Stellenbeschreibung:

Your tasks

Do you thrive in leading infrastructure teams focused on networking, virtualization, and platform operations? Are you passionate about building scalable, high-availability systems that meet modern technological and business demands? Do you enjoy shaping strategy, mentoring engineers, and driving technical excellence across diverse domains?

At Mail & Media, we are the digital home for over 42 million users across our brands GMX, WEB.DE, and mail.com. We operate one of Europe’s largest e-mail platforms with a highly scalable, container-based infrastructure. Our teams work with cutting-edge technologies including AI, Big Data, and secure cloud services, shaping the future of digital communication.

Join us as Team Lead Infrastructure & Network Services (f/m/d) and take full ownership of our infrastructure platform. You’ll lead a skilled team, collaborate across departments, and ensure the stability, agility, and continuous improvement of our systems.

• Lead and develop a cross-functional infrastructure team covering networking, load balancing, security, virtualization, and platform operations.
• Ensure the stability, scalability, and agility of system infrastructure through strategic planning and operational excellence.
• Drive infrastructure projects, support architectural decisions, and promote automation and standardization.
• Coordinate with internal stakeholders including DevOps, software engineering, product management, and compliance.
• Represent your team in change and risk management processes and foster continuous improvement through RCA and coaching.

Your profile

Do you combine deep infrastructure expertise with strong leadership and cross-team collaboration skills? Are you confident in making strategic decisions while staying close to technical challenges? Do you enjoy mentoring engineers and driving innovation in complex environments?

Then we’d love to hear from you! To succeed in this role, you should bring:

• A degree in Computer Science or a related technical field — or equivalent practical experience.
• Several years of experience in network architecture, virtualization, system engineering, IT security, or automation.
• Strong knowledge of BGP, OSPF, VLAN/VXLAN, MPLS, firewalls, VPNs, and load balancing (L4/L7, TLS offloading).
• Expertise in virtualization (KVM, KubeVirt), distributed storage (Ceph, ZFS, Longhorn), and automation tools (Ansible, Terraform, CI/CD).
• Familiarity with monitoring and logging stacks (Prometheus, Grafana, Loki), and experience in RCA and architecture alignment across teams.

Our benefits in detail

• Our corporate culture: No dress code, flat hierarchies, open and transparent communication
• Individual development opportunities: diverse training programmes, e-learning and internal communities, leadership training, language courses, mentoring
• Benefits and additional services: company pension scheme, capital-forming benefits, discounts on own products, job ticket, company car, 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 programmes, subsidised 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
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