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Manager Engineer

Location:
Saint Charles, Missouri, United States
Posted:
August 24, 2018

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Resume:

Sowjanya

ac6spt@r.postjobfree.com

573-***-****

Professional Summary:

Versatile Cloud/DevOps Engineer with around 7 years of experience in System Administration, Linux Administration and Automation tools. Seeking to leverage Continuous Build and Release Management, Configuration Management, Software Development Life Cycle (SDLC), Cloud provisioning. Passionate Computer Professional with good communication and leadership skills.

Exposed to all aspects of software development lifecycle (SDLC) such as Analysis, Planning, Developing and Testing. Expertise in Agile- Scrum and Waterfall Methodologies.

Well Adverse with the principles and best practices of Software Configuration Management (SCM) processes, which include compiling, packaging, deploying and Application configurations.

Expertise in DevOps, Release Engineering, Configuration Management, Cloud Infrastructure Automation includes Amazon Web Services (AWS), Ant, Maven, Jenkins, Chef, SVN, Git, GitHub, Docker, Terraform and Kuburnetes.

Created AWS cloud formation templates to create customized VPC, subnets, EC2 instances, ELB, security groups. Worked on tagging standard for proper identification and ownership of EC2 instances and other AWS Services like Cloud Front, cloudwatch, RDS, Route53, SNS, SQS, Cloud Trail.

Extensive work on automation of provisioning of CI infrastructure on AWS using TERRAFORM and PACKER.

Designed and configured Azure Virtual Networks, subnets, Azure network settings, DHCP address blocks, DNS settings, security policies and routing.

Implemented hybrid connectivity between Azure Cloud and on-premise using virtual networks and VPN.

Used Google Cloud Platform (GCP) Services Like Compute Engine, Cloud Functions, CloudDNS, Cloud Storage and Cloud Deployment Manager and SaaS, PaaS and IaaS concepts of Cloud computing architecture and Implementation using GCP.

Used Google Cloud Platform (GCP) to build, test and deploy applications on Google's very adaptable and solid framework for the web, portable, and backend arrangements.

Responsible for performing tasks like Branching, Tagging, and Release Activities on Version Control Tools: SVN, GIT and migrated SVN into GIT.

Responsible for design and maintenance of the Git Stash Repositories, views and the access. Used automated code check-outs in Git.

Expertise in build tools like MAVEN and ANT for building J2EE/Java application artifacts and deploying it on multiple environments such as DEV, QA, UAT and PROD.

Extensively worked with automation tools like Jenkins, Hudson to implement the End to End Automation.

Built Jenkins pipeline to drive all microservices builds out to the Docker registry and then deployed to Kubernetes, created pods and managed using Kubernetes, established Jenkins Master&Slave architecture for reducing traffic of web requests.

Experience in Configuration Management, Change/Release/Build Management, Support and Maintenance under Unix/Linux Platforms.

Deployed and configured Chef Server and Chef Solo including bootstrapping of chef client nodes for provisioning Created roles, cookbooks, recipes, and data bags for server configuration, deployment, and app stack build outs.

Debugging Chef Recipes and their execution trying to pull logs into Splunk and monitor deployments.

Written Chef Cookbooks and recipes in Ruby to Provision several pre-prod environments consisting of Cassandra DB installations, Weblogic domain creations and several proprietary middleware installations.

Wrote several Ansible playbooks for the automation that was defined through tasks using YAML format run Ansible Scripts to provision Dev Servers. Used Ansible, Ansible Tower as Configuration management tool.

Defined and set up service level KPI's for build and CI infrastructure on Splunk, Monitored Applications and Servers through Nagios, Web Servers Administration on Nginx.

Installed, configured and managed the ELK (Elastic Search, Log Facilitated Scrum ceremonies like Sprint planning, retrospectives, Daily stand-ups, etc. LogStash and Kibana) for Log management within EC2/ Elastic Load balancer (ELB) for Elastic search.

Virtualized the servers using the Docker for the test environments and dev-environments using Docker containers.

Maintained and developed Docker images for a tech stack including Cassandra, Kafka and several in house written Java services running in AWS on Kubernetes.

Managed Clusters using Kubernetes and worked on creating many pods, replication controllers, services, deployments, labels, health checks.

Used Calico Project for defining how Istio’s application layer policies interact with the network-layer policies and Kubernetes Network Policy API.

