Léon AMIRKHANIAN

As a Linux DevOps System Consultant, I lead complex initiatives aimed at optimizing operational efficiency and system stability. My role involves coordinating teams, implementing advanced automation solutions, and ensuring infrastructure security. With deep expertise in Linux administration and DevOps, I strive to create agile environments that foster continuous innovation. My goal is to ensure seamless integration of new technologies while adhering to quality standards and deadlines. Tasks performed for multiple clients: - Linux support - Building kernels for new hardware. - Debian and Slackware packaging. - Installation and configuration of jenkins and nodes (build servers). - Writing python tools with rudder API. - Managing 900+ Desktops and servers with Rudder. - K8S managing and configuration - Prometheus / Grafana - Configured Squid with Apache2 to cache Samsung Android firmware updates. - Managed over 500 servers using Salt. - Installed and configured Zabbix server for monitoring. - Installed and configured Harbor for container image management. - Performed hardening and fixed misconfigurations to enhance security - Configured and used Gitlab CI.

- Weekly meetings with the General Director to review progress and IT issues. - Management of OVH environments, including dedicated servers and public cloud. - Configuration and administration of OpenStack instances. - Supervision and maintenance of Xen infrastructure. - Management and coordination of an IT team. - Regular verification of backups to ensure data security. - Continuous monitoring of the infrastructure to ensure proper functioning. - Upgrading of machines to maintain system performance and security. - Writing and implementing new processes to improve the efficiency and security of IT operations.

* Arcatem Open Source manager (since January 2017) - Technical interviews - Managing team career. - Team building. * Sagemcom (since june 2017) - Implementation of Maven/Nexus/Sonar and writing installation how to. - Installed Atlassian confluence and Jira. - Linux support - Modified and correcting checks on Nagios monitoring. - Building kernels for new hardware. - Debian and Slackware packaging. - Installation and configuration of jenkins and nodes (build servers). - Writing python tools with rudder API. - Managing 900+ Desktops and servers with Rudder. * RTE (until june 2017) - Technical referent - Implementation VMware vCenter infrastructure - Migrated physical servers to virtual machines - Moved hors site servers to another site. - Extended R&D site

* RTE (Since November 2011) - Linux platforms administration. - User help-desk for linux and windows systems. - Backup server migration (IBM Tivoli Storage Manager). - Development of GLPI plugins. - Teammate recruitment and help to fit in the team. - Migration of FTP server migration from a solaris system to linux. - Scripting in various languages as bash, python and php. - Migrating old project architecture from 32bit to 64bit. * Thales (4 months) - Made a perl script which automatically generate Nagios/Centreon configuration file within the Centreon API (CLAPI). - Made a script to automatically install and configure the monitoring solution packages. - Set up a distributed Nagios/Centreon architecture. - Architecture, setup and operating documentation writing. * EDF Dunkerque LNG (6 month) - Customer relationship with Mac and PC resellers. - Comparison between Mac/PC specifications. - Network design and look after its evolution. - Organization of a Mac demo with employees and Mac reseller. - Specifications writing of an EDM (Electronic Document Management). - Call for EDM tender follow-up. - Organization of users PC migration to Mac computers. Customer relationship with mobile operators.

- Development of solutions in Objective-C, AppleScript, bash, php. - Podcast Producer 2 workflows optimizations. Elaboration of a Quicktime Streaming Server model. - Made Xsan model with various services as Open Directory, DNS, file sharing, Final Cut Server, Episode Engine. - Issues Troubleshooting or bugs reporting to the R&D. - Writing of Mac OS X configuration documentation for third party application. - Writing of document to configure Microsoft Sharepoint for Mac OS X compatibility. - Participation to Apple Tech Series.

- System and Network administration with Apple computers. - Servers, users computers and iPhones management (11 employes). - Improvement of servers configurations for security and ease of management. - Migration of servers from Mac OS X Leopard to Snow Leopard. - Writing of scripts, managed websites in HTML, PHP and JAVA with tomcat. - Managing HP switch (made vlan).

- Troubleshooting users desktop with Windows XP. - Managing windows server 2008 active directory administration. - Fixing and reinstalling employees computer connected to the active directory. - Assisting in development and writing of a user document for the website

· Administrator on apple computers. Server management and user support · Migration of Mac OS X Tiger to Leopard. · Made Scripts on Mac OS X, managing some website in html and php · Had to manage DNS, FTP, VPN and Podcast Producer services on Mac OS X Server · Organized and scheduled backup with time machine and with rsync. · Ordered new computers and memories.