SUMMARY:

• 7+ years of work experience in IT industry with major focus on DevOps, Software Configuration, Build and release Management and AWS Cloud Environment.
• Expert in compilation, packaging, building, and debugging, automating, managing, tuning and deploying code across multiple environments.
• Extensive Hands on experience in using AWS including EC2, Auto - Scaling in launching EC2 instances, Elastic Load Balancer, Elastic Beanstalk, ColudFormation, S3, Glacier, Cloud Front, RDS, VPC, Route53, Cloud Watch, Cloud Formation, IAM, SNS.
• Experience in deployment Management process using shell scripts, windows batch, and python
• Experience on using Ansible and writing playbooks for provisioning.
• Extensive working experience in implementing new projects using MAVEN, ANT as build tools for the building of deployable artifacts from source code.
• Well versed with Openstack based cloud infrastructure.
• Worked on AWS for deploying instances consisting of various flavors viz., CentOS, Ubuntu and Solaris in both Linux and Windows.
• Worked on Docker for managing development environments through creation of Linux virtual containers.
• Experience with Atlassian tools like Bamboo, Jira, and confluence.
• Developed and maintained many Perl/ANT Shell, Python scripts for Java/J2EE builds and release task.
• Knowledge in Core Java involving concepts like Collections, Multithreading, Data Structures, Algorithms, Exception Handling and Polymorphism.
• Experience working with Version Control Systems like GIT, CVS, SVN (Subversion) and used SCM client tools like GitBash, GitHub, Clear Case, Git GUI and other command line applications in terms of branching, tagging and maintenance on UNIX and Windows environment.
• Experience with the release and deployment in Java/J2EE Web Applications.
• Hands on experience in setting up Apache web servers on Ubuntu Linux platforms
• Developed Processes, Tools, and Automation for Jenkins based Software for Build system and delivering SW Builds.
• Experience in working with bug tracking tools like JIRA, RALLY, Remedy and Cobertura in ANT Projects.
• Knowledgeable on Cloud innovations including Infrastructure as a Service, Platform as a Service, and Software as a Service supplier (IaaS, PaaS, and SaaS).

TECHNICAL SKILLS:

Operating Systems: Oracle Enterprise Linux, Ubuntu, Red Hat, Windows XP/ 7/ 8

Virtualization Technologies: Oracle Virtual Box, Vagrant, Docker, VMWare

Cloud Technologies: AWS, Open stack

Versioning Tools: Git, Gitlab, SVN, CVS

CM Tools: Ansible, Puppet, Chef

CI Tools: Jenkins/Hudson, Maven, Bamboo, Ant

Servers: Apache Tomcat, Jetty, Jboss, WebLogic, Nginx, WebSphere

Scripting/Programing: Java, Python, Shell scripting

Databases: ElasticSearch, MySQL, Postgre SQL, MongoDB

Services: LDAP, DNS, HTTP, HTTPS, NFS, TLS/SSL, DHCP, Kerberos

Ticketing Tools: Central Station, Radar, Espresso, JIRA, Remedy

Monitoring Tools: Splunk, Nagios, Graphite

PROFESSIONAL EXPERIENCE:

Confidential, Philadelphia, PA

Sr DevOps Engineer/AWS Engineer

Responsibilities:

• Managed servers on the Amazon Web Services (AWS) platform using chef configuration management tools.
• Performed configuration, deployment and support of cloud services including Amazon Web Services (AWS).
• Installed and configured Red Hat Enterprise Linux 5.5/6.5.
• Designed Project roadmaps to perform the build and release management and to automate the CI/CD Processes.
• Implemented Docker containers to create images of the applications and dynamically provision slaves to Jenkins CI/CD pipelines.
• Design and deploy a multitude application utilizing almost all the AWS stack (Including EC2, Route53, S3, SNS, SQS, CloudFormation, IAM) focusing on high-availability, fault tolerance, and auto-scaling in AWS environment.
• Hands on experience on other AWS services like VPC, ELB, RDS, DynamoDB, Cloudwatch, SNS, SQS, Kinesis and OpsWorks.
• Migrated a production infrastructure into an Amazon Web Services utilizing AWS CloudFormation, Code Deploy, Chef, EBS, and Ops Works.
• Setup and maintenance of automated environment using Chef Receipes & Cookbooks within AWS environment.
• Created Docker files in source code of registry, build images and ran containers for applications and installed Docker registry for local upload of Docker images.
• Used Chef to manage Web Applications, Config Files, Data Base, Commands, Users, Mount Points, and Packages.
• Implemented a Continuous Delivery framework using Jenkins, Ansible, Maven, Nexus in Linux environment.
• Defined and Implemented CI and Release Management Processes, Policies and Procedure.
• Responsible for build and deployment automation using AWS, Docker, Kubernetes containers and Chef.
• Created and wrote shell scripts (Bash), Python, and Power Shell for automating tasks.
• Developing scripts in PERL and SHELL to automate the process.
• Worked with Ansible YamlAutomation scriptsto create infrastructure and deploy application code changes autonomously.
• Used Chef from the point of bootstrapping nodes to executing run lists to mirror the new nodes to web or application servers and to run deployments against newly added nodes to the clusters.
• Installed and configured configuration tool such as Chef Server/ workstation and nodes via CLI tools to AWS nodes and utilized Configuration Management Tool Chef & created Chef Cookbooks using recipes to automate system operations.
• Used Tomcat as standard application servers to deploy web applications.
• Good understanding of windows and VMware server automation using scripting language Power shell, VB Script.
• Created and maintained several build definitions and publish profiles to handle automated builds in an Agile/SCRUM environment.

