SUMMARY:

• 12+ years of IT experience in large - scale enterprise support. Proficient in all aspects of Server computing Infrastructure Management.
• Experience in Installation, configuration, and System Administration with Linux (RHEL 6/5/4), Solaris (10/9/8), HP-UX (11.x/10.x), AIX (5.x/4.x) and Windows (/ 2008/2003/2000/ NT) administration.
• Strong expertise on Devops concepts Continuous Integration (CI), Continuous delivery (CD) and Infrastructure as Code, Cloud Computing etc.
• Strong knowledge on Software Development Life Cycle (SDLC). Experienced working in Agile and Scrum methodologies.
• Experience in using source control tools such as GIT and SVN and involved in activities resolving branching and merging conflicts.
• Implemented and provisioned AWS services . OpenStack servers Hands on experience with services like EC2, S3, ELB, RDS, SNS, SES, SQS, Cloud Front, Cloud Formation templates, DynamoDB and monitoring services like CloudWatch etc.
• Working knowledge on of different types of configuration management tools like Puppet, Chef, Ansible, Salt.
• Supported multiple project in DevOps based project implementation through Infrastructure Automation , Configuration Management , and Deployment Management and Test orchestration .
• Extensive working knowledge on automation for deployment/ configuration of different Application servers like WebSphere, WebLogic, JBoss ; Web Servers like and Apache, Tomcat and Web Containers like Nginx etc.
• Configured and administered Monitoring tools like Nagios, Splunk, Zabbix etc .
• Experience in RPM Package Administration for installing, upgrading, and checking dependencies. Reconfiguring RPM database using RPM Build and creating YUM repository in Red hat Linux
• Experience in installation, configuration and administration of VMware based virtual servers using ESX/ESXi servers, vSphere and Virtual Center.
• Experience in installing, configuring the Volume/File system management using VERITAS Volume Manager (VxVM), Logical Volume Manager (LVM), Solaris Volume Manager (SVM) and Veritas File System (VxFS).
• Experience in installing, configuring and maintaining Application Servers like WebSphere and Web Logic, Web Servers like Apache HTTP and Tomcat on UNIX and Linux.
• Performing software installation, upgrades/patches/packages, troubleshooting, and maintenance on UNIX & Linux Servers.
• Experience working on Oracle Real Application Cluster (RAC) database, which provides highly available database solutions and supported MS SQL Server and DB2 teams.
• Expertise in monitoring System resources and Kernel parameters to enhance the system performance.
• Extensive experience in Shell (Bourne, Korn) and knowledge of HTML, Java Scripts, SQL, Perl Scripting.
• Extensive experience in writing various automation scripts to automate manual tasks, deploy applications, application build scripts/versioning etc using many popular open source libraries with different languages like Shell, Ruby and Python based scripting.
• Administering operating systems, hardware, and peripheral components, and maintain databases.
• Expertise in designing and implementing LANs, WAN services and IP Addressing schemes.
• Experience working with ITIL process (Change management, release management and problem management, Remedy and working on Remedy and Managenow.
• Used multiple bug tacking software like Bugzilla, JIRA and Lean Testing. Used those tools in finding, recording, reporting, managing and tracking of bugs
• Excellent communication, leadership, mentoring, written and problem-solving skills.

TECHNICAL SKILLS:

Operating System: Red Hat Linux 6/5/4/3 Solaris 10/9/8, HP-UX 11.31, 11.23, 11.11, 11.0, Confidential AIX 5.x/4.3, Windows 2008/2003/2000/ NT.

Hardware: SUN SPARC Enterprise- M5000/4000, ST2540 M2, SUNFIRE X4270 M2/X4170 M2, M-Series Servers, HP Proliant DL 380/360 G6, G5, p3440/rp7440/rp 8440, 9000, Server, SUN StorageTek Tape Auto Loaders SL48/SL24, Confidential R6000 /S80 / M80 / H70/H50 Series server and pSeries, HP/Dell PowerEdge series/ Confidential /Sun Blade Servers, Fire T5240, DL3xx, DL5xx, DL 4xx

Network/Naming Services: NFS, NIS, NIS+, DHCP, Proxy Server, DNS, LDAP.

