SUMMARY

• Overall 8 years of experience in the areas of software configuration, Build/Release Management Cloud Administration, Cloud Computing, Linux Administration.
• Designed, configured and managed public/private/hybridcloudinfrastructures utilizing Amazon Web Services (AWS) including EC2, Auto - Scaling in launching EC2 instances, Elastic Load Balancer(ELB), Elastic Beanstalk(EBS), S3, Glacier,CloudFront, Dynamo DB, EMR, RDS, VPC, Direct Connect, Route53,CloudWatch,CloudFormation, IAM, SNS, Route 53 and RedShift.
• Designed, configured and deployed Microsoft Azure for a multitude of applications utilizing
• The Azure stack (including compute, web & Mobile, blobs, Resource groups, Azure, SQL, Cloud Services, and ARM), focusing on high-availability, fault tolerance, and auto-scaling.
• Writing Python scripts to automate AWS services which includes Web servers, ELB, Cloud
• Front distribution, Database, EC2, database security groups and S3 bucket on, IAM, SNS.
• Load Balancer, Auto scaling groups, Ops works, Cloud Watch, Lambda, EMR.
• Collaborated in the automation ofAWSinfrastructure via Terraform and Jenkins - software and services configuration via cookbooks
• Wrote Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations ofAWSnodes and Tested Playbooks onAWSinstances using Python.
• Experience with creating Chef Knife, Recipes and Cookbooks configure, deploy and maintain software components of the existing Infrastructure
• Development and version control of Chef Cookbooks, testing of Cookbooks using Food critic and Test Kitchen and running recipes on nodes managed by on premise Chef Server.
• Experience in load balancing and monitoring with Nagios and Splunk, ELK. Implemented ELK stack (Elastic Search, Logstash and Kibana) for log indexing.
• Expertise in using the Docker for virtualization, Ship, Run and Deploy the application securely to fasten the Build/Release Engineering. Virtualized the servers using the Docker for the test environments and dev-environment needs.
• Developed procedures to unify streamline and automate applications development and deploymentprocedures with Linux container technology using Docker swarm
• Experience with container based deployments using Docker, working with Docker images, Docker Hub and Docker registries and Kubernetes.
• Planning, deployment and tuning of Elastic search for Linux based infrastructure and Solid understanding of Linux shell and Perl scripting, UNIX, Windows, build and release engineering principals
• Experience in creating the company'sDevOpsstrategy in a mix environment of Linux (RHEL, CENTOS) servers along with creating and implementing a cloud strategy based on Amazon Web Services
• System administration, and implementing DEVOPS tools like CHEF and PUPPET for Continuous Integration and Continuous Deployment with build tools using JENKINS, ANT.
• Performance troubleshoot and root cause investigationand Implementing a Continuous Delivery framework using Jenkins, CHEF, Maven in Linux environment
• Installing, configuring and administering Jenkins CI tool on Linux machines
• Administered and Engineered Jenkins for managing weekly Build, Test and Deploy chain, SVN/GIT with Dev/Test/Prod Branching Model for weekly releases.
• Automated the continuous integration and deployments using Jenkins, Docker, Ansible andAWS Cloud Templates. Created local, virtual repositories in Jfrog Artifactory and integrated with Jenkins
• Set up Jenkins server and build jobs to provide continuous automated builds based on polling the GIT source control system during the day and periodic scheduled builds overnight to support development needs using Jenkins and GIT.
• Integrate Splunk with AWS deployment usingPuppetto collect data from all database server systems into Splunk.
• Experience in Configuration management tools like Ansible and Puppet for Deployment on Multiple platforms along with noledge in Chef.
• Expertise in ANT and MAVEN as build tools on Java projects for the development of build artifacts on Designed and implemented Subversion and GIT metadata including elements, labels, attributes, the source code.
• Knowledge of creating Client-side UIs using XML, JavaScript, Angular JS, AJAX and HTML, CSS.
• Good noledge on Java based applications built on different architectures such as Spring MVC, Hibernate, Angular JS, J2EE etc.
• Strong working experience in NoSQL database MongoDB and Cassandra.

TECHNICAL SKILLS

Operating system: Windows2008, UNIX (Solaris, AIX), LINUX (RHEL, CentOS, Ubuntu), OS X.

