Infrastructure Architect (f/m/d)

at subsidary GMX, WEB.DE & mail.com in Karlsruhe or Munich
Full-time | Permanent | Professionals
Reference ID: M-311

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About us

With our strong brands GMX, WEB.DE and mail.com and over 42 million active users, we are the leading email and communications platform in Germany, Austria and Switzerland. From this strong market position, services and apps are developed that simplify users' digital lives - from office tools and cloud solutions to personal ID management.

Your Tasks

Are you ready to shape the architectural foundation of enterprise infrastructure? As an Infrastructure Architect, you’ll lead the design of resilient, scalable, and secure platform landscapes across hybrid cloud and data center environments. You’ll combine deep technical expertise with strategic foresight to define future-ready infrastructure architectures and help build one of the best scaling HCI platforms. Join a team that’s building a European alternative to email and cloud services, committed to privacy, digital sovereignty, and operating under European law.

Do you enjoy translating complex requirements into robust infrastructure designs? Are you passionate about building scalable platforms that support long-term business strategy? Do you want to lead architecture initiatives that drive innovation and resilience? Here are some core responsibilities of this role:

• You will design and evolve infrastructure architectures for hybrid cloud and data center environments.
• You will develop capacity and performance models across compute, storage, and networking.
• You will plan and evaluate high-availability and disaster recovery concepts.
• You will moderate architecture reviews and produce technical decision documents.
• You will define technical standards and guardrails in collaboration with engineering and business teams.

We Appreciate

Do you combine strategic thinking with hands-on infrastructure expertise? Have you led architecture projects across virtualization, networking, and storage domains? Are you confident in communicating complex technical concepts to diverse stakeholders? We believe the following skills and experiences will help you to be successful in this role:

• Extensive experience in infrastructure and platform architecture (e.g., virtualization (Harvester), data center, network).
• Deep knowledge of HA/DR, storage systems, and load balancers.
• Proven track record in leading technical architecture projects and cross-functional teams.
• Familiarity with architecture frameworks such as TOGAF or ArchiMate (certification is a plus).
• Excellent communication skills with fluency in English and ideally German.

What else we would like to tell you

• Our corporate culture: No dress code, flat hierarchies, open and transparent communication.
• Individual development opportunities: diverse training courses, e-learning and internal communities, language courses, mentoring.
• Events: Slack Days, open source projects, meet-ups.
• Relocation service: support with the relocation to Germany.
• Benefits and additional services: company pension scheme, capital-forming benefits, discounts on own products, job ticket, bike leasing, corporate benefits portal.
• Attractive working conditions: 30 days holiday, hybrid working, full-time and part-time arrangements, free choice between Linux, Mac, or Windows.
• Social: team events, summer and winter parties, family and care service, sports and fitness programs, subsidized canteen, free fruit and drinks, health courses.
• Topics that are also important to us: Sustainability, diversity, and our values and leadership principles - find out more on our website mail-and-media.com.

apply online now