SUMMARY

• 8+ years of experience in corporate IT industry as a senior Linux Systems Administratorand Production Support on various applications likeSunSolaris, Red Hat Enterprise Linux and Windows environment.
• Experience in Installing, upgrading and configuring RedHat Linux 4.x, 5.x, 6.x and 7.x using Kickstart Servers.
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in Solaris and RedHat Linux.
• Experience in Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Proficiency in writing automation scripts using Chef, Puppet, Shell, Power Shell to support infrastructure as code and continuous deployment.
• Experience in Installing, configuring and maintaining Samba,Web Sphere and Web Logic Application Servers, Nagois and Chef.
• Extensively worked with automation tools like Hudson, Jenkins and Build Forge to implement the End - to-End Automation.
• Installed/Configured/Managed Jenkins CI Automation.
• Strong proficiency in supporting Production Cloud environments (AWS, Azure, and VMWare) as well as traditional managed hosted environments.
• Experience using cloud providers and API’s for Amazon Web Services (AWS) with CloudSigma (EU).
• Deploying software and infrastructure as a service using Openstack for both public and private services.
• Installation of OS Vulnerability patches.
• Experience in manage cloud software deployments, with a focus on continuous integration and deployment using Git, GitHub, Jenkins, Bamboo, SVN and Maven.
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Implemented multi Node OpenStack KILO Architecture on KVM Using Latest Release of Ubuntu with Services like Horizon, Nova, Neutron, Glance, Cinder, Keystone and Swift.
• Worked on Data-Center operation and migration across Unix and Linux platforms.
• Experience with installation, configuration and administration of NSX 5.2 - 6.1
• Experienced in implementing and maintaining an Apache Tomcat/MySQL/PHP, LDAP, LAMP web service environment.
• Experience in Ansible designed and developed integrated solutions through tools, processes and procedures to facilitate the cost effective delivery of services or fielding of products.
• Strong understanding of LAMP stack and support of web applications and supporting components such as apache/tomcat/memcache.
• Maintenance level upgrades and software administration RPM installation on linux.
• Experience on Web servers such as iPlanet Web server 6.0 /Sun one web server 6.3, 6.5, Tomcat 3.x, 4.x, 5.x, 6.x, and 7.x, Apache Server 1.x, 2.x and integrating them with Web logic 10.x servers.
• Installation and upgradation of Packages and Patches configuration mgmt., version control, service pack. and reviewing connectivity issue regarding security problem.
• Experience in configuration ofNIS, NIS+, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, postfix, send mail, FTP, Remote Access, Security Management and Security trouble shooting skills.
• Developed and deployed services for traffic management, load balancing and Domain Name System (DNS) hosting, using an integrated Microsoft’s public cloud computing platform called Azure.
• Experience in Installing, upgrading and configuringSUNSolaris9 and 10 onSunServers Using Jumpstart Servers, Manual installation as when required.
• Installation and configuration of java application server JBoss, Web Sphere 5.1/6.0 Application Server on Solaris and Linux boxes.
• Deploying and configuring JBoss application server, using an updated version of Java Development Kit (JDK) in both source and binary format, for develop java applications, web applications and services.
• Experience in Installation and configuration of Zonesand ContainersinSolaris10 environment.
• System installation,databasebackup and recovery, maintain user accounts, patch installation, network configuration and troubleshooting software, hardware and Ubuntu problems of the Solaris 10 UNIX.
• Integrate and Test new Software, patches and create Technical Documentation on UNIX and Windows platform.
• Integrated Imagery & Intelligence Systems, responsible for 24/7 operability, Unix/Windows software and system upgrades and the configuration of data flow to and from worldwide customers.
• Experience with Veritas Volume Manager (VxVM), Veritas File System (VxFS), Veritas Net Backup, Veritas Clustering with SAN, NAS environment.
• Experience in installing, configuring and implementing the RAID technologies using various tools like VxVMand Solaris Volume Manager.
• Experience configuring and managing Puppet master server and also experience in updating and creating modules and pushing them to puppet clients.
• Experience working in Oracle Applications 11i e business suite … (GL, AP, PO and Federal Financials, AOL, System Administrator).
• Experience in Install and configuration of Web hosting administrationHTTP, FTP, SSH and RSH.
• Experience in Installation of VMware ESX server and creation ofVMs and install different guest OS.
• Experience in Creating and maintaininguser accounts, profiles,security, rights, process monitoring and disk space.
• Resolving system errors and crashes, huge file sizes, file system full errors.
• Worked on Firewall implementation and Load balancer between various Windows servers.
• Deploying and adding new machines to a running data base, balancing load and duplicating the data to keep the system up, using Mongo DB, in a multi-server environment.
• Experience in Server monitoring, capacity planning, application monitoring with the help of Nagios, Cacti, Zabbix, Puppet, Splunk.
• Ability to write Shell and Perl scripting and worked on Splunk for generating various metrics
• Excellent analytical, problem solving, communication and interpersonal skills.
• Implemented Trip wire and Digital board band.
• Installation of Python and setting up ssh connection on remote nodes for configuring, managing and deploying software application on the nodes, using a powerful automation software called Ansible.
• Implemented set of process and services in active directory.
• Participated, documented, managed ITIL controls and supported Linux environment.
• Experience in writing shell scripts to automate the administrative tasks and management using cron and at.
• Expertise in scripting for automation, and monitoring using Shell, PHP, Ruby, Python and Perl scripts, along with RegEX for auditing.
• Interpreted scripting of python in Microsoft active server page technology, in various operating systems.
• Quickly adapt to a fast changing environment (C++, STL, OOP, Linux, SQL, Postgres SQL,Shell and Perl scripts, TCP/IP, Socket, Client-Server, gdb, git, JIRA, Agile, Jenkins) and to new priorities based on customer needs.
• C/C++, Pythonprogramming, UNIX scripting using Bash, Python.
• Installation and configuring of IBM Tivoli monitoring and monitoring of servers.
• Centralmanagementof all NetBackup enterprise servers using NetBackup operations Manager and/or OpsCenter.
• Programmed custom scripts, coded interface/translations applications to answer pressing reporting issues and bridge the gaps left by other tools. Deployed special open source projects for instance Cacti,LAMP(Linux, Apache, MySQL and PHP), rrdtool, assorted Tivoli products.
• Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, TCP, UDP, SMTP, FTP, and TFTP).
• Hands on Experience in LinuxadministrationSupport,Performancetuning& monitoring, problem analysis & resolution.
• Experience in setting up network environment using NFS, NIS and LDAP.
• Monitored and maintained Active directory, creation of new user accounts, shared Mailbox and calendar accounts. Create NAS volumes, CIFS shares, Snapshot, NDMP databackup direct to tape.
• Experienced in Trouble shooting and Back and Recovery.
• Independent problem solving and a good team player with strong interpersonal and communication skills.
• Ability to work independently as well as a team member.
• Experience supporting 24x7 production computing environments.Experience providing and weekend support.

