of new products on the basis of additional features available, integration with existing infrastructure and cost involved for implementation, return on investment and other management related issues

User Training and customer support – Troubleshooting of a variety of system/network related problems

Business India Information Technology Ltd., Mumbai, India Mar-1995 Jul-1996

Systems Administrator

Responsible for running the Internet services network for the customers located throughout the country

Mail System administration of a DEC System/5000 running Ultrix OS

Monitoring of UUCP Polling, mailq and uuxqt execution

Configuration of Dial-up and Dial-in modems

Testing of Xyplex Terminal Server / X.25 gateway

Handling customer telephone calls having problems connecting to the network, mail related problems etc.

Unix Shell scripting

EDUCATION

University of Bombay, Mumbai, India Bachelors in Electronics and Telecommunication Engineering

NIIT – 3 year Systems Management program from NIIT

IBM AIX Systems Administration

VMware VMware ESXi server installation, configuration and management 5.0

Symantec Veritas Storage Foundation 4.0

Symantec Veritas Cluster server for Unix

Network Appliance Accredited Storage Architect Program ( ASAP )

Cisco Cisco Curriculum for CCNA from Millenium Computer Training, Woburn, MA

Microsoft Education Implementing and Supporting Windows 95

Inrange/CNT Product Training Storage Area Network (SAN) basics and Inrange FC/9000 product training from Inrange Technologies/CNT ( now Brocade Communications )

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