Configuration Management: Puppet, Chef, Ansible, OpsWorks

Build tools: Jenkins, chef, Puppet, Ansible, Docker, Vagrant, Terraform, Maven, Hudson, Gradle, Bamboo, Nexus and Code Deploy

Version control tools: Subversion (SVN), GIT, GitHub, Bitbucket

Web servers: Apache, Tomcat, JBoss, Web Sphere, WebLogic, Nginx

Monitoring tools: Nagios, Splunk, ELK

Networking/protocol: DNS, DHCP, CISCO Routers/Switches, Palo alto, WAN, TCP/IP, NIS, NFS, SMTP, LAN, FTP/TFTP, Juniper, Cisco

Scripting: Java, Perl, Python, Ruby, Bourne, NodeJ, Bash shell, Power shell scripting, HTML, CSS, XML, JSON

Virtualization Technologies: VMWare ESXi, Windows Hyper-V, Power VM, Virtual box, Citrix Xen

Cloud Environments: AWS, Amazon EC2 & S3, Google Cloud, Microsoft Azure

PROFESSIONAL EXPERIENCE

Confidential -Boston

Sr. Cloud/DevOps Engineer

Responsibilities:

• Worked with AWS cloud management and chef automation.
• Implemented AWS solutions using EC2, S3 and load branches.
• Strong noledge and experience in AWS services like EC2, S3, EBS and IAM.
• Manage AWS EC2 instances utilizing Auto Scaling, Elastic Load Balancing and Glacier for our QA and UAT environments as well as infrastructure servers for GIT and Puppet.
• Automated apache-webserver configuration, DB server configuration, SSSD configuration LAMP by writing ruby cookbooks in chef.
• Managed Chef Server in pushing the infrastructure change to client nodes, monitoring the logs and security.
• Worked on using Chef Attributes, Chef Templates, Chef Recipes, and Chef Files for managing the configurations across various nodes.
• Used packer for creating Amazon machines images and installed various software using Chef.
• Managing Puppet with GIT, Distributing Puppet Manifests. Configuration management tool such as Puppet Chef and Chef Engine.
• Implemented ELK stack (Elastic Search, Log Stash and Kibana) for log indexing.
• Used Ansible to Setup/teardown of ELK stack (Elasticsearch, Log stash, Kibana) and troubleshoot the build issues with ELK and work towards the solution.
• Good noledge on container management using Docker in creating images.
• Hands on experience in creating Docker container and Docker consoles for managing the application life cycle
• Deploying and maintaining production environment using AWS EC2 instances and elastic container services with Docker.
• Got skillful hands on kubernetes, in managing and monitoring the cluster.
• Develop CI/CD system with Jenkins on Google's kubernetes container environment, utilizing kubernetes and docker for the runtime environment for the CI/CD system to build and test and deploy
• Support of Applications like Apache Tomcat and Java based applications running on Linux machines for multiple clients.
• Installation, configuration and administration of Linux (Red Hat, Centos), Sun Solaris and HP-UX Servers.
• Storage Provisioning, Volume and File System Management using LVM/Veritas on HPUX/ /Sun Solaris OS in a SAN environment. Create and manage volumes in OpenStack.
• Played a key role in converting 700+ existing Jenkins jobs into the new pipeline process.
• Prepared document on process of migrating Jenkins jobs from development environment to production server.
• Enhancing platform services with Jenkins, Cloud Formation,Puppet, and scripting technologies on GIT and Nexus.
• Configured Nagios to monitor EC2 Linux instances withpuppetautomation.
• Configured Apache webserver in the Linux AWS Cloud environment usingPuppetautomation
• Experience Azure Platform Development, Deployment Concepts., hosted Cloud Services, platform service and close interface with Windows Azure Multi-Factor Authentications.
• Experience in Private Cloud and Hybrid cloud configurations, patterns, and practices in Windows Azure and SQL Azure and in Azure web and database deployments.
• Writing Chef recipes for various applications and deploying them inAWSusing Terraform.
• Converted existing terraform modules dat had version conflicts to utilize cloud formation during Terraform deployments to enable more control or missing capabilities.
• Created scripts for system administration and AWS using languages such as BASH and Python.

