DINESH G

DevOps & AWS Engineer

Contact: 860-***-****

Email: adg6ge@r.postjobfree.com

SUMMARY

* ***** ** ** ********** in infrastructure automation, code migration, and deploying instances in cloud environments, data centers; mostly involved in the areas of Linux/Windows Administration, Build and Release Management, AWS/Azure, CI/CD Lifecycle.

PROFESSIONAL SUMMARY

●Experience in Continuous Integration (CI) and Continuous Delivery (CD) in Agile, Scrum and Waterfall methodologies with thorough knowledge on each phase of SDLC (Software Development Life Cycle).

●Strong Experience in setting up enterprise infrastructure on AWS platform and In-depth knowledge in designing highly available, fault tolerant, scalable systems like EC2, S3, EBS, EMR, ECS, EKS, Kinesis, VPC, ELB, AMI, SNS, SQS, RDS, IAM, Lambda, Route 53, Auto scaling, Load Balancing, CloudFront, Cloud Watch, Cloud Trail, Cloud Formation, Terraform, OpsWorks, NAT Gateways, Subnets, Security Groups and NACL's.

●Ensure data integrity and data security on AWS technology by implementing AWS best Nagios practices.

●Experience in Converting existing AWS infrastructure to Server less architecture (AWS Lambda, Kinesis), deploying via Terraform and AWS Cloud Formation.

●Experienced with event-driven and scheduled AWS Lambda functions to trigger various AWS resources and worked on Lambda, for triggering events with cloud watch using Lambda functions.

●Used AWS cloud services to launch Linux and Windows machines, created security groups and wrote basic PowerShell scripts to take backups and mount network shared drives.

●Familiar with concepts of MS Azure, and OpenStack Cloud based technologies.

●Expertise in Architecting and Implementing Azure Service Offering, such as Azure cloud services, Azure storage, IIS, Azure Active Directory (AD), Azure Resource Manager (ARM), Azure Storage, Azure Blob Storage, Azure VMs, SQL Database, Azure Functions, Azure Service Fabric, Azure Monitor, and Azure Service Bus.

●Experience in migrating on-premises applications to Azure and configured VNETs and subnets as per the project requirement also performed PowerShell scripting to do Patching, Imaging, and Deploymen ts in Azure .

●Hands on experience on Backup and restore Azure services and in Design and configure Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, security policies and routing. Azure cloud services, Blob storage, Active directory, Azure Service Bus, Cosmos DB.

●Expertise in Azure Scalability and Azure Availability - Build VMs availability sets using the Azure portal to provide resiliency for IaaS based solution and Virtual Machine Scale Sets (VMSS) using Azure Resource Manager (ARM) to manage network traffic.

●Knowledge of Azure Site Recovery and Azure Backup Installed and Configured the Azure Backup agent and virtual machine backup, Enabled Azure Virtual machine backup from the Vault and configured the Azure Site Recovery (ASR).

●Implemented a CI/CD pipeline using Azure DevOps(VSTS,TFS) in both cloud and on-premises with GIT, MS Build, Docker, Maven along with Jenkins plugins.

●Designed Network Security Groups (NSGs) to control inbound and outbound access to network interfaces (NICs), VMs and subnets.

●Created tagging standards for proper identification and ownership of EC2 instances and other AWS resources.

●Developed AWS Cloud Formation templates to create custom sized VPC, subnets, EC2 instances, ELB, Security Groups.

●Expertise in working on Multiple AWS instances set the security groups, Elastic Load Balancer and AMIs, Auto Scaling to design cost effective, fault tolerant and highly available systems.

●Experience in performance tuning and query optimization in AWS Redshift.

●Worked on AWS Cloud Formation, Open Stack and Terraform API to create infrastructure on AWS as a code.

●Managed different infrastructure resources, like physical machines, VMs and even RKT containers using Terraform It supports different Cloud service providers like AWS.

●Expertise in EC2 Backup methods, ELB (classic and application) security and application logging using AWS Cloud Trail integration with Kibana and Elasticsearch.

●Extensively involved in infrastructure as code, execution plans, resource graph and change automation using Terraform, Managed AWS infrastructure and Azure resource management as code using Terraform, Expertise in writing new plugins to support new functionality in Terraform.

