SUMMARY

• System Administrator with over 8 years of experience in Administration of Production, DR, Development and Testenvironment’s carrying Red Hat Linux, SUSE Linux,OEL, CentOS, HP - UX and Solaris servers.
• Experience working Data Center’s managing Servers, SAN and NAS devices like HP, Confidential, Brocade, EMC and HDS devices.
• Supported multiple Solaris environments running Solaris 8/9/10/11 on multiple HW like Solaris SPARC HW and x86 servers like Sun Enterprise, Sun Fire, T and M series HW.
• Involved in Solaris Level 1 & 2 support activities and performed trouble shooting performance issues and network issues.
• Experience in AWS and Rackspacecloud environment’s and also familiar with EC2, Cloudwatch and Elastic IP’s and managing security groups on AWS.
• Installing, configuring and administering SUSE Linux 8,9,10 & 11, Red Hat Linux AS 3.0 /4.0/5/6& SUN Solaris 8, 9 and 10 on Sun, Dell, and HP x 86 Servers.
• Installed OS by using Jumpstart, Kickstart, NIM and Ignite methods for installing Linux and HPUX servers.
• Involved in RPM administration like Installing, Querying and upgrading using rpm commands and also using repository servers on Linux and installintg depots on HPUX servers.
• Experience installing and working with HBA’s and managing multipathing on Linux and Solari servers.
• Worked on different types of Migration using Double Take Software and EMC Tools like Power path.
• Worked in heterogeneous environment. Installing, configuring and administration on Red Hat Linux 8, 9 and RH AS 2.1, RHEL 3.x, 4.x, Suse Linux Enterprise Server (SLES) 10.x, HP-UX 11.x, 11i, Windows NT, 2000 and 2003 Servers.
• Experience in patching Linux and Solaris servers using Yum Repository and Redhat Satellite servers and also experience in using automation tools like Puppet and Chef.
• Implemented and Enhanced the Existing Scripts which are developed in Shell, Perl, and SQL.
• Involved in Solaris virtualization like Solaris Zones and LDoM’s and involved in patching Solaris zones across multiple HW.
• Experienced with the installation and configuration on Apache 2.x, 1.3.x, 1.2, JBoss4.0.x Web Servers and, BEA Web Logic 8.x, 9.x servers connected to F5 Load balancers using BIG IP.
• Experienced with the installation, configuration of Veritas Storage Foundation 3.5, 4.0, 4.1 and 5 and volume management using Solaris Volume Manager (SVM) on Solaris and Logical Volume Manager (LVM) on Linux and experienced in RAID 1, 5, 51, 10, 01 configuration.
• Experienced in installation and configuration of SAMBA.
• Good experience and understanding of SAN (SAN arrays; HITACHI, EMC) technology including zoning, disk creation on various systems, maintaining and configuring various fiber switches and storages.
• Experience in managing NAS devices like NetApp files FAS 3020, FAS 6040 and performed DATA ONTAP upgrades from 7.x to 8.x.
• Experience in network administration, deploying and troubleshooting of DNS, LDAP, NIS, NFS and DHCP etc.
• Expertise in System performance tuning, memory management, capacity planning and Disaster Recovery planning.
• Experience in managing sudo and configuration management tools like puppet.
• Experience with patching of Linux servers and hardening of servers using native and third party tools.
• Good knowledge in virtualization using VMWARE ESX 3.5, 4.0 for Redhat Linux and Solaris x 86 platforms.
• Proficient in Installation, configuration, maintenance of open LDAP server and applications integrated with Apache Web server and Postfix mail server for user authentication.
• Configured DNS, LDAP, I-planet, Apache HTTP servers.
• Disk and File system management through Logical Volume Manager (LVM) on HP-UX, LINUX and Solaris Volume Manager (SVM) on Solaris.
• Installation and configuration of ACX, nCipher and Crypto vault.
• Knowledge of networking (TCP/IP, Ethernet), NIS, DNS, NFS, DHCP, SMTP and RAID.
• Knowledge of Routers and Switches, Subnet, VLAN, TCP/IP, VPN, OSI model, Firewall (checkpoint), VOIP, and Sarbanes Oxley compliance (SOX).
• Extensive experience in programming with C, C++, Device driver, Application Services on UNIX, Windows Host.
• Strong scripting knowledge (Perl and C) to perform different administration tasks.
• Experience in Shell scripting (ksh, bash) to automate system administration jobs
• Extensive experience in UNIX performance monitoring and kernel tuning and Load balancing to ensure stable performance.
• Excellent communication skills, enthusiastic with the drive and determination to do whatever it takes to get the job done.
• Experience supporting Puppet environment with 500+ servers and involved in developing manifests.
• Maintained 15 VMware ESX server connected with two EMC VNX SAN box and managed of two Confidential MDS switch using Fabric & Device management tool and managed Data stores and performed Storage Vmotion.

