Job
- Level
- Experienced
- Location
- Karlsruhe, Munich
- Working Model
- Hybrid, Onsite
- Job Field
- IT, System, DevOps
- Employment Type
- Full Time
- Contract Type
- Permanent employment
Job Summary
In this role, you will design and operate an HCI virtualization platform using Kubernetes and Harvester, automate processes with Ansible, and integrate distributed storage and compute resources across clusters.
Job Technologies
Your role in the team
- 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.
- You will:
- Design, implement, and operate a Harvester- and Kubernetes-based virtualization platform.
- Integrieren Sie verteilten Speicher und verwalten Sie Compute-Ressourcen über Cluster hinweg.
- 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.
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Our expectations of you
Qualifications
- We believe the following will help you succeed:
- Strong understanding of virtualization technologies (Harvester, KubeVirt, QEMU/KVM, Proxmox, VMware, or similar).
- Knowledge of distributed storage systems, especially Longhorn (or Ceph).
- Proficiency with Linux systems, debugging, monitoring, and performance tuning.
Experience
- Do you have hands-on experience with virtualization and Kubernetes-based infrastructure? Are you skilled in Linux and automation tooling?
- Experience with Kubernetes ecosystems, ideally including Helm, CNI, CSI, CRDs, and GitOps workflows.
- Automation experience using Bash, Ansible, Python, Puppet, and infrastructure-as-code principles.
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What we offer
- 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 health care: Wellpass, 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.
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Benefits
Work-Life-Integration
Health, Fitness & Fun
Food & Drink
Topics You Will Work On
Job Locations
About Your Employer
United Internet AG
As the leading provider of communication solutions in Germany, we offer our users a safe and reliable way to communicate with our strong brands: 1&1, GMX, WEB.DE, and mail.com—despite handling 500 million incoming emails every day!
Description
- Company Type
- Established Company
- Working Model
- Full Remote, Hybrid, Onsite
- Industry
- Internet, IT, Telecommunication
Employer reviews
by devworkplaces.com
Total
(1 Review)3.4
Engineering
3.3Workingconditions
3.8Career Growth
3.2Culture
3.2
System Engineer - Virtualization
- Location
- Karlsruhe, Munich
- Working Model
- Hybrid, Onsite
- Diversity
- Open for all genders
- English Only
- English only required
