




Summary: Join the IONOS Group as a Senior Linux Systems Engineer, focusing on operating and improving Linux-based infrastructure environments for enterprise customers. Highlights: 1. Operate and maintain Linux-based infrastructure environments. 2. Hands-on role with ownership of infrastructure platforms. 3. Work within an international and multicultural environment. #### **About the role** We are looking for a Senior Linux Systems Engineer to join the infrastructure team supporting Cronon within the IONOS Group. This role focuses on operating and improving Linux\-based infrastructure environments used by enterprise customers. You will work closely with the systems engineering team responsible for maintaining and evolving the platform infrastructure. The position is hands\-on and operational, involving infrastructure management, troubleshooting and continuous improvement of existing environments. The team works in an international context where English is the main working language. #### **Responsibilities:** * Operate and maintain Linux\-based infrastructure environments * Troubleshoot and resolve complex system issues in production * Support and diagnose database\-related issues involving MySQL, MariaDB and PostgreSQL * Manage and maintain virtualized environments based on VMware * Use configuration management and automation tools, mainly Ansible * Handle infrastructure support tickets and operational tasks * Contribute to system upgrades, maintenance activities and lifecycle management of platforms * Participate in infrastructure\-related projects when required * Join daily team stand\-ups and collaborate with international colleagues * Participate in a shared on\-call rotation (approximately one week per month) together with a team of six engineers #### **What we are looking for:** We are looking for an experienced Linux engineer who is comfortable working in production environments and solving infrastructure issues independently. * Several years of experience administering Linux systems in production * Solid understanding of Linux system administration and troubleshooting * Experience working with Ansible or similar configuration management tools * Experience managing virtualized environments such as VMware * Experience troubleshooting databases such as MySQL, MariaDB or PostgreSQL * Comfortable working in English within an international engineering team Nice to have: * Experience in hosting, managed services or infrastructure environments * Experience working with medium\-sized infrastructures (tens or hundreds of servers) * Experience mentoring junior engineers or leading technical initiatives * German language skills #### **Why join us:** * Work within the IONOS Group, one of Europe's leading cloud and hosting providers in an international and multicultural enviroment * Hands\-on role with ownership of infrastructure platforms * Stable environment with technically interesting infrastructure challenges * Hybrid work in any of our offices located in Spain (Valencia, Alcobendas, Logroño, Barcelona or Sevilla) * Flexible compensation packages * Flexible working hours * Personalized training and development * Discounts on Arsys products * Discounts in tecnology, health and other well\-known brands of products * Biannual team events