●Developed and written event trigger using YAML for the Lambda as and when data received from Amazon Kinesis Stream.

●Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using Puppet.

●Familiarity with Kubernetes, Mesos, Docker Swarm.

●Developed microservice onboarding tools leveraging Python and Jenkins allowing for easy creation and maintenance of build jobs and Kubernetes, Docker Swarm deploy and services.

●Experienced in Agile development methodology including SCRUM Framework.

●Experience in writing Shell, Python, PowerShell, YAML, Ruby and Perl scripts to automate the deployments.

●Experienced with deployment automation of all the microservices to pull images from the private Docker Registry and deploy to Docker swarm cluster using Ansible.

●Configured third party SSL certificates on Splunk web for better security and worked on other secured scenarios as well and Used Nagios and Splunk to analyze, monitor and log management.

●Worked extensively on automation engines using Ansible that automates cloud provisioning, configuration management, application deployment, intra-service orchestration and many other IT needs.

●Puppet server experience and ability to build it from scratch, very clear understanding puppet control repo and puppet module repo code to sync via R10K, agent, Puppet DB and relevant services and all levels of troubleshooting related to client and server.

●Installed, configured and administered Continuous Integration tools such as Jenkins, Bamboo and Team city for End-to-End automation for all Build and deployments.

●Expertise in Jenkins deployment jobs and deploy application POM/ZAR via Nexus Sonatype, Docker containers services.

●Designed a microservice application allowing API access to manage and monitor microservices at runtime using Python, Docker, RKT, and GitHub.

●Experience in writing builds using Apache MAVEN, Apache ANT, and Gradle as build tools for the building of deployable artifacts from source code.

●Knowledge of ETL tools, including Apache Nifi.

●Extensive experience with build tools for writing scripts build.xml, pom.xml and build Gradle respectively.

●Experience in installation and configuration of WebSphere Application Server, Wily and Apigee from scratch for test and production environments.

●Experience in working with Selenium IDE and Selenium Web Driver using testing.

●Executed Selenium tests for automation testing of the web application using Selenium Web Driver.

● Used Maven to build and run the Selenium automation framework. Once the script got over, used to send the automation reports over email.

●Experienced in branching, Merging, Labeling/Tagging, Integrating and maintaining the version control across the environments using SCM tools like SVN, GIT, GitHub, Bitbucket to track changes made by different people in source code.

●Created and wrote PowerShell, Python and Shell scripts for setting up baseline, branching, merging and automation processes across the environments using SCM tools like GIT, SVN on Linux and Windows platforms.

●Installed and performed troubleshooting of Atlassian Jira, Crucible code review tool including customizing the workflows and e-mail notification features, worked on automation testing Tools like selenium and Junit.

●Experienced in deploying the code through web application servers like WAS, Datapower, WebLogic, WebSphere Commerce Server, JBOSS and Apache Tomcat.

●Proficient in working with Bug Tracking Tools JIRA, Rally, Remedy and Service now.

●Installing, configuring and managing the databases like MySQL, NoSQL, DB2, PostgreSQL, MongoDB, DynamoDB, and Cassandra DB .

●Knowledge in using different RDBMS like Microsoft SQL Server, Oracle 10g, 11g, MySQL, MSSQL, MongoDB.

●Experienced in Configuring Servers to provide Networking Services, including HTTP/HTTPS, FTP, SSH, DNS and LDAP.

●Configuring and installing VMWare, Virtual Box, and Virtual Center Servers and VMWare vCenter appliances.

●Experienced in Administration of Production, Development and Test environments carrying different operating system platforms like Windows, Ubuntu, Red Hat Linux, UNIX.

●Managed environments DEV, QA, UAT and PROD for various releases and designed instance strategies.

●Provided production support in an on-call in a 24x7 environment.

●Good communication skills, Excellent Customer handling capabilities and a very good team player.

TECHNICAL SKILLS

Operating System

Windows,AIX, Unix, Linux (RHEL, Centos, Ubuntu)

Virtualization Tools

VMware vSphere, Oracle Virtual box, VMware Workstation

Cloud Infrastructure

AWS, Azure, OpenStack

Iac

Terraform

Version Control Tools

GIT, GitHub, Bitbucket, Subversion.

