Senior DevOps Engineer – Intelligent Access Platform (m/f/d)

Our brand Deutsche Telekom IT Solutions Slovakia entered the life of Košice region in 2006 under the name of T-Systems Slovakia and ever since has been inextricably linked with the region when became one of the founding members of Košice IT Valley. We have managed to grow from scratch to the second largest employer in the eastern part of the country with more than 3900 employees. Our goal is to proactively find new ways to improve and continuously transform into the type of company providing innovative information and communication technology services.

As the Login & Access Hub, we provide a central authentication service for millions of external customers, enabling access to essential services such as TV, email, Customer Center, and OneApp. With over 70 million logins and 15 million unique active users daily, this functionality is critical to the customer experience. The login process is far more complex than it appears, relying on a combination of existing and new applications. Our team works every day to enhance and simplify the login experience while integrating innovative solutions like OneApp and OneShop. We are looking for talented professionals to join us in shaping the future of secure and seamless access.

Purpose

Senior DevOps Engineer is responsible for entire lifecycle of Continuous Integration/Continuous Deployment pipelines and Infrastructure as Code approaches. Takes account and defines automated configuration management, release management, build, test and deployment activities. Provides prototypes and concepts for further automation of assigned technology.

Responsibilities

Design, develop, test, and implement infrastructure for CI/CD pipelines; Automate and streamline software development and deployment processes using CI/CD best practices.; Manage source code, configuration management, release processes, and build/deployment activities.; Ensure system infrastructure stability, operational performance, and continuous improvement.; Set up and manage integrations with partner or third‑party applications.; Collaborate closely with developers and cross‑functional teams to ensure smooth integration and delivery.; Participate in AI migration initiatives, modernizing capabilities in close cooperation with the AI SWAT team.; Support project teams throughout development, quality assurance, release planning, and implementation.; Conduct performance analyses, tuning, troubleshooting, and root‑cause investigations.; Participate in software testing activities, including performance and integration testing.; Create concepts and proposals for further automation of services, processes, and operating models.; Evaluate, consult on, and implement innovative technologies aligned with the organization’s innovation strategy.; Troubleshoot and resolve application issues to ensure reliable system operation.

Requirements

Have strong experience with CI/CD tools such as GitLab CI/CD and Jenkins (advanced).; Possess expert‑level skills in scripting (Bash, Python).; Have expert‑level experience with Linux operating systems and understand Linux‑based operational environments.; Are knowledgeable about containerization with expert experience in Docker.; Understand orchestration platforms with advanced experience in Kubernetes.; Are familiar with cloud‑native application architectures.; Have advanced hands‑on experience with automation tools such as Ansible, Terraform, or Puppet.; Have advanced experience with monitoring and logging tools (e.g., ELK, Prometheus, Grafana).; Possess advanced knowledge of security principles and operational best practices.; Have experience with Google Cloud Platform.; Demonstrate strong communication and cross‑functional collaboration skills.; Speak English at an upper‑intermediate (B2) level.; Have experience working with Agile methodologies, including Scrum and SAFe.