PROFESSIONAL SUMMARY:

• Over 8 years’ experience in DevOps, Build and Release Management, Continuous Integration, Continuous Deployment, Automation, Cloud Management and Linux/Unix administration.
• Excellent understanding of SDLC Methodologies like Agile, Waterfall, RUP.
• Extensively worked with Version Control Systems SVN (Subversion), GIT.
• In - depth understanding of the principles and best practices of Software Configuration Management (SCM) processes, which include Compiling, Packaging, Deploying and Application configurations.
• Integrated Eclipse IDE with different versioning tools like Subversion, GIT and CVS.
• Strong knowledge of source controller concepts like Branches, Merges and Tags.
• Expertise in using build tools like MAVEN and ANT for the building of deployable Artifacts such as War & Jar from source code. Experience in using Nexus and Artifactory Repository Managers for Maven builds. Configured and Administered Nexus Repository Manager and Jfrog Artifactory.
• Extensively worked on Hudson & Jenkins for Continuous Integration and for End to End automation for all build and deployments.
• Experience in working with continuous deployment tools like Puppet and Chef.
• Developed Puppet modules to automate deployment, configuration, and lifecycle management of key clusters.
• Wrote puppet manifests for deploying, configuring, and managing collected for metric collection and monitoring.
• Experience is using Tomcat, JBOSS, WebLogic and WebSphere Application servers for deployments.
• Automate, configure and deploy instances on AWS, Azure cloud environments.
• Transformed traditional environment to virtualized environments with, AWS-EC2, Docker, Vagrant, and VMware.
• Worked on AWS Cloud platform and its features which includes EC2, VPC, EBS, AMI, SNS, RDS, Cloud Watch, Auto scaling, Cloud Front, IAM, S3.
• Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of web applications and database templates.
• Experience setting up and maintaining auto-scaling AWS stacks (using cloud formation and scripting).
• Good knowledge on languages Python, Java, C, C++, Perl, Shell, XML and Ruby had hands on experienced.
• Experience in system monitoring with Splunk, Nagios.
• Monitored, diagnosed and performed end to end debugging of complex applications, network protocols, server nodes and application stacks.
• Expertise in working with Bug Tracking Tool like JIRA.
• Integration of Maven/Nexus, Jenkins, Urban Code Deploy with Patterns/ Release, Git, Confluence, JIRA and Cloud Foundry.
• Linux/Unix Systems Administration experience in Installation, configuration, administration, troubleshooting, tuning, security, backup/ recovery and upgrading Linux (Red Hat, SuSE, centos).
• Experience writing Shell, Ruby scripts to automate the deployments.
• Creation, Installation and administration of Red Hat Virtual machines in VMware Environment.
• Extensive PowerShell experience developing, implementing, and maintaining automation scripts to meet business needs in large scale, highly available, online production environments.
• Proficient in network-based services including DNS, DHCP, Syslog, NTP, SSH. Utilized Netstat, Dig, Traceroute, Port Forwarding, Nmap and Rsync.
• Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, TCP, UDP, SMTP, FTP).

TECHNICAL SKILLS:

Operating System: Linux (REDHAT, SUSE, CENTOS, UBUNTU), Windows Servers

DevOps: Git, GitHub, SVN, Bit Bucket, Maven, ANT, Sonar Cube, Jenkins, Jenkin Plugins, Puppet, Chef,Ansible, Docker, Vagrant, AWS, Azure

AWS: EC2, S3, IAM, ELB, VPC, Cloud watch, Cloud Formation, Kinesis, RDS, Dynamo DB, Aurora, Route 53, Spark, SQS, SES, SNS, Auto scaling

Linux: RHEL, Centos, SUSE, BASH, LDAP, DNS, DHCP, NFS, LVM, IMAP, SSL, SELinux, RAID, SNMP, Syslog

Monitoring: Nagios, Splunk, Log stash

Database: Oracle, My SQL, MongoDB (No SQL)

IAAS: AWS, Microsoft Azure

PAAS: Red Hat Open shift

Web / App Servers: Oracle WebLogic, Tomcat, JBOSS, IBM Web Sphere

Virtualization: Vagrant, VMware ESX, VMware VSphere, VMWare Fusion, Oracle Virtual box

Networking: SSH, NFS, DHCP, DNS, dig, arp, NIC, Wireshark.

