SUMMARY:

• DevOps Engineer with almost 8 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 teh space between operations and development to quickly deliver code to customers.
• Experienced on Git, maven, Jenkins, Ansible, Chef, Docker, Kubernetes, Nagios and Linux/Unix system administrator on RHEL 4.x, 5.x, 6.x, Debian, CentOS 4.x, 5.x, Oracle Enterprise Linux and VMware V - Sphere ESX/ ESXi environment.
• Experience on AWS Cloud platform and its features including EC2, EBS, VPC, RDS, CloudWatch, CloudTrail, CloudFormation AWS Configuration, Autoscaling, CloudFront, IAM, S3, SQS, SNS and Route53.
• Experienced in setting up AWS EC2 instances, AMI, Elastic Load Balancer (ELB) and Elastic Block Storage volumes (EBS). Also created snapshots and Amazon machine images (AMIs) of teh 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. Configured AWS IAM and Security Group in Public and Private Subnets in VPC. Created AWS Route53 to route traffic between different regions.
• Used Google Cloud Platform (GCP) Services Like Compute Engine, Cloud Functions, Cloud DNS, Cloud Storage and SaaS, PaaS and IaaS concepts of Cloud computing architecture and Implementation using GCP.
• Setup GCP Firewall rules to allow or deny traffic to and from teh VM's instances based on specified configuration and used GCP cloud CDN (content delivery network) to deliver content from GCP cache locations.
• Secured theGCPinfrastructure with private, public subnets as well as security groups etc., and leveraged theGCPcloud services such as compute, auto-scaling and VPC to build secure, scalable systems to handle teh unexpected loads.
• Hands on experience in building and deploying micro services-based applications in google cloud platform (GCP) and Experience with Continuous Integration & Continuous Deployment tools and processes.
• Hands-on experience in Azure Cloud Services (PaaS & IaaS), Storage, Web Apps, Active Directory, Application Insights, and Logic Apps.
• Knowledge in Automating, Configuring and Deploying Instances onAzureenvironments and in Data centers and migrating on premise to WindowsAzureusingAzureSite Recovery andAzure backups and collecting data from allAzureResources using Log Analytics and stored in theAzure storage and analyzed teh data to resolve issues.
• Experience in implementing teh concept of tunneling between two clouds AWS andAzureso dat an application is synchronized and maintained on both clouds simultaneously.
• Experience in setting up teh enterprise infrastructure on Pivotal Cloud Foundry (PCF) and hands-on experience with PCF Blobstore for storing and managing Application code packages & buildpacks.
• Expert on writing automation scripts for creating resources in OpenStack Cloud using Python and Terraform modules.
• Written Templates for AWS infrastructure as a code using Terraform to build staging and production environments and Implemented Terraform modules for deployment of applications across multiple cloud providers.
• Experienced in Installing, Configuring and management in Ansible Centralized Server and creating teh playbooks to support various middleware application servers and involved in configuring teh Ansible tower as a configuration management tool to automate repetitive tasks and Used Ansible to manage Config Files, Database, Users Mount.
• Installed and configured Chef Server/workstation via CLI to AWS nodes and Used Chef for server provisioning and automating infrastructure and Extensively used Ruby scripting on Chef Automation for creating cookbooks.
• 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 AWS EC2 instances.
• Hands on experience in setup & Configuration of Puppet with specific client requirement such as create user/remove user, install/remove packages, update & configure multi nodes and working with Puppet Enterprise, Puppet Open Source.
• Experience working on Docker Container, Docker Hub, creating Docker images using Docker file and handling multiple images primarily for middleware installations and domain configurations.
• Expertise in using teh Docker for virtualization, Ship, Run and Deploy teh application securely to fasten teh Build/Release Engineering. Virtualized teh servers using teh Docker for teh test environments and dev-environment needs.
• Strong Hands on experience with Google's Docker based cluster managementenvironment Kubernetes and Used Kubernetes to deploy, load balance, scale and manage docker containers with multiple name spaced versions and noledge in Building/Maintaining Docker container clusters managed by Kubernetes on GCP.
• Deployment Automation of all microservices to pull image from private Docker registry and deploy to Kubernetes Cluster.
• Extensively worked on Jenkins for continuous integration and for End-to-End automation for all build and deployments. Integrated Jenkins with Ant and maven to schedule teh builds and integrated Jenkins show traces of SonarQube runner execution and displayed results in sonar dashboard.
• Built and maintained Infra DevOps team's CICD pipeline using technologies such as Git, Bitbucket, TeamCity, Service Now, and Artifactory.
• Used GIT and Bitbucketto keep track of all changes in source code and Experienced in Branching, Merging, Tagging, and maintaining teh version across teh environments using SCM tools like GIT and Bitbucket.
• Experience in using build tools like MAVEN and ANT for building of deployable artifacts such as jar, war & ear from source code and hands on experience in migration of build tool from Ant to Maven.
• Experienced in writing pom.xml and build.xml for Java and J2EE Applications and performing releases with teh Maven release plugin, Mavenization of Java projects and managing Maven repositories.
• Experience in implementing and administering monitoring tools Splunk and Nagios and monitored CPU, memory, physical disk, Hardware, and Software RAID, multipath, file systems, a network using teh tool NAGIOS monitoring.
• Created Nagios Monitoring infrastructure, various Nagios Plugins Scripts Python based for checking health of App servers and for monitoring load.
• Strong scripting noledge on Bash, Shell & Python and wrote python scripts using Boto3 to automatically spin up teh instances in AWS EC2.
• UsedPowerShellto execute commands/scripts, installed remote server administration tools usingPowershell, UsedPowerShell, PowerCLI.
• Implemented java design patterns and worked on web servers like Apache, nginx and application servers like Tomcat, JBOSS to deploy code on Linux platforms.
• Strong noledge of relational database management systems like Oracle, MS SQL Server, MySQL and nonrelational database DynamoDB which delivers reliable performance at any scale.
• Experienced in building REST APIs on SQL, Oracle (Relational) database MySQL and NoSQL database MongoDB.
• Expertise in working on Linux and windows operating systems and Experience on user administration using Active Directory on Windows and LDAP on Linux servers.
• Experience in configuring Kickstart Servers in Red hat Linux and used Startup & Shutdown Scripts, Crontabs, File System Maintenance, Backup Scripts and Automation.

