SUMMARY

• Around 8 years of professional IT experience as Cloud and DevOps Engineer which includes extensive and work experience in AWS environment, DevOps, Build and Release Management, Linux administration and Containerization.
• Worked in different environments such as Windows, Red Hat Enterprise Linux 4.x, 5.x, 6.x, 7.x, Debian, CentOS 4.x, 5.x, Suse, Oracle Enterprise Linux, Solaris 8,9,10 and VMware vSphere ESX/ ESXi environment. Also, involved in migrating Linux/ Windows servers to cloud (AWS) and testing.
• Experience on AWS platform and its scalability including EC2, AMI, VPC, S3, Route 53, ELB, EBS, SNS, RDS, IAM, Auto Scaling, CloudFront, CodeCommit, CloudWatch, CloudTrail, CloudFormation, ESS, EMR, Security groups.
• Have experience on Microsoft Azure cloud technology, Rackspace, Openstack, designing / establishing Cloud Infrastructure (PaaS, IaaS), RDBMS database systems, IoT Platforms.
• Expertise in automating, configuring, deploying and monitoring instances, volumes on cloud environments and data centers.
• As per the requirement configured AWS services - lS3,Auto Scaling, CloudWatch, Cloud Trial
• Defining and configuring CloudWatch alarms and triggers to implement auto scaling policies (expansion/contraction) for on demand resources.
• Created puppet manifests and modules to automate system operations. Created monitors, alarms and notifications for EC2 hosts using CloudWatch
• Expertise in installing, configuring and managing Linux (Ubuntu, CentOS, Red Hat, SUSE), Windows server.
• Worked with AWS tools like EC2, RDS, and Lambda to launch volumes in desired VPC.
• Managed user accounts in AWS cloud platform (IAM, RDS, Route 53, SES, SNS, SQS, SWF)
• Worked with IAM to create new accounts, users, roles and groups.
• Strong knowledge in system administration, Installation, upgrading patches, configuration, trouble shooting, security, backup, disaster recovery, performance monitoring and fine tuning on RedHat Linux systems.
• Use AWSCloudFormation scripts to orchestrate the end to end infrastructure for regulations.gov for disaster recovery, cost-saving and patching purposes
• Leverage years of application development experience and variousAWS services to create fast, secure and scalable architecture and perform DevOps automations on enterprise level applications
• Utilized AWS Lambda to run without using servers and to prompt to run code using S3 and SNS.
• Utilizing AWS Availability zones, redesigned infrastructure for higher availability.
• Created S3 buckets and involved in configuring S3 buckets versioning and maintaining policies by having backup of files and archive them using Glacier.
• Designed and implemented Puppet based configuration management system for all new Linux servers. Deploy Puppet to manage AWS EC2 Instances, Volumes, DNS, and S3.
• Mitigated AWS costs by writing the Ansible playbook for auto start / stop of AWS resources at particular time of the day by triggering it from Jenkins and knowledge on Ansible Playbooks, modules and roles.
• Utilized AWS CloudWatch to monitor instances, volumes and managed working with security groups.
• Moved our bare metal servers to the AWS cloud with the use of Terraform and Ansible
• Replaced the use of Cloudformation with Terraform to not be fully locked into a single cloud provider
• Streamlined installation ofOpenShift on partner cloud infrastructure such as AWS and Azure.
• Worked on different PAAS like OpenShift and AWS Elastic-Beanstalk
• Extensive experience on Jenkins, Build Forge and Docker for continuous integration and end to end automation for build and deploying.
• Expertise in build automation using Jenkins, Maven. Wrote build.xml, pom.xml scripts with build tools.
• Worked with Agile development team to develop continuous integration/continuous delivery in the delivery of product in an open source environment using tools such as Jenkins, Chef.
• Profusely worked on version control tools such as Subversion, GIT, ClearCase to track changes made by people in source code.
• Extensive experience with DevOps essential tools such as Chef, Puppet, Ansible, Docker, Subversion (SVN), GIT, Hudson, Jenkins, Ant, Maven and basic knowledge on other tools like MS Build, CMake.
• Worked on Docker and Vagrant in managing development environments through the creation of virtual containers.
• Created Docker container images by tagging and pushing the images and worked on the infrastructure using Docker containerization.
• Extensive experience on Jenkins, Build Forge and Docker for continuous integration and end to end automation for all build and deployments.
• Experience designing and deploying container-based production clusters using Docker (Kubernetes, Docker Swarm, and Apache Mesos).
• Worked with Amazon AWS/EC2, Docker based cluster managementenvironment Kubernetes.open
• Utilized Chef as Configuration Management tool for application deployment and for environment configuration.
• Experienced in branching, tagging and maintaining the version across the environments using SCM tools like GitHub, Subversion (SVN) on Linux and windows platforms.
• Setup TFS for version control, defect management, change management etc. Tracked software customization, defects and issues via TFS.
• Knowledge in maintaining Nexus (repositories) for maven artifacts and dependencies.
• Novice knowledge on Bug tracking tools like JIRA, Rally, HP Quality center, BMC Remedy.
• Implemented and administered monitoring tools like Nagios, Splunk, Zabbix and providing 24x7 on call support basis.
• Monitoring app servers using Elasticsearch, Logstash and Kibana (ELK) for debugging and logging.
• Develop, maintain and update various scripts for services (start, stop, restart, recycle, cron jobs) UNIX based Korn Shell, Bash and also experienced on Python, Ruby, Bash, Perl scripting on Linux.
• Experience in developing scalable, distributed and fault tolerant data pipelines for streaming systems as well as batch analytics systems using ApacheSpark, Hadoop tools and technologies like Flume, Kafka, Pig, MapReduce, Hive.
• Worked with Oracle Database Admin to store all the tables as assigned by developments in sync for each release.
• Build and maintained SQL Scripts and executed different scripts for different environments. Knowledge on NoSQL software like MongoDB, ElasticSearch.
• Experience on Mongo DB, Cassandra and various NoSQL databases like Hbase, Neon, and Redis etc.
• Knowledge on JMS/ messaging queue, network, security and virtualization.
• Expertise in full Software Development Life Cycle (SDLC), methodologies and validations to ensure QA control.
• Knowledge of utilizing routed protocols like FTP, SFTP, SSH, HTTP, HTTPS and configuring and maintaining network services such as DNS, NIS, DHCP, NFS, Web, mail, FTP, TCP/IP.
• Configuring and installing VMware, Virtual Box, Virtual center servers and VMware vCenter appliance.
• Worked with Dev, QA, UAT and PROD for several releases and also designed instance strategies and managed them.
• Experience with setting up Webservers and Application Servers Tomcat and IIS.
• Good client relation skills and ability to complete tasks effectively and efficiently where customer service and technical skills are required.

