System Engineer - Virtualization (f/m/d)

GMX, WEB.DE & mail.com; Karlsruhe; Vor Ort; EUR 65.000 - 85.000; Vollzeit

Benefits dieser Stelle

Flat hierarchies and open communication

Wide range of training opportunities

Flexible working models

Active healthcare and wellness programs

Mobility subsidies

Corporate benefits and pension schemes

Team events and gatherings

Zusammenfassung

A leading email service provider in Germany is seeking a skilled System Engineer for Virtualization. In this role, you will design and implement a cutting-edge virtualization platform based on Kubernetes, enhancing performance and scalability. The ideal candidate should have a strong background in virtualization technologies, experience within Kubernetes ecosystems, and the ability to automate processes. Join a dynamic team and contribute to a robust infrastructure serving millions of users across Europe.

Qualifikationen

• Strong understanding of virtualization technologies.
• Experience with Kubernetes ecosystems is a plus.
• Knowledge of distributed storage systems is required.
• Proficiency with Linux systems required.
• Experience in automation is essential.

Aufgaben

• Design and operate a Kubernetes-based virtualization platform.
• Integrate distributed storage and manage compute resources.
• Automate processes using Ansible and GitOps pipelines.
• Perform migrations, tuning, and incident response.
• Collaborate with multiple teams for robust infrastructure.

Kenntnisse

Virtualization technologies (Harvester, KubeVirt, QEMU/KVM, Proxmox, VMware)

Kubernetes ecosystems (Helm, CNI, CSI, CRDs, GitOps workflows)

Distributed storage systems (Longhorn, Ceph)

Linux systems

Automation (Bash, Ansible, Python, Puppet)

Jobbeschreibung

System Engineer - Virtualization (f/m/d)

GMX, WEB.DE & mail.com

Are you passionate about virtualization, Linux systems, and automation? As a Systems Engineer, you’ll help shape a highly available HCI platform that powers one of Europe’s largest email services, serving over 42 million users across WEB.DE, GMX, and mail.com. This platform delivers cloud‑like virtualization "on‑prem" with GitOps‑style management, elastic workloads, and transparent "VM to Kubernetes" interoperability through KubeVirt. Your work enables application teams to run workloads securely, efficiently, and with predictable performance across data centers, while laying the foundation for future Kubernetes‑native platform services.

Are you ready to take ownership of virtualization architecture for a platform serving millions? Do you thrive on performance challenges and building scalable clusters?

Responsibilities

• Design, implement, and operate a Harvester‑ and Kubernetes‑based virtualization platform.
• Integrate distributed storage and manage compute resources across clusters.
• Automate provisioning, lifecycle, troubleshooting, and monitoring using Ansible, GitOps pipelines, and APIs.
• Conduct migrations, performance tuning, benchmarking, and incident response across virtualization estates.
• Collaborate with platform, networking, and storage teams to ensure robust end‑to‑end infrastructure services.

Qualifications

• Strong understanding of virtualization technologies (Harvester, KubeVirt, QEMU/KVM, Proxmox, VMware, or similar).
• Experience with Kubernetes ecosystems, ideally including Helm, CNI, CSI, CRDs, and GitOps workflows.
• Knowledge of distributed storage systems, especially Longhorn (or Ceph).
• Proficiency with Linux systems, debugging, monitoring, and performance tuning.
• Automation experience using Bash, Ansible, Python, Puppet, and infrastructure‑as‑code principles.

Benefits

• 🏢 Lived corporate culture: Flat hierarchies, a culture of respect and appreciation, signatories of the Diversity Charter, open communication, and no dress code.
• 🎓 Wide range of further training: Internal and external training opportunities, LinkedIn Learning, language courses, talent development programs, conferences, and mentoring.
• 💡 TEC‑Campus: Free choice between Linux, Mac, or Windows, slack days, conferences, lecture series, courses, open‑source projects, community meetups, and user groups.
• ❤️ Active healthcare: Wellpass, free internal sports and fitness classes, health days, family & care support services, discounts at fitness centers, mental health first responder, fresh fruit and drinks for free.
• 🚝 Mobility: Subsidy for job bike leasing, job ticket, and relocation service if you live outside Germany.
• 💻 Flexible working models: Home office options, flexible working hours, and 30 days of vacation with the option for additional unpaid leave.
• 💰 Financial benefits: Corporate benefits, company pension scheme, capital‑forming benefits, occupational disability insurance, and various partner discounts.
• 🎉 Events: Summer and winter parties, sports tournaments, and team events.

Reference ID: 323

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