TECHNICAL SKILLS

Operating Systems: Unix, RedHat Linux 4/5/6/7, CentOS 5/6/7, Windows, macOS.

Programming, Web, scripting languages: Core Java, SQL, Shell, Python, YAML, Ruby, JSON, HTML 5.0, CSS, Perl, Power Shell, XML.

Cloud Services: Amazon Web Services (AWS), Google Cloud Platform(GCP), Microsoft Azure, PCF.

Versioning Tools: Subversion, GIT, Bitbucket.

Build Tools: Maven, ANT, Gradle.

Continuous Integration tools: Jenkins, Bamboo.

Artifact Repository & Code Quality tools: Nexus, Artifactory, Sonar Qube.

Configuration Management tools: Ansible, Chef, Puppet.

Deployment/Orchestration tools: Docker, Kubernetes.

Databases: Amazon DynamoDB, Oracle 10g, SQL, My SQL, SQL Server, MS SQL, Postgre SQL, Toad.

Testing Tools: Junit, Cucumber.

Bug tracking Tools: JIRA, HP Quality Center.

Amazon Web Services: EC2, ELB, EBS, AMI, S3, VPC, RDS, IAM, Route 53, Cloud Watch, Cloud Formation, CloudTrail, SNS, SQS, Glacier, CloudFront, AWS CLI.

Monitoring Tools: Nagios, Splunk, Cloud Watch, ELK.

Network Protocols: WINSCP, SSH, VPN.

Production Support: Apache, Nginx, Tomcat, JBOSS, Weblogic.

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Senior DevOps/Cloud Engineer

Responsibilities:

• Exposed to all teh aspects of Software Development Life Cycle (SDLC), In depth understanding of teh best practices and principles of Software Configuration Management (SCM) in Agile, Scrum and Waterfall methodologies.
• Involved in AWS Cloud IaaS stage with components EC2, VPC, ELB, Auto-Scaling, Security Groups, Route53, IAM, EBS, AMI, RDS, S3, SNS, SQS, CloudWatch, CloudFormation, CloudFront, and Direct Connect.
• Experience in working with Elastic Block Storage (EBS). Created volumes and attached to teh AWS EC2 instances and created snapshot from dat so dat we can create a new server with same configurations.
• Created AWS S3 buckets to back up teh files and customized it in JSON format and assign teh policies so dat who can access teh files. For teh long-term storage and archive files Glacier is used.
• Configured ELB (Elastic Load Balancer) and changed teh Security group settings to balance teh load on teh servers.
• Implemented and maintained teh monitoring and alerting of production and corporate servers using CloudWatch.
• Developed AWS CloudFormation templates to automate EC2 instances by providing custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• Converted existing AWS infrastructure to Server-less architecture (AWS, Lambda, Kinesis) deployed via Terraform.
• Build teh maven artifacts using Jenkins and Deploying into Amazon Cloud Environment by adding Monitoring Metrics to CloudWatch and teh respective Alarms.
• Involved in a team for migration to Google Cloud Platform (GCP) from AWS for cheaper machines and more computing performance by using DevOps tools such as Ansible, Terraform, docker, Kubernetes, JumpCloud which made migration with no downtime and were able to re-use almost all teh automation/management code developed before.
• Worked on google cloud platform (GCP) services like compute engine, cloud load balancing, cloud storage, cloud SQL and cloud deployment manager.
• Used Configuration management tool Ansible to setup codebase and made sure any package updates in Ansible has teh correct handlers to ensure a zero-downtime deployment and involved in writing python script for dynamic inventory dat Ansible executes to find teh machines in your environment.
• Automated various infrastructure activities like Continuous Deployment, Application Server setup, using Ansible playbooks and TEMPhas integrated Ansible with Jenkins.
• Used AWS EC2 as virtual servers to host Git, Jenkins and configuration management tool like Ansible. Converted slow and manual procedures to dynamic API generated procedures.
• Used Terraform to setup infrastructure in teh cloud environments using Hashi Corp. Handled cloud integration, creating resources and provisioned resources across multiple cloud platforms with Terraform.
• Used Docker containers for eliminating a source of friction between development and operations.
• Used Docker to virtualize teh servers for teh test environments and development environments needs and configuration automation using Docker containers. Build additional Docker Slave nodes for Jenkins using custom built Docker images and instances.
• Used Docker as a new level of simplicity to defining and creating applications by encapsulating them in containers.
• Migrated from Chef to Docker and Kubernetesby using Blue/Green Deployment.
• Scheduled, Deployed and Managed container replicas onto a node cluster using Kubernetes.
• Built Jenkins pipelines to drive all microservices builds out to teh Docker registry and tan deployed to Kubernetes, Created Pods and managed using Kubernetes.
• Developed Chef Recipes to configure, deploy and maintain software components of teh existing Infrastructure.
• Automated Deployment of Java based applications into Tomcat server using Chef and Jenkins.
• Monitored teh application performance and remote server's state using Nagios dashboard and managed network issues.
• Automated Nagios alerts and email notifications using python script and executed them through Chef.
• Configured GIT with Jenkins using ‘GitHub plugin’ and schedule jobs using POLL SCM option.
• Set up Jenkins server and build jobs to provide continuous automated builds based on polling teh Git source control system during teh day and periodic scheduled builds overnight to support development needs using Jenkins, Git.
• Developed build and deployment scripts using MAVEN as build tool on java projects in Jenkins and managed Maven Repository using Nexus tool to automate teh build process and used teh same to share teh snapshots and releases of internal projects.
• Created functions and assigned roles in AWS Lambda to run python scripts, created function in Lambda dat does data manipulation of incoming events and stored results in Amazon S3.
• Automated daily tasks usingShellscripting to export/import database backups from RDS & keep teh same in S3 (AWS Storage).
• Worked with MySQL and DynamoDB databases and Createddatabasetables dat can store and retrieve any amount of data and serve any level of request traffic using DynamoDB.
• Worked on DynamoDB tables by retrieving, updating teh data for testing of project requirements.
• Performed troubleshooting on Windows, RHEL, Ubuntu operating systems.
• Worked with JIRA for change control & ticketing which handles DCR (defect Change Request), MR (Maintenance Request).

Environment: s: AWS (EC2, S3, VPC, ELB, RDS, EBS, Cloud Formation, Cloud watch, Cloud trail, Route 53, AMI, SQS, SNS, Lambda, CLI, CDN), GCP (compute engine, cloud load balancing, cloud storage, cloud SQL, cloud deployment manager), Docker, kubernetes, Ansible, Chef, Jenkins, Maven, Git, Nexus, Sonar Qube, Cron, Jira, YAML, Bash, Shell, Python, Ruby, JSON, Tomcat, WebLogic, Autoscaling, DNS, DynamoDB, Nagios, windows, Ubuntu, RHEL 6.8/7.x.