App/Web Servers: WebLogic 11/10/9, WebSphere 8.0/7.0/6.0/5.0 , Apache 2.x/1.3x, Tomcat.

Languages: UNIX Shell Scripting, Phyton,Perl Scripting, HTML

Configuration Management: Chef, Puppet, Ansible, Jenkins

Backup Management: Veritas NetBackup 6.x/5.x/4.x, Ufsdump, Ufsrestore, tar, cpio, dd

RDBMS: Oracle 10g/9i/8i, MS SQL Server

Build Tools: Ant, Maven, Gradle

PROFESSIONAL EXPERIENCE:

Confidential, Wilmington, DE

Linux/Devops Engineer

Responsibilities:

• Administered +1000 Red Hat Linux servers 5/6 Supporting, Windows 2008/2012 servers both production and Part of Build team for new Linux High-Performance Grid from 0 to 24.000 nodes.
• Experience installing Puppet agents and pushing Manifests/Modules to 500+ Puppet clients
• Developed and implemented Shell and Phyton Scripts for automation purpose.
• Involved in phases of testing for example Unit testing, Integration testing, Smoke testing Performance testing and Load testing. We are also using inbuilt test cases in Jenkins and running those tests on master branch.
• Developed build & deployment scripts using MAVEN . Automated the process using plugins available Jenkins and move from one environment to other throughout the build pipeline.
• We are driving towards continuous integration and continuous delivery using Jenkins and Ansible for docker image building and deployment.
• Configuring ‘ nginx ’ for proxy RESTful API calls to micro-services in Docker containers .
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and Maven to schedule the builds.
• Coordinated the Development Team, QC and Application Support in Deploying the Code to the right System Test Environment using Hudson Tool.
• Application level coding is written in a way that it will interact with RESTful API, webservers .
• Installed and configured Chef DK workstation on multiple windows machines.
• Installed chef server and client managed nodes on multiple machines
• Worked on having High Availability for chef server to avoid any Disaster.
• Worked with Environments, Roles for classification of nodes for different installations/configuration.
• Authored Custom and Chef super market Cookbooks and recipes for different scenarios like install/configuration for different products.
• Experience in migration of consumer data from one production server to another production server over the network with the help of Bash and Perl scripting. 
• Experience on the installation of puppet client on the Redhat servers and CentOS.
• Used Puppet to automate the jobs and Used Puppet tool for managing system configurations
• Designed Modules using puppet and managed automation of installation process.
• Experience working on subversion, GIT
• Wrote puppet manifests for deploying, configuring, and managing collected for metric collection and monitoring.
• Experience working on Nagios to monitor system and Network.
• Experience working on Logical Volume Management (LVM) administration on Linux. Created VGs, LVs, PVs and disk mirroring.
• Worked on Commercial Services like Carrier Ethernet, Retail Ethernet for business Customer.
• Experience on EEM to Monitor CBH, ME and Wholesale customer SLA, service and network Monitoring.
• Service Quality Management (SQM) experience with service Director to measure Availability, Latency, Loss and Jitter.
• Experience on working Key Performance Indicators (KPI) to build Key Quality Indicators (KQI).
• Worked on Commercial Service platform for gathering data from Inventory and Order Management system.
• Generate the payload for the LOB using SoapUI.
• Provided technical services to projects, user requests and data queries.
• Analyzed statistic from current and previous loads.
• Processed the payloads using Perl, bash.
• Worked on installation of OpenStack  key components
• Monitoring running stacks including events & resources on OpenStack Cloud.  
• Recommended build management, defect management development process flow. Administrator of SVN.
• Responsible for writing/modifying Perl, Bash script for day-to-day administration. 
• Using Nagios as a Monitoring tool to monitor the systems and applications. 
• Managed the software configurations using Puppet, Dashboard, and Puppet DB for configuration management to existing infrastructure. 
• Writing Puppet and Perl scripts for automated installation across different flavors of Linux such as RedHat, Ubuntu. This made it easier for installations and updates to be ran on multiple machines at same time.
• Experience on Expanding LUNs and allocated Storage to VMware ESX.  
• Worked on Patch Management in the ESXi5.0 Servers through the Update Manager. 
• Experience on the installation of puppet client on the Redhat servers and CentOS.
• Extensively worked on creating puppet  modules as per the business requirement. 
• Used different joins, sub queries and nested query in SQL query.
• Created and configured management reports and dashboards.
• Writing SPLUNK Queries to generate the report.
• Generating Dashboard through Splunk .

