PROFESSIONAL SUMMARY:

• A professional career wif over 9+ years of experience in IT industry wif major concentration on implementing devops strategies in various environments
• Linux/Windows administration and cloud technologies like AWS/Azure/GCP. And software configuration and build/ release management tools Maven, Chef, Ansible, Puppet, Terraform, Docker, Kubernetes.
• Extensive experience in designing and deploying multiple applications utilizing AWS and service stack including EC2, S3, EBS, EFS, Elastic Bean Stalk - VPC, Dynamo DB, Key Management Service (KMS), Identity and Access Management (IAM), Elastic Container Service (ECS), Elastic load Balancing (ELB), and VPC by creating required subnets.
• Creating IAM roles, users and groups wif required policy management to provide required access to the resources and Hands on experience wif AWS Lambda workflow implementation using python to interact wif application deployed on EC2 instances and S3 bucket.
• Experience in converting existing AWS infrastructure to server less architecture, deploying via terraform and AWS cloud formation templates and Experienced in configuring Azure virtual networks (VNETS), Subnets, Azure network settings, DHCP address blocks, DNS settings, routing.
• Leveraged “Azure Automation” and PowerShell, Chef and Ansible to automate processes in the Azure cloud.
• Hands on experience wif Microsoft Azure cloud services, Storage Accounts and Virtual Networks.
• Expertise in Google Cloud Platform (GCP) Services Like Compute Engine, Cloud functions, Cloud DNS, Cloud Storage and Cloud Deployment and SaaS, PaaS and IaaS concepts of Cloud computing architecture and Implementation using GCP.
• Experience in migrating the Legacy application into GCP platform and managing the GCP services such as Compute engine, cloud storage, BigQuery, VPC, Stack Driver, Load Balancing and IAM.
• Deployed and Monitored Micro Services using Pivotal Cloud Foundry (PCF) and managed domains and routes wif the cloud foundry.
• Worked on OpenStack services such as Compute, Networking, Storage, Dashboard, Image, Monitoring and components such as Nova, Neutron, Designate, Cinder, Swift, Glance, Horizon and Keystone, and Ceilometer.
• To map more complex dependencies and identify network issues and tool for building, changing, and versioning infrastructure safely and efficiently by using Terraform.
• Automated infrastructure provisioning on AWS using Terraform and ansible
• Used Chef Automate to build and experienced in using Chef and Knife commands to manage nodes, Cookbooks, Chef recipes, Chef attributes, Chef templates, Run-lists, environments.
• Experience in installing and configuring the Ansible management node to deploy configuration to the end user nodes and Writing Ansible playbooks to deploy configuration to the production’s servers.
• Configuring and managing Puppet master server and experience in updating and creating modules and pushing them to Puppet clients and dealing wif puppet manifest files to deploy automated tasks to many servers at once and used Puppet to create manifests, modules, files, and packages stored in GIT repository.
• Experience in working on several Docker components like Docker-Hub, engine, Compose, Swarm and Docker registry and creating Images and Containers and pushing them to Docker Hub, optimized infrastructure by making use of resources effectively and decreased cost wif Docker.
• Familiarity wif Kubernetes cluster management and administration, creating pods and managing them by updating resources depending on the requirement. set Jenkins by integrating various Devops tools such as Nexus, SonarQube, Maven, and maintain and configuring Jenkins by continuous integration (CI) and End to End automation for all build and deployments, involved in writing Groovy scripts for building CI/CD pipeline wif Jenkins file.
• Hands on experience in installing and administrating CI tools like Bamboo and Team City and other Tools like JIRA, Atlassian stack of tools like Stash, Confluence.
• Well experienced in Branching, Merging, Tagging, and maintaining the version across the environments using SCM tools like GIT on Linux platforms (Red-hat, centos, ubuntu) and involved in the Branching strategy, thereby creating different branches in the existing workflow process using revision control tool GIT.
• Hands on experience wif Bitbucket in Branching, merging strategies, Tagging and maintain versions across windows and Linux platforms and integrating to push and pull the code for automation.
• Hands on experience using MAVEN, ANT as build tools for writing build.xml and pom.xml and building of deployable artifacts from source code and administering and configuring Nexus repository Manager for Maven builds.
• Monitoring tool like Nagios is used as a monitoring tool to identify and resolve infrastructure critical processes and integrated application logs wif Splunk and wrote custom Splunk queries for alerting.
• Creating and administrating Splunk Software Development Kit for JavaScript, Python on and AWS Cloud formation templates for Splunk distributed cluster deployment.
• New relic monitoring set up, dashboard, alert for all the AWS infrastructure using relic and pager duty, and also monitoring all applications, servers and associated log files, defining logs to be captured and creating dashboards for application monitoring.
• Working noledge on python/bash/shell/YAML scripts used to automate day to data administrative tasks. Tested various Linux Environments in the Development/Test stages to make the environment and better and clearing the problems if they are occurred, and effective in creating and assigning roles in AWS Lambda to run python scripts.
• Experience in automating wide variety of J2EE and .NET applications.
• Installed databases like oracle 10g, 11g, MySQL on Linux, and well experience in upgrading and migrating various versions of Mongo database on different platforms and installing multi-data center and multi-rack Cassandra cluster. worked in various levels in the infrastructure team on installation, configuration and administration on Red hat-Linux, Centos, Ubuntu, SUSE Linux, AIX, Red hat satellite-6, also windows environment like windows server.
• Expertise in installing and configuring and troubleshooting on windows NT/Windows 2000/2003/2008 and 2012 servers using enterprise standards.