Environment: and Tools: AWS EC2, VPC, Auto Scaling, ELB, Red Hat EL 3/4/5/6, Cloud Watch, EBS, Directory Services, Route53, MS SQL 2012, SQL Server Mirroring, Active Directory, DFS, Elasticsearch, Logstash, Kibana, VMware VSphere, Docker, AWS Kinesis, OpsWork, Jenkins, Chef and Puppet. Nagios, AWS Redshift, GitLab, Artifactory.

Confidential - UHG

Cloud/DevOps Engineer.

Responsibilities:

• Worked on key projects like creation of PCI zone in AWS for Financial application, Migration of applications to AWS from in-house DC.
• Built Chef based CI/CD solutions to improve developer productivity and rapid deployments.
• Contributed in building our cloud infrastructure in AWS.Automated Cloud deployments using chef, python and AWS Cloud Formation templates.
• Used AWS Directory Services to connect to AWS resources with an existing on-premises Active Directory for users to use both on-premise and AWS resources while preserving existing credentials.Leveraged Aws DS to perform single sign-on.
• Maintained the repository management tools like Artifactory and Nexus to store the WAR, JAR files which are deployed by using chef in Jenkins tool.
• Design, Architect and implement the new Online Experience platform in Microsoft Azure build on RedHat Enterprise Linux.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as iptables, firewall
• Mass build of Linux OS server using Kickstart/jumpstart automation application.
• Configuration and administration of LDAP, NFS and NIS in Linux and implemented Samba for sharing of resources between Linux and windows environment.
• Configured SSH, SMTP, Build Tools, and Source Control repositories in Jenkins. Installed multiple plugins to Jenkins. Configured Proxy to get auto updates.
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to another environment and create new jobs and branches through Jenkins.
• Experienced in Branching, Merging, Tagging and maintaining the version across the. environments using SCM tools like GIT and Subversion (SVN) on Linux platforms.
• Implemented a CD pipeline involving Jenkins & GIT to complete the automation from commit to deployment.
• Automated the cloud deployments using Puppet and AWS Cloud Formation Templates.
• Involved in node classifications of Puppet, hierarchy data and developed puppet roles & profiles.
• Deployed Puppet, Puppet Dashboard/ Puppet DB for configuration management to existing infrastructure.
• Implemented and supported monitoring tools like Nagios, Splunk on QA and Production servers for Resource, Network and Log Trace Monitoring. Proficient in working with network protocols like TCP/IP, DNS.
• Worked with Maven and Ant in Java environment for authoring pom.xml files for Java projects and managing maven repositories.
• Terraform ManagedAWSinfrastructure as code using Terraform, Expertise in writing new plugins to support
• Involved in using Terraform to migrate legacy and monolithic systems to AWS.
• Experience in designing and implementing continuous integration system using Jenkins by creating Python and Shell scripts.
• Maintained build related scripts developed in ANT, Python and shell. Modified build configuration files including Ant's build.xml.

Environment: Amazon Web Services(AWS),CloudFormation, Vagrant, Bamboo, Kubernetes, Chef, Jenkins, uDeploy, Nginx, Nagios, Docker, Maven/ANT, PowerShell Scripting, Puppet Hiera, Puppet DB, MCollective, Linux, VMWare Servers, ServiceNow, Shell scripting, Bash, GIT/SVN, Splunk/ELK, uDeploy, Linux/RHEL, Windows, Python, PHP.

Confidential, Atlanta

DevOps Administrator

Responsibilities:

• Maintained multiple cookbooks in Chef by converting production support scripts to Chef recipes to automate the configurations in servers
• Maintained Chef and Puppet servers and management application dat can use Service Now (CI) data to bring computers into a desired state by managing files, services, or packages installed on physical or virtual machines.
• Managed Ubuntu, Linux and Windows virtual servers on AWS EC2 using Chef Server
• Provide monitoring for a large global Linux and UNIX driven network of DNS resolvers as well as other core business equipment.
• Involved in Building and configuring Red Hat Linux Servers using Kick Start server as required for the project
• Managed and administrated of all UNIX servers, includes Linux operating systems by applying relative patches and packages at regular maintenance periods using Red Hat Satellite server, YUM, RPM tools.
• User, Group creation, monitoring and maintaining log for system status/health using Linux commands and Nagios system monitor.
• Installed and configured Jenkins master dat served 30 different slaves supporting 8 different applications with various release life cycles and multiple CI pipelines setup on project branches.
• Used Jenkins and pipelines to drive all microservices builds out to the Docker registry.
• Automating the test cases to run on scheduled basis by integrating the job on Jenkins pipeline.
• Created and modified Ansible playbooks, shared using company GitHub.
• Created Branches, Tags, Labels and performed merges in Stash and GIT
• Worked with Ant/ Maven to Build artifacts and deploy
• Integrated Ant and Maven with Jenkins to run to automate the build process as a part of continuous delivery
• Developed automation scripting in Python (core) with the use of Puppet for deploying and managing Java applications on Linux servers.