Environment: AWS, JENKINS, Ant, Maven, Git, Ansible1.9/2.x, Docker, Chef 12.x/11.x, Ansible, Nexus, Jenkins-job-builder, Docker, Jenkins-view-builder, Tomcat, Jetty, Jboss, RHEL 7/6, Java/J2EE, Shell script, Power Shell, VB Script, Git, Git Hub, python, Apache Tomcat 9.0, JIRA.

Confidential, San Jose, CA

DevOps Engineer

Responsibilities:

• Responsible for defining branching & merging strategy, check-in policies, improving code quality, automated Gated Check-ins, defining backup and archival plans.
• Used AWS to create S3 buckets to store data.
• Worked on AWS EC2, IAM, S3, EBS, Elastic Load balancer (ELB), auto scaling group services.
• Responsible for distributed applications across hybrid AWS and physical data centers.
• Provided Configuration support using Ansible 1.9/2.x in Production, UAT, IT and Dev environments.
• Worked on DC/OS Meso’s, Marathon to launch the Docker containers and configured auto scale up and auto scale down features.
• Worked on using Gitlab, Maven, Jenkins, Ansible, Jetty, and central station tools for build & release cycles.
• Installed and configured Jenkins and used Jenkins to perform automated builds and deployments for Continuous Integration and added slaves to Jenkins master node.
• Automated creation of jobs using Jenkins-Job-Builder and Jenkins-View-Builder tools for standard jobs.
• Worked on Docker container snapshots, attaching to a running container, removing images, managing directory structures and managing containers.
• Worked on build and release software baselines, code merges, branch and label creation and interfaced between development and infrastructure.
• Experience with installation and maintenance of Ansible based Configuration management system.
• Worked with private docker registry setup and worked on maintaining Docker Images in Docker registry.
• Responsible for deployment and maintenance of different QA & UAT environments.
• Created and maintained Servers for various environments using Ansible 1.9 and 2.x roles and playbooks.
• Proficient in deploying and support applications on Tomcat, Jetty and Jboss application servers Used Shell/Bash scripts to automate the deployment process.
• Installed, configured, administered Apache, Jboss, Quantum DB Application Server on oracle linux for multiple high profile projects.
• Deployed applications into PROD & Non-Prod environments on various application servers like Jetty, Jboss & Apache Tomcat.
• Developed build and deployment scripts using apache MAVEN as build tool in Jenkins to move from one environment to other environments.
• Used plug-ins to extend the base functionality of Hudson/Jenkins to deploy, integrate tests and display reports
• Used Ansible playbooks and Shell scripts to automate the deployment process.
• Created virtual images similar to production environment using Docker by writing Docker -compose files.
• Converted and automated builds using Maven and Ant. Scheduled automated nightly builds using Jenkins.
• Supported developers to resolve pre and post deployment issues and performed RCA on issues.
• Provided 24/7 on call supports for the issues in stage and production environment.
• Wrote Python modules for Ansible customizations.
• Written Power Shell scripts to automatically restart the Deploy agents on Linux Machines.
• Used Ansible for integrating the applications and empower them.
• Saved and managed software code base and revisions in a repository using tools like Git and SVN.
• Prepare and maintain code for various Java applications; Developed scripts using Python
• Automated and developed python script for deployment of various applications
• Used Shell/Python scripts to automate the deployment process
• Having good hands on experience with Quota Management, wrappers, User Management, Process Management, Memory Management, Log Management, Package Management, Disk and Swap Partition/Files Management.
• Executed various scripts like Power Shell/Python to automate build and release process.
• Used Ansible playbooks for provisioning instances on Openstack.
• Implemented Configuration Management, Change Management policies and procedures.
• Installing, setting up & Troubleshooting Ansible, created and automated platform environment setup.

Environment: JENKINS, Ansible1.9/2.x, Docker, Jenkins-job-builder, Jenkins-view-builder, Tomcat, Jetty, Jboss, Quantum DB, Java/J2EE, Ant, Maven, Git, Shell/GROOVY script, Sonar, Nexus, Central station, Radar and Espresso.

