SUMMARY

• 9 years of experience with hands on experience in Build Release management, shell scripting, Unix System administration, Linux Administration.
• Worked on all phases of the Software Development Life Cycle.
• 5 years with Amazon Web Services (AWS) with deep expertise in Amazon’s cloud computing offerings.
• Expert - level knowledge of Amazon EC2, Amazon S3, Amazon SimpleDB, Amazon RDS, Amazon Elastic Load Balancing, Amazon SQS, and other services of the AWS family.
• Experience in Extensive security testing in multiple Virtualization platforms such as Vmware, HyperV and OpenStack on an end-end system from ground up.
• Experience in installing, configuring, testing Hadoop ecosystem components.
• Hands on experience on Big Data Technologies like Apache Spark, Apache Flink, Kafka, Hadoop, Hive, Flume, D3, Cassandra, Neo4j
• Experience in Development of a new version of the cash system, used technologies: Java SE, PostgresSQL, NSIS (Nullsoft Scriptable Install System), JavaScript, YAJSW (Java Service Wrapper).
• Excellent working knowledge of Operation & Production Support with large mission critical systems in multiple technologies and platforms including WebLogic, Apache, JBoss, WebSphere, UNIX, Windows NT, and Oracle.
• Experience in working with .NET features like Events & Delegates, Generics & Collections, Multi-Threading, Exception Handling, Serialization, LINQ.
• Excellent working knowledge in configuring multiple Weblogic domains including machines, manage servers, node managers and cluster environments.
• Expertise in migration and up gradation of Weblogic Server and updating JDK versions, applying patches and installing service packs for Weblogic server.
• Excellent working knowledge in finding Memory Leaks and adjusting JVM Heap Size and Garbage Collector parameters during performance monitoring and performance tuning of WebLogic server.
• Implemented continuous deployment system with Jenkins, AWS Code Deploy, Ops Works, and Packer.
• Migrated existing infrastructures over three AWS accounts into VPCs managed by Cloudformation.
• Hands- on experience in developing web applications using Python on Linux and Unix platform.
• Recognized expert in the Python programming language, with experience in other languages (Perl, C, SQL, etc.).
• Strong Exposure in writing Simple and Complex SQLs, PL/SQL Functions and Procedures, Packages and creation of Oracle Objects - Tables, Materialized views, Triggers, Synonyms, User Defined Data Types, Nested Tables and Collections.
• Defined and implemented QA tools and processed in Python.
• Implemented and tested python based web applications interacting with MySQL.
• Worked on WebSphere Application Server, Linux.
• Experience with operational automation using tools like Chef, Ansible, Salt.
• Experience developing business solutions around Cloud Computing technology including Amazon CloudFront, S3, EC2, SimpleDB, Elastic MapReduce, RightScale and OpenStack.
• Good experience in Management of security applications (Antivirus Server, UTM, Firewall).
• Extensive experience in the design and implementation of Continuous Integration, Continuous Delivery, Continuous Deployment and DevOps processes for Agile projects, working with technologies and platforms including Java, Jenkins, Subversion, Git, Oracle, UNIX/Linux, VM Ware, Docker, Vagrant, Chef, Puppet, AWS.
• Experienced using Vagrant to create self-contained virtual machines. Ability to stand up WordPress servers using Ansible, and provision remote servers for deployment.
• Extensive experience On Big Data Technologies like Hadoop, MongoDB.
• Experience in development of the largest Platform-as-a-Service hosting Cloud on the market, Rackspace Cloud Sites.
• Help maintained roles and access to various user groups within Rackspace cloud for automation functionalities.
• Experience in Performance And Scalability tools like JMeter, JProfiler, MAT, RunDeck, Java tools like jmap, Jstat, jstack.
