Ahmad Haroon Rahmatullah Email & Phone Number

United States

Chicago, Illinois, United States

Work ExperienceSenior DevOps Cloud Engineer TCS, Chicago, IL Jul 2022-Till Date• Designed and maintained Microsoft Azure environments, including Azure Office 365, and performed administrative tasks related to the build, design, and deployment of Azure systems and security.• Created and implemented Azure Resource Manager (ARM) templates, deploying them through the portal, Azure PowerShell, CLI, and Azure quick start templates.• Created Azure Automation Assets, Graphical runbooks, and PowerShell runbooks to automate specific tasks, deployed Azure AD Connect, configured Active Directory Federation Service (AD FS) authentication flow, and conducted ADFS installation using Azure AD Connect.• Configured Continuous Integration (CI) from source control, set up build definitions within VSTS, and configured continuous delivery to automate the deployment of ASP.NET MVC applications to Azure Web Apps. Managed Azure Active Directory, Office 365, and performed regular upgrades.• Implemented a CI/CD pipeline using Docker, Jenkins (with TFS Plugin installed), Team Foundation Server (TFS), GitHub, and Azure Container Service. Automated new Docker container builds whenever a new TFS/GitHub branch was started.• Utilized Visual Studio Team Services (VSTS) to integrate development teams with Team Foundation Server (TFS) through the TFS Client API, exposing TFS functions.• Developed and deployed resources using ARM Templates and maintained infrastructure for teams using VSTS. Built out VSTS infrastructure for applications using Azure Automation Runbooks.• Extensive expertise in AWS Cloud Services, including EC2, S3, VPC, CloudFormation, IAM, Storage Gateway, S3 Glacier, Auto Scaling, EBS, AWS Lambda, EKS, Elastic Beanstalk, CodeCommit, CloudTrail, OpsWorks, CloudFront, Route 53, EMR, Amazon Redshift, Direct Connect, SNS, SQS, DynamoDB, ELB, ElasticCache, and AWS EMR Cluster Configuration.

Charleston Wv

Senior DevOps Engineer United Health Group, Charleston, WV Mar 2019 – June 2022• Designed and maintained Virtual Networks (VNets) and subnets, ensuring they conformed to Azure network limits and managed Azure subscriptions.• Handled Azure storage, Azure AD licenses, virtual machine backup, and recovery from a Recovery Services Vault using Azure PowerShell and Azure Portal.• Built and managed a large deployment of Red Hat Linux instances with Ansible and Terraform automation, provisioned virtual servers using Vagrant and Kitchen in Oracle VM VirtualBox, and provisioned servers in Azure VM.• Worked extensively with Azure Service Fabric to build, develop, and update microservice applications, utilizing stateful partitions with named services and secondary replicas for scalability and availability, and wrote PowerShell and Perl scripts.• Developed templates for Azure Infrastructure as Code using Terraform to build staging and production environments, and integrated Azure Log Analytics with Azure VMs for monitoring log files and tracking metrics.• Managed different infrastructure resources such as Cloud, VMware, and Docker containers using Terraform.• Responsible for core infrastructure of OpenStack projects, including code reviews, continuous integration systems, and developer tools, and conducted OpenStack multi-node installation, configuration, and administration.• Installed and configured a private Docker Registry, authored Dockerfiles to run apps in containerized environments, and used Kubernetes to deploy, scale, load balance, and manage Docker containers with multiple namespaces.• Created pipelines for deploying code from GitHub to Kubernetes clusters in the form of Docker containers using the Spinnaker platform.• Built and maintained Docker container clusters managed by Kubernetes on Azure, and utilized Kubernetes and Docker for the runtime environment of the CI/CD system for building, testing, and deploying.

Chicago, Illinois, United States

DevOps/SRE Engineer Peerless Network, Chicago, IL May 2017 - Mar 2019• Developed microservices using Python and Jenkins, facilitating the creation and maintenance of build jobs and Kubernetes deployments.• Created Azure storage accounts, VNets, subnets, assigned public IPs, modified security groups, NICs, and Azure VMs for internal applications, and installed and configured Kafka and Zookeeper clusters using Ansible playbooks.• Automated various infrastructure activities including continuous deployment, Apache Tomcat server setup, and stack monitoring using Ansible playbooks, integrated Ansible with RunDeck and Jenkins, and regularly provisioned and patched servers with Ansible.• Deployed Docker services on the Docker cluster using Ansible modules for the entire microservices stack.• Integrated Ansible Tower with Jenkins for rapid deployment of critical applications, managed changes, and provided encryption for task files using Ansible Vault.• Set up Kubernetes clusters for running microservices, deployed microservices into production with Kubernetes-backed infrastructure, developed automation of Kubernetes clusters via Ansible playbooks, and integrated Ansible with Jenkins for CI automation.• Implemented Jenkins workflows and plugins for repeatable deployments of multi-tier applications, artifacts, and services to Docker, and created Chef recipes and cookbooks to automate the deployment process and infrastructure admin tasks.• Automated installation and configuration of Docker VMs, Jenkins master and slave setup using the Swarm Jenkins plugin on Azure VMs, WebLogic, Windows Server, WebSphere, Tomcat, and SQL databases using Chef.• Used Jenkins as a full-cycle continuous delivery tool for package creation, distribution, and deployment onto Tomcat application servers via embedded shell scripts.• Integrated Jenkins with various DevOps tools like Nexus and SonarQube, and utilized Kubernetes and Docker for the CI/CD system

Charlotte Nc

SRE EngineerMUFG Union Bank, Charlotte NC June 2015 - April 2017• Install, configure and administration of BEA Web Logic Application Server 10.3/11g/12c, SOA suite, OSB, ESB, OBIEE, OPA, Portal and ODI on Linux and Windows environment.• Developed UNIX shell/WLST scripts, JBoss CLI, Ansible, Jenkins for automating deployments, Patching and day to day operation/configuration activities. • Upgraded and Migrated Web Logic Server versions updated JDK versions and installed service packs.• PerformedLegacy Application migration from VCLOUD to GCP along with deploying Artifacts in GCP platform by using Packer.• Design and implement data pipelines using GCP services such as Dataflow, Dataproc, and Pub/Sub• Develop and maintain data ingestion and transformation processes using tools like Apache Beam and Apache Spark• Create and manage data storage solutions using GCP services such as BigQuery, Cloud Storage, and Cloud SQL• Deployed the applications, formats of WAR, JAR and EAR in WebLogic and JBoss.• Supported developers for Java-based web applications, administered Java updates on production Linux servers, and managed monthly overall updates on development servers.• Planned, built, and supported new infrastructure, including VMware ESXi and vSphere virtualization servers, new file servers, and other resources.Implemented Kickstart/PXE-boot configuration for automating Linux installations.Implemented RAID 0, RAID 1, RAID 5, and RAID 10 for creating logical volumes using Veritas Volume Manager and Red Hat cluster servers in a SAN Storage Area Environment.Managed critical events and monitored web servers and other services using the Nagios monitoring tool.• Environment: Windows, Unix, Linux (RHEL 5.x/6.x), Solaris 9/10/11, SUSE, LVM, GCP, Tomcat, Routes, Firewall, DNS, NIS, Cron Job, Zabbix, Nagios, HTTP, SSH, Telnet, FTP, RSH, RAID 0/1/5/10, VMware, Kickstart, Java, Python, Perl, Shell, Bash Scripting, Splunk.