DevOps Engineer - Senior (REF5004F)

Join our engineering team responsible for developing and operating the Secure Remote Access platform for DT Technik. This platform enables suppliers, partners, and internal colleagues worldwide to securely connect to DT Technik’s internal systems. You will play a key role in further developing the infrastructure, ensuring security compliance, and enabling automation across the environment.

Key Responsibilities

• Develop and maintain secure remote access infrastructure (Linux, Windows, containerized environments).

• Automate processes using Ansible, Terraform, and GitOps principles.

• Support the setup and improvement of test infrastructure and E2E monitoring.

• Collaborate with a Scrum-based agile development team, including managing/coordinating with application developers.

• Ensure corporate security compliance in all infrastructure developments.

• Provide last-level support for infrastructure and related applications.

• Participate in sprint planning and deliver engineering tasks, not daily operational activities.

• roven experience as a DevOps Engineer or System Engineer with DevOps transition.

• Ability to work in an agile (Scrum) environment and coordinate with development teams.

• Strong communication skills and an open, collaborative mindset.

• Fluent in English (written and spoken); German is nice-to-have.

Required Skills (Must-Have)

• Strong Linux administration skills.

• Automation with Ansible (playbooks, roles, configuration management).

• Containerization using Docker and Kubernetes.

• Basic Windows Server administration.

Advanced Knowledge / Very Good Skills

• Networking & protocols, troubleshooting complex issues.

• Git as a version control system and GitOps workflows.

• CI/CD pipelines (GitLab preferred).

• Understanding of security requirements in infrastructure environments.

Basic Knowledge

• Databases (operation and administration basics).

• Active Directory & Group Policy Objects (GPOs).

• HAProxy or other load balancing technologies.

Optional Skills

• HashiCorp stack: Terraform, Consul, Vault (can be learned on the job).

• VMware and virtualization environments.

• Tufin knowledge.

• German language skills.

What We Offer:

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

• Role is engineering-focused, not operations-heavy (separate operations team).

• 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

• Recruitment process: The selection process may consist of multiple stages. In later stages, candidates may meet and interact with international colleagues as part of the interview process.

About You:

You are a solution-oriented engineer who enjoys automation, understands secure infrastructure, and can work both independently and in close collaboration with a diverse, international team. You are open-minded, communicate proactively, and are eager to contribute to a critical service used across Deutsche Telekom worldwide.

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