SUMMARY

• DevOps Professional having around 8+ years of experience in IT comprising of Designing, Development, Integration of DevOps tool stack, Cloud Automation, Configuration Management, Provisioning, Build and Release, Continuous Deployment, Delivery management and Cloud Migration.
• Highly efficient in maintaining Continuous Integration, Continuous Delivery and Continuous Deployment in multiple environments like Dev, Test, Stage and Prod.
• Proficient in DevOps tools like Git, Jenkins, Maven, Ant, Docker, Chef, Ansible, Puppet, Splunk, NewRelic, Vagrant, JBoss and Apache Tomcat.
• Strong Experience in AWS platform and its dimensions of scalability including EC2, S3, EBS, VPC, ELB, AMI, SNS, RDS, IAM, Route 53, Auto scaling, Cloud Front, Cloud Watch, Cloud Trail, Cloud Formation and Security Groups.
• Built servers using AWS, importing volumes, launching EC2, RDS, creating security groups, load balancers (ELBs) in the defined virtual private connection and open - stack for the provision of new machines for clients.
• Converted existing AWS infrastructure to Serverless architecture with AWS Lambda, Kinesis and deployed with Terraform and AWS CloudFormation.
• Developed Templates for AWS infrastructure as a code using Terraform to build staging and production environments.
• Designing and distribution of data across all the nodes and clusters on different availability zones in AWS Redshift and experience in automating the infrastructure using Terraform in AWS console.
• Experienced in dealing with Microsoft Azure IaaS - Virtual Networks, Virtual Machines, Cloud Services, Resource Groups, Express Route, Traffic Manager, VPN, Load Balancing, Application Gateways and Auto-Scaling.
• Created scripts using Azure PowerShell during automation and build process, and good working experience in Azure Logic apps, Service Bus and SQL Database.
• Strong Experience on Administration and Troubleshooting of Azure IAAS Components (VM, Storage, VNET, OMS, NSG, Site to Site VPN, RBAC, Load Balancers, Availability Sets).
• Designed User Defined Routes with custom route tables for specific cases to force tunneling to the Internet via on-premise network and control use of virtual appliances in the customer's Azure environment.
• Extensive proficiency in supporting Production Cloud environments OpenStack, AWS, Azure, and VMWare as well as traditional managed hosted environments.
• Experienced in implementation and maintenance of SCM branching and Build/Release strategies using GIT and Subversion (SVN), involving periodic archiving and storage of the source code for disaster recovery.
• Worked with Version control tools Subversion/Git Branching, Merge Strategies, migrated projects from Subversion repositories to GitHub Enterprise repositories through Team Foundation server (TFS).
• Experienced in branching, tagging and maintaining the version control and source code management tools like GIT(GitHub/GitLab), SVN (subversion) on Linux and Windows platforms.
• In-depth understanding of the principles and best practices of Software Configuration Management (SCM) processes, which include compiling, packaging, deploying and application configurations.
• Experienced in using build tools Maven and Ant for building deployable artifacts such as WAR & EAR from source code.
• Experienced in using Tomcat, JBOSS, WebLogic and WebSphere Application servers for deployments.
• Built end to end CI/CD Pipelines in Jenkins integrating SCM, compiling source code, performing tests and pushing build artifacts to JFrog Artifactory and Nexus.
• Experienced in automating configuration of hosted environments including Database Administration and scaling an application and support load changes using Ansible and Chef.
• Experience in configuring and managing Puppet master server and experience in updating and creating modules and pushing them to puppet clients.
• Implemented and designed AWS virtual servers using Ansible roles, ensuring deployment of web applications.
• Worked with Chef Enterprise Hosted as well as On-Premise, Installed Workstation, Bootstrapped Nodes, Wrote Recipes and Cookbooks and uploaded them to Chef-server, Managed On-site OS/Applications/Services/Packages using Chef as well as AWS for EC2/S3/Route53 & ELB with Chef Cookbooks. Installed Chef-Server Enterprise On-Premise/WorkStation/ Bootstrapped the Nodes using Knife.
• Expertise in writing Chef Cookbooks, Recipes, Attributes, Templates, Roles and Environments.
• 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 test environments and dev-environment needs.
• Experienced in integrating Docker Swarm into Docker Engine to orchestrate and schedule containers.
• Used Kubernetes to deploy scale, load balance, scale and manage Docker containers with multiplenamespace versions.
• Experience using Kubernetes for container orchestration that runs Docker containerized applications in a cluster of EC2 instances in Linux Environment. Configured their Kubernetes cluster and supported it running on the top of the CoreOS.
• Worked on OpenShift to support automatic high availability, load balancing, health checking, and failover.
• Expertise in working with different Bug Tracking Tools like JIRA, ServiceNow, ClearQuest and HP Quality Center.
• Knowledge of using Routed Protocols like FTP, SFTP, SSH, HTTP, HTTPS and Direct connect
• Extensively worked on monitoring servers using Splunk, NewRelic, Nagios, Cloud watch and ELK Stack.
• Worked on Querying RDBMSs like Oracle, MySQL and SQL Server.
• Installed and Deployed Red Hat Enterprise Linux, CentOS and installation of packages and patches for Red Hat Linux Servers.
• Ability to identify network issues and analyze network traffic using Snoop, Wireshark and Tcpdump.
• Experienced in using Integration/Unit Test and Code Quality/Analysis tools like JUnit and Selenium.
• Ability to write scripts in Bash/Shell, PERL, Ruby and Python scripting languages.

