SUMMARY

• Around 8 Years of Experience in UNIX/LINUX Systems and Network administration on VMware ESX 4.x/5.x, Windows 2008/2012, Sun Solaris 9/10/11, Linux RedHat (RHEL 4, 5, 6), CentOS, SUSE, Debian, OEL & HP - UX 10.x, 11.x, Sun Solaris 9/10/11(SPARC & x86), and AIX environments.
• Involved in supporting ESX clustered environments managing 400+ VM’s running Linux and Windows environments.
• Expertise in disk, file system management, Volume Management using VERITAS volume manager, Solaris Volume Manager, VERITAS File System
• Installing, upgrading and configuring SUN Solaris 8, 9, 10 & 11 on Sun Servers Using Jumpstart Servers.
• Involved in upgrading VMware ESX servers and managed VM’s and performed VMotion activities.
• Installed, configured and maintained UNIX/LINUX servers in an enterprise environment (Linux, Solaris, HP-UX) wif SAN/NAS infrastructure across multiple sites for business critical applications.
• Basic knowledge about RSA Risk based authentication and adaptive authentication.
• Experience in supporting middle ware environments like Apache/Tomcat, JBoss and Weblogic running on Redhat Linux and Solaris OE.
• Administration of Hitachi AMS 2500, USP-V, VSP and EMC DMX, V-Max storage arrays by using Hitachi command suite7, Storage Navigator, Storage Navigator Modular2, Solution Enabler (SYMCLI) and SMC.
• Worked on configuration management in Puppet environment wif 500+ servers and involved in developing manifests.
• Well experienced in writing puppet manifests and customized Facts.
• Configuring and maintaining virtual server environment using VMWARE ESX/GSX, VSphere, and VCenter.
• Volume and Filesystem management using Veritas Volume Manager (VxVM) and Veritas Filesystem (Veritas Storage Foundation).
• Experience in Amazon Cloud Services and its features AWS EC2, VPC, EBS, AMI, snapshots, Autoscaling, SES, SQS, SNS, RDS, ELB, EBS, CloudWatch, S3 etc.
• Experience in deploying Puppet Master and agent environments for Configuration Management.
• Experience writing Puppet manifests for automating teh configuration management across various Linux distribution lists.
• Clustering solutions for High Availability using tools such as Veritas Cluster Server (VCS), RedHat HA (RHCS), and MSCS.
• Good knowledge on RAID groups and setting up NFS, CIFS and iSCSI protocols in SAN/NAS environment on HPUX 11.23/11.31 and Redhat LINUX.
• Performed patching of Linux & Solaris servers on regular schedule. Involved in Network/SAN installations using kickstart and jumpstart.
• Worked on setting up customized kickstart and jumpstart servers using Cobbler.
• Involved in migration set up for UNIX/Linux server and SAN storage between data centers and also application migration and testing. dis included SAN Application migration and testing various functionalities of key applications.
• Experience in Server Configuration and Implementation SAN Migrations on SAN Storage such as IBM DS8000/4000, IBM XIV, EMC Clariion, VNX, VMAX, HP EVA & NAS like NetApp and EMC.
• Setting up NIS/NFS on RedHat servers, setting up JBOSS cluster and oracle 10g cluster, configuring load-balancing on apache, Redhat Linux 4.x/5.x/6.x.
• Installation/configuration of Oracle 11g & 12c, Sybase, SQL Server, Informix Databases.
• Setup, Implementation, Configuration of Backup/Restore solutions for Disaster/Business Recovery of clients using OMNIBACK on UNIX and LINUX platform.
• Experience in scripting languages such as Shell, Perl, Python and Ruby.

TECHNICAL SKILLS

Operating Systems: Linux Redhat EL 4.x/5.x/6.x/7, SUSE 9/10.0/11.x, Ubuntu v 6.10/9.10, Sun Solaris 8/9/10 & 11 UNIX Sun Solaris 9/10, HP-UX 10.2/11.31/11 me v3 Windows Win NT/98/XP/Vista/7/Server 2003/2008/2012 VMware ESX 3.x/4.x/5.x

Server Management: SUN Solstice Disk & Admin Suites, VxVM, SMC, HP Open View, Network Node Manager, Compaq Insight Server Manager & Intel LAN Desk Manager, Puppet, Chef, Nagios, and BMC Patrol and Predict, Amazon EC2 and S3, Icinga.