Confidential, Spokane, WA

Sr. DevOps/Cloud Engineer

Responsibilities:

• Worked on teh migration from VMware to AWS and used Chef to automate teh infrastructure in AWS by creating EC2, S3, RDS, VPC and Route 53.
• Provisioned AWS EC2, EBS, Trusted advisor, S3, CloudWatch, CloudFront, IAM, Security groups and auto-scaling.
• Used security groups, network ACLs, Internet Gateways, NAT instances and Route tables to build a secure zone environment for organizations in AWS public cloud.
• Defined AWS Security Groups which acted as virtual firewalls dat controlled teh traffic allowed to reach one or more AWS EC2 instances.
• Utilized AWS CLI to automate backups of ephemeral data-stores to S3 buckets, EBS and create AMI'S for mission critical production servers as backups.
• Automated, Configured and Deployed Instances in Azure environments and in Data centers and migrating on premise to Windows Azure using Azure Site Recovery and Azure backups.
• Worked on Microsoft Azure and performed functions like Creating virtual machines, installing IIS, setting up cloud services and creating SQL databases.
• Involved on Azure Table Storage and Blob on Azure Sql, created stored procedures, nested queries and triggers of teh application and responsible of web application deployments over cloud services (web and worker roles) on Azure using PowerShell scripting.
• Manage infrastructure as code environments utilizing Terraform and Developed reusable terraform service modules to provisioning infrastructure for multiple applications.
• Executed Kubernetes locally with MiniKube, Created local clusters and deployable application containers.
• Configured Dockerfile with different artifacts to make an image and deploy Docker image to install teh application on an instance, maintain and troubleshoot for any user issues or network problems.
• Automation/Configuration management using Ansible, created playbooks in YAML to automate teh development processes.
• Managed Ansible Playbooks with Ansible roles. Used file module in Ansible playbook to copy and remove files on remote systems.
• Installed Chef-Server Enterprise On-Premise/WorkStation/ Bootstrapped teh Nodes using Knife and managed Nodes, Run-Lists, roles, environments, data Bags, cookbooks, recipes in Chef.
• Implemented Auto Scaling with Chef and Assign chef roles to AWS EC2 instances.
• Implemented teh setup for Master-slave architecture to improve teh Performance of Jenkins and Implemented a CD pipeline involving Jenkins and GIT to complete teh automation from commit to deployment.
• Run Jenkins on-top of Kubernetes to drive all automation with web-hooks tied into our GIT system. Used most recent pipeline/multi-branch usefulness for dealing with all stages of pipeline by means of Jenkins file written in Groovy.
• Maintained settings.xml in MAVEN for permissions to users and deploying teh artifacts directly to Nexus Repository.
• Defined dependencies and Plug-ins in Maven pom.xml for various activities and integrated Maven with GIT to manage and deploy project related tags.
• Installed and configuredSplunkto monitor AWS EC2 Linux instances with Ansible automation. Created indexes and generated reports.
• Streamed AWS CloudWatch Logs toSplunkby triggering AWS Lambda and pushing events toSplunkfor real-time Analysis and Visualization.
• Handled large scale RDBMS migration through RedShift, used Multi - AZ Deployment in RDS to enable High Availability and Automatic Failover at thedatabasetier for MySQL workloads.
• Used PowerShell Scripting for automating processes and collecting reports for daily tasks. Experience in shell scripts (Bash), Ruby and PowerShell for automating tasks.
• Managed user permissions and maintain User & File System quota on Red hat Linux/Windows and Ability to debug, fix build issues across numerous Unix andWindowsplatform.

Environment: s: AWS (EC2, S3, VPC, ELB, RDS, EBS, Cloud Formation, Cloud watch, Cloud trail, Route 53, AMI, SQS, SNS, Lambda, CLI, CDN), Microsoft Azure, Terraform, Docker, kubernetes, Ansible, Chef, Jenkins, Maven, Git, YAML, Bash, Shell, Python, Ruby, Power Shell, Tomcat, WebLogic, DynamoDB, MySQL, Nexus, Splunk, Unix, Windows, RHEL 6.8/7.x.