TECHNICAL SKILLS

Cloud Infrastructure: AWS, OpenStack (Novice Knowledge), Azure, Rackspace

Configuration Management Tools: Chef, Puppet, Docker, Ansible, Opswork

Continuous Integration Tools: Jenkins, Hudson, Bamboo, Travis

Build Tools: Maven, ANT, Gradle, Build Forge, CMake, MS Build

Versioning Tools: GIT, SubVersion, Bitbucket, ClearCase, TFS

Bug Tracking Tools: JIRA, Rally, HP Quality Center, ClearQuest, BMC Remedy, Confluence

Scripting: Shell, Python, Ruby, Perl, PHP

Logging and Monitoring Tools: Nagios, Splunk, ELK.

Virtualization Tools: VMware vSphere, Oracle VirtualBox, VMware Workstation

Programming Languages: C++, Java, .NET

Web/ App Server: WebLogic Application Server 9.x, 10.x, WebSphere6.x/7.x/8.x, Apache Tomcat5.x/7.x, AWS, JBOSS4.22.GA, JBOSS

Database: Oracle, SQL Server, MySQL, Postgres, Cassandra, Dynamo DB, MongoDB

Operating System: Windows, Mac OS, Linux, Unix, Ubuntu, CentOS, Solaris, SUSE, RHEL

Network Services: DNS, FTP, NFS, SSH, TCP/ IP, SNMP, WinSCP, HTTP, DHCP, NIS, Mail

Network Topologies: WAN, LAN, VPN, Firewalls

PROFESSIONAL EXPERIENCE

Confidential - Estero, FL

Sr. DevOps/Cloud Engineer

Responsibilities:

• Responsible for leading DevOps engineering, AWS architecture, continuous integration and deployments.
• Build expertise in Workflow for Amazon Web services including Security Groups, IAM, EC2, S3, ELB, EBS, Policy, VPC, Docker, Kubernetes, Cloud Formation,Chef, Jenkins Vagrant, Apache, Tomcat, Git and GitHub.
• Designing and deploying a multitude of applications utilizing almost all the AWS stack (Including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM) focusing on high-availability, fault tolerance, and auto scaling in AWS Cloud formation.
• Migrating a production infrastructure into an Amazon Web Services utilizing AWS Cloud Formation, Code Deploy, EBS and Ops Works.
• Build servers using AWS, importing volumes, launching EC2, RDS, creating security groups, auto-scaling, load balancers (ELBs) in the defined virtual private connection and Openstack to provision new machines for clients.
• Implemented rapid-provisioning and life-cycle management for Ubuntu Linux using Amazon EC2, Chef, and custom Ruby/Bash script.
• Designed and implemented Amazon GovCloud Monitoring like Lambda, CloudWatch, CloudTrail, Config
• Installed and managed Kubernetes applications using helm.
• Experience in creating Docker containers leveraging existing Linux Containers and AMI's in addition to creating Docker containers from scratch.
• Working on DevOps platform and have gained experience in specialized areas related to Chef for Cloud Automation
• Experience in automation of configuration of hosting environments including database administration and scaling an application and support load changes by using Ansible and Chef.
• Demonstrated on Ansible along with Ansible Tower can be used to automate different software development processes all over the team organization.
• Implemented and designed AWS virtual servers by Ansible roles to ensure deployment of web applications
• Using Ansible with AWS allowed me to reduce costs for the department and eliminate unwarranted resources.
• Built Jenkins jobs to create AWS infrastructure from GitHub repos containing Terraform code.
• Worked with Terraform to create AWS components like EC2, IAM, VPC, ELB, Security groups.
• Installed and configured configuration tool such as Chef Server/workstation and nodes via CLI tools to AWS nodes.
• Assisted customer in implementing DevOps strategies using Jenkins for automated deployment of builds to different environments and Build Forge as the automated engine.
• Involved in setting up the architecture of proposed environments with all the CI/CD tools.
• Built Continuous Integration and Continuous delivery environment in Jenkins.
• Built end to end CI/CD Pipelines in Jenkins to retrieve code, compile applications, perform tests and push build artifacts to Nexus.
• Used Jenkins to automate everyday builds, testing and deployed in artifactory and tomcat servers.
• Worked with build pipeline set up for Continuous Integration/Continuous Deployment using Jenkins Enterprise editions and uDeploy to orchestra changes across servers and components.
• Built scripts using ANT and MAVEN build tools in Jenkins to move from one environment to other environments.
• Classified and identify the configurations Items such as documents, Source Items, Support Items and Archive items
• Installed Subversion, Apache Tomcat Application servers on Unix Servers.
• Created Repository structure in the Subversion
• Maintained the Tags, Branching and merging the code in the parallel development of two phases and applied the vendor patches to the Trunk and all branches in Subversion Repository.
• Defined branching, labeling, and merge strategies for all applications in Git.
• Configured and managed source code using Git and resolved code merging conflicts in collaboration with application developers provided consistent environment
• Responsible for merging, tagging and conflict resolution in GIT
• Worked with Version control tools Subversion/Git Branching, Merge Strategies, migrated projects from Subversion repositories to GitHub Enterprise repositories through Team Foundation server (TFS).
• Experience in branching, tagging and maintaining the version control and source code management tools like GIT (GitHub/GitLab), SVN (subversion) on Linux and Windows platforms.
• Clustering the Docker containers with the help of Kubernetes on the OpenShift platform.
• Used Nagios as a monitoring tool to identify and resolve infrastructure problems before they affect critical processes and worked on Nagios Event handlers in case of automatic restart of failed applications and services.
• Skilled in monitoring servers using Nagios, Data dog, Cloud watch and using ELK Stack Elastic Search Logstash.
• Created Apache Directory Server for local network and Integrating RHEL instance with Active Directory in AWS VPC.
• Designed and Developed Java Objects based on Java Patterns and UML Specifications.
• Played a key role during analyzing, preparing technical and functional design specification documents as per the Requirements, Architecture, Development and Maintenance of high traffic application built in Java/J2EE.
• Configuring and Networking of Virtual Private Cloud (VPC) Written Cloud formation templates and deployed AWS resources using it.
• Managed internal deployments of monitoring and alarm services for the Azure Infrastructure.
• Code Quality Analysis techniques are performed by integrating Checkstyle, Find bugs, PMD with CI tools.
• Installed and Deployed Red Hat Enterprise Linux 6.x/7.x, CentOS and installation of packages and patches for Red Hat Linux Servers
• Working experience on LDAP, NIS, DHCP, TCP/IP, DNS.
• Extensive experience on Open stack, knowledge in Dynamite, AutoSys, JFrog, App dynamics, Zabbix monitoring Tool, Bitbucket, NoSQL like Redis.
• Extensive working experience in agile environment and have a Full understanding of SDLC and process

Environment: GIT, Jenkins, Chef, SVN, Ansible, Lambda, AWS EC2, AWS S3 and RDS, Beanstalk, AWS ELB, SQS, CloudWatch and Route 53, ELK, ANT, MAVEN, Shell(bash), TFS, uDeploy, Nagios, Apache Tomcat Application Server, Docker.