Hands on experience with using Istio which is an open source project that provides a uniform way to connect, secure, manage and monitor microservices.

Application and System logs using Python and PowerShell for all applications to proactively monitor and trace errors with automated email alerts to various teams. Installed WebSphere products using shell scripts.

Developed automation scripting in Python using Puppet to deploy and manage Java applications across Linux servers. Implemented Shell and Python scripts for release and build automation.

Expertise in improving build & deployment tools in DevOps through automation using scripting languages such as JavaScript, Shell, Bash, Perl, JSON, Ruby, Groovy and Python etc.

Extensive experience in deployment of Java/J2EE applications on JBoss, WebLogic and WebSphere application servers.

Managed environments like DEV, QA, Stage and PROD for various releases and provided 24*7 system maintenance support.

Experienced in Trouble shooting, Backup and Recovery, Proficiency in multiple databases like MongoDB, MySQL, PostgresSQL and ORACLE.

Experience in Virtualization technologies VMWare, Virtual box, Vagrant for creating virtual machines and provisioning environments.

Configure Linux Redhat servers with Kickstart, LDAP, DNS, and DHCP and connect to Network. Integration of Windows Active Directory with Linux/Unix Servers.

Technical Skills

Operating systems

Linux : RHEL4.x/5.x/6.x/7, CentOS5.x/6.x/7&Ubuntu12.x, 14.x, Debian,

Windows2008/2012.

Cloud Providers

AWS, Azure, OpenStack, GCP.

Configuration Management Tools

Chef, Ansible, Puppet, Saltatack.

Scripting & Programming languages

Shell scripting, Unix Bourne shell, Korn shell, python, Ruby, Groovy, Perl, java, C, C++.

Web Servers

Apache2.0/2.2/2.4, Apache Tomcat5.5/6.0/7.0.

Application Servers

WebLogic, JBoss, Web Sphere.

Monitoring Tools

ELK (Elasticsearch Logstash Kibana), Dynatrace, Splunk, New Relic, Nagios, AWS Cloud Watch, Zabbix, Data Dog, App Dynamics.

Source code Management Tools

GIT, GitHub, Bitbucket, SVN.

Build Tools & Artifactory Tools

Maven, ANT, Gradle, Nexus, Jfrog.

CI/CD Tools

Jenkins, Bamboo, TeamCity, Hudson, Octopus.

Containerization Tools

Docker, Kubernetes, Mesos, Openshift, Istio, Calico.

Network Services

TCP/IP, Subnetting, DNS, NFS, NIS, SSH, DHCP.

Databases

Oracle, DB2, SQL Server, MySQL, NoSQL (MongoDB, DynamoDB, Cassandra).

Bug Tracking Tools

JIRA, Bugzilla, Remedy, HP Quality Center, IBM Clear Quest.

Certification

AWS Certified Developer – Associate Level

Professional Experience

Client: Cummins, Indiana Oct 2017 -Present

Role: Sr. DevOps & AWS Cloud Engineer

Responsibilities:

Implemented AWS solutions using EC2, S3, RDS, EBS, and Elastic Load Balancer, Auto scaling groups, Optimized volumes and EC2 instances.

Created alarms using Cloudwatch for monitoring CPU, memory, disk space etc., maintaining SES, SQS, SNS, IAM roles, S3 buckets for backups. Launching Amazon EC2 Cloud Instances using Amazon Web Services (Linux/ Ubuntu/RHEL) and Configuring launched instances with respect to specific applications.

Designed AWS Cloud Formation templates to create customized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.

Installed configured and Administrated of all LINUX servers on Amazon Web Services (AWS), includes the design and selection of relevant hardware to Support the installation/upgrades of Red Hat, CentOS operating systems.

Experience in Designing, Architecting and implementing scalable cloud based web applications using AWS and GCP.

Set up Auto Scaling of the instance group using GCP CLI (Command line tools) and GCP cloud environments for DEV/QA environments.

Implemented GCP services focusing on scaling and automation of infrastructure by creating secured subnets using GCP cloud deployment manager to balance unexpected load on servers.

Integrated GIT with Jenkins using the GitHub plugin to automate the process of source code check-out by providing the URL and credentials of the GIT repository.

Worked on GIT and SVN for Source-code management to allow the Developers to do Code-Review and verifying the source code before submitting.

