OpenShift Administrator (m/w/d)

About the Role

At SINC, you will help operate next-generation GovTech solutions designed to make everyday life easier for millions of people. The mission behind the work is to support a state that is ready for the 21st century, because resilient public institutions are a foundation of democracy.

Within the internal IT team, you will be responsible for keeping a production-critical platform running reliably. The environment is modern and centered around Kubernetes, on-premises infrastructure, and automation. Your contribution will directly affect the stability and availability of core IT systems, and you will play a key role in maintaining quality and reliability.

Key Responsibilities

Your main focus will be operating and safeguarding the platform rather than building new features.

• Ensure reliable operation of the Kubernetes platform, including OpenShift and OKD, in an on-premises setup.
• Keep the clusters available, stable, and performant through ongoing administration and optimization.
• Take ownership of high availability, monitoring, alerting, and troubleshooting using tools such as Prometheus, Grafana, and logging solutions.
• Investigate and resolve incidents related to clusters, networking, and storage.
• Plan capacity and improve system performance where needed.
• Run and evolve storage services such as Ceph, networking components like ingress, routes, and load balancers, and authentication systems such as Keycloak and Active Directory.
• Automate operational tasks with infrastructure-as-code methods and scripting.
• Serve as the main contact for the operation of the container-based core infrastructure.

Requirements

• You have completed a degree or vocational training in an IT-related field and bring several years of hands-on experience running Kubernetes clusters.
• You have solid practical experience with OpenShift and/or OKD.
• You are confident working with Linux and infrastructure technologies.
• You have experience with monitoring, logging, and incident management tools.
• You understand what it takes to support highly available, production-critical systems.
• You work in a structured and solution-oriented way and stay calm and organized in critical situations.

Environment and Tools

• Operating systems: Windows Server, Ubuntu, Open Suse, Fedora CoreOS
• Container platforms: Kubernetes, OpenShift / OKD
• Storage: Ceph
• Monitoring and logging: Prometheus, Grafana
• Authentication: Keycloak, Active Directory
• Scripting: PowerShell, Bash
• CI/CD and version control: Azure DevOps, Git
• Tooling: YAML, Helm
• Server hardware: Supermicro servers
• Communication platforms: Rocket Chat, Teams, Skype

Benefits

• Flexible working hours help you balance professional and private life.
• Up to 60% of the work can be done from home.
• The company contributes €338 per month to your occupational pension scheme.
• You can enjoy meals from the in-house chef in Wiesbaden or use the meal subsidy.
• Regular training and professional development are part of the package, with plenty of opportunity to learn from experienced colleagues every day.
• A company bike makes commuting easier.
• Team events and celebrations include wine festivals, Christmas parties, summer events with family members, and activities such as bouldering, barbecue evenings, and trampoline park visits.

Additional Information

If you are interested, the company would like to see whether you are a good fit. If you have questions, you can contact Eric Stippler from Recruiting at eric.stippler@sinc.de. Applications may also be sent to bewerbung@sinc.de.