Confidential, Milpitas, CA

DevOps Engineer

Responsibilities:

• Build and release software baselines, code merges, branch and label creation and interfaced between development and infrastructure.
• Provided Configuration support in Production QA and Dev environments.
• Supported multiple teams in various environments for multiple applications including .Net and Java/J2EE.
• Used Git, Maven, Jenkins, Puppet and Jira as tools for day-to-day build & release cycles.
• Used AWS Beanstalk for deploying and scaling web applications and services developed with Java, PHP, Node.js, Python, and Docker on familiar servers such as Apache, and IIS.
• Build Java code and .NET code on to different Jenkins servers as per the schedule.
• AWS cloud application hosting including EC2, ELB, S3 and launched AWS EC2 instances, configured based on requirement.
• Build and release of Cloud based products containing Linux and Windows environments, using Power Shell, TFS and Python Scripting.
• Worked on Docker container snapshots, attaching to a running container, removing images, managing directory structures and managing containers.
• Installed and configured Jenkins tools on Linux and windows platforms, manage slaves and installing Jenkins plug-ins.
• Worked on private Docker registry setup, maintaining Docker Images in registry and containers.
• Responsible for Deployment and maintenance of different QA & UAT environments.
• Configured Cron jobs for various environments like nightly reboots or restart services based on the requirements.
• Created and maintained Servers and environments using Puppet 4.x manifests and Modules.
• Involved in setting up JIRA as defect tracking system and configured various workflows, customizations and plugins for the JIRA bug/issue tracker.
• Involved in sprints and planned releases with the team using JIRA and Confluence.
• Deployed Applications into PROD & Pre-Prod environments with various Application servers like WebLogic & Apache Tomcat.
• Performed LAMP stack setup in Ubuntu, Redhat, Database setup, Performance tuning, replication, commands, backup and administration.
• Implemented Nagios tool for Monitoring and analyzing the network loads on the individual Machines
• Developed build and deployment scripts using ANT and Apache MAVEN as build tools in Jenkins to move from one environment to other environments.
• Responsible for design and maintenance of the Subversion/GIT views, and the access control strategies.
• Planning, scheduling and documenting releases at code Freeze Periods.

Environment: Puppet 4.0, JENKINS, Jboss, Hudson, AWS, Docker, Java/J2EE, Windows, Ant, Maven, Git, AWS, Clear Quest, Quality, Center, LAMP, Shell/GROOVY script, Sonar and Nexus.

Confidential

Build & Release Engineer

Responsibilities:

• Performing build and deployment activities for environments like Dev, QA, Stage and Production.
• Altering the existing Ant scripts based on the req and writing new build.xml files for the new modules.
• Migrated existing ant build system to Maven for some applications.
• Handling Jenkins related activities such as creating new users with the right privileges, configuring the new builds, add/delete Jenkins slaves and resolving any Jenkins related issue.
• Changing the pom.xml based on the requirement and making the build successful after the changes.
• Managing SVN, which includes creating Branching, Merging the changes and writing some pre-commit & post-commit hook scripts.
• Windows and Linux infrastructure design and management.
• Configure and install Windows 2000.
• Supporting multiple development teams across the globe and handling multiple releases in parallel.
• Automating various activities using scripting languages like Perl and Shell based on the requirement.
• Maintaining the artifact repository called Nexus and moving the builds to it using Jenkins.
• Troubleshooting build, deployment and environment issues to make sure the environment is stable.

Environment: Subversion (SVN), Jenkins, Windows, Azure, Vagrant, Apache, Tomcat, Perl Scripts, Shell Scripts, XML, Tomcat, ANT, CSS, Chef, MAVEN and Git.

Confidential

Developer & Build Engineer

Responsibilities:

• Designed and implemented Continuous Integration process using tools like Hudson with approval from development and other affected teams.
• Installing, and configuring default and third-party packages on RHEL Linux servers using, yum, and rpm
• Hardening, Patching and upgrades (release) on standalone servers using (single user mode), and on production servers (live upgrade).
• Have performed routine system upgrades on RHEL/centos systems.
• Setup, configure and troubleshooting TCP/IP, DHCP, DNS, NFS, SSH, CIFS and SAMBA on Multiplatform
• Monitoring RHEL/centos servers using command line tools with Nagios and new relic tools.
• Configured and managed storage volumes such as LVM and VERITAS on RHEL/centos systems.
• Installed and configured ISCSI Utility on RHEL/Centos 6.4 server for Network Attached Storage.
• Install and configured LAMP on RHEL/Centos servers.
• Experienced on configuring and installing VMware (Virtualization).

Environment: Red Hat Linux (RHEL 4/5), Logical Volume Manager, Global File System, Red Hat Cluster Servers, Oracle, MySQL, DNS, NIS, NFS, Apache, Tomcat.