Internal IT Infrastructure & Security Engineer | Internal IT Infrastructure & Security Engineer (m/w/d)

L-mobile solutions GmbH & Co. KG

Sulzbach an der Murr, Baden-Württemberg, Deutschland
Published Mar 3, 2026
Full-time
Permanent

Job Summary

As an Internal IT Infrastructure & Security Engineer, you will be responsible for the design, installation, and operation of the L-mobile Group's internal network and server infrastructure. Your day-to-day activities involve managing hybrid and multi-cloud platforms using Microsoft Azure and VMware, implementing advanced security measures such as WAF, IPS, and MFA, and ensuring secure connectivity across international locations via VPN. You will act as a critical interface between internal IT and software development, collaborating closely with the CISO and management to shape the corporate IT security strategy. This role is ideal for a service-oriented professional who enjoys documenting system configurations and optimizing emergency plans. The position offers a high degree of flexibility with mobile work options, an in-house restaurant, and a structured learning and development program. It is a unique opportunity to work in an owner-managed company that values technical independence and continuous professional growth without investor interference.

Required Skills

Education

Completed IT training (e.g., IT Technician), a university degree in a relevant field, or a comparable qualification.

Experience

  • Professional experience in network or server administration
  • Practical experience with virtualization, storage, and backup solutions
  • Experience in managing firewalls, switches, and security systems
  • Experience in creating IT security concepts, policies, and emergency plans
  • Experience collaborating with cross-functional stakeholders like CISO and Management

Languages

German (Fluent)English (Fluent)

Additional

  • Location: Sulzbach an der Murr. Requires ability to work in a hybrid/mobile environment. Must be able to manage budgets and act as a central interface for internal departments.