Involved in sourcecode management with Github and Bitbucket Enterprise level repositories. Regular activities include configure users access levels, monitor logs, identifying merge conflicts and managing master repository.

Working closely with web adminstrators to setup an automated deployment for sharepoint applications using SVN and GIT.

Developed build and deployment scripts using MAVEN as build tool and automated the build and deploy process using Jenkins to move from one environment to other environments.

Expertise in using build tools like MAVEN, GRADLE and ANT for the building of deployable Artifacts such as War & Ear from Source Code. Managed the Artifacts generated by MAVEN in the Nexus Repository.

Used ANT and MAVEN as a build tools on java projects for the development of build artifacts on the source code.

Maintained build related scripts developed in shell for Maven builds. Created and modified build configuration files including POM.xml.

Managed the Maven Repository using JFROG tool to automate the build process and used the same to share the snapshots and releases of internal projects.

Configured and maintained Jenkins to implement the CI process and integrated the tool with Maven to schedule the builds.

Used Jenkins, Build forge for Continuous Integration and deployment into Tomcat Application Server.

Integrated Jenkins with Docker container using CloudBees Docker pipeline plugin to drive all microservices builds out to the Docker Registry and then deployed to Kubernetes.

Integrated Maven plugin with Jenkins and configured pipeline job to invoke maven top-level goals such as

Compile, test, package, deploy, install and clean.

Worked on many different concepts of Chef like Roles, Environments, Data Bags, Knife, and Chef Server Admin/Organizations. Written Chef Recipes to automate deployment process and data bags in Chef for better environment management and test kitchen to validate cookbooks.

Worked with Chef Ohai plugin, chef handlers, push jobs and exposure to chef supermarket to leverage the existing cookbooks for quick automation of general deployment and Infrastructure tasks.

Written ChefCookbooks, recipes using Ruby to automate the installation of Middleware Infrastructure like ApacheTomcat, JDK, and configuration tasks for new environments.

Worked with Jenkins under the CI/CD pipeline providing continuous improvement to agile software development teams. Configured Jenkins and integrated it with Chef to schedule jobs on all the bootstrapped nodes.

Automated the monthly patching process using chef recipes. Participated in on-call rotation. Managed a Github server, and a Sonar type nexus server.

Create Chef Automation tools and builds, and do an overall process improvement to any manual processes.

Written Chef Cookbooks for various DB configurations to modularize and optimize end product configuration.

Managed Playbooks and written in YAML for Resource Declaration with Ansible and Python for Automated Agentless Configuration Management.

Bootstrapped Nodes, managed on site OS, Applications, Services, and Packages using Ansible as well as AWS for EC2, S3&ELB with Ansible Playbooks.

Written Ansible Playbooks to Provision several pre-prod environments consisting of Part of a team tasked with creating cloud-based CI/CD pipeline.

Wrote Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations of AWS Nodes and Test Playbooks on AWS instances using Python. Run Ansible Scripts to provision Development servers.

Creating inventory, job templates and scheduling jobs using Ansible Tower. Downloaded and managed Ansible roles from Ansible Galaxy to automate the infrastructure.

Container management using Docker by writing Docker files and set up the automated build on Docker HUB and installed, configured Kubernetes. Deploying cluster on AWS with Jenkins, Docker pipeline implementation.

Build Jenkins pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes.

Created several pods using Master and Minion architecture of Kubernetes, this includes various DevSecOps technologies, such as software-defined-networking policies using Calico, HashicorpVault for secret management,

static-analysis tools like CoreOS's Clair, strict container image hardening, and Istio for network traffic policing on the application layer.

Replaced Splunk logging and analytics with an automated ELK cluster, increasing data capture capacity and reducing costs. System log and Cloud Trail collection using Splunk including Splunk installation, collector configuration and multi indexer setup on Production Environment.

Responsible for Continuous Integration and Continuous Delivery process implementation using Jenkins along with Python and Shell scripts to automate routine jobs.

Installed and used monitoring tool like Nagios, Configured, and Managed Monitoring Tools such as Nagios for Resource Monitoring/Network Monitoring/Log Trace Monitoring. Monitoring focal utilizing Nagios.

Working experience of deployment of Java applications through WebLogic/WebSphere Application servers. And build tools like Gradle.

Written Terraform templates, Chef cookbooks pushed them onto Chef for configuring EC2 Instances and Solved Gateway time issue on ELB and moved all the logs to S3 Bucket by using Terraform.

