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DevOps Engineer (IAM) - Join Our International Team

Deutsche Telekom IT SolutionsBudapest, Debrecen, Pécs, Szeged
On-site Full-time

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Experience Level

Mid to Senior

Qualifications

Preferred QualificationsExperience running Keycloak using an operator-based approach on Kubernetes/OpenShift. Advanced knowledge of PostgreSQL operational practices (performance tuning, HA setups, maintenance strategies). Familiarity with cloud technologies (AWS, Azure, or Google Cloud). Programming experience in Go, Java, and/or Quarkus for maintaining operators, provisioning logic, or SPI-based extensions. Experience in international project settings. A degree in Computer Science, Mathematics, or Engineering.

About the job

Become an integral part of our International Team and contribute to the development of innovative greenfield software for one of the most significant projects within the Deutsche Telekom Group. Your contributions will directly affect our 30 million customers, empowering them to request fiber network installations at their homes and monitor the progress of these installations.

Our solution encompasses a comprehensive suite of applications and websites designed to streamline end-to-end processes spanning fiber pre-ordering, ordering, installation, service management, and customer support.

Your Role as an IAM DevOps Engineer

In this role, you will be responsible for developing and managing Keycloak/RHSSO-based Identity Access Management (IAM) capabilities on Kubernetes. This will facilitate secure single sign-on (SSO) and machine-to-machine access for our internal products.

You will enhance team development by standardizing deployment, configuration, and troubleshooting practices while continuously driving improvements in reliability, security, and automation related to the IAM platform.

Your Profile

  • Minimum of 3 years of experience in a DevOps or Platform Engineer (or Site Reliability Engineer) role with hands-on experience in Kubernetes operations within production environments.
  • Strong understanding of OAuth 2.0 and OpenID Connect principles for modern IAM integrations and SSO workflows.
  • Practical experience with GitOps delivery methodologies utilizing Argo CD.
  • Experience with containerization (Docker) and CI/CD pipelines (e.g., GitLab) from code commit to production deployment.
  • Proficiency in scripting languages such as Python and Bash for automation and troubleshooting.

IAM, Keycloak, and Troubleshooting Expertise

  • Understanding of IAM fundamentals including authentication vs. authorization, identity lifecycle and provisioning flows, role/permission model design, user types, and machine-to-machine concepts.
  • Hands-on experience with Keycloak/RHSSO, including realms, clients, roles, scopes, identity providers, and themes, as well as troubleshooting authentication and authorization workflows end-to-end.
  • Configuration-as-code mindset for Keycloak management, promoting changes across environments using versioned configurations.
  • Ability to diagnose and resolve platform issues, contribute to incident response, and assist in upgrades and migrations.

Cloud, DevOps, and Containerization Skills

  • Experience with Kubernetes and networking, including deployments, services, ingress, environment-specific configurations, and secure management of secrets/config maps.
  • Knowledge of packaging and delivery using Helm charts and Argo CD application management for GitOps workflows.
  • Experience in CI/CD practices using GitLab, including building, testing, and deploying containerized workloads.
  • Familiarity with Infrastructure as Code (IaC) methodologies for managing environments and application infrastructure.
  • Observability experience with tools such as Grafana, Prometheus, and ELK.

About Deutsche Telekom IT Solutions

As 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. We offer a diverse portfolio of IT and telecommunications services and employ over 5,000 professionals. Recognized for our educational cooperation and as one of the most attractive workplaces in Hungary, we are continually expanding our presence in Budapest, Debrecen, Pécs, and Szeged, seeking talented IT professionals to join our dynamic team.

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