Build Tools

Maven, ANT, Gradle

CI/CD Tools

Jenkins, TeamCity, Bamboo, UDeploy / Ansible, Chef, Puppet, SaltStack, Octopus

Server

TFS (Team Foundation Server)

Logging & Monitoring Tools

Nagios, Splunk, Zabbix, New Relic, ELK Stack

Messaging Tools

RabbitMQ, Kafka

Repositories

Nexus Sonatype, jFrog Artifactory

Containerization

Docker, Docker Swarm, Kubernetes, Openshift

Bug Tracking Tools

JIRA, Rally, Remedy and IBM ClearQuest

Programming & Scripting

PL/SQL, XML, HTML, Shell, Bash, Python, PowerShell, Perl, groovy, Ruby, YAML

Databases

Oracle, MySQL, SQL Server, MSSQL, MongoDB, DynamoDB

Networking Services

HTTP, FTP, SSH, TELNET, VPN, TCP/IP, DHCP, SNMP, FTP, NFS, WinSCP, SAN/NAS, RAID Levels

Web/Application Servers

JBOSS, Apache Tomcat, WebLogic, Nginx, and WebSphere.

Web Technologies

Servlets, HTML, CSS, Java Script, AngularJS, jQuery

EDUCATION

NEW ENGLAND COLLEGE, Henniker, NH 2017

Master's in Computer Information Systems

CERTIFICATIONS/LICENSES

AWS Certified Developer

PROFESSIONAL EXPERIENCE

ANTHEM, INC, Mason, OH Aug 2019 – Current

AWS DevOps Engineer

Responsibilities:

●Followed an extremely light and efficient Agile process, adapted to be most easily applied in order to deliver an end to end continuous integration/continuous delivery product in an open source environment using tools like Chef, Jenkins and Bamboo.

●Managed Ubuntu, AIX, Linux and Windows virtual servers on On-Premise and AWS EC2 using Open-Source Chef Server.

●Written and implemented the cloud formation templates (CFT's) for creating, updating and deleting the stacks on AWS.

●Responsible to Manage IAM Policies, providing access to different AWS resources, design and refine the workflows used to grant access.

●Created Snapshots and Amazon Machine Images (AMI's) of EC2 Instance and created clone's instances.

●Written Templates for AWS infrastructure as a code using Terraform to build staging and production environments.

●Extensive experience on Jenkins and Bamboo for continuous integration and end-to-end automation for all build and deployments and implemented a Continuous Delivery pipeline with Docker, Jenkins, Bitbucket and GIT.

●Performed Writing/Modifying existing scripts to automate manual jobs and monitored application, servers and database for any critical alerts.

●Installed CI/CD for building automation deployments for upgrades and installs which Jenkins and Bamboo carried out.

●Experience with creating Chef Knife, Recipes and Cookbooks to maintain chef servers, its roles and cloud resources.

●Experience in Configuration management tools like Ansible and Chef for Deployment on Multiple platforms of servers with custom scripts.

●Deployed Microservices, including provisioning AWS environments using chef cookbooks

●Created Docker images using a Docker file, worked on Docker container snapshots, removing images and managing Docker volumes.

●Worked on the creation of custom Docker container images, tagging and pushing the images and Docker consoles for maintaining the application of life cycle.

●Setup Docker to automate container deployment through Jenkins and Worked on Docker container to create Docker images for different environments.

●Created Docker-compose.yaml file templates to deploy images in Docker containers managed by Docker Swarm.

●Experience building Microservices and deploying them into Kubernetes cluster as well as Docker Swarm.

●Managed Kubernetes charts using Helm and created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and managed releases of Helm packages.

●Deployed application which is containerized using Docker onto a Kubernetes cluster which is managed by Amazon Elastic Container Service for Kubernetes (EKS). Configured ‘Kubectl’ to interact with Kubernetes infrastructure and used AWS Cloud Formation Templates (CFT) to launch a cluster of worker nodes on Amazon EC2 instances.

●Installed and configured WebSphere application server, Wily and Apigee from scratch for test and production environments.

●Have been involved in creating different Apigee API documents as part of the project requirements.

●Have used almost all the Apigee edge policies while implementing endpoints on gateway

● Experience in WebSphere Application Servers, NodeJS, Containerization, Docker containers and Microservices.

●Installed SSL certificates for different environments and updated them to SAN certificates to support LB, IDNS and resiliency setup.