Experienced in using Terraform to Automated Infrastructure and to deploy applications from artifactory to AWS.

Environment: AWS, GIT, Maven, Jenkins, Jfrog, Chef, Ansible, Core java, Python, Docker, Kubernetes, Nagios, Terraform.

Client: UMUC, College park, Maryland Jan 2017-Sep 2017

Role: DevOps & Cloud Engineer

Responsibilities

Major duties were to plan, develop and assist the migration of client's on-premise infrastructure to Microsoft Cloud (Azure). Design and implement hybrid on premise and cloud migration and management strategy for the new hybrid cloud solution in single and multiple site data centers.

Created Azure Automation Assets, Graphical Run books, PowerShell run books that will automate specific tasks, deployed Azure AD Connect, configuring ADFS authentication flow, ADFS installation using Azure AD Connect.

Deployed Azure IaaS (VM’s) and PaaS role instances (Cloud services) into secure VNets with Azure Internal Load Balancers, subnets and created several SQL scripts as part of bug fixes to provide immediate solutions for some of the issues also created Azure PowerShell script for backup and restore operations for API Management.

Implemented high availability with Azure Classic and Azure Resource Manager deployment models.

Designed Network Security Groups (NSGs) to control inbound and outbound access to network interfaces (NICs), VMs and subnets.

Migrated on-premises to Windows Azure and build Azure Disaster Recovery Environment and Azure backups from the scratch using PowerShell script.

Created and deployed VMs on the Microsoft cloud service Azure, created and managed the virtual networks to connect all the servers and designed ARM templates for Azure platform.

Worked on Server less services (Azure Functions) created and configured HTTP Triggers in the Azure Functions with Application insights for monitoring and performing load testing on the Application's using the VSTS.

Created scripts that automate or improve the builds for all client-side platforms – iOS, Android, Windows, and Mac using Git and Jenkins, among other tools.

Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain, SVN/GIT with Test/Prod Branching Model for weekly releases.

Configured GIT with Jenkins and schedule jobs using POLLSCM option and integrated to automate the code checkout process. Wrote JUnit test cases for unit, integration, and functional tests, run automatically by Jenkins in the builds triggered by each push to GIT.

Implemented a Continuous Integration and Continuous Delivery (CI/CD) pipeline with Docker, Jenkins, GitHub and Azure Container Service. Whenever a new GitHub branch gets started, Jenkins, our Continuous Integration (CI) server, automatically attempts to build a new Docker container from it, The Docker container leverages Linux containers and has the Azure Container baked in. Converted our staging and Production environment from a handful of Azure Nodes to a single bare metal host running Docker.

Expertise in using build tools like MAVEN and ANT for the building of deployable artifacts such as jar, war and ear from source code. Created Local, Virtual Repositories in Artifactory for the project and release builds, and managed the repository manager like Nexus for the Maven builds.

Integrated Maven plugin with Jenkins and configured pipeline job to invoke maven top-level goals such as compile, test, and package, deploy, install and clean.

Configured POM.XML file to manage Maven plugin such as Maven build plugin and Maven reporting plugin and resolve Maven dependencies required for the project.

Worked with Jenkins under the CI/CD pipeline providing continuous improvement to agile software development teams. Configured Jenkins and integrated it with Chef to schedule jobs on all the bootstrapped nodes.

Automated the monthly patching process using chef recipes. Participated in on-call rotation. Managed a Github server, and a Sonatype nexus server.

Worked with Chef recipes/cookbooks which involved installing, updating CentOS, controlling load balancers, updating LDAP servers and many more etc.

Worked on Chef Automation including writing Cookbooks and customized recipes for test driven development environments.

Writing json templates for cloud formation and ruby scripts for chef automation and contributing to our repository on GitHub.

Developed a Power Shell script to automate Active Directory and server tasks and Generate reports for administrators and management.

Used JIRA tool to create and update stories and also for tracking project status.

Involved in setting up JIRA as defect tracking system and configured various workflows, customizations and plugin for the JIRA bug/issue tracker.

Written Templates for AZURE infrastructure as a code using Terraform to build staging and production environments.

Defined Terraform modules such as Compute, Network, Operations, and Users to reuse in different environments.

Container management using Docker by writing Docker files and set up the automated build on Docker HUB and installed and configured Kubernetes.