TECHNICAL SKILLS:

Cloud Platforms: AWS, Microsoft Azure, Google Cloud Platform (GCP), OpenStack and PCF.

Continuous Integration Tools: Jenkins, Bamboo, TeamCity.

Continuous Deployment Tools: Docker, Kubernetes Clusters.

Configuration Management Tools: Ansible, Puppet and Chef.

Source Control Management Tools: GIT, Bitbucket and SVN.

Build Tools: Maven, ANT and Gradle.

Tracking Tools: ServiceNow, JIRA.

Artifact Repositories: Nexus and Artifactory.

Logging & Monitoring Tools: Zabbix, PRTG, Nagios, Splunk and ELK Stack (Elastic search, Log stash & Kibana), CloudWatch.

APM Tools: Dynatrace, AppDynamics, New Relic.

Web Servers and Application Servers: Apache, Nginx, JBOSS, Apache Tomcat and WebLogic.

Database: Amazon Aurora, Dynamo DB, MongoDB, Oracle, SQL Server, MySQL.

Operating Systems: Windows, Linux/Unix and MAC OS.

Network Services and Topologies: LDAP, DNS, Web, FTP, Sub netting, LAN, VPC, WAN and firewalls.

Scripting languages: Shell, Python, SQL, XML, HTML, CSS3, Ruby, Perl, JSON and YAML.

Cloud Migration, Infrastructure Spin-up Tools: Terraform, CloudFormation and Azure Resource Manager Templates.

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Devops/Automation Engineer

Responsibilities:

• Worked on Deploying Azure IaaS Virtual Machines (VMs) and Cloud Services (PaaS) into Secure VNets and Subnets, and Designed Network Security Groups (NSGs) to control inbound and outbound access to Network interfaces (NICs), VMs and Subnets.
• Build and configured Azure MySQL database and ensured database stability and performance efficiency. dis includes evaluation of databases and associated servers wif configuration on improving performance, Maintenance and optimization of database operations.
• Build Zabbix as a Network Monitoring tool on prem and build MySQL Database on Azure Cloud and deployed Zabbix Proxy’s on various hosts to collect data.
• Worked on configuring PRTG Network Monitoring tool and integrating it wif ServiceNow to receive alerts and create tickets in ServiceNow
• Worked on installing docker and building docker containers and images.
• Worked on Proof Of Concept wif APM tools like AppDynamics, Dynatrace for infrastructure, Applications, Synthetic Transaction Monitoring.
• Build NewRelic for infrastructure monitoring and configured Linux/Windows hosts to monitor and send alerts to respective Departments of IT through ServiceNow Event Management system.
• Built NewRelic for Synthetic Transaction Monitoring to keep track and provide YETI website more reliable to Customers and configured alerting system in NewRelic to create tickets if any problem occurred in YETI Website.
• Worked on configuring PagerDuty as one of the alerting tool and created Users, services, escalation policy’s in it to Set Proper Alert Management System.
• Built Ansible environment and AWX-Ansible Tower in Infrastructure as Configuration management tools and worked on configuring and securing the Ansible tower in the Infrastructure.
• Developed Ansible playbooks for NewRelic agents to deploy and monitor various Critical hosts, and written playbook for CrowdStrike, Tenable Nessus for security purpose and many other for Automating the deployment on multiple servers at once.
• Build Terraform templates and deployed Grafana Dashboards on various production environments and created various Terraform modules to create instances in AWS, Azure automated process of creation of resources in AWS, Azure.
• Automated the infrastructure provisioning through configuration management tools such as Ansible, Terraform and develop Automation Scripts using YAML, Bash, Python.
• Ensured code reusability and readability by using Ansible-galaxy.
• Worked on Ticketing Tool ServiceNow in building and configuring Automation Pieces in the infrastructure.
• Worked on configuring Event management system, Mid Server’s, Discovery rules, ITOM, ITSM in ServiceNow for building Automated Infrastructure.
• Created Various event management and service status dashboards and written business rules in ServiceNow to Automate the process by configuring ServiceNow.
• Worked on Kubernetes environment in Azure (PaaS) platform for POC.

Environment: Azure, AWS, Zabbix, PRTG, NewRelic, AppDynamics, Ansible-AWX-Tower, Terraform, Docker, Kubernetes, ServiceNow, PagerDuty, VictorOps.

Confidential

Sr. DevOps Cloud Engineer

Responsibilities:

• Worked on Azure ExpressRoute to establish connection from Azure to On-premise datacenter. Working noledge on Azure Fabric, Micro services, Lot & Docker containers in Azure.
• Worked on Azure cloud services, Azure storage, Azure active directory, Azure service Bus. Create and manage Azure AD tenants and configure application integration wif Azure AD. Integrate on-premises Windows AD tenants and Configure application integration wif Azure AD.
• Configured continuous integration from Source control, setting up build definition wifin Visual Studio Team Services (VSTS) and configure continuous delivery to automate the deployment of ASP.NET MVC applications to Azure web apps.
• Worked on Premises applications on cloud platform Azure in dealing wif Azure IaaS - Virtual Networks, Virtual Machines, Cloud Services, Resource Groups, Express Route, Traffic Manager, VPN, Load Balancing, Application Gateways, Auto-scaling.
• Worked on AWS as (IaaS) by configuring and managing Public/private cloud infrastructure like VPC, EC2, S3, Cloud Front, ELB and Elastic Beanstalk.
• Configured Security parameters by managing AWS users and groups using AWS Identity Access management (IAM), to specify the policies and roles to allow or deny access to AWS resources, and also created Route53 to route traffic between different regions.
• Worked wif PCF OAuth2 server and PCF login server to provide identity management and configured PCF nsync, PCF BBS, PCF cell repo to keep application running
• Involved in automation of Linux based servers (Centos, RHEL, Ubuntu) and windows-based servers (2009R2, 2012R2) form on-premises to cloud platforms such as PCF and Azure.
• Using GIT repository for storing Terraform files and maintaining versioning. Converted existing Terraform modules that had version conflicts to utilize cloud formation during Terraform deployments to enable more control or missing capabilities.
• Converted existing Terraform modules that had version conflicts to utilize cloud formation during Terraform deployments to enable more control or missing capabilities.
• Utilized chef as Configuration Management tool for application deployment and for environment configuration, and implemented infrastructure automation through Chef for auto provisioning, code deployments, software installation and configuration updates.
• Develop multiple Chef cookbooks, ChefSpec, Kitchen, Chef Compliance, recipes and Roles, Ansible playbooks to automate the deployment of the applications to different Prod/Perl environments.
• Written the Ansible playbooks which are the entry point for Ansible provisioning. Where the automation is defined through tasks using YAML format to setup continuous Delivery pipeline and ran Ansible Scripts to provision Dev servers.
• Written Ansible playbooks for automating tasks and managed Ansible to configure Web Apps and deploy them on AWS server.
• Used Docker for running different programs on single VM, Docker images includes setting the entry point and volumes, also ran Docker containers and worked on installing Docker and creation of Docker container images, tagging and pushing the images.
• Worked on Docker registry, Machine, Hub and creating, attaching, networking of Docker containers, container orchestration using Kubernetes for clustering, load balancing, scaling and service discovery using selectors, nodes and pods.
• Used Kubernetes for container operation in Azure and used Kubernetes clusters as a network and load balancer, and chosen Kubernetes is also good at running web applications in a cluster way, also used in multiple services by creating images and reduced space.
• Maintaining Jenkins in various multiple environments by installing packages on Jenkins master and slaves and perform regular security updates for Jenkins.
• Migrated the Jenkins free style jobs to pipeline jobs by writing Jenkins file in groovy and written helper functions Library and reused those libraries in Jenkins file.
• Implemented collaborative development environment using GIT, GitHub and integrated it wif Jenkins, and Maintained branches/forks in GitHub version control for the changes made in cookbooks as per release.
• Developed a fully automated continuous integration system using Git, Jenkins and custom tools developed in Python and Bash.
• Used build tool Maven for building deployable artifacts such as jar, war, and ear from source code and Artifactory Repository like Sonatype Nexus for Maven and Ant builds to upload artifacts using Jenkins.
• Managed and monitored the server and network infrastructure using Splunk applied blackouts for any outages, pulling reports by providing them to the client.
• Implementing a Continuous Delivery framework using Jenkins, Maven & Nexus in Linux environment.
• Created and wrote PowerShell scripts for setting up baselines, branching, merging, and automation processes across the environments using SCM tools like GIT.
• Supported multiple teams for multiple applications including .Net and Java/j2EE.
• Written Chef cookbooks for various Database configurations to modularize and optimize project configuration converting production support scripts to chef recipes on server.
• Identifying opportunities to improve infrastructure that effectively and efficiently utilize the Windows server 2008/2012, Microsoft Visual Studio, windows PowerShell, Cloud infrastructure.
• Build and release of Cloud based products containing Linux (Centos, RHEL, Ubuntu) and Windows environments, using PowerShell, python, Ruby.

Environment: AWS, Azure, PCF, Terraform, Chef, Ansible, Docker, Kubernetes, Jenkins, GIT, Maven, Splunk.

Confidential

Sr Devops Cloud Engineer

Responsibilities:

• Build servers using AWS includes importing necessary volumes, launching EC2 instances, S3 for object static webpages and created security groups, auto scaling, load balancer, Route 53 and SNS as per architecture using IAAC tools like Cloud formation JSON Templates.
• Worked on AWS EC2 Instances creation, setting up VPC, launching EC2 instances different kind of private and public subnets based on the requirements for each of the applications and Used IAM to assign roles, to create and manage AWS users, groups, and required permissions to use AWS resources.
• Wrote Ansible Playbooks wif Python SSH as the Wrapper to manage configuration of AWS Nodes and Test Playbooks on AWS instances using Python and ran Ansible Scripts to provision Dev servers.
• Worked on Google Cloud Components, Google container builders and GCP client libraries and cloud SDK’s. Experience on Google Cloud Platform (GCP) and worked on OpenStack-manuals and Security Guide to the OpenStack Community.
• Configured a Google Cloud Virtual Private Cloud (VPC) and Database Subnet Group for isolation of resources. Architecting the infrastructure on Google cloud platform using GCP services and automated GCP infrastructure using GCP Cloud Deployment manager.
• Secured the GCP infrastructure wif Private, Public subnets as well as security groups and leveraged the Google cloud services such as compute, auto-scaling and VPC to build secure, Scalable systems to handle unexpected workloads.
• Implemented automated local user provisioning in instances created in OpenStack cloud through Ansible playbooks.
• Analyzed various distributed file systems suitable for a cloud storage using a storage benchmark Tested a private storage cloud using OpenStack SWIFT software and worked as well wif OpenStack Multi-node installation and configuration.
• Infrastructure buildout, maintenance & automation, collaborated wif infrastructure team to maintain servers using Terraform for provisioning, Ansible for automating software configuration. Servers were spread across various regions and availability zones on AWS.
• Created Terraform modules to create instances in AWS & automated process of creation of resources in AWS using Terraform.
• Written Chef cookbooks to automate the installation and configuration of Docker VM’s, Jenkins master and slave setup using swarm Jenkins plugin on AWS VM’s.
• Wrote 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.
• Developed Ansible Playbooks using YAML scripts for launching different EC2 virtual servers in the cloud using Auto-Scaling and Amazon Machine Images (AMI).
• Used Ansible server to manage and configure nodes, Managed Ansible Playbooks wif Ansible roles. Used file module in Ansible Playbook to copy and remove files on remote systems.
• Created AWS, VPC network for the installed instances and configured the Security Groups and Elastic IP’s and used EC2 Container Service to support Docker containers to run applications on cluster of EC2 instances.
• Building and maintaining Docker container clusters managed by Kubernetes, Linux, Bash, GIT, Docker, on GCP. Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test, deploy.
• Efficiently worked on building the data centers using Amazon Web Service, installed images on Amazon web services using Jenkins/Hudson, GIT.
• Designing and implementing CI (Continuous integration) system and configuring Jenkins servers and nodes by writing required scripts (Bash & Python) and creating configuring VMs.
• Used GIT version control to manage the source code and integrating wif Jenkins to support build automation and integrated wif JIRA to monitor the commits and worked wif Ansible tower for scheduling playbooks and used GIT repository to store these playbooks and implemented continuous deployment pipeline wif Jenkins.
• Installed and administrated Nexus repository to deploy the artifacts generated by Maven and to store the dependent jars which are used during the build.
• Utilized Splunk and New Relic for monitoring of logging, software, operating system, and hardware resources and used these monitoring tools for working of instances in AWS platform.
• Automate the Build and deploy of all internal Java &SC environments using various continuous integration tools and by Python scripting language.
• Developed automation scripting in Python using Chef to deploy and manage Java application across Linux servers.
• Administrated Linux servers for several functions including managing Apache/Tomcat, and MYSQL database in both development and production.
• Managed Virtual servers (Ubuntu, RHEL, Centos) on AWS EC2 using Open-source Chef Server.
• Perform daily maintenance routines on Linux servers, monitoring system access, managing file space and tuning the system for optimum performance.

Environment: AWS, GCP, OpenStack, Terraform, Chef, Ansible, Docker, Kubernetes, Jenkins, GIT, Maven, New Relic.

Confidential, Detroit, MI

Jr AWS/Devops engineer

Responsibilities:

