Summary

• Having 8 years of Linux/Solaris Systems Administrator experience in installation, configuration, tuning, security, backup, recovery, monitoring and upgrade of Linux5,6 RHEL, OEL, CentOS and Solaris on different cross platforms.
• Expertise in building servers using Kickstart/PXE booting for Linux, Jumpstart for Solaris.
• Build and configuration of Cisco UCS blade servers, HP and Dell hardware for Linux servers.
• Post build configurations, security hardening, user management, validations, firmware/patches etc.
• Installation and configuration Puppet Enterprise 3x on Linux environment.
• Monitoring and shooting of servers by using HPOV and BMC tool.
• Install and configuration of security clients Tripwire and vulnerability issues.
• SAN storage migrations from EMC storage array to DELL compellent storage array.
• EMC power path, Multipath configurations and bonding on Linux/solaris servers.
• Preparation of Logical Valume Manager LVM with luns, LUN online migrations using pvmove and LV mirror commands on linux servers.
• Administration and storage allocation for hosts on EMC Vmax san array using SMC/Unispehere.
• Experience in installation, configuration and volume/disk management using Veritas Volume Manager VxVM , Solaris Volume Manager SVM and Veritas File System VxFs in Solaris and logical volume manager LVM in Linux.
• Installation configuration of RAID Volume Management using VERITAS Volume Manager in Solaris, ZFS file system on Solaris.
• User Security administration, backup recovery and performance monitoring and kernel tuning.

Experience in installation and tuning of Web servers/Web application for Java on Linux.

• Installation and configuration of Oracle 11gR2 RAC clusters on Linux/Solaris environment
• Extensive experience in IPMP IP multipathing in Solaris.

VMware Installation, configuration and administration, virtual environments with 5x Virtual Center 5x.

• Network configuration on MDS/Brocade switches, HBA, FC, scsi disk details and zones etc.
• Configuration of Cicso catalyst switches and racking of servers, networking and interfaces.

Network configuration for interfaces, switch ports, ethernet cards, host names and netmasks details,.

• Expertise in configuring and administering NFS, DNS, LDAP, DHCP, Mail Servers clients.
• Familiar with shell scripts to run on Linux and Solaris environment for administration.
• Supporting and resolving tickets/incidents assigned to Unix group, validations and documentation.
• Planning and provisioning of hardware, storage allocation and network configurations.
• Operation Systems: Redhat Linux,OEL,Centosx, Solaris 10 and Windows 2003/2008 Servers, MS office, Windows clients, VMware4x,5x. Oracle Rac11g,
• Server Hardware: Sun Enterprise Sparc/Netra/X 86, T5400, Sunfire 6800/4800/480, HP Proliant, HP Blade Servers C7000 . Cisco UCS blade Servers B series and DELL Power edge, Nexus 7000,MDS 9600.
• Storage: EMC Vmax , Dell and Sun, MD /Brocade switch, NAS, FC/HBA,SCSI/ISCSI.
• Network Protocols: TCP/IP, FTP, SMTP, NFS,DNS,DHCP and HTTP,

Chronological Professional Experience:

Confidential

Sr.Linux Systems Administrator

• Building, configuration of new virtual and physical servers on RHEL 5x,6x on HP hardware.
• PXE boot Installation and configuration for Linux environment, network and security configurations.
• Post build configurations, checks, updating, security checks, file systems, permissions and packages.
• Online/offline LUN/SAN migration from EMC storage arrays on Linux servers.
• Install and configuration of security clients Tripwire and vulnerability issues.
• Luns allocation and delineation on brocade switch, HBA adopters, validations and administration etc.
• SAN/NAS/NFS allocation from storage array to required applications on physical/vertual environment.
• Working with backup/storage team for backups and storage allocation for applications.
• Daily support and monitoring on Linux servers for different application groups.
• Network configuration for hosts file, interfaces and net masks, ip address, bonding configurations.
• Installation and configuration of SCSI/ISCSI devices/Luns on Linux environment.
• Performed memory and swap management to improve optimization and performance of the servers.
• Experienced in User and Group administration and security configurations.
• Administration on Solaris 10 servers for patches, user admin, services and network.
• Day to day systems support on user accounts, sudo permissions and issues with servers for different application groups.
• EMC power path installations configurations and multipath configuration, server health check, validations.
• Network configuration and hostnames, IP address, netmasks, security configuration, DNS, SNMP.
• Monitoring severs on HPOV and resolving tickets assigned to group, trouble shooting different application related issues/provisions.
• Installation and configuration of Puppet on Linux environment.

