Arun Kumar
Engineer at Ericsson
- Role
- Linux System Engineer at Ericsson
- Location
- Agra, IN
- LinkedIn followers
- 500 followers
About Arun Kumar
I’m a Linux & DevOps Engineer with a passion for building robust, scalable infrastructure…
Experience
Linux System Engineer
Dec 2021 — Present · Noida, IN
Operational Management of MTN Mobile Money Live System. Installing upgrade, configured and tuned RHEL and Debian systems and all associated middle in LINUXenvironments. Software Upgrade/Deployment on Live Production System. Provide top product quality control and inspection, eliminating downtime to maximize revenue. Analysing issues related to Ericsson Wallet Platform, Web Based Applications and it’s services by providingsolution or logs (JSON, YAML, XML) on customer queries. Managed over 150 Linux servers, ensuring seamless operations and maintenance. Ability to handle multiple tasks and work independently as well as a team member. Worked on flexible hours for production, backup, and on-call support for 24/7 environments. Managed Kubernetes deployments and service files and managed releases of helm packages. Uses of ansible playbook to manage web application, environments configuration files, users, and packages. Strong technical background in Storage, Disk Management, Logical Volume Management (LVM). Perform server updates, patching and upgrade on live production system. Providing L1 & L2 support for the application and Servers Administration. Monitoring and administrating on Linux servers. Improved system uptime by 99.95% implementing advanced monitoring tools. Enhanced system provisioning speed by 60% by optimizing cloud resource configurations. Installed and Configured DNS, DHCP and NFS on server and client. Scheduling of CRON entries to run at specified times and file transfers using SFTP.
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