Programming/Scripting: C & C++, Python, PHP, Ruby, XML, HTML, CSS, Shell Script, Java Script, Angular JS

WORK EXPERIENCE:

Confidential, Pittsburgh, PA

Cloud / DevOps Engineer

Responsibilities:

• Responsible for Deployment Automation using multiple tools Chef, Jenkins, GIT, ANT Scripts on AWS. Worked at optimizing Volumes, EC2 instances and created multiple VPC instances.
• Perform research on AWS resources or tools to recommend to clients. Utilize AWS calculator to produce a budget for a project on AWS. Deployed Java Microservices on Amazon Elastic Container Service.
• Analyze and Evaluate Existing Architecture, Design and Configure a complex Network architecture on AWS Cloud. Migrate on premises applications to the cloud.
• Experience in designing and deploying AWS Solutions using EC2, S3, EBS, ELB, Auto Scaling groups. Cloud as a code with Ansible. Worked on AWS Cloud Formation Templates & AWS Dynamo DB.
• Extensively involved in managing Ubuntu, Linux and Windows virtual servers on AWS EC2 instance by creating Chef Nodes through Open-Source Chef Server.
• Expertise in developing Configuration management modules using Opscode Chef and Ruby.
• Extensively involved in infrastructure as code, execution plans, resource graph and change automation using Terraform. Managed AWS infrastructure as code using Terraform.
• Expertise in writing new plugins in order to support new functionality in Terraform.
• Creating cookbook for provisioning servers like Jenkins, Splunk, sensu and Chef-server.
• Highly involved in Configuring, monitoring and multi-platform servers by defining Chef Server from workstation to manage and configure Chef nodes.
• Development of Chef recipes using Ruby Script through Knife command-line tool to create Chef cookbooks to manage systems configuration.
• Experience in setting up the Chef repo, Chef work stations and Chef nodes.
• Involved in chef-infra maintenance including backup/security fix on Chef Server.
• Worked on Kubernetes (Open source system) for automatic deployment and for managing containerized applications. Worked on TeamCity for Build management & Continuous Integration.
• Worked on Octopus for deployment of ASP.NET applications.
• Managed computer clusters using Apache Mesos. Worked on IIS server.
• Deployed application updates using Jenkins. Installed, configured, and managed Jenkins
• Triggering the SIT environment build of client remotely through Jenkins.
• Deployed and configured Git repositories with branching, forks, tagging, and notifications.
• Experienced and proficient deploying and administering GitHub.
• Implementing a Continuous delivery pipeline with Docker, Jenkins and GitHub and AWS AMI’s.
• Developed proof of concept implementations of distributed frameworks using Docker. Installed and configured a private Docker Registry for internal teams to push and pull containers.
• Written Docker files to containerize web apps, evangelized and trained developers using Docker commands etc.
• Deploy builds to production and work with the teams to identify and troubleshoot any issues.
• Monitoring Live Traffic, logs, Memory utilization, Disk utilization and other factors important for deployment.
• Worked on MongoDB database concepts such as locking, transactions, indexes, Sharding, replication, schema design.
• Implement and Enhance the Existing Scripts which are developed in Shell, Ruby.
• Viewing the selected issues of web interface using SonarQube.
• Consulted with the operations team on deploying, migrating data, monitoring, analyzing, and tuning MongoDB applications. Worked on Liquibase for tracking and managing database schema changes.
• Extensive PowerShell experience developing, implementing, and maintaining automation scripts to meet business needs in large scale, highly available, online production environments.
• Responsible for upgradation of SonarQube using upgrade center. Exposure to scrum methodology.
• Used Vagrant for environments like Docker, VMware & AWS.
• Experience on working with Team Foundation Server (TFS) for Source code management & Builds.
• Installed, Configured and utilized AppDynamics (Tremendous Performance Management Tool) in the whole JBoss Environment (Prod and Non-Prod).
• Participated in Migration undergoing from JBoss 4 to Weblogic or JBoss 4 to JBoss 6 and its respective POC.

Technologies/Tools used: Chef, Ansible, GIT, AWS Cloud, Jenkins, Maven, My SQL, Nexus, Sonar, PowerShell, Apache Webserver, Mesos, Linux, Unix, TeamCity, Solaris, AWS Dynamo DB, TFS, Python script, Ruby script, Shell script, Octopus, ASP.NET, Kubernetes, Perl script, Liquibase, Cassandra, Vagrant, IIS, Apache Tomcat, Amazon DynamoDB, Docker, Terraform, MongoDB, SonarQube, Bit bucket, Scrum.

