Linux System Administrator (REF3644L) - Budapest

The largest ICT employer in Hungary, Deutsche Telekom IT Solutions (formerly IT-Services Hungary, ITSH) is a subsidiary of the Deutsche Telekom Group. Established in 2006, the company provides a wide portfolio of IT and telecommunications services with more than 5000 employees. ITSH was awarded with the Best in Educational Cooperation prize by HIPA in 2019, acknowledged as one of the most attractive workplaces by PwC Hungary’s independent survey in 2021 and rewarded with the title of 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.

• Providing OS support for Linux machines (mainly Red Hat and Oracle Enterprise Linux)
• Monitor system performance, troubleshoot issues, and ensure high availability and reliability of Linux-based infrastructure.
• Implement and maintain security measures to protect Linux systems from unauthorized access and ensure compliance with industry regulations.
• Automate system administrative tasks
• Handling incident tickets
• Clarifying and implementing change tickets
• Processing orders (machine deployment or extension, user creation, etc.)
• Work with other internal teams

• 3+ years of proven experience as a Linux administrator.
• Extensive understanding of Linux operating systems (Oracle Enterprise Linux, Red Hat).
• Proficiency in programming languages like Bash, Python, and Perl.
• Familiarity with configuration management tools (such as Ansible, Puppet, HPSA).
• Hands-on experience with virtualization technologies (e.g., VMware).
• Excellent problem-solving abilities and a detail-oriented approach.
• Capable of working both independently and collaboratively.
• Strong adaptability and flexibility to manage changing priorities and dynamic environments.
• At least intermediate English language knowledge
• Willingness to participate in on-call
• Understanding of security best practices and experience in implementing security measures on Linux systems.

Nice to have/preferred skills and experience

• Relevant certifications (such as RHCSA, RHCE).
• Experience with virtualization (such as VMWARE).
• Knowledge of containerization technologies (e.g., Docker).
• Understanding network protocols and services (e.g., TCP/IP, DNS, DHCP).
• Knowledge of centralized authentication (LDAP).
• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Experience with AWS Control Tower

* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.