Shirosh Kumar Jayakandan

Shirosh kumar jayakandan

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location of Shirosh Kumar JayakandanRichardson, Texas, United States
Followers of Shirosh Kumar Jayakandan435 followers
  • Timeline

  • About me

    DevOps Engineer | MS. Information Technology Management at University of Texas Dallas | AWS | Terraform | GitHub Actions | Kubernetes | Python | Openstack | Jenkins | Ansible

  • Education

    • St. joseph's college of engineering

      2015 - 2019
      Bachelor of engineering - be electronics and communications engineering 7.58/10
    • The university of texas at dallas

      2022 - 2024
      Master of science - ms information technology and management
  • Experience

    • Comcast

      Nov 2019 - Jul 2022

      • Containerized environments for building yocto builds, saving cloud resources by migrating from Legacy VMs.• Integrated Jenkins jobs and the internal portal to facilitate regular VM scans and reporting through Lynis and OSCAP, enabling the identification of vulnerable machines for prompt mitigation.• Building and configuring Kubernetes-based infrastructure, Core-DNS, Kube Proxy, Ingress and leverage it for deploying Micro-Services such as Kafka and Spark.• Developed Python-based Lambda functions to monitor and alert SageMaker pipelines, integrating with AWS SNS for notifications. Also, created Lambda functions to automate regular backups of critical production servers.• Developed Jenkins jobs (both freestyle and Pipeline) ensuring Continuous Integration and Continuous deployment.• Scanned VMs for Security Vulnerabilities using Lynis and Oscap which helped in identifying security concerns.• Hardened and upgraded Linux machines including security packages, kernel and drivers for 1000+ servers.• Scanned and identified log4j vulnerability in 1000+ virtual machines and mitigated it in a span of 3 days.• Expertise in Amazon AWS Cloud Administration which includes EC2, Route 53, SNS and Amazon EventBridge. Show less • Developed DevOps scripts using Terraform and Ansible to deploy around 50 application servers on demand, reducing server creation time on both AWS and OpenStack, while implementing blue-green deployment practices.• Implemented Ansible playbooks and shell scripts to automate security improvements for 1000+ Linux machines in RDK Infra including tasks such as configuring iptables, sudo privileges, SELinux attributes and kernel parameters.• Maintained SCM tools such as Git and Gerrit, as well as Nexus artifact repositories for storing setup box images.• Created Nagios configurations and set up monitoring for 1000+ servers, thus proactively identifying issues.• Developed Jenkins jobs (both freestyle and Pipeline) for RDK builds and daily admin tasks ensuring CI/CD.• Created Ansible playbooks to manage VM configurations like installing packages and whitelisting iptables which helped in reducing manual Linux admin tasks in RDK Infrastructure.• Implemented iptables services on around 70+ Linux machines resulting in enhanced security.• Created and managed user accounts, SUDO privileges, SELinux attributes, Password policies and disk space for 2000+ servers.• Created shell scripts for admin tasks and managed them using cron jobs. Show less

      • Development Engineer 2

        Nov 2021 - Jul 2022
      • Development Engineer 1

        Nov 2019 - Oct 2021
    • Somos, inc.

      May 2023 - now

      • Implemented and deployed a React developer portal utilizing a micro-frontend architecture with 12 CDNs, 3 EKS backend services, and MongoDB across three environments: Dev, QA, and Prod.• Created CDK (TypeScript) to deploy the 12 micro frontends by hosting them in an AWS S3 bucket and distributing them seamlessly using AWS CloudFront.• Orchestrated the entire backend EKS cluster deployment using Terraform, including tasks like cluster creation, adding EKS addons, and deploying ArgoCD and Helm charts for backend applications.• Effectively created a MongoDB Atlas cluster and implemented VPC peering from the AWS end to the EKS cluster, ensuring seamless connectivity.• Orchestrated backend services using Kubernetes Helm charts and ArgoCD, ensuring efficient deployment.• Developed and maintained reusable infrastructure-as-code components in Terraform utilized by a 75-member developer community working on dozens of projects.• Developed and implemented reusable GitHub Actions workflows to automate the deployment of infrastructure and to build Node.js applications. Show less

      • DevOps Engineer

        Jun 2024 - now
      • DevOps Intern

        May 2023 - Jun 2024
  • Licenses & Certifications

    • Aws certified solutions architect – associate

      Amazon web services (aws)
      Dec 2023
      View certificate certificate
    • Aws certified cloud practitioner

      Amazon web services (aws)
      May 2023
      View certificate certificate