Confidential, SanRamon, CA

Senior DevOps Engineer

Responsibilities:

• Build, manage, and continuously improve the build infrastructure for global software development engineering teams including implementation of build scripts, continuous integration infrastructure and deployment tools.
• Experience in working GIT for branching, tagging, and merging.
• Configured GIT with Jenkins and schedule jobs using Poll SCM option.
• Source Control Management with GitHub and GitLab for ‘git’ repositories. Experience writing various Pre/Post Commit Hooks. Well versed with concepts of Git stash, Git Bug tracking.
• Collaborated with Project/Discovery Teams to identify the Number of Releases, Resources Required, Cross Team Dependencies, and Release Planning/Schedule etc.
• Migrated existing N-tier data-center applications and Databases into AWS Cloud ensuring complete support for existing Chef Implementation.
• Developed proof of concept implementations of distributed frameworks using Docker. Installed and configured a private Docker Registry for internal teams to push and pull containers.
• Created MOP’s on the Cassandra Version upgrades, adding nodes, Building new DC.
• Create repositories according the structure required with branches, tags and trunks.
• Written Docker files to containerize web apps, evangelized and trained developers using Docker commands etc. Coordinated docker containers containers across multiple hosts using rancher.
• Worked on LAMP stack Web Platform. Worked on microservices deployment on Red Hat OpenShift.
• Worked on Creating continuous delivery pipeline using Spinnaker and Kubernetes.
• Worked on production-grade container orchestration platform(Marathon) for Mesosphere's Datacenter Operating System (DC/OS) and Apache Mesos.
• Wrote extensive Automation scripts using AWS Python based SDK(boto) and AWS CLI for various AWS Services like Ec2, s3, EBS, VPC, SNS, SQS, Kinesis, Spark, AWS DynamoDB, Elasticache, Cloud Watch, Auto scaling, AMI, RDS, SLA Management, Route 53 etc.
• Design/Build Cassandra Clusters both on the physical machines and on AWS.
• Created volumes and backups for block storage in Openstack environment.
• Written several Automation scripts in Bash, Ruby, etc. that consume REST services or CLI’s for various DevOps systems like Jenkins, Git, Jira, AWS etc.
• Examine and clear conflicts related to merging of source code for GIT.
• Knowledge of using Kafka, Cassandra & PostgreSQL for AWS environments. Good understanding of Networking, VPC, Data center to Cloud Connectivity, Security etc. in a AWS cloud.
• Worked on RedHat Gluster storage which uses GlusterFS as its underlying file system.
• Introduced effective ways of communication and stream-lined use of JIRA, Confluence and to maximize productivity and bring discipline between Dev-QA communication gaps.
• Basic responsibilities include Build and Deployment of the java applications onto different environments like Dev, Prod, INT and QA. Created multiple Make, ANT, MAVEN, Shell scripts for build automation and deployments.
• Integrating Jenkins with other important Tools like Selenium for Automated Functional Testing; Cucumber etc. for Unit Testing etc. Worked on Liquibase for tracking database schema changes.
• Used MAVEN for building the applications and developing the build scripts.
• Wrote Recipes/ Cookbooks in Chef. Wrote Playbooks/ Cookbooks in Ansible.
• Good Knowledge on using TeamCity for Build management & Continuous Integration.
• Experience on working with Team Foundation Server (TFS) for Source code management & Builds.
• Good knowledge on using SaltStack. Exposure to scrum methodology.
• Deployed and maintained Chef role-based application servers, including Apache, Nginx and Tomcat.
• Implemented automations tools like Jenkins and deployed monitoring tools like Nagios, wrote custom monitors and alerts based of Nagios. Alerts included notifying a SMS Gateway and SMTP based e-mail services like mailman etc. Experience working with GCC Cross compilers.
• Experience in managing automated multiple continuous integrated depot and branch builds on Jenkins on a network server. Worked on Atlassian tools like fisheye and Crucible.
• Wrote PowerShell scripts for the teams use with customers that have been heavily utilized thus saving much time with each case. Worked on Go Build Programming language.
• Programmatically creating Jenkins Jobs using Jenkins REST API.