Confidential - Atlanta, GA

Sr. DevOps/AWS Engineer

Responsibilities:

• Responsible for maintaining 4-5 Different Testing/QA Environments and erection of the PROD Environment in AWS.
• Building massively scalable network-oriented software for the Elastic Load Balancing (ELB) service.
• Used EBS stores for persistent storage and performed access management using IAM service.
• Created monitors, alarms and notifications for EC2 hosts using CloudWatch.
• Strong Experience on AWS platform and its dimensions of scalability including VPC, EC2, ELB, S3, and EBS, ROUTE 53.
• Designed AWS CloudFormation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• Setup and build AWS infrastructure various resources, VPC EC2, S3, IAM, EBS, Security Groups, Auto Scaling, and RDS in CloudFormation JSON templates.
• Working in implementation team to build andengineerservers for Linux & AIX operating systems. Working on AWS & Openstack cloud to provision new instances. S3 Storage Services. AWS EC2 & Cloud watch services. CI/CD pipeline management through Jenkins.
• Used CloudFront to deliver content from AWS edge locations to users, allowing for further reduction of load on front-end servers and created the AWS Security groups to enable firewall.
• Used AWS BeanStalk for deploying and scaling web applications and services developed with Java.
• Automated AWS volumes snapshot backups for enterprise using Lambda. Created functions and assigned roles in AWS Lambda to run python scripts.
• Administration and maintenance of Docker runtime environment, Versioning and lifecycle management of Docker Images, Experienced in Docker orchestration framework.
• Exposure to Mesos Marathon & Zookeeper cluster environment for application deployments and Docker Containers.
• Used Google Kubernetes to provide a platform for automating deployment, scaling, and operations of application containers across clusters of hosts. Worked closely with development teams and performance test engineers for EC2 size optimization and Docker build containers.
• Use Puppet Automation tool for configuration management in different systems.
• Installed/Configured/Managed Puppet Master/Agent. Wrote custom Modules and Manifests, downloaded pre-written modules from puppet-forge. Upgradation or Migration of Puppet Community and Enterprise.
• Created and updated Puppet manifests and modules, files, and packages stored in the GIT repository.
• Using puppet for automation of application such as Tomcat, Apache and WebLogic.
• Experience in writingAnsibleplaybooks, defining roles and using Handlers.
• Worked withAnsibleplaybooks for orchestration, provisioning, configuration management and application development of LAMP stack.
• Customized Ansible role for automated deployments of the Dynatrace Java Agent for Glassfish
• Done installation, configuration and maintained the CI/CD tools Jenkins andAnsible.
• Implement monitoring solutions (Nagios, Zabbix) to monitor health of systems and generate proactive alerts for systems entering a degraded state.
• Hands on experience in monitoring EC2 instances using Nagios and configured Nagios to monitor EC2 Linux instances with puppet automation.
• Used Puppet to deploy ELK for automating continuous deployment (CD) and configured Slave Nodes and deployment failure reporting.
• Manage deployment automation using Puppet, Roles, Profiles, MCollective, Hiera, and Custom Puppet modules, Ruby and did provisioning & configuring local Vagrant machines for developers with puppet.
• Designing and implementing CI (Continuous Integration)system: configuring Jenkins servers, Jenkins nodes, creating required scripts (Perl & Python), and creating/configuring VMs (Windows/Linux).
• Enabling GitHub Web Hook for polling SCM and GitHub pull request plugins and Jenkins Web Hook plugin configuration.
• Deployed Java applications to Application servers in an agile continuous integration environment and automated the whole process. Build scripts using ANT and MAVEN build tools in Jenkins, Sonar to move from one environment to another environment.
• Experience in using Nagios for monitoring the infrastructure and improving the performance of servers.
• Querying and reporting from Elastic Search/Kibana, Splunk and MySQL.
• Worked on JIRA installation and upgrade and Performed JIRA configuration.

