SUMMARY

• Over 8 years of experience on various flavors of UNIX (Solaris, Red Hat Linux, SUSE, HP - UX and AIX).
• Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration, Trouble shooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX (SUN Solaris, Red Hat Linux) Systems.
• Installation and configuration of Oracle RAC 11g on Solaris, AIX and RedHatcluster nodes.
• Experience in Designing & Creating Domains on M3000, M5000 servers created LDoms on T2000, T5220 and T5440 servers.
• Experience in Security Hardening in Unix, Linux and Windows servers.
• Experience in using various network protocols like HTTP, UDP, POP, FTP, TCP/IP, and SMTP.
• Sound knowledge on VERITAS Cluster Server, Veritas File System and VERITAS Volume manager.
• Extensively worked on solaris10 containers, Zones for Virtualization.
• Helped to establish standards, policies and procedures for all aspects of UNIX server environment (e.g., configuration, administration, documentation, etc.)
• Experience in Server build using Jumpstart, flash archive, NIM, Ignite and kickstart, Strong working knowledge of scripting and programming PERL and SHELL.
• Proficient DB administration (Oracle, DB2, Sybase and SQL) knowledge for maintaining, pruning, and performing required DB tasks.
• Experienced in working with Storage Area Network (SAN), TSM, EMC CLARiiON, Celerra, EMC Symmetrix DMX, Control Centre and VMware.
• Experience in designing and configuring open source management tools Puppet, Chef and CFEngine.
• Experience in installation and configuration of Web Sphere, Apache, JBoss, and IPlanet, BEA WebLogic, LDAP, and mail servers.
• Installed, configured and implemented the RAID 0/1/5 volume management using Veritas Volume manager (3.5/4.x/5.0) and Solstice Disk Suite (SVM) on Solaris. Also Experienced in Veritas file system (3.x, 4.x, 5.0), Veritas Net Backup (4.x, 5.x, 6.x) for disk management and mirroring tasks.
• Proficient in shell scripting (Ksh/Csh/bash/Sed/Awk), PERL, Java Scripts for Oracle and Java Applications and XML.
• Experience using diagnostic and debugging tools such as Dtrace, Strace, truss, Top, OS tools, Bladelogic, BMC Patrol, BMC best1, Legato networker (client side), Solaris Management Console and HP Insight Manager.
• Experience in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, NIS+, LDAP, DNS, NFS, DHCP, NAS, FTP, SSH and SAMBA.
• Experience in updating O/S maintenance and modification levels by applying software patches and fixes (APAR’s and PTF’s) that are downloaded from IBM.
• Proficient in System Backup and Recovery from tapes using ufsdump, ufsrestore, tar and cpio.
• Well versed in configuring Volume Groups and Logical Volumes, extended logical volumes for the system growth needs using Logical Volume Manager (LVM).
• Installed and configured Solaris 10/9 with SunOS version 5.9/5.8 with iPlanet Directory server, Resource manager, Solaris volume manager, Multipath I/O, IPMP and extended file attributes features.
• Installation, Configuration and troubleshooting of system security applications like SUDO, SSH, Power Broker and eTrust.
• Independent problem solving and a good team player with strong interpersonal and communication skills.
• Experience supporting 24x7 production computing environments. Experience providing on-call and weekend support.

TECHNICAL SKILLS

Operating Systems: Sun Solaris 10/9/8/7/2.x, Linux (RedHat, Suse), IBM AIX 6.x,5.x, HPUX11.0,WindowsNT4.Windows 98/2000/2003/2008/ XP/VISTA

Hardware: Sun Fire Servers E25k, E15k, 12k, E280R, E480R, V240, 420R, V440, V480, V490, V880,V890 4800, E6900 and E2900 Data Centre Servers E250, E450, E3000 and E3500, M4000, T2000, T5120, T5240, T5440

Tape Libraries: Sun StorEdge L20/L40/L60, L180,Storagetek’s 9840,6540,STK 700,L-1 1400, E-6920 A/B/C Fibrechannel

Arrays: Sun StorEdge 3130, A1000/D1000, EMC DMX 800 and 1000

Languages: Scripting, PERL, C, C++, PHP, JAVA, PL/SQL, HTML, JavaScript, J2EE, JSP, Servlets.