TECHNICAL SKILLS

Linux Distributions: RedHat, Ubuntu, CentOS 6.x,7.x

Operating Systems: Windows 2003/2008, UNIX, Linux, Ubuntu, RHEL, Debian

Continuous Integration Tools: Build Master, TeamCity, Bamboo, Jenkins

Configuration Management Tools: Ansible, Chef, Puppet, Vagrant, Terraform

Containerization Tools: Docker, Docker Swarm, Kubernetes, OpenShift

Version Control Tools: Subversion(SVN), GitHub, CVS, GitLab, Bitbucket

Build Tools: Gradle, Ant, Maven

Databases: Oracle 11g/12c, MS SQL Servers, MySQL, Mongo DB, Dynamo DB, PostgreSQL

Bug/ Ticket Tracking Tools: JIRA, Rally, Remedy, Bugzilla

Cloud Platform: AWS, Open Stack, MS Azure, Google cloud(GCE)

Testing Tools: Selenium, Junit, Cucumber

Repository Management tools: Artifactory, Nexus, Docker Hub

Monitoring Tools: Nagios, ELK Stack, Datadog, Splunk, NewRelic

Application Server: JBoss EAP 6.x/7.x, JBoss Fuse 6.x, JBoss AMQ 6.x, 7, Apache HTTPD, Apache Tomcat, Web Sphere, Web Logic

Coding Languages: Java, Python, Ruby, PL/SQL.

Scripting Languages: Shell scripting, Perl, PHP, Bash, Java Script, NodeJS, JSON

Web Technologies: HTML, CSS, HTTP, Bootstrap, Xml and PHP

Other tools: TFS, Confluence, RabbitMQ, HipChat

PROFESSIONAL EXPERIENCE

Sr. DevOps/Cloud Automation Engineer

Confidential, St. Louis, MO

Responsibilities:

• Configured AWS stack to AMI management, Elastic Load balancing, Auto Scaling, CloudWatch, EC2, EBS, IAM, Route53, S3, RDS, CloudFormation.
• Created new users and groups using AWS Identity and Access Management (IAM), utilized special Security groups, IAM roles, and Authorized and edited policies for different dev and Prod users.
• Provisioned EC2 instances, configured auto scaling and defined CloudFormation templates using Ansible.
• Installed, configured and managed the ELK for log management within EC2 and Elastic Load balancer.
• Worked in building new environments by creating VMs, deploying windows operating system and then installing platform pre-requirements, deploying applications and configuring security.
• Assisted in deploying applications on multiple web servers and maintained Load balancing, high availability and fail over functionality.
• Developed web service using Windows Communication Foundation and .Net to receive and process XML files and deploy on Cloud Service on Microsoft Azure.
• Used AWS Beanstalk for deploying and scaling web applications and services developed with Java, PHP, Node.js, Python, Ruby and Docker on familiar servers such as Apache Tomcat and IIS.
• Deployed and provisioned a web server on Amazon Web Services (AWS), using Terraform.
• UsedAWSCloudFront(Content delivery network) to deliver content fromAWSedge locations by drastically improving user experience and latency.
• UsedCloudWatchto collect and monitor log files and created alarms in conjunction withSNSto notify the resource usage and billing events.
• Worked on Configuration of Internal load balancer, load balanced sets and Azure Traffic manager.
• Hands on experience of the Azure Operations dealing with IAAS infrastructure (VMs, Virtual Networking, Azure services, Website Deployments) and deploying applications as PAAS (Websites, Web roles and worker roles).
• Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, security policies and routing.
• Designed, configured and deployed Microsoft Azure for a multitude of applications utilizing the Azure (Including Compute, Web & Mobile, Blobs, ADF, Resource Groups, Azure SQL, Cloud Services, and ARM) adhering to the SLA by placing them in Availability Sets and scaling them using VMSS (Scale Sets).
• Azures AD - Implemented Azure AD using AD connect, configured SSO and multifactor Authentication. Also configured SSO from Window 10 based computer which is joined to Azure AD. Implemented and managed AD synchronization.
• Worked on Azure AD connect to sync on-premises AD user data, groups and organizations to Azure AD and troubleshoot Azure services sync with on-premise AD and resync using the Azure tools.
• Involved in DevOps automation processes for build and deploy systems for legacy and microservices projects.
• Setup Git revision control system on Atlassian Stash and local development environments. Managed and administered multiple instances of GIT, including build server and operating environment.
• Integrated SonarQube with Jenkins for continuous inspection of code quality and analysis with SonarQube scanner for Maven.
• Implemented docker-maven-plugin in Maven POM to build docker images for all microservices and later used Docker file to build the docker images from the java jar files.
• Developed CI/CD system with Jenkins on Kubernetes container environment, using Kubernetes and Docker for the CI/CD system to build, test and deploy.
• Worked in setting up the Chef Repository, Chef Workstations and Chef Nodes for Configuration Management of servers in various environments.
• Written Chef Cookbooks using Ruby for DB configurations to modularize and optimize product configuration, converting production support scripts to Chef Recipes and AWS server provisioning using Chef Recipes.
• Hands-on experience on Ansible and Ansible Tower (Versions 1.8 & 2.0 Tower version 2.1) as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Used Ansibleto manage Web applications, Environments configuration Files, Users, Mount points and Packages.
• Used Ansible for deployment, automation and for installing/upgrading dcos, ceph cluster and also built test code using Python to test the Ansible playbooks and infrastructure code functionality.
• Created Docker images and linking of Docker containers for secured way of data transfer and handling images primarily for middleware installations and domain configurations.
• Used Docker for container snapshots, attaching to a running container, removing images, managing directory structures and managing containers in Docker registry
• Implemented Kubernetes to manage Containerized applications using Nodes, Services and deployed application Containers as PODS
• Created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and Managed releases of Helm packages. Scheduled, deployed and managed Container replicas onto a node cluster using Kubernetes.
• Worked in OpenShift to create reusable templates for components of system, and iteratively deploy them over time.
• Identified and helped in setting up the test environments in containers for unit/integration tests for QA teams.
• Worked with monitoring tools such as Splunk, Log stash, Cloud Watch and Nagios.
• Engineered Splunk to build, configure and maintain heterogeneous environments and have in-depth knowledge of log analysis generated by various systems including security products.
• Strong use of Shell scripting languages including BASH for Linux and Mac Platforms and PowerShell for Windows systems.

Environment: Amazon Web Services (AWS), IAM, Route53, S3, ELB, RDS, Security Groups, Cloud Watch, Elastic Cluster, RedShift, Elastic search, ELK Stack, uDeploy, Logstash, Subversion, Github, Jenkins, Ansible, Chef, Maven, Python, Ruby, Shell Scripting, Terraform, SonarQube, JaCoCo, Docker Swarm, Kubernetes.