• Involved in designing and deploying multiple application utilizing AWS stack and implemented AWS solutions like EC2, S3, IAM, EBS, Elastic Load Balance (ELB), Security Group, Auto Scaling.
• Automated and implemented the Cloud Formation Stacks for creating AWS resources like VPC, Subnets, Gateways, Auto-Scaling, Elastic-Load-Balancers (ELB), creating DB Instances and many others across different Availability Zones.
• User management including IAM level (AWS Console level) by creating roles to allow the multiple users to switch roles and editing trust relationship to allow switch from main account to other account and at AWS instance level as well.
• Implemented Chef Recipes for Deployment on build on internal Data Centre Servers. Also re-used and modified same Chef Recipes to create a Deployment directly into Amazon EC2 instances.
• Worked wif Chef servers and management application that can use Service Now data to bring computers into a desired state by managing files, and used Chef attributes, Chef templates, Chef recipes, for managing the configurations across various nodes.
• Wrote and customized the Ansible modules for finding facts about AWS CloudWatch alarms and taking actions to pause/unpause those alarms during deployments. Used Ansible Tower Dashboard to view complete status of my plays & tasks, each success and failure of playbooks.
• Wrote ansible playbooks to provision several pre-production environments and several proprietary middleware installations and implemented Ansible to manage all servers existing and to automate the build and configure the new servers, all servers were fully defined by Ansible.
• Used TeamCity Enterprise CI and distributed build that supports all of the environments to run the build, promotions and deployments, and Used Shell Scripts to automate the deployment process, and also uploading the code in GITHUB and generating build number using TeamCity.
• Performed SVN to Bitbucket migration and managed branching strategies using GIT workflow. Managed User access control, Triggers, workflows, hooks, security, repository control in Bitbucket.
• Created snippets that allow developers to share code segments and generated pulled requests for code review and comments using Bitbucket.
• Built and Deployed Java/J2EE to Tomcat Application servers in an Agile continuous integration process and automated the whole process using Maven and Automated Weekly releases wif Maven scripting for Compiling Java Code, Debugging and placing Builds into Maven Repository.
• Installed and configured, managed Monitoring Tools such as Nagios and used 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.
• Worked on integrating Nagios wif cloud watch as a monitoring solution, implementing monitoring tool as Nagios for analyzing and monitoring the network loads on the individual machines.
• Automate the Build and deploy of all internal Java &SC environments using various continuous integration tools and by Python Scripting language.
• Created Python scripts to totally automate AWS services, which includes web servers, ELB, Cloud Front distribution, database, EC2 and database security groups, S3 bucket and application configuration.
• Developed Shell scripts for automation of the build and release process, to monitor repositories developed Custom Scripts and Used for automating process and collecting reports for daily tasks.
• Extensive exposure to configuration management policies and practices wif regards to SDLC along wif automation of scripting using Bash.
• Responsible for installation and configuration and administration of Oracle 10g/11g database on SCO Linux and Windows 2003 Servers and an integral part of the backup and recovery.
• Installation of Solaris 8, 9 based servers wif Jumpstart and RedHat Linux EL 4.x based servers using Kickstart development, test, and production environments.
• Performed Web logic Server administration tasks such as installing, configuring, monitoring and performance tuning on Linux Environment, maintaining security by installing and configuring SSH encryption to access on Ubuntu and RHEL Linux.

Environment: AWS, Chef, Ansible, Bamboo, Bitbucket, Maven, Nagios.

Confidential, Fort Worth, TX

Devops engineer

Responsibilities:

• Wrote custom script in Puppet for package management (rpm, yum) in RHEL Linux and worked closely wif the development and operations organizations to implement the necessary tools and process to support the automation of builds and deployments.
• Worked in building Puppet Enterprise modules using Puppet DSL to automate infrastructure provisioning and configuration automation across the environments and done node classifications and external node classifiers and parameterization for Puppet modules.
• Worked wif Puppet administrator, adding new Puppet enterprise nodes to the master, deactivating the nodes and troubleshooting connection issues, and troubleshooting, event application and reporting various Puppet issues and starting or restarting the Puppet enterprise services.
• Configured Jenkins to build and deploy by setting up SonarQube, Maven, Nexus to build CI/CD pipeline which includes to trigger auto builds, code analysis, and deploy it nexus for various projects.
• Maintain and track inventory using Jenkins and set alerts when the servers are full and need attention, and integrated GIT wif Jenkins to automate the code checkout process wif the help of Jenkins DSL plugin.
• Used Webhooks for pushing the commits from Git to Jenkins and written Groovy scripts to automate Jenkins Pipeline and set up the automate the build in periodic time and set alerts to notify after the build.
• Build end to end CI/CD Pipelines in Jenkins to build CI/CD Pipeline and code deployment guide for Developers, Testers and Production management.
• Used SonarQube for continuous inspection of code quality and to perform automatic reviews of code to detect bugs and Automated Nagios alerts and email notifications using Python script.
• Used GIT version control to manage the source code and integrating GIT wif Jenkins to support build automation and integrated wif Nagios to monitor the commits.
• Created ear, war, jar files using ANT scripts and responsible for builds and managing the testing and Pre-Pod environments, and setup ANT script-based jobs in Jenkins and worked wif Jenkins pipelines.
• Involved in developing custom scripts using Python, JSON, PowerShell, Perl, Shell to automate jobs, and wrote Python scripts for automated backup -ups and Cron Jobs.
• Developed UNIX and Perl Scripts for the purpose of manual deployment of the code to the different environments and E-mail the team when the build is completed.
• Wrote Puppet modules for installing and managing Java Versions and Build and Deployment of the Java application onto different environments Dev, QA.
• Configured Jenkins for .Net applications using MS build and PowerShell scripting and Used Maven as a build tool on Java projects for development of build artifacts of the source code.
• Administrated Linux servers for several functions including managing Apache/Tomcat server, mail server, and MYSQL Database in both development and production.