TECHNICAL SKILLS

Operating Systems: RHEL 3/4/5, Solaris Release 2.10/2.9/2.8/2.7 , IBM-AIX 5.X, zVM Windows 2003, 2008, 2012 and NT.

Hardware: HP Proliant, Blade servers, Sun Servers E450, E3500, E4500, E5000, E6500, E10k, E15k, E25k, Sun Ultra's, V210, V280, V490, V880, V6800 SUN Ray (1g Ultra-Thin Client) SUN Desktops (SPARC 10, 5), DMX3 and DMX4 Storage Arrays, F5.

Software: Veritas Volume Manager 3.5/4/5, Veritas File System,Veritas Cluster Server 3.5, Veritas Netbackup 6.0, MS-Office/MS-Project.

Web/ Application Server: Tomcat, Apache DB2, Oracle,Websphere, Weblogic, MSSQL, Mysql

Database: SQL, NO-SQL, Apache DB, Mongo DB, Oracle9i, Oracle10g.

Tools: ANT,Maven, Hudson/Jenkins, Chef, Puppet, Build Forge

Network Protocols: DHCP, DIG, DNS, SNMP, SMTP, Ethernet, Cisco networking (IOS), netstat, NFS, NIS, nslookup, RIP, OSPF, BGP, TCP/IP, and tcpdump, FTP, TFTP.

Cloud: AWS EC2, VPC, EBS, AMI, SNS, RDS, EBS, CloudWatch, CloudFormation AWS Config, S3, Cloud Trail, IAM. VMWare.

Version Control Tools: CVS, SVN, IBM Rational Clear Case, Perforce, RTC, GIT, SourceTree

Programming Languages: C, SQL, HTML, PHP, XML, Bash, Perl and Shell Programming, JSP, Pythonand Ruby.

Backup Management: Veritas Net backup 4.x/5.x/6.x, Ufsdump, Ufsrestore, TAR, cpio, dd, Tivoli, Symantec Netbackup 7.x

Other tools: VMware VSphere, ESX/ESXi, VCenter Server, Datacenter Puppet, splunk, Chef and Nagios, Jenkins, Babmoo.