Databases: Oracle 10g/9/8, Sybase 11.5.1, POSTGRESSQL, MYSQL, MSACESS

Networking: TCP/IP, DNS, NFS, NIS, SSH, DHCP, Cisco Routers / Switches and LAN

Tools: Sun Cluster 3.2, Vmware, VERITAS Netbackup 6.0, VERITAS Storage foundation Suite, Solaris Volume Manager, Sun Java Studio, Sendmail

Web Technologies: Lotus Domino 5 / 6, Apache 2.0, Weblogic 8.1, WebSphere, JBoss, IPlanet, IIS, HIS, ESX 2.5.1, 25.2 & 3.0 Beta

PROFESSIONAL EXPERIENCE

Confidential, Milwaukee, WI

Unix/Linux Systems Administrator

Responsibilities:

• Administration of RHEL 5, 6 and 7 and Solaris 10, 11 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.
• Jumpstart Solaris servers, custom building with packages, patches, volume management.
• Creating LDOMs, installing Solaris, creating volumes, installing packages.
• Installation and configuration of management tool Puppet across RHEL environment.
• Developed the scripts to push patches, files and maintain configuration drift through the Puppet tool
• Custom building of Linux, Windows 2003/2008/2012 , OEL servers based on the SOW.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 5.5 and migrating servers between ESX hosts.
• Installing Redhat Linux using kick start and applying security policies for hardening the server based on the company’s policies.
• Installed Solaris Software using Jumpstart/Flash Archives
• Worked on Openstack (Havana) which includes installation, configuration of VMs, adding security policies, disks, creating tenants.
• Automated package installation and scripts thru HPSA (formally known as Opsware)
• Configured Google Appliance for different environments
• Implemented features of ZFS file system browser user interface (BUI) using client-server architecture model and Java EE Technologies
• Worked extensively on VERITAS Operations Manager (VOM), Solaris Zones, LDOMS.
• Lockdown the local accounts to secure the environment using NIS.
• Installed and configured VOM on hundreds Unix servers and windows
• Planned, scheduled and Implemented OS patches on both Solaris & Linux boxes as a part of proactive maintenance and Secure Shell (SSH) implementation.
• Worked with team members to solve technical issues on Java Server faces, XML and ZFS JNI project
• Package installations, patch and other server management using DSM and Opsware.
• Setting group policies, adding new OUs, moving servers to the correct OU in AD.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Troubleshooting tickets, which includes storage, network, system related issues and logging RCA using BMC Remedy.
• Custom building Oracle RAC 11g and preparing servers for database installation which includes adding kernel parameters, software installation, permissions etc.
• Worked and performed data-center operations including rack mounting, cabling.
• Worked on creating disk groups, volumes, deporting, importing disk groups using veritas volume manager.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Gathering requirements from customers and business partners and design, implement and provide solutions in building the environment.
• Installing and configuring Apache and supporting them on Linux production servers.

Environment: Hardware: SUN Architecture T2000, T3000, M5000, v1280, B100S, B1600, e420r, e450, e6900, FAS250, v210, v240, v280, v2900, v440, v480, v490, v880, X4200, V100 and workstations, SUN Ultra Sparc 5/10Software: Solaris 7, 8, 9 &10, VERITAS Netback up 5.1, Vom3.1,4.0, Red Hat Linux 5.0

Confidential, Los Angeles, CA

Unix/Linux Systems Administrator

Responsibilities:

• Administration of RHEL 4, 5 and Solaris 9, 10 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting server issues.
• Installed and Configured Oracle ASR on total Solaris 10 Environment.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers across ESX hosts.
• Jumpstart Solaris servers, custom configure, install packages, patches, and harden. Creating LDOMs, installing Solaris, creating volumes, installing packages.
• Created Zetabyte file system (ZFS) in Solaris 10. Creating Zones, zpools and adding resources like network, filesystems.
• Installed Opsware agents, created packages, policies, scheduled jobs on Opsware.
• Worked on CFEngine to push patches, files across the environment.
• Installed Solaris 10 using jumpstart, flar image on both physical servers and LDOMs.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Troubleshooting tickets, which includes storage, network, system related issues and logging RCA using ITG service.
• Worked on Veritas Netbackup 6.5 which includes installation, creating policies, configuration and upgrading servers.
• Installing, configuring, custom building Oracle10g, Oracle RAC 11g and preparing servers for database installation which includes adding kernel parameters, software installation, permissions etc.
• Worked and performed data-center operations including rack mounting, cabling.
• Installing, configuring, administering Veritas Cluster Server 5.0, creating service groups, adding resources, enabling attributes, testing fail-over.
• Worked on creating disk groups, volumes, deporting, importing disk groups using Veritas volume manager 5.1.