• Produced and implemented a Java based Passive Surveillance System (PSS) prototype using Java.
• Knowledge of advanced level programming in C/C++ including thread synchronization multithreading, multi processing, concurrency and TCP/IP Socket Programming.
• Migrating a production infrastructure into an Amazon Web Services VPC utilizing AWS Cloud formation, Code Deploy, Chef, EBS, and Ops Works. This included migrating a number of production MySQL databases into RDS, rewriting a large set of monolithic recipe-based.
• Deep expertise in management systems (LMS), talent management platforms, data-driven web portals, analytics, reporting, premise & SaaS application management.
• Strong experience in Java/Scala and .Net technology stacks.
• Inside-out knowledge of Linux(especiallyDebianandRedhatdistributions).
• Good expertise in Java, J2ee (Servlet, Jsp), Spring, Struts, Hibernate,XML.
• Expertise in using File Adapter, FTP Adapter, Database Adapter, AQ Adapter and JMS Adapter for integration using Oracle ESB and for development of custom business processes using Oracle BPEL Process Manager.
• Developed Ansible scripts for an automated server provisioning and Docker images for app isolation, reducing the time between provisioning and deployment.
• Implementing DevOps, Continuous Build and Continuous Integration/Deployment processes, combining and automating tools like EMMA, Cobertura, FitNesse, Selenium, Cucumber, rapid feedback for both development and operations teams.
• Microsoft Certified in both SQL Server and SharePoint.
• Developing automated process for builds and deployments; Jenkins, Ant, Maven, Gradle, Sonatype Nexus, Shell Script, Perl, Java.
• Expert in designing and implementing Database using various RDMSs like SQL SERVER, Oracle and MS Access,DB2.
• Extensive experience in using Version control systems includes CVS, Subversion (svn), GIT, Clear-case and perforce.
• Good exposure in administration of version control systems to create daily backups and checkpoint files.
• Experience in the Functional Automation and Performance Automation of the API’s and the Web services, Web Applications using C#, .NET Framework, VS Unit Testing Framework, WCF, AZURE REST APIs, TAEF(Test Authoring and Execution Framework), MsTest, VSTT, Visual Studio Coded UI(RNP), MitaSpy, KAF, NUnit and SQL Server.
• Experience in system and network administration and engineering, hardware evaluation, project management, systems and network security, incident analysis and recovery.
• Good Knowledge on Windows Workflow Foundation (WWF), Windows Presentation Foundation (WPF), SharePoint, MVC and Azure.
• Build and release of Cloud based products containing Linux and Windows environments, using PowerShell, TFS and Python Scripting.
• Expertise in using build tools like MAVEN, ANT and GNU Make.
• Experience in managing and setting up Continuous Integration using tools like Jenkins, BuildBot, Bamboo and Electric Commander, etc.
• Experience in managing the artifacts using Nexus repository.
• Involved in the functional usage and deployment of applications in Web logic, Web Sphere, Apache Tomcat and JBoss Server.
• Expertise in writing puppet’s DML (Declarative Modeling Language) scripts and helped declare and the documented each system’s state for future references.
• Specialized expertise in Software Configuration Management (SCM) and Continuos Integration (CI) and Release Management (Maven, ANT, uDeploy, uRelease, Jenkins, Bamboo).
• Integrated the Code Quality Analysis Tools like Jira/Atlassian, Redmine with SCM process.
• Worked very closely with designer, tightly integrating Flash into the CMS with the use of Flashvars stored in the Django models. Also created XML with Django to be used by the Flash.
• Strong command on SCM concepts such as Branching, Merging and Tagging.
• Managing virtual machines using VMware, AWS.
• Good knowledge of various development methodologies like Waterfall, Agile.
• Worked on both windows and UNIX based systems.

