PROFESSIONAL SUMMARY:

• AWS/DevOps Engineer with 7+ years of Professional Experience on DevOps operations process like unit test automation, Build/Release Management, Software Configuration Management, Environment, Service, Incident and Change Management. Understands and manages the space between operations and development to quickly deliver code to customers. Seeking for a position in AWS/ DevOps, to contribute my technical knowledge.
• Experienced on working Chef, Puppet, Jenkins, Git, maven, Docker, Nagios and Linux/Unix system administrator on Redhat EL 4.x, 5.x, 6.x, Debian, CentOS 4.x,5.x, Suse, Oracle Enterprise Linux, FreeBSD and VMware V - Sphere ESX/ESXi environment.
• In-depth understanding of the principles and best practices of Software Configuration Management (SCM)processes, which include compiling, packaging, deploying and Application configurations.
• Experience on AWS Cloud platform and its features including EC2, EBS, VPC, RDS, CloudWatch, CloudTrail, CloudFormation, Autoscaling, CloudFront, IAM, S3, SQS, SNS, Lambda and Route53.
• Build a CI/CD pipeline to automate the process using the python and Bash script.
• Experience in migrating private cloud infrastructure to AWS and set up hybrid cloud using AWS and allocate servers.
• Experienced in setting up Amazon EC2 instances using CloudFormation templates/ Terraform Templates.
• Created snapshots and Amazon machine images (AMIs) of the instances for backup and creating clone instances.
• Designed roles for group of users and resources using AWS Identity Access Management (IAM) and managed network security using Security Groups, and IAM.
• Experienced in CDN (Content Delivery Network) like Akamai and Amazon CloudFront using S3 for storage.
• Expertize in Configuring S3 versions and lifecycle policies to backup files and used Glacier for the archive files.
• Utilized Kubernetes and Docker for the runtime environment for the CI/CD system to build, test, and deploy.
• Last few years have been focused on containerization and immutable infrastructure. Docker has been core to this experience, along with Mesos, Marathon and Kubernetes.
• Expertise in using the Docker for virtualization, Ship, Run and Deploy the application securely to fasten the Build/Release Engineering. Virtualized the servers using the Docker for the test environments and dev-environment needs.
• Implemented CI using Jenkins and continuous deployment.Extensively worked on Jenkins for continuous integration and for End-to-End automation for all build and deployments. Implement CI/CD tools Upgrade, Backup, Restore, DNS, LDAP and SSL setup.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and maven to schedule the builds.
• Proficient with Shell, Python, Ruby, Power Shell, YAML, Groovy scripting languages.
• Experience working with log monitoring tool ELK Stack (Elastic search, Log stash, Kibana).
• Worked with monitoring systems and tools like Nagios, Splunk, CloudWatch etc.
• Worked with different Bug tracking tools like JIRA, Remedy and HP quality center.
• Experience in working with configuration management tools like PUPPET, CHEF and ANSIBLE.
• Used Ansible to manage Web Applications, Config Files, Data Base, Commands, Users Mount Points, and Packages.
• Installed and configured configuration tool such as Chef Server/workstation and nodes via CLI tools to AWS nodes.
• Automation of OS builds and Application Installation through Puppet & Chef.
• Experience working with Puppet Enterprise and Puppet Open Source. Installed, configured, upgraded and managed Puppet Master, Agents & Databases.Involved in leading Automation Deployment Team by working with puppet.
• Expertise in using build tools like MAVEN and ANT for the building of deployable artifacts such as jar, war &ear from source code. Experience the migration of build tool from Ant to Maven.
• Experience the migrating code base from SVN (Subversion) to GIT.
• Hands on experience in source code management, branch creation & repositories management using GIT, SVN.
• Experience in using Tomcat, JBOSS, Web logic and WebSphere Application servers for deployment.
• Have good knowledge of utilizing cloud technology and NoSQL database like Cassandra, Mongo DB database.
• Strong and progressive experience in the server installation of Red Hat Linux, Centos, Oracle Enterprise Linux, VMware ESX&ESXI environment.
• Experience in Linux Administration (Installation, Configuration, Tuning and Upgrades of Linux (Red Hat andOracle)).
• Experienced in LAMP (Linux, Apache, MySQL and Php) Architecture.