TECHNICAL SKILLS

Operating Systems: Linux (Red Hat 4/5/6, OEL& SUSE), Solaris 11/10/9/8, HP-UX 11.0, 11.11, 11.23, 11.31, SLES 8,9,10 & 11, CentOS, Windows NT /2000/2003.

Hardware: Cloud (AWS, Amazon EC2, Openstack), Confidential UCS C200, C250, Sun Fire 6800/4810/4800 , Sun Enterprise 10000, Sun Fire F15K, Sun Fire 25K, T2000,M5000, Ultra Enterprise 6000/5000, SPARC sun4c/sun4u, Ultra 5/10/60, PE Dell R410,R 610,860 Intel Based PC, Dell Laptops, A1000/5x000, D1000, T3, 3511, 3510, StorageTek SD-3 tape drive,TL2000, TL4000, Serial I/O devices, Emulex, QLogic and JNIC HBAs and SCSI controller, SAS, SATA drives, HP C6000, C7000, rp3440, rx3660.

Database: Oracle 10x, MySQL 5.0.2, SQL Server 2005,IBM DB2,Hadoop

Networking: TCP/IP, NIS, NFS, DNS, DHCP, Confidential Routers/Switches, WAN, SMTP, LAN, FTP/TFTP.

Programming Languages& Tools: C, UNIX Shell Scripting, Perl Scripting, HTML, Perl, VB, Ruby and Puppet.

Web Technologies: Tomcat, APACHE 2.x, 3.x, F5 Load Balancers, Web Logic (8/9/10) & Web Sphere 4.0/5.0, Netscape/iPlanet Server, MQSeries, Cluster server 3.5 & 4.1, Sun Cluster 2.x & 3.x,Nagios

Protocols: TCP/IP,UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNET

File Systems: UFS, VxFS, ZFS, ext., ext2, ReFS,Xenvirtualization

PROFESSIONAL EXPERIENCE

Sr Linux/Solaris Engineer

Confidential, NC

Responsibilities:

• Installation and configured Solaris 9/10/11, Red hat 4.x, 5/6.x, OEL on Dell Power Edge Rack, Blade & Oracle SPARC servers using Kickstart with PXE and Solaris Jumpstart.
• Installation and Administration of Solaris and Linux Enterprise Servers for test lab, production and disaster recovery setup.
• Experience in supported Cloud environment using AWS (Amazon Web Services) and familiar with creating instances and managing cloud servers and monitoring them by using cloud watch.
• Involved in Redhat Linux patching using Repository servers and perform Linux kernel upgrade on x86 HW.
• Experience working with Solaris Zones and LDoM’s on T and M Series HW.
• Worked on HPUX migration using native LVM and EMC products like EMC Power path.
• Migration of applications from HPUX, Solaris 9 to 10 TO Linux (Red hat& SUSE) and resolving any dependency issues after live upgrade.
• Worked on different types of Migrations and DR using EMC tools like SRDF, Open Migrator and Open replicator.
• Worked on User administration setup, maintaining account, Monitor system performance using Nagios and Tivoli.
• Supported 250+ AWS Cloud instance’s and also familiar with Amazon Cloud command line management.
• Managed HPUX 11.11 & 11.31 running on PA-RISC and Itanium HW and also involved in root disk mirroring and supported HP MC Service Guard clusters.
• Experience in using automation Tool like Puppet to automate tasks on multiple Linux servers and also involved in creating modules, manifests, cookbooks in Puppet and Chef using Ruby.
• Activities include user administration; startup and shutdown scripts; crontabs, file system maintenance, backup scripting and automation using Perl, shell scripting (bash, ksh) for Red Hat Linux and Solaris systems.
• Implementation of VMware Infrastructure for Solaris& Linux Red hat 5.0 with VMware ESX 3.5, Virtual Center 2.5 and administered the VMs with VI client.
• Extensive experience in installing, integrating, tuning and troubleshooting Apache, Tomcat and Web Sphere application server and Web sphere IHS including troubleshooting.
• Mirroring of root disks using Sun Volume Manager (SVM) and configuration of RAID 5 soft partitions.
• Used Logical Volume Manager (LVM) for the management of Volumes including creation of physical and logical volumes on Linux
• Implemented VERITAS Cluster 5.0 for Web Sphere and Sun JES Web Server agents.
• Performed application installation and management on Solaris and Linux servers for applications like Web Sphere Application Server (WAS) 7, JBoss 4.2.x, 5.x, Sun JES Web Server 6.1, Oracle 10g, Sybase 12.5 etc.
• Adding patches to keep the servers updated against bugs present in the operating system as well as other applications like VERITAS Storage Foundation, Web Sphere and Oracle running on Linux and HPUX
• Configuration of multi-pathing using tools like mpxio and EMC Powerpath, Vmax and performed migrations on Solaris and Linux servers.
• Configuring, administering and trouble shooting of NFS, AutoFS (Direct and Indirect Maps), NIS (master, slave and client) and DNS in multi-platform networks.
• Worked on the configuration of mail server using Sendmail 8.10.x, 9.x.
• Installation of SAMBA 3.3.x server for interface between SUN servers and Windows servers to share files.
• Responsible for network troubleshooting and planning in a web hosting environment including the configuration of 3-Tier Environment.
• Install and configure SSH to enable secure access to the servers.
• Strong scripting knowledge (Perl and C) to perform different administration tasks.
• Experience in Shell scripting (ksh, bash) to automate system administration jobs
• Mentoring junior team members to support production web environment.
• Involved in support and upgrade of Puppet master server from 2.x to 3.x version on servers and clients.

