DevOps Engineer

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.

We are looking for a DevOps Engineer to join our agile engineering team in the Security Risk and Compliance department of DT Technik. You will support the development, deployment, and operations of mySecurity — a modern container-based application providing real-time transparency into the security status of DT’s backend systems. This role focuses on automation, infrastructure configuration, and ensuring secure, scalable deployments using cutting-edge DevOps practices.

Key Responsibilities:

• Collaborate in an agile Scrum-based team on the development and rollout of mySecurity application

• Integrate, deploy, and operate containerized applications in Kubernetes

• Implement secret management using HashiCorp Vault for Kubernetes

• Automate infrastructure and service configurations using Ansible

• Develop and maintain GitLab CI/CD pipelines for infrastructure and deployment automation

• Establish and monitor application and container metrics using Zabbix

• Support system hardening and security-compliant infrastructure design

• Contribute to the development of a modern microservices architecture

Required Skills (must-have):

• Bachelor's degree in Computer Science, Information Technology, or related field
• 2–4 years of experience in DevOps or infrastructure engineering roles

• Strong knowledge of Linux systems administration

• Understanding of API integrations and secure deployments

• Experience with Ansible for configuration management

• Hands-on experience with Kubernetes and container orchestration

• Written and spoken English on professional level 

Advanced Knowledge / very good skills:

• Familiarity with GitLab CI/CD and version control systems (Git)

• Zabbix for infrastructure and container monitoring

• HashiCorp Vault for secret management

• Elastic Stack experience

• Experience in microservices architecture deployment and lifecycle management

• Understanding of DevOps best practices and modern deployment workflows

Basic Knowledge:

• General experience in pipeline-driven deployment processes

• Familiarity with containerization tools such as Docker

Optional Skills:

• Proficiency in German

• Knowledge of VMware environments

• Experience with GitOps workflows

What We Offer:

• A stable, long-term project with high impact on DT’s cybersecurity efforts

• A collaborative, agile team culture with ownership and autonomy

• Access to modern DevOps tooling and best practices

• Ongoing professional development and learning opportunities

• Flexible working arrangements (remote work possible)

• International work environment with strong team spirit

About You:

You’re passionate about secure, scalable infrastructure and enjoy working with modern DevOps tools in an agile team setup. You have a proactive mindset, care about quality, and are eager to learn new technologies and improve existing systems. You want to contribute to a meaningful project and grow with a product from the ground up.

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