TECHNICAL SKILLS:

Programming Languages: C, Perl, Shell, Ruby, Python, XML, HTML

Database Systems: SQL Server 2000/2005, My SQL, Dynamo DB, Mongo DB

Version Control Tools: Perforce, Subversion (SVN), GIT, Clear case

Bug Tracking Tools: JIRA, Remedy, HP Quality Center

Build Tools: ANT, MAVEN, GRADLE

Monitoring Tools: Splunk, Nagios, CloudWatch

CI Tools: JENKINS

CM Tools: Chef, Puppet, Ansible, Docker

AWS Services: EC2, ELB, EBS, AMI, S3, VPC, RDS, IAM, CloudFormation, SNS, SQS, Glacier, CloudFront

Web Technologies: WebLogic, WebSphere, JBOSS, Apache Tomcat, Httpd

Platforms: UNIX, Linux (Red Hat 4.x,5.x,6.x), CentOS, Ubuntu

PROFESSIONAL EXPERIENCE

Confidential, Austin, TX

Sr. DevOps & AWS Engineer

Responsibilities:

• Created AWS Launch configurations based on customized AMI and use this launch configuration to configure auto scaling groups and Implemented AWS solutions using EC2, S3, RDS, DynamoDB, Route53, EBS, Elastic Load Balancer, Auto scaling groups.
• Experienced in Cloud automation using AWS Cloud Formation templates, Python, Ruby, Chef (DevOps), Vagrant.
• Planed, deployed, monitored, and maintained Amazon AWS cloud infrastructure consisting of multiple EC2 nodes and VMWare VM's as required in the environment.
• Managing AWS EC2 instances utilizing Auto Scaling, Elastic Load Balancing and Glacier for our QA environments as well as infrastructure servers for GIT and Chef.
• Created S3 buckets to back up the files and customized it in JSON format and assign the policies so that who can access the files. For the long-term storage and archive files Glacier is used.
• Hands on experience with IAM to set up user roles with corresponding user and group policies using JSON.
• Configured ELB (Elastic Load Balancer) and changed the Security group settings to balance the loads on the servers.
• Implemented and maintained the monitoring and alerting of production and corporate servers using CloudWatch.
• Automated the Cloud deployments using Ansible and AWSCloudFormation Templates.
• Designed AWS CloudFormation templates to create custom sized VPC, subnets. Developed CloudFormation scripts to automate EC2 instances.
• Creating public and private subnets within the VPC and attaching them to the EC2 instances based on the requirement.
• Configured an AWS Virtual Private Cloud (VPC) and Database Subnet Group for isolation of resources within the Amazon RDS Aurora DB cluster.
• Configured auto scaling in customized VPC, based on elastic load balancer (ELB) traffic and using ELB health check to trigger auto scaling actions.
• Migrated and managed multiple applications from on premise to Cloud using AWS services like S3, Glacier, EC2, RDS, SQS, SNS, SES, CloudFormation etc.
• Used DNS management in Amazon S3 to backup database instances to save snapshots of data.
• Knowledge in performing Tuning and Query Optimization in AWS Redshift.
• Well Versed with Configuring Access for inbound and outbound traffic RDS DB services, DynamoDB tables.
• Used AWS lambda to run servers without managing them and to trigger to run code by S3 and SNS.
• Generated a Route53 to control the traffic between different regions.
• Configuring and maintaining network services such as LDAP, DNS, NIS, DHCP, NFS, Web, mail, FTP.
• Creating cloud formation scripts for hosting software on AWS cloud. Automating the installation of Software through PowerShell scripts.
• Managed Amazon redshift clusters such as launching the cluster and managing the node. AWS Beanstalk for deploying and scaling web applications and services developed with Java, PHP, Node.js, Python, Ruby, and Docker on Apache, and IIS application servers.
• Collaborate in the automation of AWS infrastructure via Terraform and Jenkins.
• Experience in code deployment and orchestration with tools such as Chef, Cloud Formation, and automation validation using Test Kitchen, Vagrant, Ansible and Terraform.
• Configuring and managing an ELK stack, setup the Elastic search ELK Stack to collect, search and analyze log files from across the servers. Evaluated system logs using ELK software stack.
• Worked on Vagrant for managing development environments through creation of Linux virtual containers.
• Used Kubernetes to deploy scale, load balance, scale and manage Docker containers with multiple name spaced versions.