Environment: Linux, AIX, Puppet master, agent, dashboard, automation, Manifests, Modules, Postfix, LDAP, SAN, VCS, Kick-start, AD, SELinux, httpd Apache Cloudstack, Puppet, Ericsson Experience Manager SPLUNK, Spectrum, Bash, Perl.

Confidential, Charlotte, NC

Unix/ Linux Administrator

Responsibilities:

• Administered +1500 Red Hat Linux servers 5/6 Supporting, Sun Solaris 9/10 both production and Disaster Recovery servers. Critical technology infrastructure at Wells Fargo and is valued support personnel.
• Worked on agile methodology throughout the project. Involved in weekly and daily bases release management.
• Working with a strong team of architectures, backend developers to gather function and non-functional requirements
• Working on Volume management, Disk Management, software RAID solutions using Veritas Volume manager 4.1/5.1. File system Tuning and growing using Veritas File System (VxFS), planed, documented and supported high availability, data replication, business persistent, fail-over, failback Solutions using Veritas Cluster Server 5.0 in SAN environment.
• Planning, Designing and Implementation of new Infrastructure for upcoming projects and ensure smooth running of Wells Fargo business services.
• Worked on live like environment to test any production issues on the setup and push into production
• Monitoring IoT (Internet of Things) specified infrastructure design and implementation process.
• Involved in source control management with GitHub and GitLab Enterprise level repositories. Regular activities include configure user’s access levels, monitor logs , identifying merge conflicts and managing master repository.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management
• Customized monitoring with Nagios, & PNP4Nagios Graphs for both legacy and new environments.
• Built & Deployed Java/J2EE to web application server in agile continuous integration environment and automated Labelling activities in TFS once deployment is done.
• Working knowledge on of configuration management tools like Puppet, Chef, Ansible, Salt.
• Developed Shell Scripts for automation purpose.
• Involved in phases of testing for example Integration testing, Smoke testing Performance testing and Load testing. We are also using inbuilt test cases in Jenkins and running those tests on master branch.
• Developed build & deployment scripts using MAVEN . Automated the process using plugins available Jenkins and move from one environment to other throughout the build pipeline.
• We are driving towards continuous integration and continuous delivery using Jenkins and Ansible for docker image building and deployment.
• Configuring ‘ nginx ’ for proxy RESTful API calls to micro-services in Docker containers.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and Maven to schedule the builds.
• Coordinated the Development Team, QC and Application Support in Deploying the Code to the right System Test Environment using Hudson Tool.
• Application level coding is written in a way that it will interact with RESTful API, webservers.
• Creating and Managing Virtual Machines using Xen, KVM or RHEL to run specific services.
• Designing & deploying data centre architecture on Linux Platform. Building, patching and managing existing datacentre rack servers on Red Hat Enterprise Linux
• Active participant in scrum meetings, reporting the progress and maintain good communication with each team member and mangers.
• Involves in Patch management, change management, Business Continuity Planning and Vendor relationship management.
• Proficient in System Software Installation, configuration and administration of NFS & NIS.
• Involved in installation, configuration of Apache Web server, BEA Web Logic and Confidential Web sphere and Oracle UNIX, Linux environment
• Involved in new Server Builds with project requirements - RHEL 5/6 servers installed, configured packages, patches, update Kernel parameters as per Application team requirements.
• Troubleshoot and resolve complex hardware, OS, database applications and networking problems.