Technologies/Tools Used: Git, Jenkins, Ansible, Bash, WebLogic, Groovy, GNU make, Apache Kafka, Perl, Gluster, VMware Virtualization Tools, JSON, My SQL, PHP, Python, Rancher, LAMP stack, Spinnaker, Kubernetes, TeamCity, REST API, Chef, Redhat, TFS, Centos, Marathon, fisheye, Crucible, OpenShift, Win Server 2008/12, Solaris, AWS, Angular JS, Node.js, Cassandra, Openstack, Maven, Nagios, Ruby, Docker.

Confidential, Glendale, AZ

DevOps Engineer

Responsibilities:

• Extensively involved in Managing Ubuntu, Linux and Windows virtual servers on AWS EC2 instance by creating Chef Nodes through Open-Source Chef Server.
• Worked on management tools like chef, puppet, Nagios, Git, Bit Bucket and Jenkins.
• Worked on uDeploy automation deployment framework. Worked on Go Build Programming language.
• Expertise in Developing Configuration management modules using Opscode Chef and Ruby.
• Creating cookbook for provisioning servers like Jenkins, Splunk and Chef-server.
• Highly involved in Configuring, monitoring and multi-platform servers by defining Chef server from workstation to manage and configure Chef nodes.
• Development of Chef recipes using Ruby Script through Knife command-line tool to create Chef cookbooks to manage systems configuration. Managing the configurations of multiple servers using Chef.
• Involved in Architect, Build and maintain Highly Available secure multi-zone AWS cloud infrastructure utilizing Chef with AWS Cloud Formation and Jenkin & Hudson for continuous integration. Responsible for CI environments (Jenkins, Nexus, Sonar). Worked on Gradle Build automation tool.
• Experience with setting up Chef Infra, Bootstrapping nodes, creating and uploading Chef recipes, Chef node convergence in Chef SCM. Wrote Playbooks/ Cookbooks in Ansible.
• Worked on SaltStack Configuration management tool. Worked on GCC Cross Compilers.
• Installing, configuring and administering Jenkins CI tool using Chef on AWS EC2 instances.
• Configured various jobs in Bamboo & Hudson for deployment of Java based applications and running test suites. Setup ANT script based jobs and worked with Hudson Pipelines.
• Developed build and deployment scripts using Ant and Maven as build tools in Jenkins to move into different environments and create new jobs and branches through Jenkins.
• Automated the cloud deployments using chef, python and AWS Cloud Formation Templates.
• Setting up servers through using AWS for deployment or other uses for application.
• Maintaining a farm of AWS solution using EC2 instances, ELB's, S3, EBS, Auto Scaling.
• Developing Cloud formation templates to launch VPC’s and instances in the AWS cloud.
• Strong experience utilizing Jenkins for enterprise scale infrastructure configuration and application deployments & checking out the code from GIT and use Ant/Maven to build Jar, war, tar and ear artifacts. Provisioning Web Servers in AWS and DNS route53 records.
• Source Code Control & Repository Administration with merging and branching to develop new features in the existing code using GIT. Good knowledge on Atlassian tools like fisheye and Crucible.
• Worked on LAMP stack Web Platform. Good Knowledge on FlexPlm. Worked on MemSQL Database.
• Knowledge on Rancher to deploy a choice of Cattle, Docker Swarm, Apache Mesos (upstream project for DCOS) or Kubernetes to manage the containers. Used Vagrant for Virtual Box & Docker environments.
• Worked on Pulp for builds & managing repositories for software packages.
• Excellent in Setting up monitoring tools like Nagios and Amazon Cloud watch to monitor major metrics like Network packets, CPU utilization, Load Balancer Latency.
• Used ANT and MAVEN as build tools on Java projects for the development of build artifacts on the source code. Worked on Tomcat Web server for hosting web apps.
• Worked on User administration setup, maintaining account, monitor system performance using Nagios and Zabbix. Implemented a Nagios monitoring system to notify of system issues.

Technologies/Tools used: Chef, GIT, Bit Bucket, Apache ZooKeeper, Go Build, Ansible, AWS Cloud, Jenkins, Ant, Bamboo, Maven, Apache Webserver, MemSQL, Rancher, Linux, Unix, Pulp, Gradle, Vagrant, JBoss, Solaris, Java script, LAMP stack, PHP, FlexPlm, SaltStack, Python script, GCC, Ruby script, Shell script, fisheye, Crucible, Docker, Perl script, MongoDB, Apache Tomcat, Amazon DynamoDB, Node.js, WebSphere.

