SUMMARY:

• 8 years of experience in IT Infrastructure, cloud computing, Infrastructure as a service (IaaS) Virtualization, Linux System Administration, Network Administration, Open stack engineer, Configuration Management.
• In - depth understanding of the Principles and Best practices of Software Configuration Management (SCM) in Agile, SCRUM, Waterfall methodologies.
• Experience in working with Software Configuration Management tools - Puppet and Chef
• Configured and monitored distributed and multi-platform servers using chef. Defined Chef Server and workstation to manage and configure nodes.
• Developed Chef Cookbooks and Recipes to manage systems configuration.
• Experience in working on version control systems like Subversion, and GIT and used Source code management client tools like Git Bash, GitHub, Git GUI and other command line applications etc.
• Experience in working with ANT Scripts, MAVEN for deployment and running test suites for various firm wide applications.
• Administration and storage experience in administering Hitachi Enterprise storage arrays.
• Worked under AWS management tools such as (EC2, EBS, ASG, RDS, R53) Developed AWS Cloud formation templates to create custom sized VPC, subnets, EC2 instances, ELB, Security Groups.
• Set up the scripts for creation of new snapshots and deletion of old snapshots in Amazon S3.
• Worked on setting up the life cycle policies to back the data from AWS S3 to AWS Glacier.
• Experience with Microsoft windows Azure Cloud Services.
• Configured and managed Open stack components such as keystone, nova, neutron, glance, swift, Heat.
• Automated AWS infrastructure via Ansible and Jenkins - software and services configuration using Ansible.
• Involved in design, configuration, installation, implementation, management, maintain and support for the Corporate Linux servers RHEL 4.x, 5.x, SLES 9, CENTOS 5.x.
• Installation of patches and packages using RPM and YUM in Red hat Linux.
• Working on Linux logical volume(LVM), creating volume group, logical volumes, file systems, and troubleshooting.
• Experienced in working with Continuous Integration and Deployment using various CI tools- Jenkins, Bamboo.
• Configured various jobs in Jenkins and Hudson for deployment of Java based applications and running test suites.
• Experience in creating Jenkins CI pipelines and to automate most of the build related tasks.
• Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Used Atlassian Product such as JIRA to track issues and Change Management.
• Experience in working with WebLogic Enterprise Management Console and WebSphere consoles for setting up project related configurations.
• Extensive working experience of managing, troubleshooting IBM Power7, Power6 and Power5 (P520/P550/P5 55A/p5 52A/P750/P710) series systems.
• Managed and configured VMWare virtual machines running Oracle/Sun Solaris X86/64, Red Hat Enterprise Linux and Oracle Linux server.
• Involved in the functional usage and deployment of applications in Web Logic, Web Sphere and Apache Tomcat Server.
• Configuration of servers such as DNS, DHCP, NFS, Automount, send mail, FTP, remote access (SSH), Active Directory, Security management and Security trouble shooting skills.
• Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
• Good experience in reviewing system logs files for errors, settings up Cron jobs for backups and monitoring process.
• Authorized to work in United States for any employer

PROFESSIONAL EXPERIENCE:

Sr. Cloud & DevOps Engineer

Confidential - Bethesda, MD

Responsibilities:

• Migrating the existing v1 (Classic) Azure infrastructure into v2 (ARM), scripting and templatingthe whole end to end process as much as possible so that it is customizable for each area being migrated.
• Configured Azure VPN-Point to Site, Virtual networks, Azure Custom security, Endpoint security and firewall, Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, security policies and routing.
• Provided high availability for IaaS VMs and PaaS role instances for access from other services in the VNets with Azure Internal Load Balancer.
• Used Azure OMS & Power BI for visualizing the activities. Worked on Azure App Insights, Alerts and Log Analytics for Monitoring as part of OMS.
• Ensured successful architecture and deployment of enterprise grade PaaS solutions using Pivotal Cloud Foundry (PCF) as well as proper operation during initial application migration and set new development.
• Expertise in configuring Pivotal Cloud Foundry (PCF) components OAuth2 server and, Cloud Controller, nsync, BBS, Cell Rep, Blobstore, Diego Cell.
• Converted existing Terraform modules that had version conflicts to utilize cloud formation during Terraform deployments to enable more control or missing capabilities.
• Deployed web applications into different application servers using Jenkins and implemented Automated Application Deployment using Ansible.
• Written Chef Cookbooks, recipes to automate installation of Middleware Infrastructure likeApache tomcat, JDK, and configuration tasks for new environments etc.
• Worked on Chef where in wrote code on workstations using Knife to interact with server and setting up Chef Infra, bootstrapping nodes, creating and uploading recipes, node convergence inChef SCM.
• Virtualized the servers using the Docker for the test environments and Dev-environments needs and configuration automation using Docker containers.
• Worked on infrastructure with Docker containerization. Collaborated with development support teams to setup a continuous delivery environment with the use of Docker.
• Configured and setup Kubernetes Cluster environment with master and Nodes. Managed local deployments in Kubernetes using mini kube, creating local cluster and deploying application containers.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Maven to schedule the builds. Took the sole responsibility to maintain the CI Jenkinsserver.
• Responsible to setup Jenkins server and build jobs to provide continuous automated builds based on polling and post-hook scripts in source control systems like GIT.
• Artifacts generated by Jenkins & configured jobs with the Maven for various deployments of Managed JAVA/J2EE enterprise applications in agile environment, automated solutions using Python &managed artifacts in NEXUS repository.
• Maintained build related scripts developed in shell for Maven builds. Created and modified build configuration files including POM.xml and convertedbuild.xml into pom.xml to build the applications using MAVEN.
• Managed GIT repositories for branching, merging, and tagging. Configured GIT with Jenkins and schedule jobs using POLL SCM option and integrated to automate the code checkout process.
• Configuring and managing an ELK stack, set up the Elasticsearch ELK Stack to collect, search and analyze log files from across the servers and Evaluated system logs using ELK software stack.
• Monitoring SPLUNK authentication and permission for supporting large scale SPLUNKdeployments. Used JIRA for bug tracking, issue tracking and project management.
• Communicated status of WCF Active Directory integration project to project stakeholders.
• Using Python, Perl and Shell scripts for automation and monitoring, the administrative tasks and management using CronJobs.
• PowerShell scripting for Automation - Creating VM's, Virtual Networking, VPN, Key Vault, Load balancer and Disk Encryption.
• Automated Test cases and Steps by using concepts Overloaded Function, Variable, Array (single and multi-dimensional) and conditional logic to make script more logical and Debug Java Script.
• Worked in creating, cloning Linux Virtual Machines, templates using VMware and migrating servers between ESX hosts using VMotion and installed Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.

Environment: VMware, Azure, Pivotal Cloud Foundry (PCF), Elasticsearch, Logstash & Kibana (ELK), Chef, Puppet, Ansible, Maven, Jenkins, Terraform, Python, Ruby, Shell, TFS, JIRA, Splunk, Oracle, WebLogic Server 11g, Apache Tomcat, Docker, Kubernetes, VMware, Apache HTTP server, Nginx, JSON, Nexus, Java, .Net, LDAP, JDK1.7, GitHub.

Linux Administrator/ DevOps Engineer

Confidential - New York, NY

Responsibilities:

• Experience in Windows Azure Services like PaaS, IaaS and worked on storages like Blob (Page and Block), SQL Azure. Well experienced in deployment & configuration management and Virtualization.
• Experience on Administration and Troubleshooting of Azure IAAS Components (VM, Storage, VNET, OMS, NSG, Site to Site VPN, RBAC, Load Balancers, Availability Sets Azure Cloud Infrastructure design and implementation utilizing ARM templates.
• Excellent knowledge in Azure compute services, Azure Web apps, Azure Data Factory & Storage, Azure Media & Content delivery, Azure Networking, Azure Hybrid Integration, and Azure Identity & Access Management.
• Experience in Azure Identity Access Management by empowering the extra levels of approval, for example, MFA (Multi-factor authentication
• Moving of existing application to a Cloud Platform that scales over numerous data center.
• Experience in Azure VN (Virtual Networks), Network Security Groups and granting access control rules.
• Analyzing in working with Ansible, wrote many playbooks to manage Web applications, Environments configuration Files, Users, Mount points and Packages.
• Wrote Ansible Playbooks to automate the Build of Docker Image, Utilized Jenkins to Auto push to Docker HUB, Automated the infrastructure downloaded and managed Ansible roles from Ansible Galaxy.
• Developed Ansible Playbooks using YAML scripts for launching different EC2 virtual servers in the cloud using Auto-scaling and Amazon Machine Images (AMI
• Worked on Ansible and Ansible Tower to automate repetitive tasks, to deploy critical applications quickly, and proactively manage the changes.
• Installed and configured Jenkins with SonarQubes and GIT by installing GIT plugins and building the artifacts using Maven automation tool and storing the build artifacts into Nexus repository and deploying it to WebSphere server.
• Installing, Configuring and Administering Splunk Enterprise Server 6.0/6.3.2 and Splunk Forwarder 6.0 on Red hat Linux and Windows severs.
• Developed Splunk Dashboards, searches and reporting to support various internal clients in Security, IT Operations and Application Development.
• Configured Selenium testing framework for testing the Java web applications and integrated with GIT for local repositories used by Developers.
• Built various containers using Docker engine and Docker Machine environments, to deploy the micro services oriented environments for scalable applications. Experience in writing Docker files to build the micro-service applications.
• Monitored the applications on IBM WebSphere application server and integrated configuration of web apps with WebSphere. Extensively involved in the migration of applications from WebSphere.
• Implemented horizontal and vertical scaling of WebSphere Application Server (WAS) in a workload-managed cluster. This has involved modeling and cloning services in WAS.
• Created virtual portals and managed pages, themes and skins and deployed portlet war files using XML access and Config Engine. Also, exported and imported portal configurations from one environment to other using XML access and updated higher environment with the changes.
• Configured BIG IP GTM/LTM (F5) for various inbound traffics including internal service API calls and external traffic. Wrote rules for BIG IP to route the API calls to various operations.
• Worked on Virtual Zing Red Hat servers using v Sphere 4.1/5.0 and managed ESX servers using v Center also worked with ESX Cluster and VMotion. Installation, configuration & upgrade of VMware ESXi, vSphere, vCenter clients.
• Used VMware VMotion to eliminate application downtime from planned server maintenance by migrating running virtual machines between hosts.
• Experienced in setting up monitoring tools like Nagios to monitor major metrics (Load Balancer Latency, CPU Utilization, network packets Experience in monitoring using SolarWinds Virtual Manager.
• Experience in maintaining and troubleshooting windows server windows 2000, 2003, 2008R2,2012 versions and Windows Server.
• Introduced and arranged EMC Control Center, Storage Scope reports with Crystal reports utilizing custom SQL questions. Capacity reports to different levels of administration on a week after week, month to month and on- request premise. Screen plate subsystems with the expectation of complimentary space edges and make vital move to guarantee adequate levels are kept up crosswise over storage units and Data Centers.
• Installed and configured RedHat Enterprise Linux 7.x, CentOS 7.x and packages for RedHat Linux Servers. Installed, configured and maintained Red Hat Linux (Red Hat Enterprise Linux 5.11 & 6.9) on SPRAC, x86 and Blade Centers.
• Experienced in installation, configuration and management of HTTP, NGINX, NTP, NFS, FTP, DHCP, DNS. Created Shell Scripts to monitor the administrative tasks and automated the tasks to free up the resources using Cron jobs.
• Experienced in setting up monitoring tools like Nagios and amazon cloud watch to monitor major metrics (Load Balancer Latency, CPU Utilization, network packets
• Worked with different bug tracking tools like Jira, Remedy. Finding and documenting the issues that arise with Jira in confluence in combined effort with Jira.
• Used MySQL, DynamoDB, IBM DB2 and Elastic Cache to perform basic database administration. Involved in all phases of Software development life cycle (SDLC) and experienced with fast paced agile methodologies.

