PROFESSIONAL SUMMARY

• Experience with User Account Administration
• Experience with LDAP implementations on Solaris servers.
• Experience with Hitachi and EMC SAN NetApp NAS and also Disk Array based environments.
• Experience in configuring Kickstart Jumpstart servers and experience working with Images and Flash Archives.
• Experience in Configuring and Monitoring using NAGIOS, NAGVIS, NDOUTLS, ZENOSS, and MRTG.
• Experience using vSphere and VI Client tools to access ESX servers and create and manage VM's on ESX servers.
• Extensive working experience working with VMWare ESX 3.5 vSphere 4.0 running on HP and Dell HW.
• Experience in Linux-based Virtualization implementations such as VMWare and Xen.
• Experience managing networking and Storage on HP Blade centers using HP Virtual Connect on Cisco Network and Fabric switches.
• Experience working with HW like HP Proliant DL 360, 380 G4, G5 G6 and Blade Centers like C6000 C7000.
• Expertise in Volume management, Disk Management, software RAID solutions using Veritas Volume manager on Solaris servers.
• Expertise in implementation and maintenance of DHCP, NAS, NFS, NIS, DNS and Apache SMTP.
• Experienced in Redhat LVM, VERITAS Volume Manager, Veritas Cluster Server, VxFs, and SVM.
• Expertise in Installing, Configuring and Trouble-Shooting Application Servers like IBM Websphere 3.5/4.0/5.0, BEA Weblogic and Web Servers like IBM HTTP Web Server, iPlanet WebServer, Apache WebServer on Linux and Windows 9X/200X.
• Working experience on Red hat Linux AS and ES 4.x, 5.x, 6.x, HP-UX 10.x, 11.x Solaris 8, 9 10, OEL.
• Experience in Installation, Configuration, Implementation, Crash Recovery, Maintenance, Tuning, Security Setup troubleshooting of Red Hat Linux, HPUX Solaris.
• Over 7 years of IT industry experience as a System Administrator on Red Hat Linux, HP-UX, AIX, Solaris and Windows environment.
• Experience in Configuring and maintaining LAN and WAN network on Solaris and Linux
• Experience in working with LDAP/DNS/NIS/NIS services.
• Installation, Configuration and Administration of HP Data Protector Veritas NetBackup.
• Experience in troubleshooting and resolving network issues related to the servers.
• Experience working on boot loaders like GRUB and LILO and also upgrading Kernel on Redhat Linux servers.
• Implemented file sharing on the network by configuring NFS on the system to share essential resources.
• Experience in understanding, helping in the design and configuring of building the Application servers like SAP, ORACLE PL/SQL and Web logic Environments.
• Configured Clusters, Load-balancing, High availability and fail-over solutions Web Server plugins for Web Logic application server.
• Experience in trouble shooting and Performance tuning by working closely with Application, Database, Network and Storage Teams.
• Expertise in Monitoring system Access and Monitoring servers by using CA and Tivoli Tools
• Experience in Configuration and Administration Patch and Packages management.
• Excellent Knowledge in Capacity Planning and Performance tuning.
• Experience in Documentation on client's requirements and System Specifications.
• Involved in Team building Migration projects, project implementation, analytical, interpersonal and communication Skills.
• Resolving issues that may have arisen during this complicated process.
• Worked on IBM-AIX

TECHNICAL EXPERIENCE

PROFESSIONAL EXPERIENCE

Confidential

Role : Sr. System Developer

Responsibilities:

• Worked as a System Administrator for UNIX and Linux servers
• Configured Red hat Linux 3.x Solaris 8,9 for production, staging and test environments
• Install and configure DHCP, web Apache, IIS , mail SMTP, IMAP, POP3 , and file servers on Solaris and Linux servers
• Created and managed user accounts, security, Access Control Limits ACL , permissions, disk space and process monitoring in Red hat Linux and Solaris
• Monitored Disk Memory Utilization on Solaris 9.
• Upgraded Solaris servers to new technology levels configured LVMs using VERITAS.
• Experience using LVM creating VGs, LVs, and disk mirroring.
• Installing and setting up Oracle9i and WebSphere on Linux for the development team.
• Implemented Virtualization using VMWare in Linux on HP-DL585.
• Linux kernel, memory upgrades and swaps area. Red hats Linux Kick start Installation.
• System performance monitoring and troubleshooting in Solaris Environments 8 9.
• Provided logical design and architecture for the enterprise storage network
• Creating users, managing user permission, maintaining User File system quota in Red hat Linux and Solaris and Linux.
• User management, security planning and implementation, Backup and restore Management.
• Created Micro partitioning of processor by dividing physical processor's computing power into fractions of a processing unit and share them among multiple logical LPARs
• Installation, Configuration Upgrade of Solaris operating systems running oracle Database.
• Worked with Database administrators to tune kernel for Oracle installations on Linux.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Configuration and Administration of DNS, NIS, NIS , NFS, Auto mount, DHCP, FTP, LDAP, Samba Send mail, Servers and clients. Security layers like SSL, SSH, HTTPS, SFTP
• Installation and configuration and maintenance of Netscape and Apache web server
• Writing Shell scripts for automation of job, system monitoring and error reporting
• Configuration of Hardware and Software RAID, disk replacement and File system recovery
• Worked on EMC disk storage to allocate disk space
• Backup maintenance through TSM using Tape libraries, planned and setup Disaster Recovery Servers
• Drafted shell scripts for automated installations, to extract logs
• Documented backup policies and procedures for backup routines, schedules and restore policies
• Mentored and trained other individuals on the team

Environment: Red hat SUSE Linux, Solaris 8 9, IBM DS4300 Storage System, ESS Shark with SAN environment, IBM TSM Tivoli Storage Manager 5.3.4, IBM Tape Library 3584 with LTO 3580 tape drives, TSMW2K Monitoring and Administration.

Confidential

Role : Linux Engineer/Developer

Responsibilities:

• Building, Installing, Configuring servers from scratch with OS of RedHat Linux
• Configuration and Administration of VERITAS Volume Manager and High Availability
• Installing Patches to the current version, Packages related to hardware, and system customization
• Configuration of MySQL, Oracle PL/SQL database.
• Experience virtualizing Physical Redhat Linux servers by migrating them to VM's on VMWare ESX and vSphere.
• Experience performing migrations of Applications from different UNIX servers like Solaris, HPUX to Redhat Linux.
• Experience installing Linux servers using Kickstart and Cloning on ESX servers.
• Configured Volume groups and logical volumes, extended logical volumes for file system growth needs using Redhat Logical Volume Manager LVM commands.
• Experience supporting applications installation and configurations like Apache, Iplanet, Weblogic, Websphere and Databases like Oracle, Sybase DB2.
• Experience configuring Satellite and Repository servers to perform RPM installations across the environment.
• Experience migrations and Virtualization from P2P P2V.
• Configuration and Administration of VERITAS Cluster Server VCS , fail over test of VCS group and adding/modifying VCS resources.
• Creation of Volumes and file systems on SAN disks using Redhat LVM and VERITAS Volume Manager.
• Experience working in SAN environment configuring multipathing using EMC powerpath and Linux native multipathing using device mapper.
• Extensive experience working with HP hardware likes HP Proliant servers DL 360, 380 580 G4, G5 G6 servers and also Blade Centers like C3000 C7000.
• Activities include user administration, startup and shutdown scripts, crontabs, file system maintenance and backup scripting and automation using shell scripting BASH, KSH and Perl for RedHat Linux systems
• Troubleshoot hardware, software and Operating system related errors on Linux
• Implementing Software and Hardware RAID at HW and OE level.
• I have worked with LAMP Linux, Apache, My-SQL database , Perl and Python and CDN.
• Good hands on experience with shell scripting.
• Experience working with Oracle RAC, PL/SQL.
• managing puppet master server.
• Experience working with configuration management software like Puppet and involved in
• Performance monitoring and Tuning using top, prstat, sar, vmstat, ps, iostat etc.
• Configuring Virtual Machines under VMWare ESX 4.0 servers to install Linux guests.
• Worked on Amazon Web Services AWS Cloud Computing
• Worked on tools like TCP Dump/Wireshark

Environment: RHEL Linux 5.x, AIX, OEL, VERITAS Volume Manager, VCS, VERITAS Netbackup, VMware ESX, SAN, NFS, Shell Scripting.