●Experience in Bitbucket, Jira, Artifactory, ServiceNow, Confluence, Splunk, and Docker Containers in a large enterprise environment.

●Worked on Build and deploy applications using cutting edge technologies such as Bamboo, BitBucket, and Maven.

●Deploy releases to the production environment and help the project teams troubleshoot any issues.

●Worked on deployment plans for various platforms including WebSphere AppServer, Docker containers, DataPower, IIB, Implemented and maintained automated tools supporting DevOps processes.

●Responsible for MongoDB installation, configuration and administration.

●Worked on closely with the IT SWAT team to troubleshoot complex issues in Dev/Test/Staging environments to help project teams remove impediments.

Environment : Amazon Web Services (AWS), GIT, Bit bucket, Bamboo, Jenkins, Maven, Chef, Docker Swarm, Kubernetes, Terraform, Java, Node.js, Python, Bash, Ngnix, JIRA, UNIX/Linux Environments.

NUANCE COMMUNICATIONS, Atlanta, GA Nov 2018 – Jun 2019

Sr. AWS DevOps Engineer

Responsibilities:

●Responsible for CI/CD Automation in all categories of application development like Versioning, Building, Testing and Deployment.

●Wrote multiple cookbooks in Chef using Ruby-scripting language for various DB configurations to modularize and optimize end-product configuration, converting production support scripts to Chef Recipes.

●Migrated and Maintained build and test environments into the Cloud Infrastructure.

●Migrated a production infrastructure into an Amazon Web Services utilizing AWS Cloud formation, CodeDeploy, Chef, EBS, and OpsWorks.

●Implemented high availability with Azure Classic and Azure Resource Manager deployment models.

●Designed Network Security Groups (NSGs) to control inbound and outbound access to network interfaces (NICs), VMs and subnets by using terraform.

●Setup Azure Virtual Appliances (VMs) to meet security requirements as software based appliance functions (firewall, WAN optimization and intrusion detections).

●Deploying Windows Kubernetes (K8s) cluster with Azure Container Service (ACS) from Azure CLI and Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test and Octopus Deploy.

●Worked on Ansible to manage Web Applications, Config Files, Data Base, Commands, Users Mount Points, and Packages; Ansible to assist in building automation policies.

●Developed microservice onboarding tools leveraging Python and Jenkins allowing for easy creation and maintenance of build jobs and Kubernetes deployment and services.

●Developed web-based software in Python on Linux (Ubuntu) running on AWS using Chef, Cassandra, MongoDB, Redis, Couch Base, RabbitMQ.

●Provided implementation transition of EMR systems for providers and associated end users.

●Used CodeDeploy to automate code deployments and to run updated scripts for instances on AWS cloud and on-premise instances by eliminating the need for error-prone manual operations.

●Managed AWS CodeCommit source control service for hosting private GIT Repositories using GIT CLI.

●Responsible for integrating tools like Jenkins and TeamCity with AWS, which are used to build and test the code by using the AWS DevOps Orchestration tool, CodePipeline.

●Responsible for copying data from multiple schemas in an Oracle Source to a single Amazon RDS for Oracle target by using AWS Data Migration Service. Also, migrated data to different schemas on a target using schema transformation rules on the AWS DMS table Mappings.

●Managed the AWS Lambda Functions configuration information based on requirements and built lambda functions using Node.js, Python and Java.

●Built & uploaded deployable code in Elastic Beanstalk to automate the details of capacity provisioning, load balancing, auto scaling and application development. Also, used EBS for evaluating application health on rolling deployments.

●Wrote templates for AWS Infrastructure as a code using Terraform to build staging and production environments.

●Jenkins is set up with Selenium & integrated with cloud.

●Designed and implemented CI (Continuous Integration) system: configuring Jenkins servers, Jenkins nodes, creating required scripts (Perl & Python), and creating/configuring VMs (Windows/Linux).

●Operated on several prototype OpenShift projects involving clustered container orchestration and management.

●Worked with Nagios for Azure Active Directory & LDAP and Data consolidation for LDAP users. Monitored system performance using Nagios, maintained Nagios servers and added new services & servers .

●Configuring and maintaining Redhat OpenShift PaaS environment

●Involved working with a PaaS solution such as RedHat Openshift

●Configure GIT with Jenkins and schedule jobs using the Poll SCM option.