Environment: Solaris9/10, RHEL4/5/6, SunFire v480, SunFire 6900, M5000, T2000, T5140, Netra X1, X4140, X4170 SPARC T- 4 6800/4800/480 , Confidential x3550, x3650 M3, X4600, Confidential, Git, Jenkins, Maven, nginx, Ansible, AWS, Shell scripting, Apache Tomcat

Confidential, Somerset, NJ

Unix/ Linux Administrator

Responsibilities:

• Administered +1200 UNIX servers running Red hat Linux 4/5/6, Sun Solaris 9/10 and Virtual machines hosted on Vsphere 5.0 The servers hosted the company’s Clients on the Solaris and Linux hosts revenue generating critical applications (Wiley Online Library, Wiley Plus and others.)
• Worked in Data Center provided 24/7 supporting Confidential servers, Sun, Confidential blade server for hardware closely
• Worked in installation of OpenStack  components and Worked on Openstack (Havana) creating VMs, security groups, adding resources, creating profiles.
• Monitored running stacks including events & resources on OpenStack (Havana)
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management
• User administration using UNAB (UNIX Authentication Broker) and CA Control Minder tool for Linux and Solaris user accounts. This Provides integration into company Active Directory /LDAP environment.
• VMWARE guest host operating system installation Virtual Machine server provisioning post configuration of virtual machine
• Experience on various VERITAS Suite of products on RHEL 5 and Solaris 9,10
• Volume Manager (VxVM) administration versions 5.0, 5.1 this includes
• Includes installations, configuration of DG (Disk group), Volumes (Plex and VM), and file systems.
• Deport and Import of DG.
• Root disk Mirroring using VXVM on some hosts.
• VERITAS Cluster Services (VCS) installation, configuration, administration.
• High Availability using Redhat cluster and VERITAS Cluster Servers for failover and redundancy purpose.
• Experience working on Logical Volume Management (LVM) administration on Linux. Created VGs, LVs, PVs and disk mirroring.
• Administered Zones on Solaris 10Solaris zones (containers)  using utilities Zonecfg, Zoneadm etc.
• Upgraded firmware on Oracle /SUN and Confidential hardware such as X4140, M5000
• Developed and supported the Software Release Management and procedures using agile/scrum.
• Performed all necessary day-to-day Subversion/CVS support for different projects.
• Responsible for design and maintenance of the Subversion/CVS Repositories, views, and the access control strategies for different parallel development teams
• Designed and implemented Subversion and CVS metadata including elements, labels, attributes, triggers and hyperlinks.
• Experience creating modifying Phyton, Perl, Powershell, Bash scirpts
• Monitoring IoT (Internet of Things) specified infrastructure design and implementation process.
• Involved in source control management with GitHub and GitLab Enterprise level repositories. Regular activities include configure user’s access levels, monitor logs , identifying merge conflicts and managing master repository.
• Used Puppet tool for managing system configurations. Installation, configuration and administration of VMware, Solaris Zones, Containers and Ldoms
• Implemented & maintained the branching, merging and build/release strategies utilizing Subversion/CVS.
• Used ANT and MAVEN as a build tools on java projects for the development of build artifacts on the source code.
• Automated the entire build and deployment process using Jenkins and Hudson for Continuous Integration, and documented the process
• Worked on Nexus repository to maintain artifacts and used as a local repository.
• Debugging issues that are effecting the environment and understanding the root cause and identify a solution.
• Migrated out core repository from SUBVERSION to GIT . In this process I was involved in individually migrate all the code base from subversion to GIT ensuring that health of our builds aren't affected. Performed high level merges of branches, code bases.
• Used ANT and MAVEN as a build tools on java projects for the development of build artifacts on the source code.
• Automated the entire build and deployment process using Jenkins and Hudson for Continuous Integration, and also documented the process
• Maintained build related scripts developed in ANT, Python and shell .
• Worked with Chef Data store and encrypted data bags for sensitive information like passwords.
• Worked with Chef plugins like ssh, search to administer chef nodes/clients.
• Involved in administrating git server and continuous Integration system like Jenkins and handled escalations from developers across the globe.
• Designed, developed, enhanced and maintained Web based UI for monitoring purposes and scripted reporting tools (in Phyton & BASH) for verifying the build logs for frequently observed build and test issues.
• Extensively worked in data and database migration from older machine to latest configurations.
• Experience in RPM Package Administration for installing, upgrading, and checking dependencies. Reconfiguring RPM database using RPM Build and creating YUM repository in Red hat Linux
• Worked on server consolidation and migration from one data center to another data centers. (Migration to Texas)
• Monitor performance and resource utilization of key systems and provide ongoing trend analysis for forecasting future resource requirements.
• Administering operating systems, hardware, and peripheral components, and maintain databases. -
• Fixing the hardware failures by coordinating with management and vendors for a uninterruptible delivery
• Obtained Open Stack Cloud traning for upcoming new projects in John Wiley