Environment: Puppet, Jenkins, ANT, GIT, Nagios, Linux, Database, windows.

Confidential

Devops engineer

Responsibilities:

• Installed, Configured and maintained Red Hat Linux, CentOS, servers, DNS, LDAP, NFS.
• Installed WebSphere Application severs 6.0 on Redhat Linux boxes. Created subversion repositories, imported projects into newly created subversion repositories as per the standard directory layout.
• Monitoring day-to-day administration and maintenance operations of the company network and systems working on Linux Systems.
• Imported and managed multiple corporate applications into Subversion (SVN).
• Systems performance monitoring.
• Experience wif VMware Virtualization.
• Responsible for troubleshooting end user and application problems.
• Assembling the systems and installing operating system and application software.
• Designing computer displays to accomplish goals using flowcharts and diagrams.
• Installing Operating Systems and Application Software.
• Developed automated processes that run daily to check disk usage and perform cleanup of file systems on LINUX environments using shell scripting.
• Monitoring CPU, memory, physical disk, Hardware and Software RAID, multipath, file systems, network using the tools Clo 4.0 monitoring.
• Writing Shell scripts for automation of daily tasks, documenting the changes that happen in the environment and in each server, analyzing the error logs, analyzing the User logs, analyzing the /var/log/messages.
• Planned, scheduled and Implemented OS patches on Linux boxes as a part of proactive maintenance.
• Installing and upgrading of packages and patches configuration management, version control, service pack and reviewing connectivity issue regarding security problem.

Environment: Linux, Windows, Database, .Net, Java, Bash/Perl Scripting, Nagios.

Confidential

Linux Administrator

Responsibilities:

• Installing, configuring, upgrading and supporting Red Hat Enterprise Linux servers in an enterprise Data Center environment.
• Responsible for creating and managing user accounts, security, rights, disk space and process monitoring in Solaris, CentOS, Redhat, Ubuntu Linux.
• Worked as an administrator in various aspects of Linux (Red Hat) server administration including installing and maintaining the operating system software, performance monitoring, problem analysis and resolution and production support.
• Monitored server and application performance and tuned me/O, memory and Installation of SSH and configuring of keys base autantication.
• Created users, manage user Administered, maintained Red Hat 3.0, 4.0, 5.0, 6.0 AS, ES, Troubleshooting Hardware, Operating System Application & Network problems and performance issues; Deployed latest patches for, Linux and Application servers, Performed Red Hat Linux Kernel Tuning.
• Worked in implementing and configuring network services such as HTTP, DHCP, and TFTP.
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Linux servers.
• Strong understanding in writing the automation of processes using the shell script wif bash and Python.
• Troubleshoot and resolved basic level system hardware, software and communication problems.
• Production support of Apache, Apache HTTPD, JBoss, Tomcat and Oracle Web logic 10.3 application servers including installation, configuration, and management and troubleshooting. Strong experience in VM environments like XEN, KVM, Oracle Virtual Box and VM Ware 5.0.
• Database administration of MySQL, Oracle or equivalent Data Base programs.
• Developed Python based API (Restful Web Service) to track sales and perform sales analysis using Flask, SQL Alchemy and PostgreSQL.
• Worked wif DBAs on installation of RDBMS database, restoration and log generation.
• Updated data in inventory management package for Software and Hardware products.

Environment: Linux, Windows, Bash/Perl/Shell Scripting, Nagios.