As a Linux system engineer I’m responsible for the maintenance of the Red Hat Enterprise Linux servers, administrating it, maintaining it operational and also watch the systems are functional and usable. I take care of the day-to-day administration and measure and optimise system performance as well. I’m also in charge of monitoring the systems, ensuring its security and reliability. It’s down to me to manage OKD clusters, ensuring high availability, performance, and scalability, monitor and troubleshoot OpenShift environments, identifying and resolving issues to ensure optimal performance. what I also do is manage user access control and permissions within OKD.

• Worked as Red Hat Linux system engineer in IT infrastructure environment providing server administration, application administration and automation solutions to support business objectives
• Installing, maintaining, administrating, upgrading and deploying latest patching for Red Hat Linux systems
• Automation daily repetitive actions by write puppet manifests, ansible playbook and shell scripts
• Using Puppet to deploy and manage multiple system services ELK’s stack and Java applications across Linux servers
• Management and maintenance of OpenShift and OKD environments
• Worked closely with development staff to ensure reliability and availability applications

SysOps

• Administration, maintaination Ubuntu, Debian, CentOS, FreeBSD troubleshooting operation systems and services, network problems and performance
• Management of application environments based on dockerization
• Network monitoring using Nagios tool
• Scripted in Python to deploy and manage applications
• Wrote shell and python scripts to automate daily repetitive activities
• Used Puppet for provisioning systems, automation and system monitoring tool
• Helping developers deploy, improve and configure application
• Experience with MongoDB, InfluxDB, Redis, ELK, Grafana, HAProxy, Varnish, Git, Docker - Providing 24/7 on call supports on Linux Production Servers
• Providing 24/7 on call supports on Linux Production Servers

Linux System Administrator

• Installation, configuration and administration RedHat Linux
• Administration and maintaination Oracle Linux, Oracle Linux Virtualization Manager
• Implemented day-to-day tasks in operation systems that include upgrading and patching packages, kernel, HBA driver, configuration SAN disks, multipathing and LVM file system
• Network monitoring using Zabbix tool
• Experience in working with SAN hardware and networks
• Implementation of security policy rules
• Providing the support of building the servers, patching, administration tasks, software installation, performance tuning and troubleshooting