aix admin

VIJAYASHANKAR SIDDHAIYAN

PH : 309-***-**** ***********@*****.***

EDUCATION

EDUCATION BACKGROUND:

• Bachelors in Engineering, University of Madras, Chennai, India

• Master of Science, Bradley University, Peoria, Illinois

CERTIFICATIONS:

• IBM Certified Advanced Technical Expert -- IBM System p5 2006

• IBM Certified Systems Expert -- IBM System p5 Virtualization Technical Support

• IBM Certified Systems Expert -- eServer p5 and pSeries Enterprise Technical Support AIX 5L V5.3

• IBM eServer Certified Systems Expert -- pSeries HACMP for AIX 5L

• IBM Certified Specialist -- eServer p5 and pSeries Administration and Support for AIX 5L V5.3

• IBM Certified Specialist – Open Systems Storage Solutions Version 6

TRAINING AT IBM GLOBAL SERVICES:

• IBM eServer p5 and pSeries Administration and Support - 2005

• AIX 5L Performance and System Tuning - 2005

• AIX 5L Communications - 2006

• AIX 5L Problem Determination- Tools and Techniques - 2006

• AIX 5L TCP/IP and Network Services: Problem Determination - 2006

• Logical Partitioning (LPAR) on POWER5 pSeries Systems - 2006

• Advanced POWER Virtualization Implementation and Best Practices - 2006

• HACMP for AIX 5L – 2006

• What’s NEW in AIX 6.1 – 2007

• Workload Partition Manager Workshop -2008

OTHER TRAINING:

• Solaris 8 System Administration Part 2 - 2005

• Firewalls and Network Security - PIX Firewall 500 Series - 2007

PROFILE:

• Experienced Systems Administrator with more than 8 years of UNIX/AIX support experience with IBM Advanced Technical Expert certification

• Experience in Installation, configuration of VIO server on IBM power5/power6 p-Series servers.

• Strong technical background in Storage, Disk Management, Object Data Manager (ODM), Logical Volume Management (LVM), LPAR, DLPAR on pSeries Systems.

• Experienced in various OSI Model layer 7 applications such as telnet, ftp, sendmail, rcp, rsh, rexec, SSH, along with security management and system troubleshooting skills

• In-Depth TCP/IP Networking skills with strong Technical background in networking standards, protocols and the OSI Model.

• Worked closely with TCPIP development team for AIX on variety of issues.

• Troubleshooted TCPIP kernel, performance, application, socket related problems on a daily basis for the last two years.

• Installation/Administration of AIX on LPAR/standalone servers running on a LAN with full setup of network services, protocols, ensuring proper implementation of TCP/IP stack, routing and network functionality.

• Hands on experience in Network programming.

• Good understanding of all TCPIP error codes on various applications.

• Experienced in Managing LPARs including configuration of virtual devices (Ethernet, scsi, serial) , dynamically change LPAR resource configuration, configure and manage LPARs using HMC applications and HMC commands

• Hands on experience in Installation, configuration and maintenance of HACMP V5 on AIX V5.1.

• High level of skill with UNIX OS commands and utilities

• Experience in variety of Integration and Automation tasks using NIM, NFS, Shell and Perl scripts.

• Worked closely with the developers, vendors, third party software’s and various other teams (MQ, DB2, SUN Microsystems, Veritas Experience includes installation and Configuration of DB2 on AIX.

• Experienced in corporate disaster recovery planning and procedures.

• Excellent client relation skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively.

TECHNICAL SKILLS:

Operating Systems: IBM AIX 4.x/5L, RedHat Linux 7.x/8.0/9.0, RHEL 5 and Sun Solaris 8/9.

Hardware: IBM pSeries, power5 pSeries, RS-6000, Cisco PIX 500 series, IBM Workstations, Modems, TTY’s, Printers, Switches, Routers, Hubs, NIC’s.

Servers: IBM Websphere Application Server, IBM HTTP Server, Apache Web Server.

Databases: Oracle 10g/9i/8i, IBM DB2, MS-SQL Server.

Languages: Java2, C, C++, SQL and PL\SQL, HTML, XML, Shell Scripts

Protocols: TCP/IP, HTTP/HTTPS, FTP, SMTP and SOAP.

Others: DNS, DHCP, NFS, NIM, NIS, OpenSSH, LDAP, HACMP, SAN, NAS, TSM, HMC.

WORK EXPERIENCE:

IBM, Austin, TX Nov 2007 – present

UNIX System Administrator, State of Texas Account

Responsibilities:

• Responsible for all AIX OS administration tasks, aix installation, upgrades, security patches at several agencies within State of Texas.

• Plan, configure and install several key applications on AIX platform for Texas Education Agency, Texas Department of Transportation, Texas Department of Criminal Justice, etc.

• Diagnose and address UNIX alerts with 24x7 support across various agencies.