Environment: AWS (EC2, VPC, ELB, S3, RDS, Cloud watch and Route 53), GIT, Maven, Ant, Jenkins, Puppet, Docker, Nagios, ELK, Splunk, Jira, Unix/Linux, Shell scripting, Ruby.

Confidential - Wilmington, DE

DevOps/Cloud Engineer

Responsibilities:

• Plan, deploy, monitor, and maintain Amazon AWS cloud infrastructure consisting of multiple EC2 nodes and VMWare VM's as required in the environment.
• Installed and configured AWS GovCloud services like EC2, S3, RDS, ELB, and EBS.
• Designed and implemented Amazon GovCloud Monitoring like Lambda, CloudWatch, CloudTrail, and Config.
• Involved in automating the infrastructure using Docker and Chef.
• Environment provisioning solutions using Docker, Vagrant, RedHat and development on scalable Linux deployments on AWS via CoreOS and Docker.
• Created branches and managed the source code for various applications in GIT.
• Created various ANT and Maven scripts to create multiple deployment profiles and deploy the applications to Apache Tomcat.
• Setup various Jenkins jobs for build and test automation.
• Designed project workflows and pipelines using Jenkins as CI tool.
• Implemented a CD pipeline involving Jenkins & GIT to complete the automation from commit to deployment.
• Installing, configuring and administering Jenkins CI tool on Linux machines.
• Implemented the setup for Master slave architecture to improve the Performance of Jenkins.
• Integration of Automated Build with Deployment Pipeline. Installed Chef Server and clients to pick up the Build from Jenkins repository and deploy in target environments.
• Implemented Infrastructure automation through Chef for auto provisioning, code deployments, software installation and configuration updates.
• Used Chef as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Implied in testing cookbooks on different platforms using Chef Kitchen.
• Hands-On knowledge with the Chef DK for storing cookbooks and in documenting the pattern and use of Delivery CLI to automate the adeptness in Chef, and maintaining and accessing the infrastructure through Chef Compliance and Inspect the node to test the infrastructure by specifying the policies to follow.
• Developed cloud reference architecture, governance policies, Security models and best practice.
• Written pre-and post-commit hook scripts to accommodate various development requests.
• Experience on App Dynamics Installed and setup, Controller agent. And HA Controller monitoring all the applications.
• Involved in Design Documentation for App dynamics.
• Used Node.js for server-side code and Express.js as the framework. Written callback functions for the RESTful API.
• Wrote modules for configuration management including module for Zabbix. The module installs agent, puts in the configuration file (zabbixagent. conf) and maintains the Zabbix service in the running state.
• Used resources types like file, package, exec extensively for the modules and involved in editing, creating and fine-tuning modules.
• Implemented zero downtime deployment process in WebLogic using python and shell script and automated it using Jenkins.

Environment: Git, Ant, Maven, Jenkins, Chef, Docker, YAML, App Dynamics, Node.js, Rest Services, Zabbix, Lambda, Cloud Watch, Cloud Trail, Config, EC2, S3, RDS, ELB, EBS, Vagrant, Redhat, Amazon GovCloud, Apache Tomcat

Confidential - Phoenix, AZ

DevOps Engineer

Responsibilities:

• Installed and Deployed Red Hat Enterprise Linux 6.5, CentOS and installation of packages and patches for Red Hat Linux Servers.
• Involved in troubleshooting of Red Hat Linux server issues and hardware issues and replacements.
• Manage Code Repository by maintaining code in GIT, improve practices of branching and code merge to Custom needs of development team.
• Performed deployment Automation using multiple tools such as Jenkins, Chef and Git.
• Modified existing Maven files in case of errors or changes in project requirements.
• Implemented Maven script based jobs in Jenkins and Worked with Jenkins Pipelines.
• Managed Maven project dependencies by creating parent-child relationships between projects.
• Configured Jenkins to implement nightly builds on daily basis and generated change log that includes changes happened from last 24 hours.
• Configured various jobs in Jenkins for deployment of Java based applications and running test suites.
• Installed Jenkins and perform troubleshooting during installation to implement the CI process for the Java Application builds
• Developed entire frontend and backend modules using Python on Django Web Framework.
• Automated the deployment process by writing Python scripts in Jenkins.
• Responsible for Plugin-Management in Jenkins according to requirement Upgrading and Degrading Plugin Versions.
• Automated deployments using Chef Configuration management tool.
• Worked on different production environments consisting of Cassandra DB installations, WebLogic domains and middleware installations using Chef Cookbooks in Ruby.
• Used Chef for helping developers in deploying a centralized log management system.
• Installed and configured an automated tool Puppet that included the installation and configuration of the Puppet master, agent nodes and an admin control workstation.
• Developed configuration hire data, node classifications, external node classifiers and parameterization for Puppet modules.
• Troubleshooting, event inspection and reporting of various Puppet issues and starting/restarting of puppet Enterprise services.
• Responsible for managing Cron jobs on production servers.
• Integration implementation of Jenkins, uDeploy and JIRA for DevOps automation.