PROFESSIONAL EXPERIENCE

System Administrator Unix / Puppet Engineer

Confidential, Louisville, KY

Responsibilities:

• Performing regular backups, maintaining, configuring, regular patching and support for 2400+ servers
• Working with Chef Configuration manager on RHEL/centos servers
• Installed Chef-Server Enterprise On-Premise/WorkStation/ Bootstrapped the Nodes using Knife
• Installation of LAMP stack, caching and server tuning for building cloud server/products
• Designed and implemented Chef, including the internal best practices, cookbooks, automated cookbook CI and CD systems. Made use of Jenkins for Chef CI, Thor for versioning, Berkshelf for dependency management, and Test-Kitchen for testing and development
• Primarily used Ruby to write GIT applications and chef Recipes
• Experienced in installing LAMP (Linux, Apache, MySQL, and PHP) for different applications
• Provide the support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM
• Implementing new projects builds framework using Jenkins and Maven as build framework tools
• Worked on Cloud automation using AWS Cloud Formation templates
• Developed automation framework for Application Deployments to the cloud environments
• Administration, package installation, configuration of Oracle Enterprise Linux 5.4
• Worked on Multiple AWS instances, set the security groups, Elastic Load Balancer and AMIs, Auto scaling to design cost effective, fault tolerant and highly available systems
• Manage and administer Linux LAMP environment
• Worked on installation, configuration and administration of VMware for NSX 5.2-6
• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Ansible, Puppet, or custom-built. designing cloud-hosted solutions, specific AWS product suite experience
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage on 2, 3, 4 node clusters
• Developed build and deployment scripts using MAVEN as build tool and automated the build and deploy processes using Jenkins to move from one environment to other environments.
• Monitored and worked on alerts send by zabbix on various issues related to server availability, disk issues, CPU, memory, processes, etc.
• Create detailed analysis reports, technology projections, and vulnerability assessments of specified target systems
• Build and release software baselines, code merges, branch and label creation and interfaced between development and infrastructure
• Coordinated with the Storage, Network and Hardware teams on server provisions (HP DL360, 380, DL385, Cisco Blade servers)
• Configure YUM server with hands on experience in installing, uninstalling and upgrading the software packages through RPM and YUM
• Used Apache Subversion (SVN) and Jenkins Continuous Integration Server - Installation, Configuration, Design and Administration, and integrating these tools with other systems.
• Using Rundeck update job views, user profiles, software stack
• Implemented and Enhanced the Existing Scripts which are developed in Shell, Perl, Ruby and Python
• Installing and configuring default and third-party packages on Solaris 10 and RHEL Linux servers using YUM and RPM utilities
• Hardening, Patching Solaris 10 servers (using 10-recommended patches), and upgrades (release) on standalone servers using (single user mode), and on production servers (live upgrade)
• Worked on Oracle OVM, creating LDOMs, adding resources, hardware
• Performed routine systemupgrades on RHEL/centos systems
• Configuring and troubleshooting TCP/IP, DHCP, DNS, NFS, SSH, CIFS and SAMBA on Multiplatform (Solaris 10 and RHEL/centos)
• Setting up network environments using TCP/IP, NFS, DNS, SNMP agents, DHCP and Proxy
• Enabled Security Socket Layer (SSL) by requesting and generating digital certificates for implementation of HTTPS between Plug-in and Application Server
• Configuration and administration of DNS, LDAP, NFS, NIS, NIS+ and Sendmail on RedHat Linux/Debian Servers
• Provide first- and second-tier support for Apple Mac OS X and Microsoft Windows clients and servers; provide third-tier support for Apple Mac OS X and Linux servers
• Perform Monitoring and Log Management on Unix Solaris 10 and RHEL Centos servers including Processes, crash dumps and, swap management, with password recovery and performance tuning
• Configured and managed storage volumes such as LVM and VERITAS on RHEL/centos systems
• Installed and configured ISCSI Utility on RHEL/Centos 6.4 server for Network Attached Storage.
• Installed/configured EMC Storage with 0, 1& 5 RAID configurations.
• Worked on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager and Solaris Volume Manager. File systemTuning and growing using VERITAS File system(VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Setup whole root zones/containers on Solaris 10 for application management; modify zone setting, network settings, import file systems, migrating zone paths and migrating zones between Solaris 10 Servers.
• Ability to work closely with teams, in order to ensure high quality, timely delivery of builds and releases.
• Strong ability to troubleshoot any issues generated while building, deploying and in production support and On call Support on Rotation Basis

Environment: Red-Hat Linux Enterprise servers (HP Proliant DL 585, BL 465/ 485,ML Series, SAN(Netapp), Debian, BladeLogic, Veritas Cluster Server 5.0,6.0 Windows 2008/2010 server, AngularJS, Shell programming, 4.0,4.2,5.1,6.1,7.0 JDK 1.5,1.6, ESXi 5.1, 5.5, vSphere 5.1, 5.5, VMware Infrastructure 3.5.