• Worked on running Jenkins in Docker containers with EC2 slaves in AWS Cloud configuration with Mesos and Kubernetes.
• Experience in using Kubernetes to create pods, ConfigMaps and deployments into cluster.
• Worked on Docker swarm to deploy the containers into the cluster using Docker CLI.
• Build additional Docker Slave nodes for Jenkins using custom built Docker images and instances.
• Built Jenkins pipeline to drive all microservices builds out to the Docker registry and then deployed to Kubernetes, Created Pods and managed using Kubernetes.
• Expertise working on Docker Container, Docker Hub, creating Docker images and handling multiple images primarily for middleware installations and domain configuration.
• Wrote Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations of AWS nodes and tested Playbooks on AWS instances using Python. Run Ansible Scripts to Provide Dev Servers.
• Created Custom Ansible modules for finding facts about Cloud watch alarms and taking actions to pause-unpause those alarms during deployments.
• Written wrapper scripts to automate the deployment of cookbooks on nodes and running the chef client on them in a Chef environment.
• Deployed web applications using Chef by developing the Cookbook. Also, responsible for creating and importing all the environments that are required to run the project.
• Written multiple cookbooks in Chef using Ruby scripting language for various DB configurations to modularize and optimize the product configuration, converting production support scripts to Chef Recipes.
• Automated the cloud deployments using chef, python and AWS Cloud Formation Templates Expertise in Developing Configuration management modules using Opscode Chef and Ruby.
• Experience with setting up Chef Infra, Bootstrapping nodes, creating and uploading Chef Recipes, Chef Node convergence in Chef SCM.
• Experienced with various scripts Shell, Perl and Python for automation of various tasks.
• Created scripts in Python, which integrated with Amazon API to control instance operations.
• Created and maintained Python scripts for Automating Build and Deployment process and Creating Web based Application by Using Django Framework.
• Build scripts using Ant and Maven build tools in Jenkins and Sonar to move from one environment to other environments.
• Worked with JIRA for change control & ticketing which handles DCR (defect Change Request) MR (Maintenance Request).
• Hands on experience on JIRA for creating bug tickets, storyboarding, pulling reports from dashboard, planning sprints.
• Tracked servers and resource performance using monitoring tools Cloud Watch, Nagios, Zabbix, and Splunk.
• Experience in using Splunk for log analyzing and improving the performance of servers.Integrated Splunk with AWS deployment using Puppet to collect data from all database server systems into Splunk.
• Worked on integrating application logs with Splunk and wrote several custom Splunk queries for monitoring and alerting.
• Used Nagios for application and hardware resource monitoring. Writing new plug-ins in Nagios to monitor resources.
• Installed and configured Zabbix (similar tool to Nagios) as monitoring tool for disk usage, CPU utilization, list of open files etc. and sending alerts to our teams based on the same.
• Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS AMI's. Managed and optimized the Continuous Integration tools like Jenkins.
• Installed Jenkins on a Linux machine and created a master and slave configuration to implement multiple parallel builds through a build farm.
• Strong experience utilizing Jenkins for enterprise scale infrastructure configuration and application deployments - checking out code from SVN/Git and use Ant/Maven to build War/Ear artifacts.
• Managed several Jenkins plugins to automate tasks like code coverage, metrics, AWS-EC2 plugin, and job creation.
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Used Maven as a build tool on java projects for the development of build artifacts on the source code.
• Managed the Maven Repository using Nexus tool to automate the build process and used the same to share the snapshots and releases of internal projects.
• Developed GIT hooks for the local repository, code commit and remote repository, code push functionality and worked on the GitHub.
• Configured GIT with Jenkins and schedule jobs using Poll SCM option.

