Site Reliability Engineer (f/m/d)

IONOS EN; Karlsruhe; On-site; EUR 80,000 - 110,000; Full time

Benefits offered by this job

Subsidierter Betriebskantine

Kostenlose Getränke

Moderne Büroflächen

Mitarbeitervergünstigungen

Events und Weiterbildungen

Gesundheitsangebote

Job summary

IONOS EN sucht einen erfahrenen Site Reliability Engineer (SRE) im Application Hosting Team am Standort Karlsruhe. Sie arbeiten an der Infrastruktur und Plattform für Managed Nextcloud, Nextcloud Workspace und weitere Webdienste, basierend auf Kubernetes.

Sie automatisieren Infrastruktur mit Terraform, GitLab CI/CD und ArgoCD, analysieren Störungen, optimieren Monitoring (Prometheus, Grafana, ELK) und tragen zur sicheren, performanten Systemlandschaft bei.

Qualifications

• Mehrjährige Erfahrung als SRE oder ähnliche Rolle in Linux/Kubernetes-Umgebung.
• Tiefe Kenntnisse von Linux, Container-Technologien und Kubernetes.
• Erfahrung mit IaC (Terraform), CI/CD-Pipelines und Helm-Charts.
• Programmiersprachen Go oder Python (oder Bash) zur Automatisierung.
• Erfahrung im Betrieb von verteilten Produktionsumgebungen, Monitoring und Logging.
• Gute Deutsch- und Englischkenntnisse.

Responsibilities

• Weiterentwicklung der Infrastruktur/Plattform für Produkte und neue Dienste in Kubernetes und Cloud.
• Sichere, stabile Betreibung der Produktplattform durch Fehlersuche und Optimierung.
• Automatisierung und deklarative Verwaltung der gesamten Infrastruktur mit Tools wie Terraform, GitLab CI/CD und ArgoCD.
• Analyse komplexer Probleme in verteilten Systemlandschaften und kontinuierliche Verbesserung der Plattform.
• Entwicklung und Wartung von Monitoring-, Logging- und Alarmierungs-Lösungen (Prometheus, Grafana, ELK, VictoriaMetrics).

Skills

Kubernetes

Linux

Terraform

CI/CD

Go

Python

Monitoring

Automatisierung

Tools

GitLab CI/CD

GitHub Actions

Helm

Prometheus

Grafana

ELK

Job description

Hinterm Hauptbahnhof 3-5, 76137 Karlsruhe

At IONOS, the leading European provider of cloud infrastructure, cloud services and hosting services, you will work together with a wide range of teams. We are characterized by open structures, a friendly working culture and flat hierarchies with a strong team spirit. We firmly believe that work and fun are compatible, and offer you the right environment for this. Our constant growth means that we are always looking for new colleagues. Become part of IONOS and grow with us.

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.

About IONOS

IONOS is the leading European digitalization partner for small and medium-sized businesses (SMB). The company serves around six million customers and operates across 18 markets in Europe and North America, with its services being accessible worldwide. With its Web Presence & Productivity portfolio, IONOS acts as a 'one-stop shop' for all digitalization needs: from domains and web hosting to classic website builders and do-it-yourself solutions, from e-commerce to online marketing tools. In addition, the company offers Cloud Solutions to enterprises who are looking to move to the cloud as their businesses evolve.

We value diversity and welcome all applications - regardless of,for example, gender, nationality, ethnicorsocial origin, religion, disability, age as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.