Environment: Red-Hat Linux Enterprise servers (HP Proliant DL,ML Series, IBM p series,x series, Dell Poweredge Servers R610, R710), Solaris 10, ASR, HPOpsware, VMWare, SAN(EMC, Hitachi), Xen, NAS (Netapp), BladeLogic, Veritas Volume Manager 4.1, Sun Enterprise Server(E2900, E4500, E6900)

Confidential, PA

Unix/Linux Systems Administrator

Responsibilities:

• Developing and enhancing shell scripts (Ksh, C, bash and Perl) to finalize the Tru-64 platform to AIX platform migration.
• System administration of UNIX servers by using Operating Systems of Tru-64, AIX and Linux.
• Plan and design, Implementing, Installation and configuration of AIX platform on new P-series hardware.
• Co-ordination with application and database support for production issues.
• Performed key role in Tru-64 to AIX migration.
• Responsible for event processing, change management and problem determination in HACMP environment.
• Extensive experience in Installtion of Oracle RAC on Solaris 10 and AIX (5.3/6.1) environments, Configuring of nodes, Virtual IP, Private and Public network for Oracle RAC.
• Set up Virtualization that includes Installation and configuration of Virtual I/OServer (VIOS), and Client LPAR, Dlpar Provisioning and Micropartitioning.
• Responsible for performance tuning of AIX systems, applying upgrades to AIX (current version 5.3 to upgrade 6.1).
• Backing up and restoring files across the network, Performed OS upgrades and Patch loading as and when required.
• Plan, design, Implementing, Installation and configuration Operating System upgrade on Red Hat Linux 4.0 on & HP-Dl585 servers.
• Experience in Developing KORN, BASH, PERL, Python shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation.
• Worked in configuring and setup connectivity between web servers, database servers and directory servers as a process server administrator.
• Actively participated Disaster Recovery (DR) Tests.
• Planning configuring storage using LVM.
• Logical Volume Management (LVM), Installed Veritas Volume Manager 4.1 and created file systems, mirrored and striped volumes

Environment: AIX 6.1/5.3 on IBM Pseries Server, EMC storage SAN, Tru-64(DEC OSF/1 1.2 - Tru64 UNIX 5.1B-6)HMC-LPAR, HACMP 5.3/5.2 Cluster management, LDAP, NIM, Shell Scripting (ksh, c, bash and perl)

Confidential - Elgin, IL

Unix Systems Engineer

Responsibilities:

• Performed system administration of UNIX servers by using Operating Systems of Solaris, AIX, Redhat Linux and HP-UX.
• Installed, configured, and maintained WebLogic and Oracle DB Servers on OS Solaris, AIX and Redhat Linux.
• Performed Decommissioning on AIX, HP-UX Servers.
• Installation and administration of Veritas Foundation suite including Veritas Volume manager, Veritas file system, Veritas Cluster services, Veritas NetBackup.
• Experience in Installation and Configuration of LDOMS 1.2&1.3 (Control domain, I/O domain, Logical domains) Virtualization in Solaris 10.
• Very good knowledge on Advanced Power Virtualization on IBM System P5, P6.
• Involved in applying Patches, Installing patch bundles on Solaris, AIX, HP-UX and Redhat Linux.
• Build LPAR system and Installed AIX 5.3, 6.1 on LPAR using NIM Power 5, Power 6 systems.
• Configure VERITAS Cluster on Solaris and AIX environment and support.
• Configuration of Hardware and Software RAID on Digital & Sun Servers
• Working with Engineering Team to build New Linux Servers.
• Administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.
• Configured VMware and installed several Linux and Windows Operating Systems according to the client needs. Also involved in maintenance and Troubleshooting of VMware
• Maintenance of various versions of Linux Servers (RHEL 4.6,5.3,5.6)
• Supported some Windows and MacOS X support under the direction of other systems administration staff.
• Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
• Administering NFS Mounts.
• Applying software maintenance, program fixes and keeping the system software releases current.
• Involved in postproduction support for solving complex TICKETS.
• Performed IBM Totalproduct Storage Installation on different Operating Systems.
• Supporting various applications on UNIX environment.
• Managing Task plans and uploading into database
• Software Deployments on request basis for production environment.
• Building Task Plans for all S/W deployments and review with Application teams.
• Coordination with off-shore team to implement any changes in production Environment.
• Day-Day application support on production and technical documentation for critical prod issues, on call pager support 24/7 environment.
• Work with Off Shore Team to troubleshoot Development issues on production environment, attend weekly status calls and discuss about resolved issues and ongoing issues.