TECHNICAL SKILLS

Platforms: Ubuntu, Red Hat LINUX, Windows XP/ 7/ 8/10, RHEL, CENT OS, JBoss

Version control tools: GIT, SVN, ClearCase, CVS, Perforace

Cloud: AWS, Open stack, VMware.

CI tools: Jenkins/Hudson, Anthill Pro, Bamboo, Team city.

Build tools: ANT, Maven, MS Build.

Configuration Management Tools: Chef, Puppet, Salt Stack, Nexus

Databases: MySQL PRO, MS SQL Server, SqlPlus, Oracle 8i, 10g, 11g,12c, MongoDB

Languages/ Scripting Languages: Bash Script, Ruby, Perl, Python, Shell Script, ANT Script, C, C++, Java, J2EE

SDLC: Agile, Scrum and Waterfall.

Continuous monitoring tools: Stack Driver, AWS cloud watch, Data Dog, New Relic

Bug tracking and ticketing: JIRA, Bugzilla, Remedy, HP Quality Center

Web/Application Servers: WebLogic, Web Sphere, Apache Tomcat, IBM JBoss

Web technologies: Servlets, JDBC, JSP, XML, HTML, Java Script.

Security tools: Wireshark, Nmap, Nexus, Evident.io, Cavirin.io

Network protocols: SMTP, SNMP, ICMP, TCP/IP, FTP, TELNET, UDP and RIP

PROFESSIONAL EXPERIENCE

Sr. AWS Cloud Engineer

Confidential, Dallas, TX

Responsibilities:

• Implemented Large ScaleCloudInfrastructure (250+ servers) usingAWSresources - IAM, Elastic IP, Elastic Storage, Auto Scaling, VPC, EC2, EBS, APIs ELB, Route 53, RDS, SES, SNS, SQS, OpsWorks, EMR, Red Shift,CloudFormation, CDN, KMS, S3, LAMDA (Server less), Elastic Bean stalk, ECS,CloudFront, Snow Ball.
• As part of continuously delivering Agile team, develop, test, and deploy Data platform features Develop ongoing test automation using Chef, Ansible, Python based framework using Ansible to Setup/teardown of ELK Stack.
• Installed, Configured, Administered Jenkins Continuous Integration Tool also automated Continuous Build and deploy Scripts for Jenkins.
• UsedAWSBeanstalk for deploying and scaling web applications and services developed withJava, PHP, Node.js, Python, Ruby, and Docker on familiar servers such as Apache, and IIS.
• Experience in Programming, support, debugging, and administration in distributed environments UNIX, Linux, VAX/VMS, Windows, and RDBMS across a wide range of products.
• Create and manage Cinder volumes in OpenStackCloud in both Linux and windows environment.
• Architecture/design and deployment of solutions using VMWare, and Amazon Web Services (AWS).
• Use of Docker, Kubernetes andOpenShiftto manage micro services for development of continuous integration and continuous delivery.
• Involved in Upgrade of Bamboo& Artifactory Server and use ofAWS for cloud issues.
• UsedAzureTerraform andAzureOpsWorks to deploy the infrastructure necessary to create development, test, and production environments for a software development project.
• Created Docker containers to deploy and run various web applications. Also, was a part of team for analyzing microservices management using Docker, Apache Mesos andMarathon.
• Responsible for building application full automation pipeline for deployment intoAWSusing Jenkins, Artifactory, Chef and Terraform.
• Support and enhance SDLC cycle by using Docker containers delivered toOpenShift Container Platform.
• Experience in Performance Tuning and Query Optimization inAWSRedshift. Managed AmazonRedshiftclusters such as launching the cluster and specifying the node type.
• Setup a test environment of cutting edge container technologies including Docker, Apache Mesos,Marathonand Prometheus for monitoring.
• SSL Security certificate management for enterprise, maintaining certificates across multiple ssl providers, and integrating certificates into products such as nginx, apache, Tomcat, AWS-ELB.