Environment: AWS (EC2, S3, VPC, ELB, RDS, EBS, Cloud Formation, Cloud watch, Cloud trail, Route 53, AMI, SQS, SNS, Lambda, CLI, CDN), Azure, Docker, Chef, Jenkins, ANT, Maven, Git, SVN, Cron, Jira, Azure, Bash, Shell, Perl, Python, Ruby, Tomcat, WebLogic, Autoscaling, Route53, DNS, Nagios, RHEL 6.8/7.x.

Confidential, Kansas City

DevOps & AWS Engineer

Responsibilities:

• Created and managed EC2 instances utilizing various AWS services like auto-scaling groups, Elastic Load Balancing (ELB), S3 and Glacier for our QA and UAT environments and infrastructure servers for Chef.
• Installed, configured and managed the ELK (Elastic Search, Log stash and Kibana) for Log management within EC2 / Elastic Load balancer for Elastic Search.
• Experience in working with Elastic Block Storage (EBS), creating Volumes and attached to the EC2 instances and created snapshot from that so that we can create a new server with same configurations.
• Responsible for using AWS Console and AWS CLI for deploying and operating AWS services specifically VPC, EC2, S3, EBS, IAM, ELB, Cloud Formation and Cloud Watch.
• Launched and configured The Amazon EC2 (AWS) Cloud Servers using AMI's (Linux/Ubuntu) and configuring the servers for specified applications.
• Configured Elastic Load Balancers with EC2 Auto scaling groups.
• Used S3 for highly durable and available data, versioning and lifecycle policies.
• Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.
• Used IAM (Identity Access and Management) to create new user and assigned groups and roles for that users.
• Created a virtual data center in the Amazon Web Services cloud to support Enterprise Data Warehouse including Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer.
• Good knowledge of AWS services like S3, Glacier, ELB (Load Balancers), RDS, SNS, SWF, and IAM and hands on experience on Amazon Web Services (AWS) provision.
• Performed AWS cloud deployments for web applications with monitoring using CloudWatch and VPC to manage network configurations.
• Experience in Launching and configuring of Amazon EC2 instances and launch the new instances with same configuration by using AMI’s (Amazon Machine Images).
• Document system configurations, Instance, OS, and AMI build practices, backup procedures, troubleshooting guides, and keep infrastructure and architecture drawings current with changes
• Built AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• Used Git, Maven, Jenkins, Chef and Jira as tools for day to day build & release cycles.
• Used Docker as a new level of simplicity to defining and creating applications by encapsulating them in containers. Created virtual images like production environment using Docker by writing Docker compose files.
• Created Docker images using a Docker file, worked on Docker container snapshots and managed Docker volumes. Expertise in setting up Docker Host, Docker Registry, RHEL/ Centos Atomic Host, Docker images (Centos, RHEL and Ubuntu instances).
• Implemented Docker based CI and Deployment framework. Deploying and maintaining Micro services using Docker.
• Used Docker containers for eliminating a source of friction between development and operations.
• Worked on creation of Docker containers and Docker consoles for managing the application life cycle.
• Collaborated with development and support team to setup a continuous delivery environment with the use of Docker.
• Created and maintained the Python deployment scripts for Web Sphere web application server.
• Responsible for Continuous Integration (CI) and Continuous Delivery (CD) process implementation using Jenkins along with Python and Shell scripts to automate routine jobs
• Installed, Configured, Managed Monitoring Tools such as Splunk, Nagios for Resource Monitoring/Network Monitoring/Log Trace Monitoring.
• Knowledge on Server monitoring, capacity planning, application monitoring with the help of Nagios. Knowledge on monitoring and logging tool, SPLUNK.
• Configured Nagios to monitor EC2 Linux instances with Puppet automation
• Written Chef Cookbooks and recipes to Provision several pre-prod environments consisting of Deployment automation, AWS EC2 instance mirroring, WebLogic domain creations and several proprietary middleware installations.
• Deployed and configured Chef Server and Chef Solo including bootstrapping of chef client nodes for provisioning.
• Well versed with many different concepts of Chef like Roles, Environments, Databags, Knife, Chef Server Admin/Organizations.
• Initially used Puppet as a Configuration management tool and later started using the CHEF.
• Integrated delivery (CI and CD process) Using Jenkins, Bamboo, Nexus, YUM and Puppet.
• Created Custom Puppet modules for bootstrapping new servers with the required application dependencies and packages.
• Expertise in using various Puppet features such as Resource management (Package, Service, and File), User Management, Modules, Class, Definition, Templates, Factor and external commands.
• Managed deployment automation using Puppet: Roles, Profiles, MCollective, Hiera, and Custom Puppet modules.
• Used Puppet to deploy ELK for automating continuous deployment (CD) and configured Slave Nodes and deployment failure reporting.
• Implemented a Continuous Delivery framework using Jenkins, Maven in multiple environments by using Python Scripts.
• Build the maven artifacts using Jenkins and Deploying into Amazon Cloud Environment by adding Monitoring Metrics to CloudWatch and the respective Alarms.
• Automated Deployment of Java based applications into Tomcat, WebLogic servers using Chef and Jenkins.
• Built Continuous Integration environment (Jenkins, Nexus). And Continuous delivery environment (puppet, Yum, rsync).
• Defined dependencies and plug-ins in Maven pom.xml for various activities and integrated Maven with GIT to manage and deploy project related tags
• Used both GIT and Bitbucket source control systems to manage code.
• Have experience on version controls tools and repositories like GIT, SVN, Bitbucket, S3, and Code Commit.
• Created Jira workflows to automate deployment and for issue tracking.
• Involved in setting up JIRA as defect tracking system and configured various workflows, customizations and plug-ins for the JIRA bug/issue tracker
• Configured automated VM migrations using automated scripts in PowerShell. Standardized network cable runs for VMware hosts across multiple data center.
• Remote administration and system configuration through scripting, Linux CLI (Bash, Perl, Python), Salt Stack (Puppet), and Rackspace (OpenStack) console.
• Proficient in deploying and support applications on WebSphere, Tomcat, WebLogic application servers Used Shell/Perl scripts to automate the deployment process.