Languages: C, C++, XML, PHP, PL/SQL, Shell Scripting - ksh, Bash, Java and csh, Perl

Data Base Servers: Oracle 8i, 9.2.x on Solaris and Red Hat Linux and Win NT/2000, MySQL 7, 2000 on Win NT/2000.

Networking Protocols: SNMP, SMTP, TCP/IP, IPX/SPX, NetBEUI, OSPF, BGP, IGRP, EIGRP, PPP, SLIP, UUCP, X.25, LAN, WAN, PCNFS, ARP/RARP, FTP/TFTP, RIP, DHCP, DNS, NIS, NIS+, Automounter

Desktop Applications: Acrobat, Paint Shop Pro, MS Office, Novell Group Wise, Corel Perfect Office, MS Works, Open Office, Dreamweaver, FrontPage, and many others.

Third Party Tools: VERITAS Volume Manager, EMC Storage, RAID Technologies, Splunk

Internet & WWW: Apache Web Server 1.2, 1.3.x, 2.x on Windows, Linux and Solaris, IIS 4.0, 5.0, 6.0, iPlanet 6.x, WebLogic 6.x, 7.x, 8.x, 9, 10, JBoss 4.2.x, Sendmail, Postfix, Mozilla, Webmin, Weblogic, JBoss and Apache Tomcat.

Cloud Technologies: Amazon Web Services

Security Hardware: Checkpoint 2000 VPN-1/Firewall -1, Cisco PIX version 5.1, 6.2, iptables 4/Software iptables 6.

PROFESSIONAL EXPERIENCE

Confidential, Scottsdale, AZ

DevOps Engineer

Responsibilities:

• Worked mostly on Redhat Linux environment 5.x and 6.x by installing, configuring and troubleshooting Apache Tomcat 7.x in a clustered environment where teh application is build.
• Involved in UNIX/LINUX System and Network administration in VMware ESX 4.x & 5.x, Sun Solaris (10/11), Linux (RedHat 5/6) servers running different Database and Middleware Applications.
• Involved in building vCenter on Windows environment and managed vSphere clients and performed administration using vCenter Power CLI.
• Cloud hosting (Amazon EC2, AWS, S3, RDS, simple Cache),
• Involved in creating Redhat and SUSE VM Templates and performed VM cloning activities on ESX Clusters.
• Storage Provisioning, Volume and Filesystem Management using LVM, Veritas Volume Manager and Veritas Filesystem (Veritas Storage Foundation), Configuring ZFS file systems.
• Rolled out Chef to all servers, and used teh chef node database to drive host configuration, DNS zones, monitoring, backups, and VM allocation and configuration.
• Provisioned storage from Symmetrix storage arrays DMX-3, DMX-4 to Windows, Solaris and Linux hosts using Solutions Enabler and Symmetrix Management Console.
• Performed AWS Cloud administration managing EC2 instances, S3, SES and SNS services.
• Worked wif team in developing new manifests and modules in teh Puppet infrastructure.
• Automating teh infrastructure using Shell/Bash scripts.
• Build new VMware ESX Server 4.x/5.x on HP HW running Red Hat Enterprise Linux & Created different virtual machine like Debian, windows 2003 & 2008 server, SuSE enterprise Linux using VMware Virtual Infrastructure Client tool and configured wif EMC storage box.
• Performing configuration management tasks on 500+ clients wif teh aid of Puppet Master Server and involved in writing Puppet manifests for customized configuration management.
• Virtualizations of AMS 1000, AMS 2500 and USP storage frames behind teh USPV and VSP using Universal Volume Manager
• Supported around 200+ Linux and Windows VMs’ running on ESX Clustered environment and performed vMotion activities for load balancing of resources.
• Developed scripts in Bash and Python in order to automate system administration tasks including backups, log rotation, user administration etc.,
• Wrote Puppet manifests in Ruby for deploying, configuring and managing collected for metric collection and monitoring.
• Implemented and Enhanced teh Existing Scripts which are developed in Shell, Perl, Ruby and Python.
• Used Splunk for log aggregation and analysis on different application servers.
• Involved in Storage migrations using mutipathing tools and Mirroring options at file level and block both at host level and SAN Array level and proficient in configuring Native and EMC, USP-V to VSP through lvm multipathing on servers.
• Maintained 15 VMware ESX server connected wif two EMC VNX SAN box and managed two Cisco MDS switch using Fabric & Device management tool and managed Datastores and peformed Storage vMotion.
• Involved in supporting Development environment which TEMPhas high end Java applications and SAP environments wif Oracle/DB2 backend.
• Experience working wif Linux and Solaris servers connected to EMC and IBM SAN Arrays like VNX, VMAX, XIV and performed host level tasks like multipathing using EMC Powerpath, IBM Tools and Redhat Native Multipathing.
• Clustering solutions for High Availability using tools such as Veritas Cluster Server (VCS), MSCS, RHCS
• Configuring and maintaining virtual server environment using VMWARE ESX, VCenter VSphere.
• Installation and Configuration of Sun Enterprise Servers, HP and IBM Blade Servers (C6000 & C7000), HP Itanium, Configured Enterprise UNIX/LINUX systems in heterogenous environment (Linux, Solaris, HP-UX) wif SAN/NAS infrastructure across multiple sites on mission business critical systems
• Setup, Implementation, Configuration, documentation of Backup/Restore solutions for Disaster/Business Recovery of clients using OMNIBACK on UNIX and LINUX platform
• Performed quarterly patching of Linux and Solaris servers on regular schedule. Involved in up Network/SAN based migration activities.
• Good knowledge of RAID groups and setting up NFS,CIFS and iSCSI protocols in SAN/NAS environment on VMWare ESX and Redhat/SUSE LINUX
• Implementation of oracle RAC 10g on HPUX blades and Itanium servers wif Redhat linux RHEL 5.x/6.x along wif SAN storage on EVAs. Also implemented and support HPUX Service guard on Linux servers
• Involved and set up migration for UNIX/Linux server and SAN storage between data centers and also application migration and testing. dis included SAN/Application migration and testing various functionalities of key applications
• Installing and configuring Proliant Blade BL, DL series wif fiber channel connectivity, Cisco GESM interconnect switch, configuring teh connectivity, setting up JBOSS cluster, setting up oracle RAC cluster, configuring load-balancing on apache, on Redhat Linux 5.x Setting up NIS/NFS on RedHat servers.
• Setting up JBoss cluster and configuring apache wif JBoss on RetHat Linux. Proxy serving wif Apache. Troubleshooting Apache wif JBoss and Mod jk troubleshooting for teh clients.
• Setting up teh lab environment wif Tomcat/Apache, configuring teh setup wif F5 virtual load balancer for customer application

Confidential, Raleigh, NC

DevOps Engineer

Responsibilities:

• Installation and Configuration of Linux ( Red Hat & SUSE ) and Solaris servers/workstations for clients
• Configuring teh NFS servers, setting up servers in network environment and configuring FTP/NTP/NIS servers, clients for various departments and clients.
• Involved in supporting Servers running in Solaris (9/10/11) & Linux (Red Hat 5/6 & SUSE).
• Installation and Administration of Solaris 9, 10 on SPARC and x86 servers Enterprise Servers for test lab, production and disaster recovery setup
• Creating Solaris 10 zones running on Solaris Global Zone for applications like Apache/Tomcat and Jboss.
• Involved in maintenance of systems including patching, setting up Print Servers, Configuring File systems, using LVM/Veritas on HPUX/Linux/Sun Solaris OS, involving SAN environment
• Performed P2V migrations of Solaris 9, 10 and AIX 5.3, 6.1 to vblock using VMWARE Converter.
• Setting and maintaining SUSE/Redhat Linux and Ubuntu servers in Production and Lab Environments.
• Installed, configured, and performed management of services such as Apache for more TEMPthan 250 Redhat Linux servers.
• Setting up teh Backup solution using native Unix/Linux tools and also worked wif Omni back/Data protector solutions.
• Has also used and PUPPET 3.x automation tool for configuration management in Linux systems.
• Utilize Cloud formation and Puppet by creating DevOps processes for consistent and reliable deployment methodology.
• Involved in orchestrating automation using Puppet for Linux and Solaris servers.
• Creating and ManagingUserandGroup Administrationand Access Privilege Setting wifSUDOERS onSolaris 9/10/11,RHEL 5.x/6.x
• Support of Applications like Apache Tomcat and Java based applications running on Linux machines for multiple clients.
• Performed deployment of Amazon EC2 instances in AWS environment.
• Installation, configuration and administration of Linux (Red Hat/SUSE, Centos).
• Storage Provisioning, Volume and File system Management using LVM/Veritas on Linux in a SAN environment
• Configuring network services such as DNS/NFS/NIS/NTP for UNIX/Linux Servers
• Setting up UNIX/Linux environments for various applications
• Project Management for various UNIX/Linux/Windows system integration projects
• Troubleshooting system and user issues, providing friendly and timely UNIX customer support
• Developed and conducted complete hands-on UNIX training courses for basic UNIX, Advanced UNIX, UNIX System administration, UNIX Network Administration, UNIX SHELL scripting depending on teh requirement.
• Worked on updating and developing new scripts using grep, awk and regular expression as per teh requirements.
• Developed manuals, exercises and PowerPoint presentations for teh courses