• Involved in Configuring, automation and maintaining build and deployment CI/CD tools GIT/Bit Bucket, JIRA, Confluence, Bamboo, Build Forge, Chef, Docker registry/daemon, Nexus and JIRA for Multi-Environment (Local/POC/NON-PROD/PROD) with high degrees of standardization for both infrastructure and application stack automation (ECS) inAWScloudplatform.
• Expertise in JIRA/Confluence queries, dashboards for metrics reporting to various teams.
• UsingDatadogOps monitoring servers and integrates in Cloud Watch, Chef, Puppet and Ansible etc.
• Worked on day to day administration tasks and resolved tickets using JIRA.
• Setup NFS servers asOpenShiftstorage backend and configured various storage claims for developers
• Currently leads an active integration effort for building out PaaS with RedHatOpenShift, Dockers and working with developers on application containerization effort.
• Automation test cases in Go language and used GIT for version control. Experience in SQL/CQL stress workloads to test storage onDockerswarm using Cassandra and MySQL.
• Setup Jenkins tool to integrate the JAVA project and maintained Jenkins with continuous integration and deployment.
• Used Jenkins and Pipelines which helped us drive all micro services builds out to the Docker registry and then deployed to Kubernetes.
• Expertise in dockercompatibility testing on various Linux distros, Amazon Web Services (AWS) and Google cloud Engine (GCE).
• Used Vagrant and Ansible to install software and automate installation.
• Developed internal tool Quick Deploy for runbook automation, and automated release and deployment Management process using shell scripts, windows batch, and Python with Rundeck and Jenkins.
• Used ANT and Maven as a build tools on java projects for the development of build artifacts on the source code.
• Worked on the transition project, which involves migration activities from ANT to Maven in order to standardize the build across all the applications.
• Developed a Power Shell script to automate Active Directory and server tasks and Generate reports for administrators and management.
• Automated Testing process using Appium, UI Testing, Web Testing using Selenium.
• Hands on experience with Docker containers to maintain Docker images, Docker hub & registries.
• Extensive experience in using Ansible for managing deployments in large number of servers.
• Hands on experience in writing Ansible Playbooks and managing the Roles as well.
• Worked on monitoring tools to configure Nagios and Splunk.
• Written Ansible Playbooks for zero-downtime installation, upgrading and uninstalling of various processes.
• Worked on Designing, Installing and Implementing Ansible configuration management system and writing playbooks for Ansible using YAML and deploying applications.
• Experimented playbooks for Ansible and deploying applications using Ansible.
• Wrote Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations ofAWSNodes and Test Playbooks onAWSinstances using Python.
• Implemented Terraform modules for deployment of applications across multiple cloud providers.
• Created the U-Deploy templates for components and applications, on-boarded around 200 apps into U-Deploy to achieve continuous integration.
• Integrated Maven/Nexus, Jenkins, Urban Code Deploy with Patterns/Release, GIT, Confluence, JIRA and Cloud Foundry.
• Wrote Python scripts using Boto3 to automatically spin up the instances inAWSEC2 and OPS Works stacks and integrated with Auto scaling to automatically spin up the servers with configured AMIs.