Environment: Linux, DevOps, Azure, Jenkins, Confluence, Maven, Nexus, GIT, SolarWinds, Nagios, Ansible, RDS, Chef, Selenium, Jira, Remedy, Nagios, Docker, WebSphere YAML Script.

DevOps Engineer

Confidential

Responsibilities:

• Created, cloned Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers across ESX hosts.
• Automated the Applications and MYSQL, NOSQL container deployment in Docker using Python and monitoring of these containers using Splunk.
• Maintained build related scripts developed in ANT, Python and shell. Modified build configuration files including Ant's build.xml.
• Configured firewall based on Redhat Linux and FreeBSD 4.x that has three network interfaces.
• Performed P2V migrations of physical RHEL (5/6) servers to VMware environment using VMware Converter.
• Worked on cloud automation framework namely CHEF which included automation of certain software installation processes in the form of Ruby code
• Build deployable artifacts (jar, war & ear) from the source code using the build tools like MAVEN and ANT.
• Experience with the VMware ESX Server, VMware Virtual Center, Vmware HA, Vmware DRS, and Vmware Consolidated Backup (VCB).
• Used Micro services and containers to support DevOps environment.
• Maintained AWS cloud-based proof of concept ecosystem comprised of various tools within the CI/CD life cycle in Jenkins, & present demonstrations to clients based on their specific use cases & popular trends in DevOps.
• Developed Jenkins Plugin to automate artifact upload to Nexus (Repo) through Jenkins.
• Scripting of administration tasks using CLI, Power Shell, Shell, and Ruby. Built upstream and downstream jobs in Jenkins to build and deploy onto different environments.
• Created multiple Python GIT hook scripts (pre-push, post-push) to ensure code quality for the code.
• Created the automated Kickstart environment for linux standard builds for WEB, APP and DB servers.
• Created and deployed a tool to automate branch and project creation in subversion using Perl and Chef Scripts.
• Performed code line GIT pushes (releases) to production and customer servers and Developed and improved GIT push script.
• Created Linux containers in CoreOS and Docker and Automated system using chef
• Integrated Maven with Jenkins for the builds and deployed into application servers.
• Involved in build and maintain Highly Available secure multi-zone AWS cloud infrastructure utilizing Chef with AWS services and Jenkins for continuous integration.
• Worked extensively on automation engine Ansible that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs.

Environment: Jenkins, GIT, Docker, Splunk, Maven, AWS services, Linux, Chef, Python, Perl, RHEL, VMware, Ansible, Kickstart.

System Engineer

Confidential

Responsibilities:

• Responsible for supporting Linux servers for production, development and testing.
• Installing, Configuring and Maintaining the DHCP, DNS, NFS send mail server.
• Performed installation and configuration of LDAP.
• Performed addition of swap space at run time.
• Resolving TCP/IP network access problems for the clients.
• Implementing Remote System Monitoring with Sun Microsystems.
• Performing extensive Logical Volume Management (LVM) tasks.
• Open-source development, including code contributions to Bcfg2, MUNGE, pdsh, SLURM, VMware Ruby.
• Troubleshooting backup and restore problems and performed day-to-day troubleshooting for the end users on Solaris and Linux based servers.
• Configured and maintained NFS servers on Linux.
• Setting up Oracle 8 server in Linux/Unix environment.

Environment: Linux (RedHat Enterprise, CentOS), Windows 2003, HP, IBM, Solaris, SLURM, Oracle 8, SSH Gate, Cisco routers/switches, Dell 6400, 1250, Sun E450, E250.