Diaa Elhosary

Experience

• 

  Dell Technologies

  Feb 2019 - Apr 2022

  • Working in the Elastic Cloud Storage support backend team as an escalation Engineer to handle escalations, critical service requests and to manage Operational Engineering, Development Teams and Component Specialists engagement.• Working as a Swarm Advisor to guide EMEA region Engineers in handling severe requests and troubleshooting customer systems.• Working with Operational Engineering to develop resolution for critical system's issues and for creating multipurpose bash and python scripts for system's analysis and bug fixes.• Delivering Technical onboarding sessions for new hires and weekly sessions for ECS Support Team Engineers to discuss new issues, bugs fixes, product skills-oriented topics.• Reviewing periodically Knowledge Base Articles for modifications and updates, also creating and approving new KBs to be used by the EMEA ECS support teams. Show less • Provide technical support for "ECS Elastic Cloud Storage" DELL EMC's Object-Storage solution and "CTA Cloud Tiering Appliance" DELL EMC's policy based archive and repository tiering solution.• Working closely with customers through remote sessions like webex and zoom or through DELL EMC legacy secure SSH tunneling gateway ESRS to troubleshoot and perform systems analysis.• Troubleshooting and analyzing Docker container based distributed storage system "ECS", Performing capacity and retention analysis, troubleshooting ECS embedded switches for networking issues and addressing any server side hardware related issues.• Troubleshooting Data Access clients issues for ECS protocols including Amazon S3 / NFS / HDFS / CAS / Open Stack Swift.• Work on configuring and troubleshooting CTA File and Block Archives, Cloud Tiering, Data and Repository Migration, Orphan and Stub file management and the underlying PostgreSQL Database management system issues, involves troubleshooting integrations with solutions like DELL EMC VNX / Unity / CELERRA / CENTERA / DATA DOMAIN / ECS and third party like NetAPP / AWS S3 / Microsoft Azure.• Working with Implementation Services, Technical and Service Account Management Teams on applying the best practices anddeveloping plans for bug fixes, upgrades and scaling up and out customer's ECS clusters. Show less • Provide technical support to field support personnel, Dell customers and Dell distributors for "Data Domain" DELL EMC DataProtection and Backup Appliance.• Develop resolutions to problems of limited scope and follows standard practices and procedures to plan and apply code versionsupgrades, bug fixes and change orders for customer's systems.• Work closely with customers to resolve technical issues including Operating Systems (UNIX, Windows), Networking (Ethernet, FiberChannel, iSCSI), Storage Area Networks, Network Attached Storage. Show less

  • Technical Support Engineer II, Enterprise Technical Services.

    Jun 2021 - Apr 2022

  • Technical Support Engineer I, Enterprise Technical Services.

    Jun 2019 - Jun 2021

  • Upgrade Engineer, Remote Proactive Services.

    Feb 2019 - Jun 2019
• 

  Siemens Digital Industries Software

  Apr 2022 - now

  Senior Virtualization/IT-Infrastructure Engineer, Global Virtualization and Containers Services.

  • Oversee and support a global virtualization ecosystem of 3000+ hosts and 65,000+ Virtual Machines built primarily on VMware vSphere.• Orchestrating and operating virtualized on-premise cloud for a self-service IaaS model for all Siemens DI SW development teams and divisions across global datacenters (NA, EMEA, APAC).• Operating three different IAAS models for Fully persistent virtual servers / Transient virtual servers for test and lab environments / Virtual desktop infrastructure.• Orchestrating VMware software solutions including VMware Aria Operations Suite “Loginsight & Operations Manager”, vRealize Automation and Orchestrator, vCloud Director, VMware Horizon View, vSphere Environments. • Automate operations, system monitoring, and provisioning to boost reliability and efficiency. • Continuously enhance the end-user experience for all virtualization services through Automation/Scripting to create different workflows/lifecycle policies, projects and pipelines for virtual servers deployment and disposal, various software API integrations, monitoring and reporting for the different infrastructure layers and components ex. (compute and storage resources, VM backups, infrastructure virtual machines), auditing and analyzing all the virtualization services periodically to measure compliance, adherence to SLAs and to perform cross functional tasks.• Working as a level 3 point of escalation resource for handling tickets for virtualization services from local support teams globally, field engineering and service delivery teams. • Plan and manage capacity to meet growing service demands and collaborate with global teams to align virtualization strategies with R&D and Sales goals.• Currently working on POC projects for using managed SAAS Openstack solution as our Virtualization Management Plane, KVM as a hypervisor OS, Ansible/Ansible-Tower and Terraform for Automating workflows and Infrastructure Orchestration to replace some of our VMware Infrastructure. Show less