Confidential, Exton, PA

DevOps/AWS Engineer

Responsibilities:

• Created AWS EC2 instances using command line calls and troubleshoot teh common problems with instances and monitor teh health of Amazon EC2 instances and other AWS services.
• Configured Elastic Load Balancers with EC2 Auto scaling groups and Perform S3 buckets creation, policies and IAM role-based policies.
• Integrated AWSDynamoDBusing AWS Lambda to store teh values items and backup theDynamoDBstreams.
• Deployed and monitored scalable infrastructure on Amazon web services & configuration management using Chef.
• Used Chef as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Written Chef Cookbooks and recipes in Ruby to Provision several pre­prod environments consisting of DB installations.
• Wrote Ansible Playbook in Ansible host to automatically connect 50 to 100 servers (node machines) through SSH and tested teh playbook on AWS instances.
• Designed and implemented fully automated server build management, monitoring and deployment by using Ansible playbooks and Modules.
• Experience with writing Perl, PowerShell, shell scripts and used Maven tobuildthe source code. Supported and halped to create Dynamic Views and Snapshot views for end users.
• Monitoring of teh system using Splunk and worked on installation or update of patch software’s, firmware, and security patches for all applications installed infrastructure via RedHat Linux platform.
• Responsible for creating user, group creation, monitoring and maintaining log for system status/health using Linux commands and Splunk monitoring tool
• Experience in building CI/CD pipeline, upstream/ downstream projects, multi-branch pipelines with teh halp of Jenkins and setting upMaven/ANT repositories and to automate everyday builds.
• Experience in using Nexus and Artifactory Repository forMavenand Ant builds, Jenkins for continuous integration (CI) and for End to End automation for all build and deployments.
• Implemented & maintained teh branching andbuild/releasestrategies utilizing Bitbucket.
• Involved in database design and developedSQLQueries on MySQL andInvolved in support databases and performed MSSQLupgrades running on Windows servers.
• Managed user and database on teh MySQL database granting distinct levels of permissions.
• Developed Perl andshellscripts for automation of teh build and release process, developed Custom Scripts to monitor repositories, Server storage.
• Automated deployment ofbuildsto different environments using Jenkins. Performed and deployedBuildsfor various Environments like QA, Integration, UAT and Productions Environments.
• Comfortable and flexible with installing, updating, configuring various flavors of Linux and Windows.

Environment: s: AWS (EC2, S3, VPC, ELB, RDS, EBS, Cloud Formation, Cloud watch, Cloud trail, Route 53, AMI, SQS, SNS, Lambda, CLI, CDN), Ansible, Chef, Jenkins, Maven, ANT, Bitbucket, YAML, Shell, Python, Ruby, Power Shell, Perl, nginx, Tomcat, DynamoDB, MySQL, MS SQL, Splunk, Nexus, Sonar Qube, Windows, RHEL 6.6/6.7.

Confidential

Site & Reliability Engineer

Responsibilities:

• Automated manual builds and deployment processes withJenkinsand for various applications, deploying to development, QA, and staging environments with multiple physical targets and multiple zones/containers per target.
• Strong Knowledge in creatingJenkinsContinuous Integration and for End to End automation for build and deployments.
• ConfigureJenkinsto build CI/CD pipeline which includes to trigger auto builds, auto promote builds from one environment to another, code analysis, auto version etc. for various projects.
• Experience in Troubleshooting teh build issues during theJenkinsbuild process.
• Coordinated developers with establishing and applying appropriate branching, labelling/naming conventions usingGITsource control.
• Used ANT as a build tools on java projects for teh development of build artifacts on teh source code.
• Experience in administration & configuration management ofPuppeton Linux andPuppetenterprise management from teh console & Creating and modifying teh manifest as per teh requirement onPuppet.
• Working withPuppetas Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manage changes.
• Managed and administrated of allUNIXservers, includes Linux operating systems by applying relative patches and packages at regular maintenance periods using Red Hat Satellite server, YUM tools.
• Planned and performed teh upgrades toLinux (RHEL 5x, 6x, SUSE 10, 11, CENTOS 5, 6,operating systems and hardware maintenance like changing memory modules, replacing disk drives.
• HandlingNFS, DNS, LDAPrelated issues.
• Performing failover and integrity test on new servers before rolling out to production.
• Deployment and Configuration of application serverTomcatdeployingJavaandWeb Application.
• Writing Shell scripts for automation of daily tasks, documenting teh changes dat happen in teh environment and in each server, analyzing teh error logs, analyzing teh User logs, analyzing teh /var/log/messages.
• Planned, scheduled and Implemented OS patches on Linux boxes as a part of proactive maintenance.
• Produced automated software builds using variety of open source, scripting and proprietary tools.
• Provide support to development, test and production support.
• UsedPuppetfor managing server application server such asApache, MySQL, Tomcat.
• Installation, configuration, and customization of services Apache, FTP servers to meet teh user needs and requirements.