Environment: GIT, Maven, Jenkins, Puppet, chef, Jira, uDeploy, CassandraDB, WebLogic, Ruby, NexusRedHat, CentOS, Linux.

Confidential

Build and Release Engnineer

Responsibilities:

• Build Release Engineer for 3 project teams that involved different development teams and multiple simultaneous software releases.
• Imported and managed multiple corporate applications into Subversion (SVN).
• Provided end-user training for all Subversion (SVN) users to effectively use the tool.
• Implemented a GIT mirror for SVN repository, which enables users to use both SVN and GIT.
• Integrated GIT into Jenkins to automate the code check-out process.
• Developedbuildand Tuning of kernel parameters deployment scripts using ANT, and MAVEN asbuildtools in Jenkins to move from one environment to other environments.
• Involved in editing the existing ANT files in case of errors or changes in the project requirements.
• Setting up Code Coverage reports tool like SONAR to help in managing the quality of source code.
• Perform periodic system audits on all environments to ensure that only controlled versions of software reside all environments.
• Responsible for the development and maintenance of processes and associated scripts/tools for automatedbuild, testing and deployment of the products to various developments.
• Used Chef to automate Configuration management.
• Used Chef to manage Web Applications, Configuring Files, Data Base, Commands, Users.
• Highly motivated and committed DevOpsEngineerexperienced in Automating, Configuring and deploying instances on AWS, cloud environments and Data centers, also familiar with EC2, Cloud watch, Code Deploy, Code Commit, Code Pipeline Elastic Search and managing security groups on AWS.
• Managed Maven project dependencies by creating parent-child relationships between projects.
• Jenkins is used as a continuous integration tool for automation of daily process.
• Managed Dependency Management within the teams by installing and configuring Nexus Repository Manager.
• Used JIRA to track issues and Change Management.
• Integrated JIRA with SVN and created automatedreleaseNotes using Perl Scripts.

Environment: SUBVERSION (SVN), GIT, JENKINS, ANT, MAVEN, SHELL SCRIPTS, XML, MACOS, UNIX, JIRA, CHEF, AWS, RUBY.

Confidential

Linux Administrator

Responsibilities:

• Installation, configuration and administration of Red HatLinuxservers and support for Servers.
• Installation, maintenance and regular upgrades of Red HatLinuxServers using kickstart based network installation
• Provided 24x7 System Administration support for Red HatLinux3.x, 4.xservers and resolved trouble tickets on shift rotation basis.
• Provide the support of building the server, patching, user administration tasks, deployment, software installation, performance tuning and troubleshooting and KVM.
• Managing Compaq andLinuxworkstations and servers.
• Installation of patches and other software packages
• Monitoring system performance, tune-up kernel parameter, adding /removing /administering hosts, users, disks on DNS / NIS domain,
• Configuration of Hardware and Software RAID on Digital & Sun Servers
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
• Administrative tasks such as System Startup/shutdown, Backup strategy, Printing, Documentation, User Management, Security, Network management, dumb terminals and devices carried out.
• Installation and configuration of Oracle 7.x/8.x.
• Implemented NFS, DNS and NIS under SUN.
• Performed the administration of the Domain Name Server and configuration of the Database Files.
• Wrote bash shell scripts for getting information about variousLinuxservers
• Installed and Configured Send mail Utility on Sun UNIX Servers.
• Administering NFS Mounts.
• Troubleshooting Backup and Restore problems Creation of LVMs on SAN usingLinuxutilities
• Monitored overall system performance, performed user management, system updates and disk & storage management
• Performed OS upgrades and Patch loading as and when required.
• Backing up and restoring files across the network
• Wrote Technical documentation for various projects and worked with Technical writer to finalize the documents.

Environment: Red HatLinux4.1,4.2,4.3,4.4, SunFire 4500/ V880 / V480/ E420R/ E450/ E250, Sun StorEdge L280, Sun StorEdge A1000, A5000, JBODs Compaq servers, Solstice Disk Suite, Oracle 7.x/8.x