Sr. DevOps/AWS Engineer

Confidential

Responsibilities:

• Setup and built AWS infrastructure various resources like VPC EC2, S3, IAM, EBS, Security Group, Auto Scaling, and RDS in Cloud Formation JSON templates.
• Leveraged AWS cloud services such as EC2, auto-scaling and VPC to build secured, highly scalable and flexible systems to balance load.
• Succeeded in eliminating unnecessary and expensive complexities in the company by using Amazon DynamoDB configuration for a two - tier web application in AWS in which, the application required complex queries and table joins, thus accelerating time to the market by 7%.
• Involved in creating cloudmigrationstrategies, defining delivery architecture, creating themigration plans, designing the orchestration plans and more. Assisted in creating and executing themigrationrun books.
• Had an extensive role in On-Premises Mid-tier applicationmigrationsto the Cloud lift and shift AWSinfrastructure.
• Developed and managed cloud VMs with AWS EC2 command line clients and management console. Implemented DNS service through Route 53 on ELBs to achieve secured connection via https.
• Deployed and configuredElasticsearch,LogstashandKibana (ELK)for log analytics, full text search, application monitoring in integration withAWSLambdaandCloudWatch. Then stored those logs and metrics in S3 bucket using Lambda function.
• Implemented and have set up the AWS security groups for AWS Instances on AWS Environment.
• Written Terraform templates, Chef Recipes and pushed them into Chef Server for configuring EC2 Instances, and deployed code in to the required environments using AWS Code Deploy.
• Worked on Terraform, a tool for building, changing and versioning infrastructure safely and efficiently.
• Developed, built and deployed scripts using Gradle and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Integrated Maven, GIT, Nexus and other build tools with Jenkins to automate the builds and Continuous Integration process.
• Established Continuous Integration (CI) practices and standards with JIRA, Jenkins and Continuous Delivery(CD) through Chef.
• Managed the configurations of all the servers using Chef, configured Jenkins builds for continuous integration and delivery. Automated web server content deployments via shell scripts.
• Used Ruby scripting on Chef Automation for creating cookbooks comprising all resources, data bags, templates, attributes.
• Developed several Ansibleplaybooks for the automation that was defined through tasks using YAML format and run AnsibleScripts to provision Dev servers.
• Hands on experience on orchestration and cluster containers to address load balancing, scaling, failover and scheduling using Docker.
• Scheduled the Linux CRON jobs and Jenkins jobs for build automation. Developed Perl and Shell Scripts for automation of the build and release process.
• Worked on the Installation, Configuration and Maintenance of Apache Tomcat, Web Sphere and JBoss servers in AIX andLinuxenvironment.
• Maintained JIRA for tracking and updating project defects and tasks by ensuring successful completion of tasks in a Sprint.
• Engineered Splunk to build, configure and maintain heterogeneous environments and in-depth knowledge of log analysis generated by various systems including security products.
• Coordinated with the Development, Database Administration, QA and IT Operations teams to ensure there were no resource conflicts.
• Managed and documented all post deployment issues utilizing the Post Deployments Issue Log. Ensured all steps were successfully completed and documented their completion times and issue logs.

Environment: Amazon Web Services (AWS), IAM, Route53, S3, ELB, RDS, Security Groups, Shell Scripting, Subversion, Hudson, Jira, Bamboo, Git, Chef, Puppet, Docker, ANT, GitHub, Jenkins, Maven, Python, Nexus.

DevOps/ Cloud Engineer

Confidential, Albany, NY

Responsibilities:

• Involved in migrating Physical Linux servers and applications to cloud (AWS).
• Built servers using AWS: Importing volumes, launching EC2, RDS, S3, IAM, Route53, CodeDeploy, creating security groups, Auto-Scaling, Lambda, Load Balancers (ELB’s) in the defined Virtual Private Connection.
• Implemented, deployed and maintained cloud infrastructure in AWS using CloudFormation.
• Automated backups by Shell for Linux to transfer data in S3 bucket.
• Responsible for maintaining the user accounts (IAM), RDS, Route53, SES and SNS services in AWS cloud.
• Designed an Architectural Diagram for different applications before migrating into Amazon Cloud for flexible, cost-effective, reliable, scalable, secured and high-performance.
• Used Puppet to deploy ELK for automating Continuous Deployment (CD) and configured Slave Nodes and deployment failure reporting.
• Created and implemented branching & merging strategy with multiple branches. Used Git as source code management repository to keep track of version changes.
• Developed Puppet scripts for automating server provisioning and Docker images for isolation, reducing the time between provisioning and deployment.
• Responsible for Continuous Integration(CI) and Continuous Delivery(CD) process implementation from Dev to Eval, Eval to Pre-Prod, Pre-Prod to Production systems using Jenkins, Git, SVN and Chef automation tool.
• Integrated Jenkins with Check styles, fixed the broken builds, fixed bugs and used Junit for Code Quality Analysis
• Installed Jenkins/Plugins for GIT Repository, Setup SCM Polling for Immediate Build with Maven, Maven Repository (Nexus Artifactory) and Deployed Apps using custom Ruby modules through Puppet as a CI/CD Process.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Ant and Maven to schedule the builds.
• Developed build and deployment scripts using Ant and Maven as build tools in Jenkins to move from one environment to other environments.
• Deployed Nagios to Monitoring systems (Windows and Linux) using both active and passive checks.
• Responsible for writing number of custom plugins to monitor specific application parameters as requested by the team leads.
• Monitored the availability & performance of RedHat Linux Servers through tools like mpstat, vmstat, iostat, netstat and nfsstat.
• Performed configuration of standard Linux and network protocols such as SMTP, DHCP, DNS, LDAP, NFS, HTTP, SNMP and others.
• Worked on installing, configuring, and troubleshooting enterprise-wide Apache web servers and Tomcat application containers in a large Red Hat Linux/CentOS environment.
• Managed users and groups in Linux servers to create, modify and delete users/groups and troubleshooting user related issues.
• Scheduled the Linux Cron jobs and Jenkins jobs for build automation. Developed Perl and Shell Scripts for automation of the build and release process.

