Expert Cloud Backend Engineer for T Cloud Public – Security Services (REF4695N)

Ranked 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.

Your Department

At T Cloud Public , we don’t just operate a platform — we shape the future of secure, scalable, open-source cloud technology. Powered by agile ways of working, lean structures, and a passionate, high-performance team, we thrive in one of the most dynamic environments in the industry.

If you’re a cloud enthusiast and a hands-on professional ready to tackle complex challenges, you’ll feel right at home with us.

Why you will love working here?

• Advance your career on a major European cloud platform — gain hands-on experience with cutting-edge, hyper-scale cloud technologies that will strengthen your skills and make you a sought-after cloud expert.
• Turn ideas into action with a vibrant, international team — collaborate with colleagues who thrive on creativity, excellence, and delivering customer satisfaction.

The challenges You’ll tackle?

As an Expert Cloud Backend Engineer for T Cloud Public – Security Services, you will:

• Proactively perform penetration tests and support the prevention, detection, and mitigation of cyberattacks
• Drive automation initiatives related to security testing and assessment workflows
• Analyze data‑ and cyber‑security risks and contribute to effective mitigation strategies
• Act as a trusted advisor on information security and IT security best practices
• Collaborate within a team of specialists who work transparently, support each other, and maintain a high level of trust

Your profile:

• Completed studies in a technical, engineering, or scientific field — or equivalent professional training
• 3–5 years of professional IT experience, ideally with exposure to cloud security and/or penetration testing
• Relevant IT security certifications (e.g., OSCE, OSEP, OSEE, OSCP, CCSP, CISSP) are a strong advantage
• Hands‑on experience with penetration testing, security assessments, and preventing or analyzing attacks
• Familiarity with common scanning, assessment, and automation tools used in security operations
• Solid understanding of software‑defined networking, routing, firewalls, and physical network fundamentals
• Strong Linux skills and good knowledge of network‑related services
• Experience with infrastructure automation is beneficial
• High level of customer focus and a proactive, service‑oriented mindset
• Knowledge of agile development practices
• Fluency in written and spoken English
• Willingness to work within the European Union to meet customer data‑security and privacy requirements

Why you will love working here?

• Advance your career on a major European cloud platform — gain hands-on experience with cutting-edge, hyper-scale cloud technologies that will strengthen your skills and make you a sought-after cloud expert.
• Turn ideas into action with a vibrant, international team — collaborate with colleagues who thrive on creativity, excellence, and delivering customer satisfaction.
• Grow your career in a supportive environment — our buddy program ensures a smooth start, mentoring helps with further integration, and we offer plenty of learning opportunities throughout your employment lifecycle to deepen your technical competencies.
• Be recognized for your achievements — we celebrate your contributions through multiple recognition programs.

Think you’ve got what it takes? Apply now and build the cloud of tomorrow with us! 

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

Internal Briefing – Key Skills & Qualifications

Soft Skills:

• Customer orientation, communication, problem-solving, ownership mindset.
• Ability to assess technical solutions and come up with creative approaches.
• Familiarity with agile development processes and tools (GitHub, JIRA, Confluence, DevOps, CI/CD).

Technical Skills:

• Strong Linux expertise (networking, logging, system tools like sudo/SSH, LDAP/NTP) and command line proficiency.
• System technologies: Linux, Xen/KVM, storage, networking, OpenStack, Docker/LXC/LXD.
• Infrastructure automation: Ansible, Ansible Tower/AWX, or similar frameworks (Chef, Puppet, Salt).
• Cloud/container technologies: OpenStack Neutron, Docker, Kubernetes, PaaS frameworks (CloudFoundry/OpenShift).
• Secure scale-out cloud application knowledge and related tooling.
• Programming knowledge is a plus (Python, Go).
• Experience with OpenSource projects and communities.

Education/Experience:

• Completed studies in technical, engineering, or scientific disciplines, or equivalent professional training.
• Experience in deploying new features and solving problems to increase customer satisfaction.

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