Site Reliability Engineer - Kubernetes / DevOps (m/w/d)

StudentJob; Karlsruhe; On-site; EUR 60,000 - 90,000; Part time

Benefits offered by this job

Hybrid-Arbeitsmodell

Mitarbeitervergünstigungen

Mitarbeiterveranstaltungen

Fort- und Weiterbildung

Gesundheitsangebote

Job summary

United Internet AG sucht eine/n Site Reliability Engineer (SRE) im Application Hosting Team. Du gestaltest die technische Backbone-Plattform für Managed Nextcloud, Nextcloud Workspace, IONOS GPT und weitere Web-Dienste.

Du arbeitest an Performanz, Resilienz und Automatisierung in einer Kubernetes-basierten Infrastruktur. Du bringst mehrjährige Erfahrung im Linux/Kubernetes-Umfeld, Infrastructure as Code sowie CI/CD-Pipelines mit.

Qualifications

• Mehrere Jahre Erfahrung als SRE bzw. in ähnlicher Rolle (Linux- bzw. Kubernetes-Umgebung).
• Fundierte Kenntnisse von Linux, Containern und Kubernetes.
• Erfahrung mit Infrastructure as Code (Terraform) sowie CI/CD-Pipelines (GitLab CI/CD / GitHub Actions).
• Programmier-/Scripting-Kenntnisse in Go oder Python sowie erste Operator-Erfahrungen möglich.

Responsibilities

• Weiterentwicklung der Infrastruktur/Plattform für unsere Produkte und Integration neuer Dienste in Kubernetes/Cloud.
• Sicherer, stabiler Betrieb der Produktplattform und Analyse/Optimierung der containerisierten Infrastruktur.
• Automatisierung mit Tools wie Terraform, GitLab CI/CD und ArgoCD – deklaratives Infrastruktur-Management.
• Fehleranalysen in verteilten Systemen und kontinuierliche Plattformverbesserung.
• Aufbau und Wartung von Monitoring-, Logging- und Alerting-Lösungen (Prometheus, Grafana, ELK, etc.).

Skills

Kubernetes

Terraform

CI/CD

Linux

Go-Python

Monitoring

German-English

Education

Kein Abschluss erforderlich

Tools

GitLab CI/CD

GitHub Actions

Helm Charts

Prometheus/Grafana

Job description

Über das Unternehmen

Wir sind Europas führende Plattform für Cloud Services und Hosting-Dienstleistungen. Wir begleiten erfolgreich unsere Kund:innen bei ihrer Unternehmensentwicklung. Für unseren Unternehmenserfolg sind über 4000 Mitarbeitende in mehreren Ländern weltweit tätig, um die Anforderungen und Wünsche unserer 8,5 Millionen Kund:innen zu erfüllen.

Wir sind eine Marke der United Internet AG, einem börsennotierten Unternehmen mit rund 10.200 Mitarbeitenden.

Wir fördern die Entwicklung unserer Mitarbeitenden und deren unterschiedliche Talente, Interessen und Sprachen.

As a Site Reliability Engineer (SRE) in our Application Hosting Team, you form the technical backbone of our product platform for Managed Nextcloud, Nextcloud Workspace, IONOS GPT, as well as other web services that we operate on our Kubernetes platform. Together with experienced colleagues, you design new services and products that remain performant and resilient even under the highest load. What we offer you?

• Hybrid working model.
• Flexible working hours through trust-based working hours.
• At some locations a subsidized canteen and various free drinks.
• Modern office space with very good transport connections.
• Various employee discounts for activities and products.
• Employee events such as summer and winter parties, as well as workshops.
• Numerous training and development opportunities.
• Various health offers, such as sports and health courses.

What tasks awaits you?

• Your main area of focus is the further development of the infrastructure/platform for our products, as well as the integration of new products/web services into our Kubernetes and Cloud infrastructure.
• You are responsible for the stable and secure operation of our product platform. Your expertise is in demand when it comes to in-depth analysis and optimization of our primarily containerized and Kubernetes-based application infrastructure.
• You live automation. Using tools like Terraform, GitLab CI/CD, and ArgoCD, you provision and manage our entire infrastructure declaratively and reproducibly.
• You analyze and resolve complex issues in a distributed system landscape and work on the continuous improvement of our platform.
• You develop and maintain our monitoring, logging, and alerting solutions (e.g., using Prometheus, Grafana, ELK stack) to proactively identify bottlenecks and sources of error.

What should you bring?

• You have several years of experience as a Site Reliability Engineer or in a related role (Linux System Administrator, Platform Engineer, DevOps Engineer, Full Stack Developer) in a Linux and Kubernetes environment.
• Strong knowledge and several years of experience using the Linux operating system, container technologies, and specifically Kubernetes.
• You have experience with Infrastructure as Code (preferably Terraform), CI/CD pipelines (e.g., GitLab CI/CD or GitHub Actions), and using Helm Charts.
• You can confidently develop in at least one programming or scripting language (e.g., Go, Python, Bash) to solve automation and monitoring tasks, and you may already have initial experience building Operators.
• Experience operating and troubleshooting highly available and distributed production environments, including monitoring, alerting, and log analysis of distributed applications (e.g., Prometheus, Grafana, FluentD, ELK, VictoriaMetrics, Icinga).
• You have a proactive, solution-oriented, independent way of working, and the ability to systematically analyze and sustainably solve complex technical problems.
• Good German and English language skills are required.

Fähigkeiten

• Es ist kein Abschluss erforderlich
• Du beherrscht Deutsch

Stunden: 32 - 40

Art des Stellenangebotes: Intern