Environment: AWS EC2, S3, RDS, AMI, IAM, Redshift, Lambda, VPC, Chef, Java, GIT, Jenkins, Terraform, Python, Linux, Bash, Groovy, Subversion, Rest API, Ant, Maven, Nexus, U-deploy, SQL, Cloud Formation, Azure, OpenShift, Cassandra, Subversion, Selenium, UNIX, SVN, Docker, JIRA, Python, Ruby, Shell Scripts, Tomcat, Ansible, Splunk. Terraform.

Sr. Devops Engineer

Confidential - Bentonville, Arkansas

Responsibilities:

• Responsible for developing & maintaining IT infrastructure & tools to support development.
• Identified requirements or pain points in delivering software code to production servers as deployable packages.
• Automating infrastructure in AWS with Chef, Ruby, and maternal unit.
• Deploy Ansible and Jenkins to completely provision and manage AWS EC2 instances, volumes, DNS, and S3.
• Design, integration and management of Amazon Web Services cloud solutions. Provisioning of EC2 instances, built via puppet, and integrated into local area offices in 5 time zones. Amazon RDS, VPC construction, Security Group policies, IAM, Route 53, CloudFormation, Glacier, OpsWorks.
• Created and maintain server-side integration tests - Python, JSON documents, MongoDB, and Robot Framework running with every build (git, Jenkins) on Amazon Web Services.
• Improved AWS infrastructure security posture and created incident response procedures. Implemented behavior-driven tests for Chef-managed infrastructures using Cucumber. Built automated deployment systems in Go and Node.js.
• Implemented Programming, Deploying, Configuring on Web Servers such as IBM Web sphere, Apache Tomcat Server and Amazon EC2.
• Administer for Amazon Web Services (AWS) and Bitbucket source code repository.
• Developed cookbook code, plugins, bug fixes and product feature enhancements on behalf of Chef customers.
• Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS AMI’s, whenever a new github branch gets started, Jenkins, our Continuous Integration server, automatically attempts to build a new Docker container
• Automating of Docker and modern Chef best practices allowing Operations to function more like a PAAS, with less configuration management overhead.
• Responsible for Troubleshooting Engine and Splunk server and forwarder problems and issues.
• Used Vagrant for virtual development environments.
• Created various types of vagrant servers
• Supported the process of first time configuration of web applications using Vagrant along with Puppet and Chef for provisioning.
• Developing scripts for build, deployment, maintenance and related tasks using Jenkins, Docker, Maven, Python and Bash.
• Installed and configured the SaltStack and also implemented the configuration management tool like SaltStack remotely.
• Developed and Implemented docker based infrastructure - Mesos, Kubernetes.
• Led team through examining the use of Docker, Kafka, and Kubernetes to improve the efficenticy of development and scalability of data streams and containerized micro services.
• Setup & configured Hudson, JENKINS/Tomcat servers & setup continuous integration automation by promoting certified packages through various stages in SDLC.
• Help customers build scalable, resilient, and high-performance applications and services on AWS.
• AWS Infrastructure setup Web Server, App Server and PDS Server.
• S3 API implementation for accessing S3 bucket data files.
• Hands on experience in a Linux environment with Apache Tomcat on Amazon AWS.
• Implemented system automation using Ansible and Chef supporting common web applications such as Apache, Tomcat, HAProxy, nginx, Node.js, AngularJS, Java (Spring), CDN, Rest API’s, messaging (e.g., ActiveMQ, RabbitMQ), object caching.
• Built and maintained LAMP server and Intranet applications.
• Utilized Puppet to automate single-command provisioning for development and production environments for an operation tools startup (Nodeables).
• Enhance and maintain a large-scale Hudson/Jenkins-based build infrastructure.
• Combined three Git repositories and six Gradle projects into one repository, one multi-project build, and one release build in Jenkins.
• Integrated JIRA, Confluence and Bitbucket in order to keep track of different project states.
• Wrote build scripts & made recommendations to enhance customization in build scripts written in Ant & Maven.
• Installed and Implement Monitoring cron-job with Grafana metrics of exceptions andactivities on cloud services.
• Monitored QVC websites performance using Dynatrace synthetic monitoring capabilities. UsingDynatrace.
• Monitored application servers using different APM's such as NetScalar, NewRelic, AppDynamics and ExtraHop.
• Created utilities to monitor continuous integration process (job failure rate, disk usage), coded changes in SVN & job failures in Hudson.
• Manage version control tools SVN and Git to version code changes to help developers/programmers branch/merge/revert code.
• Setup code review tool Gerrit with GIT and integrated with CI system to help developers do peer code reviews & identified issues in code early in the cycle using code analysis.
• Used Java programming, related code files, config files & package mechanisms (JAR, WAR & EAR packages) & provided optimal mechanism to build application packages.
• Setup package repository with Nexus & implemented Maven workflow to use publish JAR files & packages to this central repository.
• Setup defect tracking system in Jira/Atlassian & managed various requests to enhance workflows & added/updated components, users, permissions, projects, etc.
• Successfully installed and configured NAGIOS monitoring system to monitor the production server environment.

Environment: Ansible, Jenkins Docker, Kafka Kubernetes IAM, Route 53, CloudFormation, Glacier, AWS EC2, S3, RDS, AMI, IAM, Redshift, Lambda, VPC, Chef, Java, GIT, Jenkins, Terraform, Python, Linux, Bash, Groovy, Subversion, Rest API, Ant, Maven, Nexus, NAGIOS Jira/Atlassian Apache, Tomcat, HAProxy, nginx, Node.js, AngularJS, Java (Spring), CDN, Rest API’s, messaging

Sr. AWS / Devops Engineer

Confidential

Responsibilities:

• Worked on Thing space(IOT) platform and various services of AWS: EC2, Elastic Beanstalk, ELB, Route53, S3, CloudFront, SNS, RDS, IAM, CloudWatch, and CloudFormation.
• Experience in Installation, Configuration, Upgrade, Patches, and performance tuning on UNIX and system software & hardware.
• Worked on configuring the Linux machines through Kickstart (Red Hat Linux) program for Host and Network based Installations.
• Experience in Designing and deploying AWS solutions using EC2 instances, EBS.Experience working with continuous delivery and build clouds with OpenStack and AWS.
• Expertise in configuration and managing Linux Virtual Machines under VMWare.
• Experience in Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Worked with Linux performance tuning to add tuning parameters to the kernel and optimize the kernel.
• Created Amazon VPC to create public-facing subnet for web servers with internet access, and backend databases & application servers in a private-facing subnet with no Internet access.
• Created AWS Launch configurations based on customized AMI and use this launch configuration to configure auto scaling groups.
• Worked on GlusterFS to mount the files.
• Worked on Docker and have done deployments on microservices management using Docker, Apache Mesos andMarathon.
• Worked on Docker container snapshots, attaching to a running container, removing images, managing director structures and managing containers.
• Utilized S3 bucket and Glacier for storage and backup on AWS.
• Using Amazon Identity Access Management (IAM) tool created groups & permissions for users to work collaboratively.
• Utilizes Several Docker best practices to create base images from scratch and to create clear, readable and maintainable clean docker files.
• Wrote Shell and Python scripts to automate admin jobs such as monitoring the servers for resource consumption, processes running, file handling.
• Installing and configuring of Chef Server, Chef-solo along with creating Chef Cookbooks and implemented latest releases of Chef- Solo, and written Chef Recipes to install and configure Nagios for monitoring Infrastructure.
• Used Jenkins as continuous integration tool, creating new jobs, managing required plugins, configuring the jobs selecting required source code management tool, build trigger, build system and post build actions, scheduled automatic builds, notifying the build reports, etc.
• Used Maven (POM.xml) and Ant scripts (build.xml) as build frameworks/scripts.
• Used GIT as source code management tool, creating local repo, cloning the repo, adding, committing, pushing the changes in the local repo, saving changes for later (Stash), recovering files, Creating release, feature branches, tags etc.
• Utilized Jenkins for enterprise scale infrastructure configuration and application deployments - checking out code from Svn/Git and use Ant/Maven to build War/Ear artifacts.
• Worked on Nagios for URL and port monitoring.
• Hands on experience in Cloud automation with Chef, Puppet, Cloud formation.
• Experience implementing configuration management automation.
• Worked onChefCookbooks andChefrecipes to automate infrastructure as a code.
• Setup theChefNodes,ChefClient,ChefServer, andChefWorkstation. Worked on Bootstrapping the Nodes secured the passwords and data using encryption data bag forChef.
• Implementing Continuous Delivery frameworks using Jenkins, Chef, and Maven& Nexus in Linux environment. Worked on Managing the Private Cloud Environment using Chef.
• Worked on ELK (Elasticsearch, logstash, Kibana) Stack.
• Worked on new technologies, including topics like Immutable Infrastructure, Mesos, Marathon, and Microservice architecture.
• Worked on ElastAlert for Log Monitoring for running multiple rules in different time intervals on top of Elasticsearch.
• Worked on ElastAlert Auto Scalingup and Scalingdown.
• Monitored Kafka Messaging Queue and Kafka topics, Free radius, and Zookeeper.
• Wrote Python Scripts using the ElasticSearch query’s for generating the Logging report which are logging into logs and metrics.
• Set up system for dynamically adding and removing web services from a server using Docker, Nginx.
• Worked on configuring the Apache Tomcat for Java applications deployment.
• Wrote Crontab for scheduling of automatic repetitive jobs and executing shell scripts.
• Worked with various custom resources, created roles & environments and using Chef handlers for various auto kickoff requirement jobs.
• Established processes and tools to maintain code base integrity, including check-in validation rules and branch/merge processes.
• Startup and shutdown scripts, crontabs, file system maintenance and backup scripting and automation using shell scripting (BASH, KSH) and Perl.
• Managed data stores and Vcenters with VMWare Installation and ESX hosts’ configuration.
• Worked on monitoring tools to configure Nagios and Splunk.
• Used JIRA as a Change Management/ Work Management/ SCRUM Agile Tool.
• Worked on Statsh, Bitbucket, Confluence.

