DevOps Linux Senior Engineer (REF4444W)

We are looking for a skilled Senior Dev/OPS Engineer responsible for the design, implementation, and maintenance of IT infrastructures, software deployments, and assigned technologies. The ideal candidate will contribute to the stability, security, and performance of our systems while collaborating with cross-functional teams.

Join the team at Operational Services GmbH, within Deutsche Telekom Systems Solutions Slovakia, providing opportunities for German-speaking talents in Slovakia. OS is one of the leading ICT service providers in the German market and is considered the backbone of digitization in medium-sized companies. With almost 1,000 highly qualified employees, OS develops and operates the most modern IT systems for our customers, ensures long-term system support, and maintains the availability of critical business processes.
If you are looking forward to be a part of English / German speaking, new-technology-looking team player, our team would be the right home base for you.

WHAT WILL YOU DO?

• Commissioning, system testing and operation of Linux systems (Suse, Ubuntu, RHEL, Oracle Linux) on hardware as well as virtualization or container environments with the support of a tool chain
• Use of existing automation tools, such as SuseManager, Salt or Rundeck
• Develop and maintain automation scripts with tools such as Salt
• Ensure the reliability, security, and efficiency of Linux-based systems
• Perform troubleshooting, monitoring, and performance tuning of Linux servers and their independent processing in complex cases
• Processing of order and change measures
• Integration of new customers into existing Linux operating environment as part of transition projects
• Creation of Linux service descriptions and updating of documentation, e.g. CMDB, or Confluence

• The ideal candidate will have at least 2 years of hands-on experience in a similar position
• Linux administration (various distributions - Suse, Ubuntu, RHEL, Oracle Linux)
• Scripting (e.g. Terraform, Bash)
• Solid understanding of hardware (HP preferred)
• High availability and clustering solutions (Pacemaker)
• Understanding of AKS container performance and utilization parameters desirable
• Docker / Kubernetes administration and container orchestration desirable
• Icinga know-how desirable
• Confident handling of the entire MS Office product range
• Experience with ITIL processes

Languages:

• English - Upper Intermediate (B2)
• German – Upper Intermediate (B2)

Desired Certifications:
The ideal candidate would hold or be willing to obtain some of the following certifications:

• LPIC-1 or equivalent Linux certification
• LPIC-2 or equivalent Linux certification
• LPIC-3
• Red Hat Certified Engineer (RHCE) or Red Hat Certified System Administrator (RHCSA)
• SUSE Certified Administrator (SCA) or SUSE Certified Engineer (SCE)
• Certified Kubernetes Administrator (CKA) or equivalent
• Terraform Associate or equivalent
• ITIL Foundation certification

This role offers a dynamic environment with opportunities for growth, innovation, and professional development. If you are passionate about Linux systems and cloud technologies, we would love to hear from you!

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

As 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.