Environment: Git, Jenkins, Maven, nginx, Ansible, AWS, Shell scripting, Apache Tomcat and python.Open stack, Solaris9/10,RHEL4/5/6,SunFire v480,SunFire 6900,M5000, T2000,T5140,Netra X1,X4140, X4170 SPARC T- 4 6800/4800/480 , Confidential x3550, x3650 M3, X4600,

Confidential, Cincinnati, OH

Unix/ Linux Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Linux, Solaris, AIX, HP-UX and Windows operating system.
• Worked on installation of OpenStack  key components for cloud servers
• Monitoring running stacks including events & resources on OpenStack Cloud. 
• Worked on agile methodology throughout the project. Involved in weekly and daily bases release management
• Involved in DevOps migration/automation processes for build and deploy systems.
• Involved in unit testing and test driving development for assigned project in Apps domain
• Implement the Build automation process for all the assigned projects in Vertical Apps domain
• Participated in developing service-oriented architectures and web services with REST APIs, JSON in Apps domain
• Developed Python scripts to develop a working and efficient network within the company
• Developed object-oriented programming to enhance company product management
• Experience on the installation of puppet client on the Redhat servers and CentOS.
• Used Puppet to automate the jobs and Used Puppet tool for managing system configurations
• Designed Modules using puppet and managed automation of installation process.
• Configuring NFS, NIS, NIS+, DNS, and disk space management on Linux/Unix servers.
• Worked on Datacenter Migration Project. Migrated Linux/Unix Servers from one data center to other data center with minimal downtime.
• Installing and configuring Linux, Solaris, HP-UX, and AIX using kickstart, Jumpstart, Ignite and NIM.
• Extensive working experience in process scheduling, disk and file system I/O, kernel internals, TCP/IP networking.
• Implemented SUDO, SSH and other security tools and security compliance
• Involved in installation, configuration and administration of Apache Web server, BEA Web Logic and Confidential Web sphere and Samba Server in UNIX, Linux and Windows environment.
• Installation and configuration of Veritas Volume Manager, Veritas File System.
• Extensive use of volume management tool using Logical Volume Manager to create disk group.
• Experience in Zone Creation on Solaris 10 .Configured and Installed Solaris zones (
• Implemented in Red Hat Cluster Suite and Global File system, Red Hat Network Satellite Server.
• Checking the status and property information of hardware components during regular maintenance using hp online diagnostic utilities SFM (system fault management), STM (support tool manager).
• Created/used LDOM in Solaris 10 and installed multiple OS.
• Creating metadevices, soft partitions, mirroring the devices and metasets.Space allocation to the metadevices, detaching and clearing the devices if not in use.
• Performed automated installations of Operating System using Jumpstart for Solaris and kick start for Linux.
• Worked on Disaster Recovery site configuration in testing.
• Experience in Load Balance workload evenly across two or more servers, network links, CPUs, hard drives, or other resources, in order to get optimal resource utilization, maximize throughput, minimize response time, and avoid overload.
• Configured new service group and resources for new application in Veritas Cluster Servers.
• Installed and configured VMware ESXi server created VMs and deployed Linux and Windows OS on VMware based VMs.
• Worked on TRACE Action Request system for ticketing and tracking asset records.
• Involved in disaster recovery testing every quarter.
• Supported 24/7 High availability production servers
• Participation in change control activities, Involved in Memory sizing of different applications. Complete periodic checks of production and development systems, CPU utilization, memory profiles, disk utilization, network connectivity, system log files, etc. 
• Verify successful completion of daily incremental and database backups, following developed procedures

