Karnak Guha

Experience

• 

  Tata Consultancy Services

  Dec 2021 - Aug 2024

  * Engineered Red Hat Virtual Machines, physical servers, Azure VM and AWS EC2 instances . * Used Centrify to streamline user authentication across Linux servers, reducing the process time by 50 percent .* Set up networking components (TCP/IP, DNS, DHCP) for seamless server communication * Implemented and maintain SELinux and firewall, boosting system security and mitigating threats by 90 percent .* Leveraged Ansible, Satellite, Red Hat Console to ensuring efficient automation and optimization.* Used Bash Scripting to automate routine tasks by 30 percent ..* Efficiently configured and optimized Nginx for robust system administration .* Configured LVM, create filesystems ensuring efficient storage for Linux systems . Show less * Managed on-premises infrastructure and utilized Azure services for hybrid solutions.* Applied Ansible and Terraform automation, achieving a 35 percent efficiency gain in provisioning and configuration.* Implemented Prometheus, Grafana, SolarWinds to achieve 98 percent incident detection rate.* Efficiently orchestrated Docker with Kubernetes with 30 percent increase in container life cycle efficiency.* Migrated to SUSE Rancher, implemented Harbor and used Octopus for deployment management.* Introduced Git and established Jenkins pipelines to achieved 30 percent faster CI/CD .* Utilized ServiceNow ITSM for streamlined service management and enhanced efficiency . Show less

  • Unix/Linux System Administrator

    Dec 2021 - Aug 2024

  • DevOps Engineer

    Dec 2021 - Aug 2024
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  Accenture

  Aug 2024 - now

  Cloud/App Senior Analyst