Subrat Sahoo Email & Phone Number

Remote

• Design Engineer 07/2022-Kubernetes Cluster Configuration and Implementation Specialist | AT&T Cloud | Azure DevOps • Successfully configured and implemented a comprehensive Kubernetes cluster on the AT&T cloud using Azure DevOps resources within a CI/CD environment.• Developed and optimized the Azure pipeline, enabling seamless execution and retrieval of configurations (infrastructure as code in Ansible) from Azure and Gitlab repos.• Implemented the configurations through agents, effectively creating and managing the Kubernetes cluster.• Utilized Helm charts to deploy and integrate various Telecom applications within the Kubernetes environment, ensuring efficient and streamlined deployment processes.• Played a key role in designing and developing platform codes specific to the Kubernetes environment, following customer-defined AHA (Availability, High Performance, and Autonomy) design specifications.• Collaborated closely with cross-functional teams, including developers and system administrators, to ensure smooth integration and operation of the K8s cluster and associated applications.• Employed strong problem-solving skills to troubleshoot and resolve any issues related to the configuration and implementation of the Kubernetes cluster.• Created a comprehensive installation and configuration design guide on Confluence, providing detailed instructions and best practices for future reference.

Austin, Texas, United States

• Work Summary as Network Cloud Virtualization Engineer (Team Lead) | SME for Site reliability Infrastructure and Platform Implementation.• Highly skilled Network Cloud Virtualization Engineer with experience in planning, designing, and developing Network Cloud virtualization solutions.• Proficient in utilizing Python and Ansible for installing and configuring infrastructure.• Experienced in automating test cases for Lab Resiliency testing.• Adept at monitoring infrastructure using various tools, troubleshooting back-end API calls, and analyzing/restructuring applications using VMware and OpenStack.• Strong expertise in configuring and maintaining Load Balancers and Firewalls, resolving related issues, and ensuring network performance.• Proven ability to lead teams, mentor junior members, and contribute to talent development.Experience Highlights:• Planned, designed, and developed Network Cloud virtualization and integrated cloud infrastructure.• Generated test cases and scripts using Python and Ansible for quality assurance framework.• Automated Lab Resiliency testing and monitored ATT infrastructure using various tools.• Analyzed, designed, and restructured applications using VMware ESX/ESXi, vCenter, and OpenStack.• Configured and maintained Load Balancers and Firewalls such as Brocade and Palo Alto.• Led a team, mentored junior members, and contributed to talent development.• Supported hardware and software for over 1000 servers, performed network troubleshooting, and root cause analysis.• Maintained Linux machines with security compliance and guidelines.• Implemented automation and integration for cloud and system infrastructure using Python, Ansible,Puppet.• Orchestrated and configured management tool sets like Ansible, Puppet and OpenStack Heat.• Configured and tested OpenStack environment, integrated OpenStack with OpenVswitch SDN Networking.• Developed Ansible playbooks and scripts for platform validation and OpenStack deployment.

Austin, Texas Area

• • Results-driven expertise in implementing virtualization and evaluating server performance.• Proficient in utilizing open-source tools like QEMU/KVM, virsh, and libvirt. Experienced in implementing nightly builds, updating firmware, and applying patches on ARM-based SDP systems.• Skilled in configuring network setups using Mellanox VFIO PCI-SRIOV Ethernet cards and conducting performance evaluation tests. Adept at developing automated test scripts and resolving kernel-related issues.• Collaborative team player experienced in planning and implementing OpenStack clouds on ARM SoC SDP systems.Experience Highlights:• Implemented virtualization and evaluated server performance for Qualcomm's multicore ARM64 SoC using QEMU/KVM, virsh, and libvirt.• Conducted nightly builds, updated firmware through JTAG, and applied necessary patches on ARM-based SDP systems.• Configured network setups using Mellanox VFIO PCI-SRIOV Ethernet cards and performed performance evaluation tests on host and guest VMs.• Developed automated test scripts to install and configure host and guest VMs for testing OE and Ubuntu Linux.• Debugged and performed root cause analysis of kernel hangs, crashes, and other failures, and created Jira tickets with collected console and JTAG logs.• Collaborated with engineering teams to plan and implement various OpenStack clouds on ARM SoC SDP systems.

Round Rock ,Texas

Server Test Automation Engineer:• Responsible for writing test plans and test cases for performance evaluation of Dell Server iDRAC and BMC interfaces.• Supported the development, execution, and debugging of automated test scripts for Dell servers in distributed host environments.• Collaborated as a team player in planning and implementing OpenStack clouds on ARM SoC SDP systems.

Austin, Texas Area

Technology Lead Engineer:• Led a team of offshore engineers in developing test plans and writing test cases based on AT&T design documents for various features of WiFi systems.• Executed test cases manually and then developed QA automation scripts for improved efficiency.• Successfully implemented a proof of concept (POC) of OpenStack cloud and Puppet in a testing lab environment, replicating the existing vSphere setup.• Configured server and network setups based on test plans and design documents.• Created and managed lab setups consisting of WiFi access points, wireless controllers, switches, and Linux-based routers from different vendors.• Configured and set up enterprise-grade WLAN controllers and access points, including Cisco, Ruckus, and Aruba, integrating them into distributed server environments.

Austin, Texas Area

Linux System Engineer : • Installed and configured Unix-based servers and Cisco network devices to ensure optimal performance and functionality.• Implemented monitoring and logging solutions, utilizing tools like Puppet, to ensure system stability and efficient management.• Developed automation scripts using Bash and Python, streamlining system administration tasks and improving overall efficiency.

Austin

System and Network Engineer: 4 yearsProject: Advanced Apple Mac Pro.• Installed and configured Unix Server, data storage solution, network connectivity with routers, switch, firewall setup and security for manufacturing Apple Mac Pro in a complex M2M distributed network environment.• Developed and implemented a complete new hardware and software automated manufacturing test infrastructure collaborating with Apple design and development team for most advanced Mac Pro system started from board component level assembly until final products launched in 2014.• Developed test and automation script using Apple proprietary tools and software package for testing and debugging from component level up- to system level for manufacturing various Apple Mac products.• Worked closely with Apple team to conduct various hardware reliability and software regression test using various packages, utilities and tools provided by Apple. Senior Test Development Engineer: 5 YearsProject: Cisco enterprise routers and switches: • Worked as Cisco Context Engineer with sole responsibility of administering test network infrastructure, server Installation, configuration and performance monitoring, analysis and troubleshooting hardware, and software in distributed manufacturing networks.• Developed test and automation script using Cisco proprietary tools based on python and shell script for testing and manufacturing various Cisco products from board to final system level.• Worked closely with Cisco software and Hardware team for testing and debugging various Cisco Enterprise routers and switches based on IOS and IOX. Projects: Development of Linux based embedded prototypes used for manufacturing and testing electronics equipment.• Developed and implemented a network based embedded Linux power switching box used for controlling multiple test and diagnostics equipment.• Developed a LabView based NI DAQ system used for testing various industrial electronics products.

Master Of Science (Ms), Embedded System Design, 3.7/4

Research Associates: • Worked as part time Systems Administrator for support and maintenance of graduate IT infrastructure. • Testing.

Bachelor Of Engineering (Beng), Electrical, First Division

Thesis: Implementation of Real-Time feature detection and tracking on a low cost Reconfigurable Computing system (FPGA). Graduate level.