Engineer Manager
Resume:
Seetharaman Mahadevan
*************@*******.***
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 )
Contact this candidate