Summary
Overview
Work History
Education
Skills
Timeline
Generic

Vamsee Nadella

Pleasanton

Summary

Highly motivated employee with a desire to take on new challenges. Strong work ethic, adaptability, and exceptional interpersonal skills. Adept at working effectively unsupervised and quickly mastering new skills.

Overview

12
12
years of professional experience

Work History

Sr DevOps Engineer

Gap Inc
Pleasanton
04.2021 - Current
  • Architected and deployed highly available, scalable, and secure microservices applications on Azure Kubernetes Service (AKS) using ArgoCD continuous delivery tool, Docker containerization, and Istio Service Mesh.
  • Automated infrastructure provisioning using a configuration management tool (Chef) and GitHub Actions CI/CD workflow significantly reduced manual effort.
  • Configured node auto-scaling and horizontal pod autoscaling in AKS clusters, ensuring efficient resource utilization and cost savings during low-demand periods.
  • Optimized cloud costs by 25% by leveraging preemptible Virtual Machines (VMs), committed use discounts, and right-sizing resources.
  • Migrated on-premises applications to the Azure Cloud Platform (ACP) and PCF to AKS migration utilizing services such as Compute Engine, Cloud Storage, and Cloud SQL.
  • Implemented Istio Service Mesh for traffic management, security, and observability across microservices.
  • Automated certification processes for internal and external load balancers in AKS using Python programming language and Venafi certificate authority service.
  • Roles and Responsibilities:

System Engineer

Gap Inc
06.2015 - 04.2021
  • Configured Kickstart servers, booting images using PXE in Red Hat Linux. Provisioned, upgraded, patched, configured, and conducted performance tuning in a Linux environment using the RHEL satellite server.
  • Realized OS system migrations, installing packages, and updating patches accordingly. Maintained server and virtualization infrastructure through daily service.
  • Mirrored root disks using a hardware RAID controller on HP, managing and monitoring all aspects of Red Hat Linux servers. Designed and managed disk space using LVM, creating VG/LV, and extending the file system.
  • Racked, stacked, and cabled numerous physical servers on HP ProLiant DL 380/580 Gen7/8 boxes located within multiple data centers.
  • Refreshing of IBM hardware from P5, P6, and P7 to P8, and SAN migration.
  • Experience NIC bonding configuration in Linux and UNIX systems to increase the bandwidth or redundancy based on the requirements of the application.
  • Experience with Nagios in monitoring and alerting services for servers, databases, and applications.
  • Experience in monitoring system/application logs of servers using Splunk and Nagios to detect production issues.
  • Develop and maintain support documentation, including support guides and knowledge base articles, through Confluence and Box tools.
  • Roles and Responsibilities:

Linux Administrator

CVScaremark
03.2014 - 05.2015
  • Performed day-to-day system administration tasks. Installed, configured, and maintained Red Hat Linux (Red Hat Enterprise Linux 5.x, 6.x) on x86 and blade servers.
  • Worked with vendors Oracle and Red Hat support during patching and upgrades.
  • worked on troubleshooting tickets for critical server issues on a day-to-day basis.
  • Creating and cloning Linux virtual machines and templates using VMware vSphere and migrating servers between ESX hosts.
  • Handled new project works, like new server builds, server decommissioning, and server migrations, as per the customer requirement.
  • Installing and managing multipathing software, like EMC PowerPath, the Native Multipathing Device Mapper, and MPIO on Linux.

Linux Administrator

Siri Infosolutions
Edison
06.2013 - 03.2014
  • Evaluated existing hardware configurations of servers running Linux operating systems in order to optimize performance.
  • Created backups of critical data stored on Linux systems using tar and rsync commands.
  • Provided technical support for end-users experiencing problems with their Linux systems or applications running on them.
  • Monitored performance of applications running on Linux systems and tuned them as needed.
  • Diagnosed hardware failures on production servers in order to minimize downtime.
  • Managed user accounts on the Linux operating system, including creating new user accounts.

Education

Bachelor of Science - Computer Science

Acharya Nagarjuna University
Guntur

Master of Science - Engineering Management

University of Houston
Clearlake, TX

Skills

  • MongoDB, PostgreSQL, Oracle
  • Azure, GCP
  • Git, GitHub Actions, Argo CD, Jenkins
  • Grafana, Prometheus
  • Docker, Kubernetes
  • Shell, Python
  • Chef

Timeline

Sr DevOps Engineer

Gap Inc
04.2021 - Current

System Engineer

Gap Inc
06.2015 - 04.2021

Linux Administrator

CVScaremark
03.2014 - 05.2015

Linux Administrator

Siri Infosolutions
06.2013 - 03.2014

Bachelor of Science - Computer Science

Acharya Nagarjuna University

Master of Science - Engineering Management

University of Houston

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