Team Lead Infrastructure & Network Engineering (f/m/d)
Team Lead Infrastructure & Network Engineering (f/m/d)
Team Lead Infrastructure & Network Engineering (f/m/d)
Team Lead Infrastructure & Network Engineering (f/m/d)
GMX, WEB.DE & mail.com
Internet, IT
Karlsruhe
- Art der Anstellung: Vollzeit
- 69.000 € – 89.000 € (von XING geschätzt)
- Vor Ort
- Zu den Ersten gehören

Team Lead Infrastructure & Network Engineering (f/m/d)
Über diesen Job
Team Lead Infrastructure & Network Engineering (f/m/d)
at
subsidary
GMX, WEB.DE & mail.com
in Karlsruhe or Munich
Full-time | Permanent | Executives
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
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.
We Appreciate
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.
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 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
Gehalts-Prognose
Unternehmens-Details

GMX, WEB.DE & mail.com
Internet, IT