Environment: Azure, AWS, EC2, ECS, Dynamo DB, EMR, VPC, Subnets, IAM, Route53, S3, ELB, RDS, Security Groups, Auto Scaling of instances, ACL, Java, .Net, Linux, Mac OS X, Windows, Cloud Formation, Nagios, Nexus, Chef, Puppet, ANT, Maven, Docker, JBoss, CI/CD, JIRA.

Build/ Release Engineer

Confidential, Columbus, Ohio

Responsibilities:

• Installed and configured Red Hat Enterprise Linux 5.x and Centos operating systems on large distributed environment.
• Configuration management, release management and build management using JENKINS.
• Configuration and maintenance of Linux applications such as Apache, NFS, BIND, SSH and SNMP.
• Experience on working with disk formatting, creating, extending and reducing of Volume group (VG) s, Logicalvolume (LV) s, disk striping and file systems creation.
• Experience in LDAP based directories like Active Directory.
• Management, Planning, Implementation and Security of Network & Server / Linux Services.
• Components like Policy Server, Web Agent, Policy Store and Key Store.
• Created various Maven scripts to create multiple deployment profiles and deployed the applications to Apache Tomcat.
• Created branches and managed the source code for various applications in GIT.
• Created various scripts in Python and Ruby for automation of various build processes.
• Experience building large infrastructure for disaster recovery and multi data center strategy.
• Involved in building data backup/recovery strategy and plans.
• Created the Maven scripts to deploy the applications to Apache Tomcat and Web Logic Servers.
• Configured Apache webserver in the Linux AWS Cloud environment using Puppet automation.
• Worked on setting up various Jenkins jobs for build and test automation.
• Managed the source control using version controlling tool GIT.
• Implemented Infrastructure automation through Puppet, for auto provisioning, code deployments, software installation and configuration updates.
• Worked closely with Development Managers to fine tune the release process and provide feedback on process improvements.
• Redesigned and re-implemented the DNS infrastructure to reduce complexity, improve performance, simplify administration and facilitate deployment automation.
• Designed testing framework to support REST based web services API, User Interface and database code to be tested for regression as the code was deployed in each environment.
• Involved in maintaining and editing python scripts for application deployment automation. Also, involved in editing the existing ANT/MAVEN files in case of errors or changes in the project requirements.
• Experienced in troubleshooting application level issues to perform root cause analysis.
• Involved in training, design and knowledge transfer sessions.
• Worked with JIRA ticket tracking and change management as a bug tracking tool.

Environment: Subversion (SVN), Jenkins, ANT, MAVEN, CHEF, TC Server, Tomcat, Perl Scripts, Puppet, Shell Scripts, XML, UNIX, Windows.