Confidential, Waukegan, IL

LINUX Administrator

Responsibilities:

• Worked in a production support team on Redhat 4.x, 5.x and 6.x, SUSE Linux 10.x, AIX 4.x/5.x hardware platforms and in VMware vSphere client 5.x virtual environment.Maintenance of DELL (2650, 2850, 2950, 380 Gen 8) servers and HP Proliant servers wif Blade Hardware like C7000 and software troubleshooting.
• Upgraded Redhat Linux and Ubuntu on HP/Dell Servers and workstations. Added necessary patches using patchadd utility and scripts.
• Controlled disk operations, disk group operations, volume operations and volume configurations using vxdisk, vxdg, vxassist, vxmake and vxvol in Veritas Volume Manager.
• Configured and administered Samba to provide file services, resolved various inter-operability issues between Windows NT & Linux platforms
• Developed Puppet Modules and Manifests as per teh project requirements.
• Installation, Setup and Configuration of WebLogic 9.0/8.1 application server.
• Deployed Portlets manually using Admin Console.
• Performed EC2 instances provisioning on AWS environment and implemented security groups, administered VPCs.
• Disk Management using different RAID technologies in Linux using Veritas Volume Manager and LVM.
• Network trouble shooting using ndd, traceroute, netstat, ifconfig and snoop.
• Involved in Configuring DHCP server and giving IP addressing dynamically.
• FTP Server configuration in Linux and done kernel tuning on Linux for play out software.
• Involved in creating new users, groups and setup their home directories and appropriate access restrictions to software and directories & files using access modes.
• Written Shell scripts to run Batch Jobs on Red Hat Linux servers and also developed scripts wif teh aid of RegEx, grep, awk and sed as per project necessity.
• Provided system performance reporting on a regular basis along wif keeping all software at current version levels, and maintaining a log of changes for tracking.

Confidential, Houston, TX

LINUX/AIX Administrator

Responsibilities:

• Worked as Unix Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives
• Handling HP and DELL servers running on Red hat Linux, Cent OS.
• Extensive Experience on working on IBM P Series High End Servers.
• Working on multipathing software like Powerpath of EMC.
• Setup NIM client and install AIX Base operating system using NIM Master Server.
• Used teh LVM extensively; Created/Modified/Deleted Volume Groups, Logical Volumes and File systems; Added/Removed physical disks; Mirrored Volume Groups and Logical Volumes
• Experience supporting Redhat Linux servers running Oracle databases.
• Installation, Upgradation and configuration of RedHat Linux and Windows 2000 servers.
• Deployed latest patches for, Linux and Application servers, performed RedHat Linux Kernel Tuning.
• Upgraded BEA WebLogic 7.0/6.1 server wif latest service pack patches to 8.1.
• Implementation of Samba to help printing and file sharing in teh mixed Environment
• Installing and setting up Oracle8i on Linux for teh development team
• Involved in creating new users, groups and setup their home directories and appropriate access restrictions to software and directories & files.
• Developed Shell and Python scripts for automating teh log rotation and backups in different servers.
• Migrated database applications from Windows 2000 Server to Linux server
• Configuring Windows Machines in Work Group Environment
• Create system images wif Norton ghost.
• Performance Monitoring & System tuning.
• Configured HACMP to monitor, detect and react to failure events, allowing teh system to stay available during unexpected software problems and also configured to react to hundreds of system events.
• Creating and restoring teh mksysb images.
• Creating LPARs on High End Aix servers to logically divide machine into several logical units.
• Involved in preparation of functional and system specifications. Estimated Storage requirements for applications.
• Installing, Configuring and Maintaining IBM Aix Servers using LPAR & Mircropartioning.
• Capacity planning of P Series machines wif IBM Balanced Spread Sheets.
• Configured UNIX infrastructure, and supported IBM RS/6000 servers running IBM AIX.
• Rack mounted IBM p630 systems, installed and configured AIX and applied maintenance levels.
• Installed recommended patches on AIX.
• Managed file permissions & ownership for important directories & files.
• Implemented DNS, NFS, NIS, Auto mount networking services.
• Troubleshooting of all kind of OS related and hardware related issues on teh Linux servers