Environment: Solaris 8, 9 & 10, RHEL 5.34.4.6, AIX 5.3,6.1, HP-UX 11.11, 11.23, E10K, E25K domain servers, Sun Fire V440 v210, v220, v240, Sun Blade servers, Web sphere 6.1, VCS, VVM, Remedy (Ticket Monitoring Tool),, EMC Storage SAN, Veritas cluster server, Solaris/Veritas Volume Manager, LDAP, HMC, IBM Tivoli Storage Manager 5.4/5.3, NIM, VMware, RAID, Jumpstart, Kickstart

Confidential, Wilmington, DE

System Engineer / Administrator

Responsibilities:

• Responsible for Installation, Configuration Management, Maintenance and Systems Development of over 100 AIX Systems and Redhat Systems.
• Provided Level - 3 AIX/Linux support for primarily AIX 5.2, 5.3 on IBM P-Series HW and Redhat Enterprise Server on HP Opteron hardware.
• Installation and Administration of Red Hat Enterprise Linux 3, 4, 5 SLSE10 using Kick startincluding performance monitoring, scaling and capacity planning and hardware maintenance of Sun fire servers.
• Provided steady state support by 24X7 shift rotation basis and pager support.
• Good knowledge of Advanced Power Virtualization on IBM System P5, P6
• Over 300 physical and VMware virtual servers in a Linux Environment.
• Lead administrator of Red Hat Linux and other UNIX servers.
• Monitored load balance on servers and performed server health checks.
• Respond to work requests which include problem trouble-shooting, root cause analysis, executing scheduled changes, performance analysis
• Set up Virtualization that includes Installation and configuration of Virtual I/OServer (VIOS), and Client LPAR, Dlpar Provisioning and Micropartitioning.
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.
• Build LPAR system and Installed AIX 5.2 on LPAR using NIM Power 4, Power 5 systems
• Successfully tested and documented the alternate disk install procedure to clone O/S.
• Upgrade Maintenance level in AIX
• Installation and configuration of node with respect to other web application server as web logic server.
• Configured HACMP 4.5 to monitor, detect and react to failure events, allowing the system to stay available during random, unexpected software problems and also configured to react to hundreds of system events.
• Configured volume manager, backup groups, logical hosts, and data services, and bringing up the cluster. Performed User Account management, data backups
• Very good experience in writing UNIX shell scripts to FTP files between different environments.
• Worked to configure TWS to send email when a job abends.
• Used VI editor for modifying the code in the Unix RTE (Real Time Environment).

Environment: Solaris 10, AIX 5.3/5.2/5.1 on IBM Pseries Server, Red Hat AS 4.0/3.0, HMC-LPAR, HACMP 5.3/5.2 Cluster management, EMC Storage SAN, Veritas cluster server, Solaris/Veritas volume manager, Ldap, IBM Tivoli Storage Manager 5.4/5.3, NIM, Korn shell scripting,Vmware, Websphere, Web logic 8.1

Confidential, Chicago, IL

System Engineer / Administrator

Responsibilities:

• Worked as Unix Engineer / Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives.
• Responsible for Installation, Configuration, Support and Troubleshooting existing systems in AIX 4.3.3 / 4.5/5.1 L, Red Hat Enterprise Linux operating environment
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.
• Provided 24X7 on call production support.
• Worked with one of the largest VMware and RHES V3 installations in Texas.
• Instituted centrally managed Linux configurations for application deployments, disaster recovery.
• Responsible for customer and advisor facing web services with a volume of 4 million hits per day.
• Build LPAR and DLPARsystem and Installed AIX 5.2, 5.3 on LPAR using NIM.
• Successfully tested and documented the alternate disk install procedure to clone O/S
• Performed process automation, scheduling of processes using CRON jobs.
• Worked in the project of configuring NIS Servers (Master and Slave) and NIS clients and maintained system and custom configuration files in NIS maps.
• Maintained intranet DNS environment by configuring Primary and Secondary Domain Name Servers and DNS clients.
• Reconfigured IBM Total Storage SSA Raid arrays (7133-D40/O20), periodically updated microcodes for array components, performed problem determination and advanced diagnostic procedures using diag and SSA service aids.
• Performed administrative tasks such as System Startup / shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.

Environment: Solaris 8/9/10, Red Hat Linux, SUSE, Sar, Vmstat,weblogic,jboss,Veritas Foundation Suite, Veritas Cluster, Veritas Net Backup, Jumpstart, kickstart, ESM and HIDS, korn and perlRemedy