Environment: Solaris 8,9,10, RHEL4,5,6Windows 2003,2008, Sun Enterprise 4500/4540/6500/450/420 R/250 server, Sun fire 6800/4800/480 , E10k/25K. Tseries, Mseries, HP Itanium, HP PA -RISC boxes Rp8200, Confidential series 670, p5 595, series, HP Blade Server C7000, BL660,BL460. Dell Blades M1000e

Confidential, Atlanta, GA

UNIX Systems Administrator

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of Sun Solaris, AIX, HP-UX, Linux.
• Performed automated installations of Operating System using Jumpstart for Solaris and kick start for Linux.
• Involved in Server sizing and identifying, recommending optimal server hardware based on User requirements.
• Installation and configuration of Veritas Volume Manager, Veritas File System and Veritas Cluster Server.
• Installing and configuring Linux, Solaris, HP-UX, and AIX using kickstart, Jumpstart, Ignite and NIM.
• Involved in identifying build errors in the system and identify the build issue and escalate it to the concerned team after careful analysis. Work and coordinate with them to get the fix in the release.
• Worked on Continuous Integration System i.e. Jenkins. Used Jenkins for official nightly build, test and managing change list. Installed Multiple Plugins for smooth build and release build pipelines.
• Migrated out core repository from SUBVERSION to GIT. In this process I was involved in individually migrate all the code base from subversion to GIT ensuring that health of our builds aren't affected. Performed high level merges of branches, code bases.
• Maintained Maven/Ant and streamlined the entire build system. And managed build and release infrastructure, optimised build scripts and introduced a better way of releasing RPMs with effective tracking.
• Maintained build related scripts developed in ANT, Python and shell.
• Involved in administrating GIT server and continuous Integration system like Jenkins and handled escalations from developers across the globe.
• Involved in deploying the content Openstack cloud platform on Amazon AWS using EC2, S3, and EBS.
• Building & configuring Redhat Linux systems over the network, implementing automated tasks through crontab, resolving tickets according to the priority basis.
• Create and maintain nightly builds, hotfix builds/branches, custom and private builds
• Building, Installing and configuring Veritas cluster Server, Red hat Cluster and HP MC Service Guard
• Installed the Operating System on Solaris and Linux servers and blade severs over the network
• Involved in server migration project and migrated to VMware based virtual machines.
• Creation and scheduling of Cron Jobs, System Monitoring and removal of unnecessary files
• Updated & Running the various source codes for migration & updating follow-up the release management.
• Configured NIS Master and Slave servers and NIS clients.

Environment: RHEL4,5,6,Solaris 8,9,10, HP-UX 11.x, AIX 5.2, Windows 2000,2003, Sun Enterprise E 3500 450/420 R/250,M4K,M5K,M9K, T2K,T5K servers, HP Proliant-DL 360 G7, DL 380 G6, DL 380 G7,DL 580, Confidential RS/6000, Confidential Power 570,p5 505 Express servers

Confidential, Madison, WI

Linux/ Solaris System Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Solaris, Linux (Red Hat and SuSE), HP-UX, AIX operating system.
• Installation and configured Solaris 10 with Zone configuration
• Experience in configuring Red Hat Cluster Suite, Veritas Cluster Server, and HP Service Guard.
• Installation of patches and other software packages.
• Configuration of NIS, NIS+, DNS, NFS, Sendmail, Samba, Apache for multiple environments.
• Installation, Configuration and Administration of Web Sphere and WebLogic Servers
• Monitoring System performance and do kernel tuning to enhance the system Performance.
• Setup and maintained DNS Primary, Secondary, Cache-only servers, DHCP servers and DNS clients.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.
• Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
• Installation and configuration of Veritas Volume Manager, LVM, Veritas File System and Veritas Cluster Server.
• Creating and maintaining Users, Disk space, LVMs and Process Monitoring in Linux.
• Package management using RPM and errata using UP2DATE in Linux.
• Experience with Volume creation resizing and troubleshoot to the client’s development/production environment using Veritas volume Manager.
• Managed Physical and Logical volumes, Volume Groups in Linux.
• Extensive working experience in process scheduling, disk and file system I/O, kernel internals, TCP/IP networking.
• Application & Production Support and on call support
• Desktop support provided to end users installation of windows 2003/NT.
• Troubleshooting hardware, software and configuration problems for various protocols and topologies
• Develop, Maintain, update various script for services (start, stop, restart, recycle and cron jobs) Unix based Korn shell, Bash
• Developed Python based API (RESTful Web Service) to track network traffic on server.
• Developed and designed e-mail marketing campaigns using HTML and CSS.
• Updated & Running the various source codes for migration & updating follow-up the release management.
• Analyze, review and alter existing network to increase operational efficiency or adapt to new requirement.
• Co-ordinate with Backup Operator regarding daily backups, monitoring backup servers and perform database, application and system backup in the absence of the backup operators.