Environment: s: Red Hat Linux 5.x, 6.x, Autosys, VMware vSphere 4.0, VMware ESX 3.5.0, Jenkins, Puppet, GIT, ANT, Shell Scripting, MySQL, Tomcat, Nagios.

Confidential

SCM 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/Linux platform.
• Performed deployment of application code to production environments.
• Build and deploys J2EE applications in Web Sphere.
• Assist with maintaining current build systems, developed build scripts, and maintained teh source control system.
• Managed teh source codes repository of multiple development applications using SVN version control tools.
• Merged release branches to teh trunk after teh production release and resolved teh conflicts if any during teh merge in Subversion(SVN).
• UsedJenkins as a continuous integration(CI) tool for automation of daily process.
• Administered and EngineeredJenkinsfor managing weekly Build, Test and Deploy chain, GIT with Dev/Test/Prod Branching Model for weekly releases.
• Implemented continuous Integration usingJenkinsand wroteJenkinsInstallation script andJenkins Pipeline for multiple projects.
• Developed automation scripting in Python to deploy some applications.
• Used Puppet to maintain configuration on Linux servers.
• Responsible for designing and deploying best SCM processes and procedures
• Built and Deployed Java/J2EE to a web application server in an Agile continuous integration environment and automated teh whole process.
• Developed Perl and shell scripts for automation of thebuildandreleaseprocess.
• Involved in editing teh existing ANT (Build.XML) files in case of errors or changes in teh project requirements.
• Perform periodic system audits on all environments to ensure dat only controlled versions of software reside all environments.
• Responsible for building and releasing packages for testing.
• Created analytical matrices reports for release services based on Remedy tickets.
• Trained offshore team for noledge transfer.

Environment: s: Java, J2EE, Unix, Puppet, Maven, GIT, SVN, ANT, Jenkins, Web Sphere, Python, Perl Scripts, Shell Scripts,Remedy, RHEL 6.x.

Confidential

Linux administrator

Responsibilities:

• Worked as administrator for Linux servers and as a part of implementation team, worked with several teams like Network, Storage, Data Center team.
• Analyzed teh Project requirement and submitted teh request to teh respective teams and procure teh resources and built and as per standard, hand over teh server to teh Application / DBA team for further configuration at their end.
• Configured Red-hat Linux 3.x & Solaris 8, 9 for production, staging and test environments.
• Built and configured virtual machines, ESXi; using VMware/VSphere to monitor servers, web applications.
• Installed, configured, administered VMware, Solaris Zones, Containers and managed Swap Space, Disk utilization and CPU utilization and configured Clusters, Server groups and Cloning for improved availability and failover capacity.
• Managed Apache Server and maintained Plug-in in LAN/WAN environments and troubleshooted various systems problems such as application related issues, network related issues, hardware related issues etc.
• Handled all aspects of Apache Server from Installation and Configuration to Monitoring, Troubleshooting, Tuning and Application Deployment in various environments DEV, QA, and PROD.
• Installed and configured SSH to enable secure access to teh servers and performed troubleshooting on filesystem failure, network failure and disk failures etc.
• Installed, configured, managed PostgreSQL and MySQL database servers and worked with DBAs on installation of RDBMS database, restoration, log generation.
• Successfully installed and configured NAGIOS monitoring system to monitor teh production server environment.
• Designed, built, and maintained production servers and RAID storage system and diagnosed hardware and software problems and provided solution to them.
• Performing kernel and database configuration optimization such dat it limits me/O resource utilization on disks.
• Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.

Environment: s: Red Hat Linux 3.x/4.x/5.x, CentOS 4.6/4.7/5, VMware, Apache 2.0, NFS, Software RAID, DNS Server, PostgreSQL, MySQL, Nagios.