Confidential

Role : UNIX Systems Administrator/Developer

Responsibilities:

• Activities include user administration startup and shutdown scripts crontabs, file system maintenance and backup scripting and automation using shell scripting BASH, KSH and Perl for Red Hat Linux systems.
• Setting up of Jumpstart and Kickstart server for OS images / Patches and updating them.
• Configured Red Hat Linux and Solaris servers over the network using Kickstart and Jumpstart on Dell servers and SPARC servers.
• Created and configured Zones on Solaris 10 running on Sun Fire, T Series and M Series servers.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager LVM commands.
• Upgraded Weblogic servers from 7.2 to 9.0 on Linux boxes.
• Amazon Simple Storage Service S3 Web Service based storage.
• Created and configured file systems for Oracle 9i on Red Hat Enterprise Linux 5.0 servers.
• IAAS and AWS Storage Gateway, an iSCSI block storage virtual appliance with cloud-based backup.
• Performed maintenance and support for Red Hat Cluster System running on Red Hat Enterprise ES server v 3.
• Installed hot fixes and service packs to Solaris 8/9/10
• Installed Veritas Volume Manager and Veritas NetBackup on Solaris systems, and assisted in providing support for troubleshooting.
• Installed and configured applications on Solaris and Redhat Linux.
• Configured NFS and NIS in Red Hat Linux and SUSE.
• Performed User Account management, data backups, and user's logon support.
• Configuration and Maintenance of Auto mounting in Solaris and Linux.
• Configured SAMBA to get access on the Linux shared resources from Windows clients.
• Installed and configured WebLogic 9.0 on different Linux and Solaris servers.
• Implemented Web Application Servers Tomcat Web Server, JBoss Application Server on Red Hat Linux environment.
• Configuration and Administration of Apache Web Server and SSL.
• Installed and supported IBM Websphere application Server v 6.1 on Solaris.
• Installed and maintained IBM Tivoli Storage Manager TSM for Backups and data storage.
• Configured GPFS to allow multiple systems and application to share common pool of storage.
• Configuring Virtual Machines under VMWare ESX Servers to install Linux guests.
• Understanding of web services software architectural and design issues.
• Good experience working on LAN/WAN and TCP/IP Protocols.
• Configured backup/archive policies using backup utility and mksysb images of root volume group to meet data archiving requirements and disaster recovery readiness.
• Assisted in configuration and administration of SAN environment comprised of EMC and Hitachi storage devices.
• Amazon Elastic Block Store EBS provides persistent block-level storage volumes for EC2.
• Generated reports to show the trends of resource utilization user/CPU/network load.
• Replaced failed disks on various production servers on Dell and Proliant.
• Used Network Monitoring tools like Nagios, and used system performance analysis tools.
• Network trouble-shooting using 'ndd', 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
• Used AWK to do the data manipulation on input files like reading records, breaking the records into fields and counting the records.
• AWS Import/Export accelerates moving large amounts of data into and out of AWS using portable storage devices for transport.
• Checking traffic on Network used tools like TCP dump and Wireshark
• General UNIX Systems Administration on Linux servers, including alert handling, deploying software releases, backups, hardware and software installations.
• Provided 24x7 supports through Trouble Ticket Handling.

Environment: Solaris 8/9/10, Red Hat Enterprise Linux 5.0, SUSE Linux 9/10, HP-UX 11i, Windows NT 4.0, DELL Poweredge 2850, 2950, IBM DB2, Oracle 9i, Samba, SAN, NIM, Kickstart, NIS, NFS, IBM Tivoli, WebLogic, IBM Web sphere, Apache, Tomcat, J-Boss, VMware ESX, VERITAS Volume Manager, Red Hat Cluster Suite.