Environment: Solaris 8/9/10, Red Hat Linux 4/5/6, AWS EC2, VPC, EBS, Lambda, AMI, SNS, RDS, EBS, VMWare ESX4, AWS Volume Manager (VxVM), SAN, GIT, Bamboo, Chef, Nagios, Open stack, Docker, ELK, Marathon, Mesos, Git Flow, AWS,J IRA, Stash, Python, Tomcat, Apache.

Sr. Build and Release Engineer

Confidential

Responsibilities:

• As a Senior member of Release Engineering group, redefined processes and implemented tools for software builds, patch creation, source control, and release tracking and reporting, on UNIX platform.
• Responsible for Development, UIT, SYTEM, UAT, STAGING, PRODUCTION Builds and Releases.
• Builds and deploys J2EE application in WebSphere 6.1and 7.1 using python scripts.
• Assist with maintaining current build systems, developed build scripts, and maintained the source control system.
• Responsible for CI environments (Jenkins, Nexus, Sonar)
• Configuration management using chef/puppet.
• Installed and configured Red Hat Linux, Established and schedule activities in test and production environments.
• Experience in working GIT for branching, tagging, and merging.
• Managed, installed, and configured Microsoft Windows Server, Red Hat Enterprise Linux, CentOS, Ubuntu, IIS, .NET, Apache, Oracle Weblogic, Red Hat JBoss, Apache Tomcat, Oracle Database.
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Design the deployment Architecture for WebSphere Portal environment.
• Installed and configured an automated tool Chef, Puppet that included the installation and configuration of the master, agent nodes and an admin control workstation.
• Enforced automation in build and deployment procedures, executed code builds and deployment activities.
• Experience with operational automation using tools like Chef, Puppet, Ansible, Salt.
• Involved in developing Ansible scripts for an automated server provisioning and Docker images for reducing the time between provisioning and deployment.
• Created RPC-based service for reading large volume of data from PostgreSQL using GO(Golang)
• Creating S3 buckets and also managing policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup on AWS
• Implemented and maintained the monitoring and alerting of production and corporate servers/storage using AWS Cloudwatch.
• Setting up and administering DNS system in AWS using Route53.
• Works with AWS Jenkins plugin deploy applications on Amazon Web Services.
• Installed and Configured Elastic Load Balancers on AWS EC2 instances with Auto scaling.
• Worked in DevOps group running Jenkins in a Docker container with EC2 slaves in Amazon AWS cloud configuration. Also gain familiarity with surrounding technologies such as Mesos (Mesosphere) and Kubernetes.
• Fisheye used to extract the information from repository and Crucible used to code review.
• Implemented a generic Framework to deliver notifications implemented in Golang. Handles channels, users and tenants for multitenant SaaS/PaaS application.
• Deployed built artifacts to Websphere application server using maven and python scripts.
• Responsible for design and maintenance of the Subversion (SVN) Repositories
• Used Selenium for UI Testing in the continuous Integration Process.
• Managed the source codes repository of multiple development applications using Tortoise SVN.
• Created analytical matrices reports, dash boards for release services based on JIRA tickets.
• Trained offshore team members and responsible for knowledge transfer.
• Performed weekly and on-call deployments of application codes to production environments.
• Coordinated application release with developer, DBA, QA and project management teams.
• Worked in cross-platform environments like Linux, Unix, AIX and Windows.
• Documentation of detailed build configuration, Build procedures and change history for releases.

Environment: Subversion (SVN), Jenkins, Java/J2EE, ANT, MAVEN, Chef, Puppet, Nexus, Docker, FishEye, Crucible, WebSphere, Ansible, Salt, PostgreSQL, python Scripts, Shell Scripts, UNIX, Linux (RHEL), selenium, Windows XP, Oracle, JIRA.