• Troubleshoot issues such as application performance problems, system down or network outage incidents.

• Installed, configured Oracle10g racks, WebSphere, DB2 for several applications.

• Setup, manage External DNS for three different state agencies.

• Setup scripts for nim backups, performance monitoring, capturing periodic application and system report and various other automation tasks.

• Perform firmware upgrades, hardware repairs with associated vendors.

• Install various backup clients and setup scripts for backup for all filesystems.

• Troubleshoot system performance issues using kernel trace, perfpmr scripts to identify root cause and recommend tuning parameters and values.

• Ensure maximum thruput across physical/virtual Ethernet adapters with optimum values for network parameters.

• Plan, configure client LPAR’s with virtual scsi, virtual Ethernet with dual VIOS configured for SEA failover.

• Prepared runbooks for 50+ critical production servers including disaster recovery procedures.\

• Periodic CIRATS patching to maintain compliance with security patches and upgrades across all agencies on all platforms.

• Establish and document procedures to for system backup and recovery both on a server and application basis.

• Analyze applications related issues and make appropriate recommendations that involve socket tuning, application re-coding.

IBM, Austin, TX Dec 2005 – Nov 2007

Level 2 TCPIP Support Specialist for pSeries

Description:

AIX Technical Support Center is based in Austin that supports various aspects of AIX such as TCPIP, NFS, HMC – REGATA, INSTALL/BACKUP, and SYSTEM PERFORMANCE.

Responsibilities:

• Provide 24 x 7 Tier III System Administration Support for AIX V5L based servers for all IBM pSeries and POWER5 pSeries Clients/Customers remotely.

• Troubleshoot network performance issues using iptrace, sniffer trace using tools such as ipreport, Wireshark and Ethereal.

• Configuring network/remote/local print queues on the Server troubleshoot ANY related issues accordingly.

• Resolved various routing problems, application authentication problems.

• Install, configure and maintain VIO server on IBM AIX 5.3 based p-Series 570/ p550 servers.

• Work extensively on planning and configuration of LPARS/ D-LPARs on IBM p570/ p550 servers.

• Perform planning and implementation and management of NIM Master server & NIM clients.

• Root cause analysis on all P1/P2 outage incidents.

• Perform troubleshooting of CPU bottle necks, memory bottle necks and give suggestions on performance improvements. Analyze performance issues through PERFPMR.

Bank one, Peoria, IL July 2004 - Dec 2005

AIX Administrator

Description:

The Network Solutions Sector comprised of a large-scale heterogeneous systems environment in a 7/24/365 production Data center environment, consisting of various application, login, web and build pools of servers implemented with load balancing solutions.

Responsibilities:

• Installed IBM AIX 5.0 on IBM RS 6000 machines and WebSphere Application Server (3.5.6) on AIX (5.1).

• Worked closely with Network and other teams for daily activities i.e. system/network changes for all Solaris, AIX and NT Servers.

• Developed Shell and Perl scripts for launching applications to run remotely on Application servers.

• Planned, installed and configured NIM Master server setup & NIM clients

• Monitored System Performance, managed Disk Space (Logical Volume Manger) and performed system Backup and Recovery

Chrysler Corporation, Auburn Hills, Michigan Nov 2003 – Jun 2004

Unix/AIX Administrator

Responsibilities:

• Configured UNIX infrastructure, and support for IBM RS/6000 servers running IBM AIX 5.x. Performed installation, configuration and periodic maintenance and patch updates.

• Applying software maintenance, program fixes and keeping the system software releases current.

• System administration including user, system & group management, system updates, performance monitoring, backup/recovery, disk & storage management.

• Handled System tuning, log maintenance, disk space management etc.

• Experienced in the setup and management of TCP/IP and Ethernet based networks.

• Responsible for all aspects of AIX System Administration and support for all RS-6000 servers such as: OS installation and upgrade, OS problem resolution, application of OS fixes, installation of application software, administration of user accounts, system configuration, troubleshooting, system monitoring, system tuning, security updates, hardware maintenance, disk usage maintenance, etc. Most of these tasks are performed using native Korn Shell scripts.

• Effectively interacted with the users on a daily basis, decreasing downtime and increasing user productivity.

• Also provided 24x7 support on a rotation basis.

Bharti Tele-Ventures, Chennai, India Nov 2000 - Dec 2002

UNIX Administrator

Responsibilities:

• Worked as a Systems / Network Administrator configured and maintained Solaris 2.5 servers.

• Used the LVM extensively; Created/Modified/Deleted Volume Groups, Logical Volumes and File systems; Added/Removed physical disks; Mirrored Volume Groups and Logical Volumes.

• Setup of print queues and definition printing and plotting devices.

• Firewall configuration for packet filtering firewall.

• Network administration and Network monitoring

• REFERENCES AVAILABLE ON REQUEST

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