Environment: Puppet, Chef, Ansible, ANT, Maven, SVN, Git, Nagios, Ansible, Terraform, CI/CD, Agile, RedHat Linux, Solaris, Ubuntu, Windows, Java, Apache Tomcat, uDeploy, JBoss, Shell, Perl, Python, Ruby, Splunk.

Confidential

Linux Administrator

Responsibilities:

• Installed, configured, troubleshoot, secured and supported RedHat 4/5/6, AIX, CentOS 3/4/5 and SuSe Linux9/10 servers and production servers.
• Configured and installed HP-UX, Solaris and RHEL Servers using Ignite, Jumpstart and Kickstart.
• Tuned, maintained and upgraded WebSphere, WebLogic, JBoss, Tomcat and Apache application servers.
• Install, configure and troubleshoot Virtualization technologies such as XEN, VMware, Pacemaker, DRBD VMware, LPAR, and VIOS.
• Build YUM and RPM repository Server for Development team to upload packages
• Used Disk Management Utility for file system management and file system creation.
• Experience in troubleshooting network using netstat, Wireshark, ping, nslookup and traceroute.
• Expertise inLinuxbackup/restore with tar including disk partitioning and formatting in LVM
• Daily maintenance of GIT source repositories and builds
• Maintaining theLinuxFirewall for network and implement to secure the network.
• Experience with Splunk data mining and log file reporting.
• Splunk was used to collect all the logs from application Splunk implementation, configure, maintain, troubleshooting Splunk/Linux systems.
• Worked with Remedy ticketing system and provided 24/7 on call support for production.

Environment: Linux, Ruby, RHEL, Puppet, Puppet Hiera, Nagios, JIRA, GIT, PowerShell, C#.Net, Bash Scripting, TFS, Python, Maven, Jenkins, Ant, Ansible, YAML, Nagios, NT Command Shell, Perl, PHP, JBoss Application Servers, Windows, WebSphere Application Server, Python, Splunk, Linux, Solaris

Confidential

System Administrator

Responsibilities:

• System Administration, System Builds, Installs, Upgrades, Patching, Migration, Trouble shooting, Security, Backup, Disaster Recovery and Performance Monitoring on Linux/AIX Operating Systems.
• Experience in LVM, Kernel and performance tuning on IBM AIX and RedhatLinux.
• Created and modified users and groups with SUDO permissions.
• Modified Kernel parameters to improve the server performance inLinux.
• Creating, cloningLinuxVirtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
• Define/setup network protocols, Network File Services (NFS) and Network Information Services (NIS) onLinuxand AIX servers.
• Changing Boot PROM values according to the requirement.
• Made backups of the directories and files using the tar, gzip, and gunzip tools.
• Patch management and updating of the software as and when required.
• Co-ordination with Application team for performance/upgrade related issues.
• Configuration of Hardware and Software RAID. Disk replacement and Filesystemrecovery.
• Planning and setup of Disaster Recovery Servers.
• Trouble shooting of day to daysystemand user problems, Escalation Support, Providing support toCustomers via ticketing and/or phone forLinuxservers.
• Troubleshooted various problems when working with VxVM in initializing, replacing, mirroring, encapsulating and removing disk devices on various Production Boxes.
• Monitor the operatingsystem, database and network using the monitoring tools such as Nagios, New Relic, Ganglia.
• Worked on configuring Alerting mechanisms with Nagios, error logging, performance monitoring.
• Worked on Nagios Dashboard with creating custom alerts and plugins with Nagios.
• Worked on creating plugins to monitor application filesystems.
• Expertise insystemand network monitoring tools Nagios and eHealth

Environment: RedHat Linux, AIX, Solaris, XEN and VMware, Windows Server 2000 and 2003, LVM, Apache Web Server, Tomcat, Java, Oracle, Git, SVN, BMC Remedy.