Sr. UNIX Administrator

Confidential, NC

Responsibilities:

• Administration of around 1500 servers containing Solaris & Linux running WebLogic, Oracle & SAP development, pre-production servers and Production Servers.
• Installation of Redhat Linux on x86 HW like HP and Dell & Solaris 9, 10 operating systems on SPARC platforms.
• Extensively used SMF for service management for managing services on Solaris 10.
• Created Projects on Solaris 10 operating system for installation of applications.
• Performed volume management tasks like mirroring using SVM, Veritas Volume Manager 4.x/5.x and HPUX LVM.
• Supported Orcale DB and Oracle RAC on Redhat environments.
• Experience setting Linux to support RAC, Orcale and Weblogic installations and performed trouble shooting on performance issues on HPUX and Linux servers.
• Troubleshooting on Sun Java System Web Server 6.0 and Apache 1.3.x web server on Solaris with experience in installing SSL s.
• Experience working with SAN & NAS environments majorly servers connected to EMC Clariions, DMX, Celerra’s& NetApp filers connected to Linux and Solaris servers.
• Experience working with servers connected to on SAN and NAS environment’s like EMC and NetApp.
• Experience setting up cluster environments like Veritas Clustering for high availability of Business Critical Applications.
• Installation of Oracle 9i, 10g on the Sun servers running Solaris 10 and Redhat Linux.
• Creating resource pools, zones and containers on Solaris 10 and T2000 to optimize and consolidate the use of the hardware.
• Experience working with EMC Powerpath and Redhat and Solaris Native multipathing.
• Patch and package administration for installation of patches as per the company policy and installation of packaged application
• Performed tasks on F5 load balancer like ordering new certs, installing and renewing SSL s, bouncing servers with performance issues after taking them out of the server pools, ID maintenance,
• User, Group management for all the UNIX servers
• Modifying/ Writing scripts in Bash and Korn shell for optimizing day to day administration
• Editing crontab in post - installation of Unix servers
• IntallingHP monitoring client application on Solaris 10 server.
• Involved in server automation using Puppet for Linux and Solaris servers.

Environment: Solaris 8,9,10, Redhat EL 3.x, 4.x, HPUX 11.11, 11.31. Sun Java System Web server 6.0, Veritas Volume Manager 4.1, 5, BigIP F5, Oracle 9i, DNS, NFS, Sun T2000, M5000, v480, v880, rp3440, rx3660, rx6660, HP C6000& c7000

Solaris / Linux Engineer

Confidential, Dallas, TX

Responsibilities:

• Administration of Sun Servers (SPARC and x86) running Solaris 9, 10 and Dell, HP Servers running SUSE, Redhat EL 3, 4.x, 5 which included jumpstarting, performing live upgrades of Solaris operating systems and KickstartingRedhat EL 3, 4.x, 5
• Administration and support of Unix Servers including SUSE, Solaris, HP-UX & Red Hat Linux and CentOS.
• Creation of whole root and sparse root zones on Solaris 10 and administering of services using SMF
• Creation of VMs for SUSE, Solaris x86 and Redhat Linux on VMWare ESX 3.5 and administering them with VI Client.
• Performed volume management using Veritas Foundation Suite 5, SVM and LVM and the creation of zfs, VxFS, UFS and ext3 file systems.
• Installation and support of various applications including WebLogic 10, JBoss 4.2.x, Oracle 10g, Sun Java System Web Server 7, Tomcat, JDK 1.5, Ant.
• Provisioning of LUNs from SAN based on McData Switches and Hitachi Based Storage.
• Patch management using native commands on Solaris and Linux and following the chance control procedures.
• Performance tuning and troubleshooting of the applications and resolution of issues arising out of the ticketing systems in Remedy.
• Monitoring the servers using tools like BMC and Nagios and providing 24x7 support on call rotation basis.
• Modified the Linux Kernel (2.4) to control the swappiness.
• Configuration and support of Veritas Cluster Server 5.0 for various agents including SAP, Oracle, DNS
• Strong scripting knowledge (Perl and C) to perform different administration tasks.
• Experience in Shell scripting (ksh, bash) to automate system administration jobs
• Automated tasks using bash, korn shell scripts.
• Backup and restore of file systems using Veritas Netbackup 6.5.
• Worked on Remedy project and resolved Remedy tickets as assigned to the individual or team
• Participated in projects as directed including planning and the implementation of new applications and projects infrastructure.
• Involved in migration of project from one flavor to another one.
• Involved in development, user acceptance, and performance testing, production & disaster recovery server.

UNIX/ VERITAS Support Analyst

Confidential

Responsibilities:

• Installation of Solaris 9, 10 operating systems on SPARC platforms.
• Involved in Level 1 and Level 2 support with Symantec clients and worked on trouble shooting Veritas Products.
• Created projects on Solaris 10 to tune the operating system for installation of applications like Veritas Products.
• Installing, administration and troubleshooting of Apache 2.x web server, which included tasks like creating virtual hosts, installing SSL s etc.
• Installation of Veritas on Solaris and Linux servers and creation of diskgroups and volumes.
• Worked on installation and administration of Veritas Cluster on Solaris and Linux environments.
• Managing configuration of Veritas Volume Manager and Veritas Cluster.
• Performance monitoring and tuning of the applications and OS using iostat, ndd commands on Solaris servers.
• Installation of patches on Solaris and Linux servers to support VERITAS Products.
• Worked on cronolog in Linux servers for managing the logs of the web servers.
• Was involved in documentation of the procedures.

Environment: Solaris 8, Solaris 10, Redhat EL 3.x, 4.x, Veritas Storage Foundation Suite, Veritas Cluster, Sun T2000, v490, v890, 480R, Netra T12

UNIX Systems Administrator

Confidential

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of Sun Solaris 8,9 and Redhat 9, AS 3.0 servers on various hardware platforms that include Sun 4800, V480, 280R, 4500, 3500, Dell 6400, 2400, 1800 etc.
• Performed automated installations of Operating System using Jumpstart for Solaris and Kickstart for Linux.
• Extensively worked on hard disk mirroring and stripe with parity using RAID controllers
• Implemented a High Availability Cluster using 2 V480s, a T3 and Veritas Cluster Server 4.0.
• Developed, customized and build packages on Solaris and RPMs on Linux for deployment on various servers through Software Development Life Cycle.
• Designed bash, ksh, and Perl scripts to automate application and system management activities. These scripts provided the following functionality: application startup and shutdown, monitored systems and applications health, and web site management
• Installation, Management, Configuration of LAN/WAN systems utilizing Confidential switches and routers.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment. Worked with Apache and developed several UNIX scripts to automate web tasks
• Configured firewall based on Redhat Linux and FreeBSD 4.x that has three network interfaces.
• Managed existing documentation for systems and created new procedures to support new products. Created documentation for disaster recovery project.

Environment: Solaris 8,9, Redhat Linux 9, AS 3.0, Veritas Volume Manager 3.x, 4.0, Veritas Cluster Server4.1, Confidential Routers, Sun 4800, V480, 280R, 4500, 3500, Dell 6400, 2400, 1800 Redhat 8, 9.