●Created multiple Perl, Python, PowerShell and UNIX shell Scripts for various application level tasks.

●Deploy software to Development, Quality Assurance, and Production environments using Octopus Deploy.

●Performed the deployment of Release to various QA & UAT in Linux environments.

Environment: Amazon Web Services (AWS), GIT, TFS, Jenkins, Maven, Nexus, Ansible, Chef, Terraform, Vagrant, Docker, SQL Server, Kubernetes, Java, Node.js, Python, Perl, Ruby, PowerShell, Bash, Nagios, JIRA, ELK Stack, UNIX/Linux Environments.

CANADIAN GLOBAL INFORMATION, Baltimore, MD Dec 2017 – Nov 2018

Sr. DevOps Engineer - AWS

Responsibilities:

●Responsible for providing an end-to-end solution for hosting the web application on AWS cloud with integration to S3 buckets.

●Supervised the DevOps team for infrastructure support on AWS cloud.

●Designed a highly available secure multi zone AWS cloud infrastructure utilizing Chef with AWS Cloud Formation.

●Incorporated Amazon Ops works which is a configuration management tool that uses Chef to automate the servers configured and deployed across Amazon EC2 instances.

●Responsible for managing Ubuntu, Linux and windows virtual servers on AWS EC2 instance by creating Chef Nodes through Open Source Chef Server.

●Ability to implement and deploy Azure offerings including both the IAAS and PAAS offering.

●Setup Azure Virtual Appliances (VMs) to meet security requirements as software-based appliance functions (firewall, WAN) optimization and intrusion detections.

●Experience in Azure Site Recovery and Azure Backup Installed and Configured the Azure Backup agent and virtual machine backup, Enabled Azure Virtual machine backup from the Vault and configured the Azure Site Recovery (ASR).

●Formulated in connecting continuous integration with GIT version control repository and continually built as the check-inn's come from the developer.

●Executed the automation from commit to deployment by implementing a CI/CD pipeline with the help of Jenkins and Chef.

●Implemented CI/CD pipelines involving Bitbucket, Jenkins, Docker, chef and selenium for complete automation from commit to Deployment.

●Worked with Ansible Playbooks for zero-downtime installation, upgrade, downgrade, and uninstall processes (MongoDB, Redis, and MySQL).

●Utilized New Relic as a monitoring/logging tool

●Managed our internal Configuration management, Chef, and helped with our work on integrating other CM tools such as Puppet, Ansible, and SALT into our product offerings.

●Accelerated the Chef infra maintenance including monitoring and security fix and on Chef Server backups.

●Advanced the automation for middleware installations and deployment activities by writing Chef Cookbooks and recipes.

●Automated Selenium, Cucumber test cases execution available in jira with Eclipse to Bamboo Plan execution with the help of Jira Filter.

●Implemented the automated Nagios in Ops environment for alerts, email notifications using Python script, and executed them through Chef.

Environment: GIT, TFS, Jenkins, Ansible, Chef, Selenium, Cucumber, AWS EC2, S3, Route 53, Opsworks, VPC, Elastic Block Storage RDS, Python, Cloud watch, Docker, Linux AMI, AWS Elastic Load Balanced, Vagrant, Nagios, Auto scaling groups, Nginx, Apache Tomcat, JIRA, Ubuntu, Windows server NT, Oracle server.

AMERICAN MEDICAL RESPONSE, Modesto, CA Jan 2017 – Dec 2017

DevOps Engineer – AWS

Responsibilities:

●Responsible for implementing AWS solutions and setting up the cloud infrastructure with different services like EC2, S3, VPC, ELB, EMR, AMI, Kinesis, EBS, RDS, DynamoDB, Lambda, Auto Scaling, Route53, Subnets, NACL's.

●On demand secure EMR launcher with custom spark submit steps using S3 Event, SNS, KMS and Lambda function.

●Prepared servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage on 2, 3, 4 node clusters.

●Used GIT as a source code management tool for creating the local repo, cloning the repo, adding, committing and pushing the changes in the local repo.

●Worked with build and release of Cloud based products containing Linux and Windows environment using PowerShell and Team Foundation Server.

●Involved in using Continuous Integration tools like Cruise Control, Build Forge, and Hudson.