Environment: AWS (EC2, S3, VPC, ELB, RDS, EBS, Cloud Formation, Cloud watch, Cloud trail, Route 53, AMI, SQS, SNS, Lambda, CLI, CDN), Docker, Chef, Jenkins, ANT, Maven, Git, SVN, Cron, Jira, Bash, Shell, Perl, Python, Ruby, Tomcat, WebLogic, Autoscaling, WebSphere, Route53, DNS, Bamboo Nagios, RHEL 5.11/6.x.

Confidential, Madison, WI

DevOps Engineer

Responsibilities:

• Monitored software, hardware and/or middleware updates and utilizing technologies like Jenkins/Hudson, Ant, MS Build, and Subversion.
• Enabled Continuous Delivery through Deployment into several environments of Test, QA, Stress and Production using Jenkins.
• Worked on writing Puppet modules from scratch to better the usability and functionality of module.
• Developed the scripts to push patches, files and maintain configuration drift through the Puppet Tool.
• Created Puppet manifests, classes and modules to automate system operations.
• Used Puppet to manage Web Applications, Configuration Files, Data Base, Packages.
• Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Involved in installing Puppet client on Red hat & Solaris servers for Automation purpose.
• Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers.
• Set up puppet master, client and wrote scripts to deploy applications on Dev, QA, production environment.
• Develop and implement an automated Linux infrastructure using Puppet, wrote Puppet models for installing and managing java versions, wrote a python plugin for collected to write metrics to state.
• Performed Server configuration management via Puppet. Transparent Data Encryption (TDE) implementation.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and Maven to schedule the builds.
• Automate the builds and deployment of JAVA projects using ANT and Jenkins.
• Automated, designed and implemented continuous integration using GIT, Jenkins, puppet.
• Implementing a Continuous Delivery framework using Jenkins, Maven in Linux environment.
• Involved in Installing Jenkins on a Linux machine and created a master and slave configuration to implement multiple parallel builds through a build farm.
• Defined dependencies and plugins in Maven pom.xml for various activities and integrated Maven with GIT to manage and deploy project related tags.
• Integrated Maven with Shell scripts created in Bash to automate the deployments for the Java based applications.
• Extensively used Ant, Maven, Perl and Bash Scripts for automating build and release tasks.
• Manage Code Repository by, maintaining code repository in GIT; improve practices of branching and code merge to custom needs of development team.
• Initiated responsibility for administering the SVN and GIT servers which included install, upgrade, backup, adding users, creating repository/branches, performance tuning, troubleshooting issues and maintenance.
• Implemented Shell and Perl scripts for release and build automation. Manipulated and automated scripts to suit requirement.
• Administered WebSphere application Servers at configuration level.
• Deployed the applications on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionalities.