Linux System Administrator / Dev Ops Engineer

Confidential, Richmond, VA

Responsibilities:

• User administration on Linux and Solaris machines.
• Installed RHEL 4.0/5.0 using kickstart and custom building the servers.
• Installed/configured EMC Storage with 0, 1& 5 RAID configurations.
• Installed and configured VERITAS Volume Manager and VERITAS File System as needed.
• Supported, Installed and Upgraded VERITAS NetBackup software on multiple UNIX servers (Solaris).
• Working Knowledge in setting up VmWare architecture (Xen/VmWare Server/KVM).
• Automated in the form of tools and Scripts to reduce IT Work bare minimum.
• Developed BASH, Python shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation through Autosys
• Configuration and administration of NFS and Samba in Linux and Solaris.
• Creation & Maintenance of user accounts & passwords & profiles, home directories, initialization of files, groups’ creation and management, setting file permissions, customizing shell environment setup for users.
• Installation and setting up Firewall (IP tables).
• Enabling DRAC IPs to access console remotely.
• Setting up the disks (internal and external) in RAID configuration for PRE-OS INSTALL.
• Worked in setting up ISCSI Devices (Storage).
• Configuration of LVM (Logical Volume Manager) to manage volume group, logical and physical partitions and importing new physical volumes.
• Linux kernel, memory upgrades and swaps area and performed Red Hat Linux kick start installations.
• Maintained Separate spread sheets for physical and virtual servers. Worked on getting all the existing hardware into the server database.
• Capacity planning, infrastructure design and ordering systems.
• Worked with DBAs on installation of RDBMS database, restoration and log generation.
• Performing tape backups, archiving and checking data integrity through Shell Scripts and job automation.
• Supported back office systems environments.
• Performed daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.
• Repair and recover from hardware or software failures. Coordinate and communicate with impacted constituencies.
• Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities.
• Configure / add new services as necessary.
• Used Sharepoint for documentation.
• Day-to-Day application support on production and technical documentation for critical prod issues, on call pager support 24/7 environment.

Environment: Red-Hat Linux Enterprise servers (HP Proliant DL 585, BL 465/ 485,ML Series, SAN(Netapp), Debian, BladeLogic, Veritas Cluster Server 5.0,6.0 Windows 2008/2010 server, AngularJS, Shell programming, 4.0,4.2,5.1,6.1,7.0 JDK 1.5,1.6, ESXi 5.1, 5.5, vSphere 5.1, 5.5, VMware Infrastructure 3.5.

Sr Linux Admin/Dev Ops Engineer

Confidential - Bridgeport, CT

Responsibilities:

• Deployed and configured software packages and utilities on more than 2000+ servers.
• Worked on variety of Linux platforms Red Hat Linux, Solaris which includes installation, configuring and maintenance of applications on this environment.
• Implemented rapid provisioning and life cycle management for Redhat LINUX using kickstart.
• Proficient in providing support on the deployed Red Hat Enterprise Linux & Sun Solaris servers from both operating system level and application Level.
• Expertise in configuring Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the Cluster Nodes utilizing clusters.
• Creating the automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system for all our products.
• Scripting in multiple languages on UNIX, LINUX and Windows - Batch, Shell script etc.
• Implementing new projects builds framework using Jenkins & maven as build framework tools.
• Leveraged Docker Engine to run Multiple Tomcat Instances as Containerized AppServers.
• Develop/extend Puppet modules for automating environment deployments and configuration management.
• Network traffic control, IPSec, Quos, VLAN, Proxy, Radius integration on Cisco Hardware via Red Hat Linux Software.
• Worked on solving issue related to LAMP stack web servers, both shared and VPS.
• Migration of data from physical data center to vCloud Air. Worked on virtual cloud director to debugging bug and created on NSX edge rules for firewall.
• Utilized Nessus software to run vulnerability scans on TCP & UDP Ports to ensure system security
• Integration of Maven/Nexus, Jenkins, RunDeck, Urban Code Deploy with Patterns/Release, Git, Confluence, JIRA and Cloud Foundry.
• Firmware upgrade, managing the servers, collecting Logs, open KVM console for troubleshooting.
• Building, deploying and configuring LAMP stack
• Installed, tested and deployed monitoring solutions with Splunk services.
• Integrate Splunk with AWS deployment using puppet to collect data from all database server systems into Splunk.
• Extensive experience working with Installation and Patch upgrade of Oracledatabase.
• Handleddatabaseactivities like Cloning, backup, managing tablespaces and user privileges and also monitoringdatabasegrowth on regular basis.
• Installation of local yum repository and package administration using yum and rpm
• Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Implementing a Continuous Delivery framework using Jenkins, Puppet, Maven& Nexus in Linux environment.
• Built new linux server from scratch on theLAMParchitecture. This architecture consisted of an SQL database (MariaDb), PHP 5.4, and an Apache.
• Operating on client cloud workloads, infrastructure, monitoring, OS maintenance/patching and application maintenance.
• AWS Cloud management and Puppet automation.
• Worked with installation, configuration, tuning, security, backup, recovery and upgrades of UNIX and Linux (Red Hat and Ubuntu).
• Created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
• Migrated applications to the AWS cloud.
• Created puppet manifests and modules to automate system operations.
• Repository management Integration of Maven, Jenkins, Urban Code Deploy with Patterns, Git, Confluence, Jira and Cloud Foundry.
• Using Jenkins AWS Code Deploy plugin to deploy AWS.
• Defining Release Process & Policy for projects early in SDLC.
• 3262Member of CCM representing changes for Release and environment configuration
• Responsible for Database build, release and configuration
• Responsible for nightly and weekly builds for different modules.
• Perform Deployment of Release to various QA & UAT in Linux environments.
• Configured Elastic Load Balancers with EC2 Auto scaling groups
• Implemented AWS solutions using E2C, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups,
• Optimized volumes and EC2 instances
• Configured S3 versioning and lifecycle policies to and backup files and archive files in Glacier
• Used IAM to create new accounts, roles and groups
• Work with different team members for automation of Release components.
• Resolved system issues and inconsistencies in coordination with quality assurance and engineering teams.
• Troubleshoot the build issue during the Jenkins build process.

Environment: GIT, JENKINS, PUPPET, MAVEN, AWS, EC2, WEBSPHERE, ANT, PUTTY, CONFLUENCE, Java, J2ee, SOA, Windows 2012 servers, Windows 2008, IIS 7.0 & 7.5.

Linux Administrator

Confidential

Responsibilities:

• Documented Process and Procedures using wiki by conducting review meetings.
• Installation, evaluation, implementation, automation, integration, analysis, maintenance, and problem resolution for enterprise system software, enterprise server hardware, and storage.
• Installation and configuration of REDHAT Enterprise Linux 5.5/6, Oracle Enterprise Linux 5/6, Cent OS 5/6, Sun Solaris 10, on both standalone and virtual environments.
• Create scripts to automate daily tasks like creating LAMP stack VPS's, chrooted sftp, ZFS backup scripts, VPS load testing, SSL installations, ecommerce search engine index replication, Apache-SOLR setup, Mysql replication.
• Standardized OS Installation Process by using cobbler which reduced Installation issues.
• Responsible for configuration and upgrades and interaction with development team to troubleshooting system errors & failures.
• Responsible for applying patches using Patch Center on Linux Servers.
• Help with new installation of Linux KVMs, ESXi, on Intel based equipment, installation of RedHat 4 and 5, Suse 8 and 9, both on VMware, configure the networking associated, and coordinate the required LUNs from the Storage Administrator.
• Provide second- and third-tier support for Apple Mac OS X servers / clients and Microsoft Windows Active Directory integration during weekly and monthly on-site visits
• Responsible for Installing vendor binaries and proprietary software, utilities, compilers, databases & licensing.
• Worked as a system administrator on Red Hat-Linux (4x, 5x & 6x), Ubuntu (6x, 7x, 8x, 9x & 10x), Linux (9x, 10x & 11x) and Windows Environment.
• Provided Tier 2 support to issues escalated from Technical Support team and interfaced with development teams, software vendors, or other Tier 2 teams to resolve issues.
• Networking and infrastructure monitoring, management and alerting tools.
• Configuration and administration of DNS, FTP, DHCP, LDAP, SAMBA and Sendmail servers.
• Worked on load balancers and other high availability solutions.
• Responsible for Storage management, NIS and NFS management.
• Responsible for maintaining incremental, weekly and monthly backups.
• Responsible for Application Deployment on Production, Test and QA Environments.
• Installation and configuration of Webserver (Apache 2.2.17), MySQL 5.5 and PHP in a LAMP stack.
• Deployed applications on RHEL 6 environment and resolved deployment issues on enterprise environment.
• Managed Information security Compliance activities, UNIX server security administration & Monitoring system Performance.
• Implementing new projects builds framework using Jenkins and maven as build framework tools and also Integrated Docker build as a part of Continuous Integration process and deployed local Docker registry server.
• Automate Configuration Management with CHEF. Familiarity with the principles and practice of system configuration management.
• Knowledge on Configuration Management tools like Puppet and Ansible.
• Designed, implemented, maintained and troubleshooting of High available critical applications running on Apache and Oracle database using Red Hat Cluster suite and Veritas Cluster.
• Management of Oracle 11g/12c databases, ASM Grid, Oracle 11g RAC.
• VMware vSphere 5.x Administration and Support.
• Maintenance of virtualization on KVM, XEN, VMware and on AWS.
• Migrated Physical Servers to the VM's on Hypervisor and cross platform migrations from Solaris and Linux.
• Manage and administer Linux LAMP environment
• Migrated intranet application, MySQL server to AWS.
• Responsible for the Data center, rack and stack3 in a 24x7 Environment.
• Checking and tuning Linux Kernel parameters and Solaris for better performance.
• Automation of regular administration tasks with the Shell Scripting.
• Job Scheduling through cron tab and auto sys.
• Supported PeopleSoft applications and other business Analytics applications.
• Worked with the SVN Repository in deploying applications to the environment.
• Performed tuning to increase the performance on deployed server.
• Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices etc.,

Environment: Solaris 9/10, RHEL 5.x,6.x, OEL 5/6 SUES 4.1, Sun T2000, M4K, M8K, T5140, T5240 Sun Firev890, Sun Firev440, Sun Firev490, HP-ProLiant, IBM Blade, VERITAS Volume Manager, VCS, SVM, VMware ESX.

Linux System Administrator

Confidential

Responsibilities:

• Responsible for day-to-day System Administration for Linux RedHat servers.
• Build the E450 and 6000 Servers with Solaris operating system.
• Storage setups, RAID, Logical Volume Manager, system backup design and disaster recovery.
• Systems performance monitoring.
• Solaris Operating Systems upgrade, package installations, updates, patches and software fixes.
• Responsible for troubleshooting end user and application problems.
• Veritas File system and Veritas Volume Manager.
• Creating User accounts, Mail account, groups, printer etc.
• Worked with installation, configuration, tuning, security, backup, recovery and upgrades of Linux (Red Hat, Ubuntu)
• Monitoring system resources, logs, disk usage, scheduling backups and restore.
• Set up Quotas for the user accounts & limiting the disk space usage.
• Creation/Configuration of Additional swap/ tmp dynamically as and when required.
• NFS Management - Take care of user accounts/groups, setting up of NFS Environment.
• Worked closely with database administration staff to ensure optimal performance of databases, and maintain development applications and databases.
• Assembling the systems and installing operating system and application software.
• Training for users to use the program.
• Setup and configuration ofHP rp7410 server along with HP Storage Works SAN.
• Set-up ofHP Storage Works EVA 5000 storage systems (2C2C-D)
• Worked with HP CEs in troubleshooting and replacing hardware inSuperdome servers
• Tuning UNIX Kernel Parameters using SAM and command line.
• Disk management using Logical VolumeManager (LVM) and online file system administration using HPJfs Online (Advanced VxFS) andVXVM, under production, development and test.
• Management of system back up and data archiving procedures for all business hosted on ourproduction and development servers using Legato Backup tool.
• Installation and day-to-day maintenance of Sun Solaris hardware and software.
• Installation and management of software applications licensed from third-party vendors, which run on the Sun Solaris, and Linux based servers.
• Performance tuning and management of all systems to deliver optimal performance.

Environment: RHEL 3.x,4.x,5.x, Solaris 10/9/8/2.x, IX 4.3, 5.1/5.3L,Sun E10K and E15K Servers, Sun Enterprise 6500/500/4500/450/ 420 R/250 Servers,, HP Ignite, HP Service Guard, V440, V490, V120, Sun Fire 25k, X4100, X4200, X4440 and X4500.