Environment: Solaris 8/9, E 6500/5500/4500/10 K/15K class servers, Red Hat Linux, Confidential R6000 (S80/S70/M80, H80), FC60 Array, VERITAS Volume Manager , VERITAS NetBackup , Veritas Cluster Server , WebSphere , WebLogic , SAR.

Confidential, Edison, NJ

Linux Server Support Lead

Responsibilities:

• Managed 1900+ servers located in South America using remote tools.
• Experience installation RHEL OS and configured required network on HPC cluster.
• Installation, Configuration & Upgrade of Solaris, AIX, HP-UX, Linux (Red hat and SuSE) operating system.
• Installation, Configuration & Trouble Shooting of VXVM under sun Solaris 8, HP-UX
• Managed HPC cluster, performed hardware, BIOS and application upgrade.
• Configured and managed Apache web server and Managed software and hardware RAID systems.
• Managed user accounts and authentication process by NIS service.
• Managed System Firewall utilizing IP Chains, IP Tables. Implemented SSH SSL and certificate management
• Experience creating new certificates on desired hostname for application team
• Setup and maintained DNS Primary, Secondary, Cache-only servers, DHCP servers and DNS clients.
• Worked on incidents problem and change tickets related to AIX/Unix/Linux server
• Managing (adding/removing) disks partitions.
• Worked on multiple accounts with Ticket assessment on daily basis.
• Administration and maintenance of WAS ND clusters (vertical, horizontal) and deployment of applications in highly available, load balanced production environments.
• Developed web service integration layer for Web Sphere Portal. Install and configure Web Sphere Portal on AIX, UNIX and Windows.
• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• Perform auditing on UNIX/Linux Servers for security compliance and monitoring.
• Department Security Focal (Managing all the security related issues like Apars, Cirats, Health
• Worked on security activities (QEV, Health Checks, Priv ID revalidation & PAR) as per ITCS104
• Worked on Server commission and Decommission
• Monitoring the System Performance and tuning the kernel to enhance system performance.
• Worked on Backup issues and resolving as required.
• Job Scheduling and Automating process using CRON & AT
• Worked on Citrix environment user management.
• Administration of Tivoli Storage manager 5.1.4 client.
• Performing User ID creation, modification, deletion and maintain server security
• Monitoring system logs and the root's email for important messages such as errors and warnings or hardware fail errors .
• Worked on tickets troubleshoot, administer and performance tune AIX 5.1, Solaris 6,7 and 8, Red Hat Linux 3.
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount points for Server directories, and mounted these directories on AIX Servers.
• Performed research regarding Python Programming and its uses and efficiency
• Configured and administrated LPARs. Installation of patches and other software packages
• Configuration of NIS, NIS+, DNS, NFS, Send mail, Samba, Apache for multiple environments.
• Monitoring System performance and do kernel tuning to enhance the system Performance.
• Setup and maintained DNS Primary, Secondary, Cache-only servers, DHCP servers and DNS clients.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.

Environment: Solaris 8, RHEL 3,4 ,AIX 5.2, HP-UX 11.x and Windows 2000/2003, Sun Enterprise Servers 6800, 4800, v480, E5500/E4500 and E3500,Veritas File System 3.0, ORACLE