Confidential

Role : UNIX System Administrator

Responsibilities:

• Solaris and Redhat Linux server's administration.
• UNIX Administration- maintaining around 1000 Production environment including Solaris RHEL 3.x 4.x servers. Managing their memory / CPU load, Disk Space, swap space, processes etc running on them.
• Installation, configuration administration of Redhat Linux 8/ 9/ RHEL 3.0/ RHEL 4.0 Solaris 8/9, IBM AIX servers.
• Upgrading Development servers to Solaris 9 and 10
• Experience configuring ILO and Manage Servers remotely using ILO.
• Building Servers using NIM from mksysb or spot.
• Configure servers to use HTTP, DNS, NFS, NetBackup, and Storage Disk configuration.
• Creating administer user accounts, SUDO access, etc.
• Managing file systems grow them on fly using LVM on Solaris and Linux.
• Implementing software RAID at install-time on Linux.
• Add, remove, and resize logical volumes on Linux and Solaris.
• Diagnose and correct boot failures arising from boot loader, module, and file system errors on Linux.
• Mirror the root volume group in Solaris and use it for redundancy.
• Configure VERTITAS for a clustering environment on Redhat and Solaris servers.
• Performing O/S upgrades and Maintenance level upgrades.
• Use ILO/HMC for remote access of servers on Linux/Solaris respectively.
• Troubleshoot hardware, software and Operating system related errors on Linux and Solaris.
• Troubleshooting Solaris/Linux network problems.
• Install multipathing software such as EMC powerpath, HDLM.
• Configuring bonding in Linux and etherchannel in Solaris.
• Maintain troubleshoot SAN and Fibre card related errors on Solaris and Linux.
• Maintain troubleshoot Storage Disks from IBM, HITACHI, and EMC Disk arrays.
• Manage and troubleshoot any printer issues.
• Shell Scripting to automate tasks on Solaris and Linux.
• Co-ordinate with IBM and HP for faulty part replacement.

Environment: Solaris 8 9, RedHat Linux 8/ 9/ AS3.0/ AS4.0, LVM for Linux, EMC Disk Array, Apache 2.0, IAAS, HACMP, WebSphere, NIM.

Confidential

Role : UNIX and Windows System Administrator

Responsibilities:

• Worked as a System Administrator for UNIX and Linux servers
• Configured Redhat Linux 3.x Soalris 8,9 for production, staging and test environments
• Install and configure DHCP, web Apache, IIS , mail SMTP, IMAP, POP3 , and file servers on Solaris and Linux servers
• Created and managed user accounts, security, Access Control Limits ACL , permissions, disk space and process monitoring in Red hat Linux and Solaris
• Monitored Disk Memory Utilization on Solaris 9.
• Upgraded Solaris servers to new technology levels configured LVMs using Veritas.
• Experience using LVM creating VGs, LVs, and disk mirroring.
• Installing and setting up Oracle9i and Websphere on Linux for the development team.
• Implemented Virtualization using VMWare in Linux on HP-DL585.
• Linux kernel, memory upgrades and swaps area. Red hat Linux Kickstart Installation.
• System performance monitoring and troubleshooting in Solaris Environments 8 9.
• Provided logical design and architecture for the enterprise storage network
• Creating users, managing user permission, maintaining User File system quota in Redhat Linux and Solaris and Linux.
• User management, security planning and implementation, Backup and restore Management.
• Created Micro partitioning of processor by dividing physical processor's computing power into fractions of a processing unit and share them among multiple logical LPARs
• Installation, Configuration Upgrade of Solaris operating systems running oracle Database.
• Worked with Database administrators to tune kernel for Oracle installations on Linux.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES products.
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Configuration and Administration of DNS, NIS, NIS , NFS, Automount, DHCP, FTP, LDAP, Samba Sendmail, Servers and clients. Security layers like SSL, SSH, HTTPS, SFTP
• Installation and configuration and maintenance of Netscape and Apache web server
• Writing Shell scripts for automation of job, system monitoring and error reporting
• Configuration of Hardware and Software RAID, disk replacement and File system recovery
• Worked on EMC disk storage to allocate disk space
• Backup maintenance through TSM using Tape libraries, planned and setup Disaster Recovery Servers
• Drafted shell scripts for automated installations, to extract logs
• Documented backup policies and procedures for backup routines, schedules and restore policies
• Mentored and trained other individuals on the team

Environment: Redhat Suse Linux, Solaris 8 9, IBM DS4300 Storage System, ESS Shark with SAN environment, IBM TSM Tivoli Storage Manager 5.3.4, IBM Tape Library 3584 with LTO 3580 tape drives, TSMW2K Monitoring and Administration