Confidential

AIX/LINUX System Administrator

Responsibilities:

• Worked as Unix Administrator in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives
• Administered a heterogeneous environment comprising MS Windows 2003 Server, Red Hat Linux and AIX wif emphasis on AIX OS. Administration involved installation, configuration, evaluation, implementation and support of strategic Business systems in a heterogeneous environment.
• Handling HP and IBM servers running on SuSe, Red hat.
• Handling day to day administration jobs in SuSe Linux and Red hat Linux
• Installed OS using automatic installation using Kick start.
• Setup LDAP Client services on Linux Servers.
• Creation of LVM's on SAN using Linux utilities
• Configured UNIX infrastructure, and supported IBM RS/6000 servers running IBM AIX.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager commands. Maintained availability, increased capacity & performance of production machines by upgrading their hardware (disks, CPU, memory, IO board, power cooling unit, motherboard etc)& firmware.
• Rack mounted IBM p630 systems, installed and configured AIX, applied maintenance levels.
• Troubleshooting of all kind of OS related and hardware related issues on teh Linux servers
• Involved in applying Patches, Installing patch bundles on Solaris, HP-UX and Red hat Linux.
• Configure VERITAS Cluster on Solaris.
• Configuration of Hardware and Software RAID on Digital & Sun Servers
• Working wif 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 teh client needs. Also involved in maintenance and Troubleshooting of VMware
• Maintenance of various versions of Linux Servers (RHEL 4.6,5.3
• Performed process automation, scheduling of processes using CRON jobs.
• Created and configured logical partitions (LPAR) on IBM p690 systems.
• Installed recommended patches on AIX.
• Designed & Implemented System Security administration policies. Systems security administration policies include: User ID/Group ID management, Password policies, password aging for AIX Users.
• Capacity planning of P Series machines wif IBM Balanced Spread Sheets.
• Managed file permissions & ownership for important directories & files.
• Implemented DNS, NFS, NIS, Auto mount networking services.
• Created logical partitioning LPAR and dynamic logical partitioning DLPAR defining virtualization on IBM Pseries servers using HMC.

Confidential

LINUX/AIX Administrator

Responsibilities:

• Responsible for migration, Configuration Management, Maintenance and Systems Development of AIX 5.2/5.3.
• Administration responsibilities include user, group, disk, printer and security management, File sharing Permissions.
• Administrator of IBM RS/6000 servers running AIX 5.3 for support of on Oracle 8.x., DB2, DNS, FTP.
• Responsible for determining hardware and compatibility requirements for installation of application software and different tools.
• Analyzed problems on RPC, security & directory services of DCE/DFS. Fixed bugs using IPtrace tools, core dump analysis tools and memory leak tools.
• Opened Closed Change Management/control Tickets to update installation progress, and for upcoming changes in environment using Peregrine.
• Responsible for Setting up and configuring Netbackup server/client and tape libraries.
• Involved in modifying and optimizing backup schedules.
• Responsible for troubleshooting and resolving missed and failed Netbackup backups
• Responsible for processing of tapes for offsite storage
• Responsible for Configuration of multiple logical subsystems utilizing IBM HMC, including LPAR configuration, NIM and CSM to install and manage teh LPAR Proficient knowledge in Advanced POWER Virtualization on IBM P5 System
• Extensive experience in micropartioning and V/IO, and LPAR Provisioning.
• Provided 24x7 support on shift rotation basis.