Senior Linux System Administrator (REF4788Y)

Company DescriptionAs Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries.DT-ITS recieved the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.Job DescriptionWe are seeking an experienced and proactive Senior Linux System Administrator to join our team. If you have a deep understanding of Linux environments, are passionate about automation, and enjoy working in a collaborative, forward-thinking environment—this opportunity is for you.Tasks:Maintain and improve Linux-based infrastructureAutomate repetitive tasks using scripts and configuration management toolsMonitor system performance and ensure system availability and reliabilityTroubleshoot and resolve system-related issuesCollaborate with development, operations, and security teamsMentor junior team members and provide technical guidanceQualifications5+ years of proven experience as a Linux administrator. Strong knowledge of RHEL (Red Hat Enterprise Linux) – intermediate to advancedSolid experience with BASH scripting – intermediate or higherHands-on expertise with YUM and RPM package managementIn-depth understanding of network management – IP, routing, firewall configurationConfident in user and group administration, SSH key managementPractical experience with Ansible – basic to advanced (role-based deployment, playbooks)Familiarity with automation tools from an administrative perspectiveExperience working with YAML and Jinja in automation/configuration contextsEnglish – strong written and verbal communication skillsHyrid setup within Hungary: 4 days HO/ 1 day office per weekNice To Have/preferred Skills And Experience (not Required)German – communication-level proficiencyKnowledge of Python or other scripting/programming languagesFamiliarity with containerization platforms – Docker, KubernetesRHEL certifications (RHCSA, RHCE, or any other level)Ansible Automation Platform (AAP) certificateAdditional Information Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.