Site Reliability Engineer (f/m/d)

IONOS; Karlsruhe; Vor Ort; EUR 85.000 - 110.000; Vollzeit

Benefits dieser Stelle

Subsidized canteen

Free drinks

Excellent transport links

Employee discounts

Team events

Training programs

Health offerings

Zusammenfassung

IONOS in Karlsruhe is seeking a Site Reliability Engineer to strengthen the Application Hosting Team. You will help evolve our Kubernetes-based platform, automate infrastructure with Terraform, and ensure high availability through robust monitoring and incident response.

You will work on a modern stack with Prometheus, Grafana, ELK, ArgoCD, and Helm, collaborating across German and English-speaking teams, with flexible working hours and on-site office facilities.

Qualifikationen

• Several years of experience as a Site Reliability Engineer or in a related role in Linux and Kubernetes environments.
• Strong knowledge of Linux, containers, and Kubernetes.
• Experience with Infrastructure as Code (Terraform) and CI/CD pipelines (GitLab CI/CD or GitHub Actions).
• Proficient in at least one programming/scripting language (Go, Python, Bash) for automation.
• Experience operating and debugging distributed production environments with monitoring and logs.
• Good German and English language skills.

Aufgaben

• Develop and extend the infrastructure/platform for products and integrate new services into Kubernetes/Cloud infrastructure.
• Ensure stable and secure operation of the product platform with focus on performance and resilience.
• Automate provisioning and management of infrastructure using declarative approaches (Terraform, ArgoCD).
• Analyze and resolve complex issues in distributed systems; continuously improve the platform.
• Develop and maintain monitoring, logging and alerting (Prometheus, Grafana, ELK, FluentD, VictoriaMetrics, Icinga).

Kenntnisse

Linux

Kubernetes

Automation

CI/CD

Go

Python

Bash

German English

Tools

Terraform

GitLab CI/CD

ArgoCD

Helm

Prometheus

Grafana

ELK

VictoriaMetrics

Icinga

FluentD

Jobbeschreibung

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.

Tasks

• 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.

Qualifications

• 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.
• 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.