Experience in working with cluster management and orchestration features embedded in Docker Engine which is built using Swarm Kit and worked on creation of custom Docker container images, tagging, pushing the images and Dockers consoles for managing the application of lifecycle.

Extensively used Docker/Kubernetes for containerization, virtualization, Ship, Run and Deploy the application securely to fasten Build/Release Engineering.

Environment: Microsoft Azure, Git, Maven, Jenkins, Nexus, Chef, Puppet, Docker, Kubernetes, Terraform.

Client: AFour Technologies Pvt. Ltd - Pune, Maharashtra Feb 2016-Oct 2016

Role: DevOps Engineer

Responsibilities

Cloud watch monitoring of EC2 instances on CPU utilization, disk space and custom metrics and provided alerts to developers.

Integrated AWS DynamoDB using AWS lambda to store the values of items and backup the Dynamo DB streams.

Experienced in AWS Elastic Beanstalk for app deployments and worked on AWS lambda.

Creating AMI Images and Cloud formation scripts to deploy instances and snapshots of EC2 instance, S3 backups are done on a regular basis. S3 backups are backed up as Glaciers when the data is not in usage.

Performed S3 buckets creation, policies and on the IAM role based polices and customizing the JSON template and Glacier for storage and backup on AWS.

Create automation and deployment templates for relational and NoSQL databases including MySQL, Cassandra and MongoDB in AWS. Managing Cluster nodes for Physical issues and escalating issues to respective vendors.

Created featured develop release branches in GIT for different application to support releases and CI builds.

Experience in Branching, Merging, Tagging and maintaining the version across the environments using SCM tools like GIT, Bitbucket and Subversion (SVN) on windows and Linux platforms.

Experience in Administering GIT in Distributed Environments, maintained and administered GIT source code tool.

Automated Weekly releases with ANT/Maven scripting for Compiling Java Code, Debugging and Placing Builds into Maven Repository.

Involved in Shell and Perl scripts for compilation and deployment processes and automation of builds and PowerShell for Windows deployment and Administration Extensively used MAVEN tool to do the builds, integrated MAVEN to Eclipse and did local builds.

Jenkins administration to user access credentials, deployment email notification configuration for new users and using matrix plugin to manage Jenkins.

Developed Groovy scripts for java application deployment by using Jenkins.

Implemented Infrastructure automation through Ansible for auto provisioning, code deployments, software installation and configuration updates.

Developed Ansible scripts for an automated server provisioning and Docker images for isolation, reducing the time between provisioning and deployment.

Experience in Using Ansible and Ansible Tower as Configuration management tools, to automate repetitive tasks, quickly deploys critical applications, and proactively manage changes and in managing Ansible Playbooks with Ansible roles, group variables, inventory files copy and remove files on remote systems using file module.

Implemented Infrastructure automation through Ansible for auto provisioning, code deployments, software installation and configuration updates.

Written Chef Cookbooks and recipes in Ruby to Provision several pre-prod environments consisting of Cassandra DB installations, WebLogic domain creations and several proprietary middleware installations.

Tested Chef Cookbook modifications on cloud instances in AWS, using test Kitchen and utilized Ohai to collect attributes on the node.

Involved in replacing existing manual deployment and management processes with AWS Ops Works which uses CHEF to automate how servers are configured, deployed, and managed across AWS EC2 instances.

Writing Json templates for cloud formation and ruby scripts for chef automation and contributing to our repository on GitHub (sub version control).

Virtualized the servers on AWS using the Docker, create the Docker files and version control to achieve Continuous Delivery goal on high scalable environment, used Docker coupled with load-balancing tool Nginx.

Used Docker containers to maintain the gap between development & operations for security purposes.

Used Docker to showcase the build micro services to modularize design and isolate the development of containers.

Excellent working knowledge in configuring multiple WebLogic domains including machines, manage servers and cluster environments Extensively worked on Hudson, Jenkins, Bamboo, Build Forge for continuous integration (CI) and for End-to-End automation for all build and deployments.

Configuring various jobs in Jenkins & Hudson for deployment of Java based applications and running test suites.

Installed and configured Hudson/ Jenkins for Automating Deployments and providing an automation solution.

Environment: AWS, GIT, Maven, Jenkins, Nexus, Chef, Ansible, Docker, Kubernetes.

