PROFESSIONAL SUMMARY:

• DevOps Professional having 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.
• Good working knowledge with Azure, GCP, PCF and Rackspace cloud services - Cloud Sites, Servers and Cloud Files.
• Automated deployment operations using various tools in DevOps, Configuration Management, Cloud Infrastructure using Jenkins, Ant, Maven, Chef, Puppet, Nagios, Ansible, SVN, GIT, Tomcat, Linux etc.
• Experienced in designing and deploying fault tolerant scalable applications on Amazon Web Services (AWS) using EC2 Instance, Jenkins EC2 Plugin, EC2 instances for TEST & QA, ELB, EBS, S3, SNS, SQS, RDS, IAM, Auto Scaling, Cloud Formation & VPC Services.
• Converted existing AWS infrastructure to Serverless architecture with AWS Lambda, Kinesis and deployed with Terraform and AWS CloudFormation.
• 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.
• Monitored and dealt the cloud infrastructure within AWS and Google cloud infrastructure.
• Composed GCP Cloud Formation layouts to make exclusively estimated VPC, subnets, NAT to guarantee effective arrangement of Web applications and database formats.
• Implemented a Continuous Delivery pipeline with Docker, Jenkins, GitHub and GCP AMI's, whenever a new GitHub branch gets started, Jenkins, our CI server, automatically attempts to build a new Docker container from it.
• Used GCP App Engine for deploying and scaling web applications and services developed with Java
• Created scripts using Azure PowerShell during automation and build process, and good working experience in Azure Logic apps, Service Bus and SQL Database.
• Deployed Azure IaaS virtual machines (VMs) and Cloud services (PaaS role instances) into secure VNets and subnets.
• Strong Experience on Administration and Troubleshooting of Azure IAAS Components (VM, Storage, VNET, OMS, NSG, Site to Site VPN, RBAC, Load Balancers, Availability Sets).
• 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.
• Extensive proficiency in supporting Production Cloud environments OpenStack, AWS, Azure, and VMWare as well as traditional managed hosted environments.
• Worked with Version control tools Subversion/Git Branching, Merge Strategies, migrated projects from Subversion repositories to GitHub Enterprise repositories through Team Foundation server (TFS).
• In-depth understanding of the principles and best practices of Software Configuration Management (SCM) processes, which include compiling, packaging, deploying and application configurations.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with build utilities like Maven and ANT for building of jar, war and ear files.
• Implemented zero downtime deployment process in WebLogic using python and shell script and automated it using Jenkins.
• Experienced in using Tomcat, JBOSS, WebLogic and WebSphere Application servers for deployments.
• 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.
• Deployed Puppet, Puppet Dashboard and Puppet DB for configuration management to existing infrastructure and monitor scalable infrastructure on AWS & configuration management using Puppet and Ansible.
• Implemented and designed AWS virtual servers using Ansible roles, ensuring deployment of web applications.
• Developed Ansible scripts for an automated server provisioning and Docker images, reducing the time between provisioning and deployment from over 3 hours to less than 10 minutes.
• Experience in working with GIT to store the code and integrated it to Ansible Tower to deploy the Playbooks.
• Utilized Chef to provision servers for quick deployment of application, web, and database servers.
• Expertise in writing Chef Cookbooks, Recipes, Attributes, Templates, Roles and Environments.
• Experienced 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 and dev-environment needs.
• Experienced in integrating Docker Swarm into Docker Engine to orchestrate and schedule containers.
• Used Kubernetes to deploy scale, load balance, and manage Docker containers with multiple namespace versions.
• Experienced in using Kubernetes for container orchestration that runs Docker containerized applications in a cluster of EC2 instances in Linux Env. Configured their Kubernetes cluster and supported it running on the top of the CoreOS.
• Lead an active integration effort for building out PaaS with Red Hat OpenShift, Dockers and worked with developers on application containerization effort.
• Expert in OpenShift/Kubernetes and complete end to end product life cycle along with containerizing several software stacks including big data technologies.
• 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.
• Worked on Apache Zookeeper which is used to provide a distributed configuration service, synchronization service.
• Used JIRA as a Change Management/ Work Management/ SCRUM Agile Tool.
• Maintained a seamless communication between clustered services on VMs and containers, with proxy server and Load Balancer.
• 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.
• Configured dashboards in Elastic, Logstash & Kibana (ELK). Used ELK to setup real time logging and analytics for Continuous delivery pipelines & applications.
• 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 Linux Servers.
• 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, New Relic.