Linux Administrator

Confidential

Responsibilities:

• Installed, Configured and administrated of all UNIX/LINUX servers, includes the design and selection of relevant hardware to Support the installation/upgrades of Red Hat (5/6), CentOS 5/6, Ubuntu operating systems.
• Configured Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the Cluster Nodes.
• Configured and Administered Apache, VSFTPD services, MYSQL and Tomcat.
• Participated in 24x7 production on-call support of Linux and provided technical support to users.
• Configured various alerts, captured support logs and configured resource pools utilizing Cisco UCS Manager.
• Implemented rapid provisioning and life cycle management for Red hat LINUX using kickstart.
• Expertise in security hardening (iptables/selinux) major Production Servers, and compiling, building and installing web server-based Linux tool.
• Implemented and maintained internal systems key to DevOps operations such as database servers, continuous integration, and QA/Test servers
• Expertise in creating VM Templates, cloning and managing Snapshots.
• Worked on troubleshooting performance or configuration issues with MySQL and Oracle.
• Worked on configuring NIS, NFS, DNS, DHCP, FTP, FSTP, Telnet and RAID levels.
• Wrote scripts using BASH & PERL, Mail Server, Samba Server, and Apache Server.
• Patch management of servers and maintaining server's environment in Development/ QA staging/ Production

Environment: RHEL 4.x/5/6, Centos, Red hat Cluster, VERITAS Cluster Server 4.1, Tripwire, NFS, DNS, SAN/NAS, Chef, Puppet.

Systems Administrator

Confidential

Responsibilities:

• Provided Level 3 Support for Unix Production environment which include AIX and RHEL servers.
• Configured new IBM Power 795, 770 and 750 frames using HMC.
• Extensively worked with PowerVM including Shared Ethernet Adapters, VSCSI, NPIV and Live Partition Mobility.
• Created Logical Partitions for VIO Servers and Clients on power frames.
• Assigned processors, memory and Ethernet adapters to VIOS and assigned memory and processor to VIOC (LPARS).
• Installed VIOS 2.1.2 and applied VIOS Fixpacks via NIM Server.
• Installed AIX 6.1 and performed TL upgrades via NIM Sever.
• Restored the MKSYSB from NIM server.
• Set up Shared Ethernet Adapter failover.
• Installed EMC Powerpath and Solution Enabler on AIX hosts with EMC Storage.
• Setup new database servers for Oracle databases including standalone and RAC environments.
• Set up GPFS cluster nodes on AIX for Informatica and Cognos Application servers.
• Monitored system performance using NMON, TOPAS, VMSTAT and IOSTAT.
• Deployed Linux Virtual Machines on VMware ESX server.
• Installed Linux (RHEL) operating systems on virtual machines leveraging Cobbler Kickstart Server.
• Installed and Configuring NetBackup agent on AIX and Linux Servers over Ethernet and FC Network.
• Installed IBM Tivoli Monitoring (ITM) Agents on AIX and Linux hosts and setup thresholds for CPU, DISK alerts and Process Monitoring.
• Installed Boks KEON security software for user administration on AIX and Linux Servers.
• Created Logical Access Templates which contained the information of user classes that accessed the server for Boks KEON and requested the KEON team to either create the new host group or add it to the existing KEON hostgroups.
• Installed scheduling tools, Control-M and Autosys for scheduling database jobs.
• Installed, configured, administered, and supported IBM WebSphere Application Server 6.0/7.0 on Linux and AIX servers.
• Installed ESM agents on AIX and Linux hosts and remediating violations reported by Security Assessment team.
• Setup SSH keys for functional account for batch file transfers between various production servers for password less access.
• Disabled and enabled daemons and services and configured them.

Environment: IBM pSeries 795, 770, 750, 590 and 570 AIX 6.1, PowerVM, HMC, SAN(EMC), VMware ESX Server, RHEL 4 & 5, Oracle, Sybase