ENVIRONMENT: Solaris 10, Redhat Linux 5x,6x, VMware ESX5x, Sun Enterprise T, Netra servers, Sparc, HP prolient, blade servers, Veritas volume Manager, EMC/DELL storage array,

Confidential

Sr. Systems Administrator

Responsibilities:

• Installation and configuration of dell hardware on Linux Redhat OEL and Oracle database servers.
• Network configuration for hosts file, interfaces and netmasks and routing, switch configurations.
• Luns allocation and delineation on brocade switch, HBA adopters status etc.
• SAN/NAS allocation from storage array to required applications on physical/vertual environment.
• Working with backup/storage team for backups and storage allocation.
• Installation and configuration of SCSI/ISCSI devices/Luns on Linux environment.
• Performed Memory and Swap management to improve optimization and performance of the servers.
• Experienced in User/Group management, configuration of security clients Tripwire and vulnerability issues.
• Installed, configured and managed Oracle Real Application Cluster RAC on Solaris and Linux.
• Daily systems administration, resolving systems issues, supporting different groups/apps.
• Pre migration checks and configurations on all Linux servers and Oracle RAC environment.
• San migration from EMC to Dell storage array migration for Oracle database/applications.
• Brocade network adviser administration for hosts/ luns , HBA adopters for server administration.
• Managing Brocade network manager for zone configuration, lun management and servers.
• Worked on installation and configuration on Redhat Cluster Suite and Oracle RAC.
• Network configuration for host names, netmaks and routes details, NFS, DNS, DHCP, FTP.
• VMware installation, configuration and monitored with virtual environments with ESX 5x and VCenter
• Configured and maintained System Security using IPTABLES and TCPWRAPPERS in Linux.

ENVIRONMENT: Redhat Linux 5x,6x,OEL/SUSE, VMware ESX5x, EMC/DELL storage array, Brocade switches, HBA/FC/ISCSI NAS

Confidential

Sr Solaris/Linux Administrator

Responsibilities:

• Installation and configuration of Solaris on sparc Netra T5440 and x86 64 environment to Customer lab LTE support for Cisco policy manager to ATT telecommunication requirements.
• Oracle 11g Rac installation and configuration on Solaris 10 on Sun T5440 Netra servers.
• Pxe boot Installation and configuration Cisco UCS blade servers B series on Linux and Oracle Rac11g configurations, ASM disks, network configurations.
• SAN/NAS allocation from storage array, MDS switch configuration for hosts.
• Working with backup/storage team for backups and storage allocation.
• Network configuration and testing for different interfaces connected to PAS policy access system .
• Network configuration for hosts file, interfaces and netmasks and routing, switch configurations.
• Installation and configuration of SCSI/ISCSI devices/Luns on Linux/Solaris Environment.
• Configuration and administration of EMC Vmax by using SMC and Unisphere. creation of thin devices, meta devices and virtual devices as per project document for database space allocation.
• Installation of Veritas Volume Manager VxVM , Veritas Cluster Server VCS .
• Performed Memory and Swap management to improve optimization and performance of the servers.
• Experienced with working in Solaris Volume Manager SVM , creating and maintaining meta data base. Meta devices, concatenation/striping, mirroring the devices.
• Created and Managed Zettabyte file system ZFS in Solaris 10 and Linux Servers. created zpools.
• Experienced in User and Group administration and security issues.
• Performed upgrades of Packages and Patches in Solaris and Linux.
• Installed, configured and managed Oracle Real Application Cluster RAC on Solaris and Linux.
• Network configuration for interfaces, switch ports, Ethernet cards, host names, netmaks and routes details, DNS, NFS, LDAP, NTP and SNMP etc.
• Scheduling cron Jobs such as for system monitoring and removal of unnecessary files.
• Providing day-to-day user administration like adding/deleting users and managing user queries.
• Environment: Solaris10, RHEL5x, VCS 4x, Vxvm, EMC Vmax,Sun storage Tek 6400, Sun Enterprise T 5400 Netra/Sparc/x86 64 Series Servers, Cisco UCS Blade servers, VMware ESX 5x, Nexus 7000,MDS Switch, Oracle 11gRAC Linux/Solaris and NAS

Confidential

Sr Linux/Solaris Administrator

Responsibilities:

• Installation, Configuration of Linux, Solaris operating systems on different hardware environments.
• Configuring Solaris, Redhat Linux Servers with Jumpstart and kick start installation.
• Resolving production issues/tickets by using ticketing tool.
• Oracle RAC installation and configuration on Linux with oracle ASM disks.
• Worked on installation and configuration and disk and file system management using Veritas Volume Manager VxVM ,
• Performed Memory and Swap management to improve optimization and performance of the servers.
• Experienced with working in Solaris Volume Manager SVM , creating and maintaining meta data base. Creating Meta devices.
• Multipath configuration on SAN devices/disks on Linux to keep the disks names persistent after reboot.
• Network configuration for interfaces, switch ports, Ethernet cards, host names, netmaks and routes details, DNS, NFS, LDAP, NTP and SNMP etc.
• Scheduling cron Jobs such as for backup, system Monitoring and removal of unnecessary files.
• Configuration of DNS servers on Linux for zones file, adding hosts to files.
• Created and Managed Zettabyte file system ZFS in Solaris 10 and Linux Servers. Created zpools.
• Performed upgrades of Packages and Patches in Solaris and Linux.
• Configuration San for ISCSI devices by using 3rd party tools open e and open filer.
• Installed Oracle Real Application Cluster RAC on Solaris and Linux Servers.
• Creation and scheduling cron jobs for backup, system monitoring and removal of unnecessary files.
• Configured and maintained System Security using IPTABLES and TCPWRAPPERS in LINUX
• Worked on installation and configuration Redhat Cluster Suite in Linux Servers
• Experienced in Installation Configuration of RAID Volume Management using VERITAS Volume Manager in Solaris.
• Environment: Solaris10,RHEL5x, EMC Vmax, Sun T series Netra/Sparc/x86 64, VMware ESX 5x, Oracle 11gRAC Linux.

Confidential

Linux/Unix Administrator

Responsibilities:

• Installation, configuration and administration of Windows and Linux, Solaris operating systems.
• Installation of ERP on windows systems to manage all sites and connectivity with head office.
• Updating of Packages and Patches on client side systems.
• Installation of different applications and tools on clients, printer management.
• Project management by using Primavera and cost analysis reviews on projects.
• Installation, maintenance and regular upgrades of Linux servers using kick start installation.
• Maintained user administration of user accounts, profiles and quotas.
• Monitoring, Analyzing server performance and reporting server logs.
• Training programs for groups to familiar to existing environment.
• Configured and maintained System Security using IPTABLES and TCPWRAPPERS in LINUX
• Worked on installation and configuration Redhat Cluster Suite in Linux Servers
• Installed and configured Global File System GFS in Linux Servers, Creating and managing Cluster suite using GFS.
• Experienced in Installation Configuration of RAID Volume Management using VERITAS Volume Manager in Solaris. Extensive experience with working on sun Volume Manager.
• Immediate acknowledgement of issues solving them while constantly updating status for all levels of severities and provide RBCA report.
• Back up management for clients machines on weekly basis on hard drives.
• Experience with configuring and managing Virtual disks, Disk Mirrors and RAID 0,1 and 5 levels.
• Environment: RHEL, Solaris, Windows NT, Sunfire 6800/4800/480, IBM pSeries 670, p5 595, VMware.

Confidential

Linux Administrator

Responsibilities:

• Responsible for day-to-day system Administration for Windows and Linux, Solaris servers.
• Monitored system performance and kernel tuning to enhance the system performance.
• Installing and upgrading Solaris Operating Systems and installing required packages, patches and fixing software related problems.
• Installation of Packages and required Patches to the application.
• Creating new file system, managing checking data consistency of the file system.
• Set up Quotas for the user accounts limiting the disk space usage.
• Creation and Configuration of additional swap/tmp space dynamically as and when required.
• Creating User accounts, Mail account and groups configuring printers etc.
• Worked and configured the networking and server utilities and worked on configuring TCP / IP.
• Back up management for clients machines on weekly basis on hard drives.
• Preparation of monthly reports and report generations.

Environment: RHEL, Solaris, Windows, Sunfire 6800/4800/480,Sparc 5,10. ERP, VMware, MS office,

Confidential

Systems Engineer

Responsibilities

• Installation, configuration and administration of Windows and Linux operating systems.
• Monitored system performance and kernel tuning to enhance the system performance.
• Installation of Packages and required Patches to the application.
• User administration and quotas for the user accounts.
• Creating new file system, managing checking data consistency of the file system.
• Set up Quotas for the user accounts limiting the disk space usage.
• Creation and Configuration of additional swap/tmp space dynamically as and when required.
• Creating User accounts, Mail account and groups configuring printers etc.
• Created Role Based Access Control RBAC for users.
• Worked and configured the networking and Server utilities and worked on configuring TCP / IP.
• Back up management for clients machines on weekly basis on hard drives.
• Environment: RHEL, Windows server, MS office and network