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.
• Installed, configured and setting up databases in AWS using RDS, Storage using S3 buckets and configuring instance backups to S3 buckets.
• 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.
• Used AWS CloudFront (Content delivery network) to deliver content from AWS edge locations by drastically improving user experience and latency.
• Used AWS lambda to run servers without managing them and to trigger to run code by S3 and SNS.
• Used CloudWatch to collect and monitor log files and created alarms in conjunction with SNS to notify the resource usage and billing events.
• 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).
• Worked on Configuration of Internal load balancer, load balanced sets and Azure Traffic manager.
• Experience of using Azure backups and Recovery Vault to migrate on premise to Windows Azure in DR on cloud.
• Used Azure Web Role for deploying and scaling web applications and services developed with java, PHP, Node.Js, Python, Ruby and Docker on server such as Apache.
• Worked on writing the ansible playbooks for provisioning the Azure VM's using the resource manager and ansible python SDK.
• Involved in DevOps automation processes for build and deploy systems for legacy and microservices projects. used Microsoft Team Foundation Sever (TFS) for code repository, task assignments, and project backlog plan and version control.
• Involved in the migration of Team Foundation Server to Visual Studio Team Services (VSTS) and setup and configured automated builds and release in VSTS pipeline.
• 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.
• Written shell-scripts to detach volumes of EBS that are not encrypted, forcing users to use only encrypted drives.
• Integrated SonarQube with Jenkins for inspection of code quality and analysis with SonarQube scanner for Maven.
• Used ANT and MAVEN as a build tools on java projects for the development of build artifacts on the source code.
• Designed the project workflows/pipelines using Jenkins for CI and CD into different Web/Application Servers.
• 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 tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Managed the configurations of multiple servers using Ansible.
• 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 releases of Helm packages. Scheduled, deployed and managed Container replicas onto a node cluster using Kubernetes.
• Worked on OpenShift to create reusable templates for components of system, and iteratively deploy them over time.
• Experienced with the OpenShift Enterprise which allows developers to quickly develop, host and scale applications in a self-manage cloud environment.
• Identified and helped in setting up the test environments in containers for unit/integration tests for QA teams.
• Experience in Installation, Configuration and designing of Active Directory, GPO, LDAP, Group Policy, DNS, DHCP, FTP in windows server 2008 R2 and 2012.
• 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, New York, NY

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 cloud migration strategies, defining delivery architecture, creating the migration plans, designing the orchestration plans and more. Assisted in creating and executing the migration run books.
• Had an extensive role in On-Premises Mid-tier application migrations to the Cloud lift and shift AWS infrastructure.
• 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 configured Elasticsearch, Logstash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with AWS Lambda and CloudWatch. Then stored those logs and metrics in S3 bucket using Lambda function.
• Developed web service using Windows Communication Foundation and .Net to receive and process XML files and deploy on Cloud Service on Microsoft Azure.
• Experience in migrating on premise to Windows Azure using Azure Site Recovery and Azure backups.
• Provided high availability for IaaS VMs and PaaS role instances for access from other services in the VNet with Azure Internal Load Balancer.
• Experience in Microsoft Azure on azure resources like cloud services, storage accounts, service buses, event hubs, app service plans and Azure active directory and SQL Azure.
• Implemented high availability with Azure Classic and Azure Resource Manager deployment models.
• 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, Nexus and other build tools with Jenkins to automate the builds and Continuous Integration process.
• Used Red Hat OpenShift to improve application security by putting admin consoles on different Docker containers accessible only from unusual port numbers.
• Currently leads an active integration effort for building out PaaS with Red Hat OpenShift, Dockers and working with developers on application containerization effort.
• 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, templates, attributes.
• Developed several Ansible playbooks for the automation that was defined through tasks using YAML format and run Ansible Scripts 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 and Linux environment.
• 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.
• Involved in designing and deploying a large application utilizing almost all the AWS stack (Including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM) focusing on high availability, fault tolerance, and auto-scaling in AWS Cloud Formation.
• Implemented, deployed and maintained cloud infrastructure in AWS using CloudFormation.
• Automated backups by Shell for Linux to transfer data in S3 bucket.
• 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.
• 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.
• 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: 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 Tomcat.
• Created branches and managed the source code for various applications in GIT.
• Wrote json templates for cloud formation and Ruby scripts for chef automation and contributing to our repository on GitHub (sub version control).
• 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.
• 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.
• Implemented Infrastructure automation through Puppet, for auto provisioning, code deployments, software installation and configuration updates.
• 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 and shell Scripts, Puppet, XML, UNIX.

System Engineer

Confidential

Responsibilities:

• 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 enterprise systems including 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.
• Troubleshot network issues between Distributed vSwitch and Layer 2 switches and resolved slow performance between SAN network and VM networks.
• 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.
• Designed Puppet Modules to manage configurations and automate installation process.
• 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 of Linux/UNIX and Windows Servers.
• Involved in installation, configuration and maintenance of Apache Tomcat, Web Sphere and JBoss servers in AIX and Linux environment.
• 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.
• 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.
• Resolved system errors, crashes, disk space problems, huge file sizes, and file system full 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 system troubleshooting skills.
• Experience in monitoring the availability & performance of RedHat Linux Servers through tools like MPstat, VMstat, IOstat, NETstat and NFSstat.
• 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 on LINUX, windows file systems using Veritas Netback up.

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