System Engineer

Confidential

Responsibilities:

• Installed and implemented new programs, modules, servers, hardware and network equipment's when necessary to upgrade, improve resource or increase compatibility.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.
• Worked on the RHEL upgrade project that included the installation, configuration, troubleshooting and maintenance steps for Unix/Linux based servers.
• Managed and supported VMware vSphere enterprisesystemsincluding ESXI, vCenter and Snapshot.
• Applied patches and packages on Linux servers using RPM Red Hat Package Manager and YUM tools.
• Experience with formatting and mounting filesystems in Linux as well as extending the filesystems.
• Implemented Bastion Host and made the environment secured, connected to virtual machines using private IP.
• Provided technical and analytical expertise in responding to requests towards development of complex reports.
• Troubleshot network issues between Distributed vSwitch and Layer 2 switches and resolved slow performance between SAN network and VM networks.
• Identified where applications or hardware were having performance/reliability issues; analyzed and formulated a proposed method to correct those respective issues.
• Collaborated with multiple teams within and outside the organization for knowledge transition and handover.
• Managed servers both VM based and standalone and managed updates for Linux and Windows systems.
• Used Nagios to monitor Windows Applications, Unix Applications and Web applications.
• Performed security and vulnerability assessment reviews of new hardware or software processed by DDSB.
• Responsible for monitoring and managing 150-200 servers including backup, physical and virtual servers globally with secret, classified and non- classified security.
• Performed monitoring and ticketing on PRTG Network Monitor and improved the performance of data network in the region.
• Analyzed work-flows of projects and prepared BRD documents accordingly by incorporating DMAIC methodology.
• Responsible for managing and deploying Symantec Antivirus 11 on all client machines.
• Full life-cycle experience in scoping, designing, developing, deploying and supporting enterprise scale business.
• Day-to-day tasks utilizing Autotask including VM requests, Linux-based requests for CentOS, AD/Exchange, etc.

Environment: Linux, RHEL, ESXi, Vcenter, DMAIC, Windows, UNIX, shell scripting, VMware, VSphere, HAproxy, clusters, http, Nagios, HTML.

Linux System Administrator

Confidential

Responsibilities:

• Involved in installation, configuration, upgrading, patching and administration ofLinux/UNIX and Windows Servers.
• Involved in installation, tuning, troubleshooting and patching of Ubuntu and Red Hat EnterpriseLinuxservers.
• Involved in installation, configuration, and maintenance of web servers, application servers and database servers onLinuxServers.
• Involved in installation, configuration and maintenance of Apache Tomcat, Web Sphere and JBoss servers in AIX andLinuxenvironment.
• Managed the configurations of all servers using Chef, configured Jenkins builds for continuous integration and delivery. Automated web server content deployments via Shell Scripts.
• Proposed branching strategies for version control systems like GIT, Stash, GitHub and subversion.
• Administered file systems and recognized file access problems, managed Log files for troubleshooting and tracking probable errors.
• Worked in setting up SSH, SCP, SFTP and Telnet connectivity between hosts.
• Installed and configured Apache on RHEL, Integrated Apache Web Server to communicate with Web Sphere.
• Designed, Implemented, Administered and Secured Ubuntu, Centos virtual systems.
• Administered Apache web servers, MySQL databases, mail, DNS, Profited, and CVS.
• Handled NFS, Auto Mount, DNS, LDAP related issues.
• Responsible for writing Bash, Perl, Python scripts to ping the servers and add users to the boxes.
• Resolvedsystemerrors, crashes, disk space problems, huge file sizes, and filesystemfull errors.
• Worked in Virtual Environments like VMWare Suites, Virtual Box and Xen Server.
• Knowledge in DNS, NIS, NFS, FTP, Samba Server, LDAP, remote access, security management, and systemtroubleshooting skills.
• Experience in monitoring the availability & performance of RedHat Linux Servers through tools like MPstat, VMstat, IOstat, NETstat and NFSstat.
• Performed configuration of standard Linux and network protocols such as SMTP, DHCP, DNS, LDAP, NFS, SMTP, HTTP, SNMP and others.
• Managed users and groups in Linux servers to create, modify and delete users/groups and troubleshot user related issues.
• Responsible for Project Management in Linux/Unix/Windows system integration projects.
• Monitoring CPU, memory, physical disk, Hardware and Software RAID, multipath, file systems, network using NAGIOS monitoring.
• Took backups onLINUX, windows file systems using Veritas Netback up.
• Documented various regular administrative tasks and backup procedures.

Environment: RHEL 4/5.x, CentOS, Ubuntu, Shell Scripting, Bash, Git, Maven, GitHub, Puppet, Hudson, Ruby, Python, Apache Tomcat, SVN, VMWare, Nagios.