Client: ACE Infotech, Bangalore, Karnataka April 2014-Jan 2016

Role: Build & Release Engineer

Responsibilities

As member of Release Engineering group, redefined processes and implemented tools for software builds, patch creation, source control, and release tracking and reporting, on UNIX platform.

Setting up the build and deployment automation for Java base project by using Jenkins and Maven.

Responsible for creating and deploying builds on various WebLogic environments, testing in build environment and release to test team on scheduled time.

Creating builds using power shell Scripts, ANT/Maven scripts manually and automated.

Troubleshooting deployment and installation issues.

Automated the Build Process using Jenkins.

Maintained necessary back-up of the important files and documented Linux scripts for future reference

SVN administration like give access for branches and SVN repositories.

Creating SVN repositories and give access rights to the authorized developers.

Maintained and administered GIT source code tool.

Created Branches, Labels and performed Merges in Stash and GIT.

Installed and configured Jenkins for Automating Deployments and providing an automation solution.

Integrated GIT into Jenkins to automate the code check-out process.

Used Jenkins for automating Builds and Automating Deployments.

Managed build results in Jenkins and deployed using workflows.

Managed to deliver specific versions of various components of an application into target environments.

Modeled the structure for multi-tiered applications orchestrate the processes to deploy each tier.

Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.

Integrated delivery (CI and CD process) Using Jenkins, Nexus, Yum and puppet.

Familiar and experienced with Agile Scrum development.

Environment: GIT, Ant, Maven, Artifactory, Tomcat, WebSphere, SVN, VMware, Clear Quest Jenkins, Linux, JBOSS, Shell, Perl Scripting, Nexus, JIRA.

Client: Callippus Seamless Solutions, Hyderabad, India Jan 2013- March 2014

Role: Sr. Linux System Administrator

Responsibilities:

Installation, Maintenance, Administration and troubleshooting of Linux and Windows Operating Systems.

Performed automated installations of Operating System using Kickstart for Linux.

As a Linux administrator primary responsibility includes building of new servers which includes rack mounting, installation of OS, configuring of various OS-native and third party tools, securing OS, installing, configuring and job scheduling using Cron.

Performed Linux OS management tasks which include installing packages using rpm and Zipper.

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.

Installed the Operating System on Solaris and Linux servers and blades over the network.

Built virtualized Linux servers on ESX and blade servers to host multiple applications on same chassis across different server hosts.

Develop and maintain an expert level understanding of the OpenStack project ecosystem.

Responsible for Deployment Automation using multiple tools Jenkins, GIT, ANT Scripts.

Provide 24 X 7 on-call UNIX and Linux support on a rotating schedule basis.

Set up Sun servers for SAN-through-FCP boot as against booting from internal hard disks.

Created Filesystems from local storage as well as NFS partitions for application portability.

Applied patches and packages on Linux servers using rpm RedHat Package Manager and yum tools.

Ensured automatic startup of different services by using chkconfig.

Performed troubleshooting on file system failure, network failure and disk failures etc.

Providing day-to-day user administration like adding/deleting users and managing user’s queries.

Shell programming for routine administration tasks.

Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.

Updated & Running the various source code for migration & updating follow-up the release management.

Environment: RedHat Linux, SuSE, Solaris, UNIX, LVM Jenkins, GIT, ANT Scripts, ESX, Korn shell, Bash.

Client: Emcure Pharmaceuticals Ltd, Hyderabad, India Feb2011-Dec2012 Role: Linux Administrator

Responsibilities:

Installation, configuration and administration of Red Hat Linux servers and support for Servers.

Provided 24x7 System Administration support for 300+ Red Hat Linux 3.x, 4. xservers and resolved trouble tickets on shift rotation basis.

Configuration of Hardware and Software RAID on Digital & Sun Servers.

Kernel tuning, Writing Shell scripts for system maintenance, file management, for database startups.

Monitoring system resources, logs, disk usage, scheduling backups and restore.

Setup Clustering for Linux servers and Installation and configuration of Oracle 7.x/8.x.

Creating templates, cloning Linux virtual Machines and migrating servers across ESX hosts.

Configured and Administering NFS and NIS on Sun Solaris server environment.

Day to day ticket resolving & submit CRQ based on user requirement.

Set up Quotas for the user accounts & limiting the disk space usage.

Responsible for scheduling jobs using crontab.

Rpm management using Opsware, Installed and supported user requested rpm’s whenever it is required.

Perform day to day Linux administration such as user accounts



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