Confidential, Northbrook, IL

Build & Release Engineer

Responsibilities:

• Experience in system software installation and configuration of NFS shares, Auto-Mounter, DHCP and LDAP. Administration and maintenance of Red Hat Linux.
• As member of Release Engineering group, redefined processes and implemented tools for software builds, patch creation, source control, release tracking and reporting on LINUX platform. Led Jenkins continuous integration server installation and configuration for all GIT Repositories.
• Developed Perl and shell scripts for automation of the build and release process.
• Responsible for versioning the source code, releasing binary files, release files, creating and applying labels on source files. Worked on uDeploy automation deployment framework.
• Defined instances in code, next to relevant configuration on what running and then created the instances via Puppet. Configured multiple Windows and Linux Slaves for Jenkins Master to distribute the load across all the machines. Also worked with Bamboo CI tool.
• Implemented Gerrit Code review tool and integrated it with Hudson to trigger builds once the commit is being uploaded to Gerrit dashboard. Worked on Gradle for automated builds.
• Deployed J2EE applications to Application servers in an Agile continuous integration environment and also automated the whole process. Worked on Internet Information Services (IIS) server.
• Connected continuous integration system with GIT version control repository and continually build as the check-in’s come from the developer.
• Deployed application packages on to Apache Tomcat Sever. Coordinated with software development teams and QA teams on issues and solved the problems.
• Created analytical matrices reports, dash boards for release services based on JIRA tickets.
• Created multiple Make, ANT, MAVEN, Shell scripts for build automation and deployments.
• Build and maintain SQL scripts and execute different scripts for different environments.
• Deployed the Java applications into web application servers like Web logic.
• Deployment, implementation of Subversion (SVN) as source control, collaboration and QA tool. Project management, versioning and blame/issue tracking using Subversion (SVN).
• Migrated source control tool from Clear Case to Subversion (SVN) and build tool from Ant to MAVEN.
• Used MAVEN as a dependency management tool to manage all the dependencies that are required.

Technologies/Tools: Jenkins & Hudson, ANT, MAVEN, Puppet, Subversion(SVN), Bamboo, GIT, JIRA, Java/J2EE, MY SQL, Perl Scripts, Shell scripts, Gradle, LINUX, Windows, IIS, Web logic, JBoss, Apache Tomcat, Clear Case.

Confidential

Linux Admin

Responsibilities:

• Performed Linux administration tasks in test and production environments with installing, configuring and troubleshooting the client applications on the UNIX servers.
• Involved in creation and management of user accounts, permissions, security, rights, disk space and process monitoring in Red Hat Enterprise Linux (RHEL).
• Installed and Configured RHEL 2.1/3/4, Solaris 10, Red Hat on Intel and AMD hardware.
• Activities include user administration, startup and shutdown scripts, backup scripting and automation using Perl, cron, Bash, Shell scripting for Red Hat Linux systems.
• Created, deployed and managed Linux and windows VM using Red Hat Enterprise Virtualization Manager, which includes moving and migration of VM from one cluster to another cluster or within the same cluster.
• Install and configure SSH to enable secure access to the servers.
• Experience in setting up a PXE boot environment with Red Hat Linux.
• Performed application installation and management on Linux servers for applications like JBoss 4.2.x, 5.x, Oracle. Working with NOC (Network Operations Center).
• Experience in installing, integrating, tuning and troubleshooting Apache Tomcat application server. Coordinating with vendors to solve the hardware and software related issues. Worked with Cloud servers, LAMP and J2EE applications.
• Configuring, administering and troubleshooting of NFS, AutoFS (Direct and Indirect Maps), NIS (master, slave and client) and DNS in multi-platform networks.
• Setup and configured Apache to integrate with IBM WebSphere in load balancing environment. Monitoring of Linux, Solaris servers using tools like vmstat, iostat, SAR etc.
• Implemented Security by disabling unused services and using IP tables and TCP wrappers.
• Troubleshooting day-to-day server related issues and problems in terms of operating system, applications and network. Configure RAID mirroring on Linux platform.

Technologies/Tools: Red Hat Linux servers, NIS, DNS, NFS, FTP, apache, SSH, SLES 9, 10, Apache and Tomcat, PERL Scripting, CentOS.