●Well versed with administering and automation using Chef and Puppet.

●Boosted the cloud infrastructure through the development of automation software such as Opscode Chef Books.

●Advanced AWS Code Commit in the cloud environment, which is used to host secure and highly scalable GIT repositories.

●Out spaced the End-to-End solution for hosting the web application on AWS cloud with integration to S3 buckets.

●Supported the team in the migration of environment from RedHat to Centos environment.

Environment: GIT, Team Foundation Server, MS Build, Jenkins, Chef, Puppet, Python, PowerShell, Nginx server, Apache server, JIRA, ClearQuest, Bugzilla, Linux, Windows, AWS EC2, S3, CloudWatch, VPC, Elastic Load Balancer, IAM, AWS Code Commit, Dynamo Database, Hyper-V, Microsoft Azure.

ALGARYTM, Dallas, TX Jan 2016 – Jan 2017

Sr. Build & Release Engineer

Responsibilities:

●Primary responsibilities included Build and Deployment of the Java applications into different environments like Dev, Prod and QA.

●Used sub modules in the GIT and educated users working with submodules in GIT.

●Created continuous integration/deployment with Application Release Automation (Nolio / UrbanCode) by integrating and improving client's existing infrastructure and build pipelines, largely aiming for autonomous automation when possible.

●Installed and configured management tool Puppet across RHEL environment.

●Used Puppet to manage Web Applications, Config Files, Database, Commands, Users Mount Points, packages.

●Migrated VMWARE VMs to AWS and Managed Services like EC2, S3 Bucket, ELB and EBS with Puppet modules/manifests.

●Defined dependencies and Plug-ins in Maven pom.xml for various activities and integrated Maven with GIT to manage and deploy project related tags.

●Involved in migration and upgrade of Bamboo server, Artifactory & Git server.

●Addressed software configuration management issues in coordination with the development team.

●Used configuration management tools Chef, Puppet, and CF Engine.

●Manage deployment automation using Puppet, Roles, and Profiles, Collective, hiera and Custom Puppet modules.

Environment: Java, TFS, CVS, GIT, Subversion, Maven, Jenkins, Bamboo, Artifactory, Perl, Bash, Python, Flask, Oracle, Chef, Puppet, uDeploy, WebLogic, JBoss, Splunk, Nagios, Linux, Solaris, AIX.

SOCTRONICS TECHNOLOGIES, Hyderabad, India Apr 2014 – Jul 2015

Build & Release Engineer

Responsibilities:

●Build Engineer for the Client UNIX and Java applications.

●Setup different environments for build and Release into Development, Test, Pre-production and Production.

●Designed effective planning for SCM and implemented the setup of the Environment.

●Initially used Ant for writing build.xml for building Java/J2ee applications and later migrated to Maven.

●Defined dependencies and Plug-ins in Maven POM.xml for various activities and integrated Maven with SVN to manage and deploy project related tags.

●Designed and implemented Continuous Integration process using tools like Jenkins with approval from development and other affected teams.

●Deployed UNIX scripts, Auto scripts and database scripts on respective servers for all five-test environments using ChangeMan DS deployment utilities.

●Installed and Configured WebSphere Application server with LDAP security.

●Set up automated deployment on JBOSS and WebSphere application servers using Python and shell scripts. Maintained and administered RHEL, Solaris and SUSE Servers.

●Configure kick-start server and updating/applying patches to the servers using Red Hat Satellite Server.

●Planned and performed the upgrades to Linux (RHEL, SUSE, CENTOS) operating systems and hardware maintenance like changing memory modules, replacing disk drives.

●Set up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.

●Worked on implementation and troubleshooting of network services like NFS, FTP, NTP, Telnet, SSH.

●Wrote shell scripts for automation of daily tasks, documenting the changes that happen in the environment.

●Wrote and implemented a Perl script to modify LDAP database.

●Wrote Perl scripts for the automation of daily support tasks.

Environment: Java, Subversion (SVN), TFS, Ant, Maven, Jenkins, Nexus, Puppet, Python, Perl, Shell, Oracle, Red Hat Linux, Solaris, SUSE, SSH, Telnet, JBOSS, WebSphere, LDAP, WebLogic, Nagios, Linux /UNIX, RHEL, VMWare.

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