Environment: Puppet, Jenkins, Hudson, ANT, Maven, Git, SVN, Jira, Bash, Shell, Perl, Python, Ruby, Tomcat, WebLogic, Autoscaling, WebSphere, Nagios, RHEL 5.9/6.x.

Confidential

Build and Release Engineer

Responsibilities:

• Installed, configured and administered Jenkins CI tool on Linux machines.
• Configuration Management (SCM) tools like Subversion (SVN), GIT. Setup Jenkins Build server and maintenance.
• Jenkins is used as a continuous integration tool for build and deployment of JAVA code.
• Experience in User Management and Plug-in Management for Jenkins.
• Used the continuous integration tool Jenkins to automate the daily processes.
• Created Instances in Apache Webserver and JBOSS Application server in QA and Production environments.
• Worked in creating WebSphere Application Server Clustered Environments and handling Load Balancing for QA, UAT and Production.
• Automated Linux production server setup using Puppet scripts. Documented release, builds and source control processes and plans.
• Designed and implemented Puppet-based configuration management system for all new Linux machines (physical and virtual).
• Managed Maven environment by setting up local, remote and central repositories with required configuration in maven configuration files.
• Experience with Build Management tools like Maven for writing build.xml and Pom.xml.
• Managed the Maven Repository using Nexus tool to automate the build process and used the same to share the snapshots and releases of internal projects
• Used ANT and MAVEN as build tools on Java projects for the development of build artifacts on the source code.
• Created Maven shell scripts for build and release activities in QA, Staging, and Production environments.
• Managed SVN repositories for branching, merging, and tagging.
• Performed all necessary day-to-day Subversion/GIT support for different projects.
• Integrate GIT into Jenkins to automate the code check-out process.
• Using GIT as configuration Management tool to have version control
• Responsible for design and maintenance of the Stash GIT Repositories, views, and the accesscontrol strategies.
• Written Perl script to monitor and notify team about the Rsync updates
• Developed and maintained UNIX/Perl/ANT scripts for Java/J2EE build and release tasks.
• Implemented Release schedules, communicated the Release status, created Roll Out Plans, tracked the Project Milestones, prepared the reports and chaired the Release calls and worked for a Jira Application.
• Deployed Enterprise Application Archive (EAR), Web Application Archive (WAR), Staging and Production environments.
• Modified ANT scripts to build the JAR's, Class files, WAR files and EAR files from VOB's.
• Strong ability to troubleshoot any issues generated while building, deploying and in production support.Good Interpersonal Skills, team-working attitude, takes initiatives and very proactive in solving problemsand providing best solutions.Good knowledge on ITIL Process and have worked on coordinating releases across the projects.

Environment: Linux (RHEL, CentOS), Puppet, Jenkins, Hudson, ANT, Maven, Git, SVN, Puppet, Jira, Bash, Shell, Perl, Python, Tomcat, WebLogic, WebSphere, JBOSS, Nagios, RHEL 5.x.

Confidential

Unix/Linux Administrator

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 with 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: RHEL 4/5.x, Autosys, CentOS, VMware vSphere 4.0, VMware ESX 3.5.0, Shell Scripting, Apache Tomcat, Nagios, SVN, Bash, Ruby, Python.