Specialist for Development and Operation of Internet and Backbone Infrastructure (m/f/d) (IT System Administrator)

Schwarz DigitsHeilbronn, WeinsbergEURESpublished 09/03/2026
Must-have:CloudAISecurity
Machine translation — original language: German.Show original

Schwarz Digits creates the technological foundation for digital freedom of choice in Europe. As the IT and digital division of the Schwarz Gruppe, we develop and are responsible for the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Produktion and PreZero. At the same time, we act as an independent provider in the external market to support companies throughout Europe in their digital transformation. We bundle our core services in the areas of Cloud, Cyber Security, Data & AI, Communication, and Workspace. You too can contribute to digital freedom of choice in Europe.

With us, you work at the interface between agility and security: You benefit from fast decision-making processes, enjoy real creative freedom in your projects, and build upon the stable foundation of the Schwarz Gruppe.

Introductory text

Schwarz Digits creates the technological foundation for digital freedom of choice in Europe. As the IT and digital division of the Schwarz Gruppe, we develop and are responsible for the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Produktion and PreZero. At the same time, we act as an independent provider in the external market to support companies throughout Europe in their digital transformation. We bundle our core services in the areas of Cloud, Cyber Security, Data & AI, Communication, and Workspace. You too can contribute to digital freedom of choice in Europe.

With us, you work at the interface between agility and security: You benefit from fast decision-making processes, enjoy real creative freedom in your projects, and build upon the stable foundation of the Schwarz Gruppe.

Your Tasks

  • Conception, implementation, and maintenance of our BGP-based transit and peering infrastructure.
  • Optimization of network performance and stability.
  • Troubleshooting and escalation management.
  • Development and implementation of strategies to defend against DDoS attacks.
  • Analysis of attack patterns and continuous improvement of protection mechanisms.
  • Collaboration with security experts to ensure network security.
  • Development and maintenance of automation solutions with Ansible or similar tools.
  • Continuous improvement of automation processes.
  • Creation and maintenance of documentation for all relevant systems and processes.

Your Profile

  • Sound knowledge of BGP, SRv6, and IPv6.
  • Experience in handling network devices from common manufacturers (Juniper, Cisco, Arista, etc.).
  • Good Linux knowledge.
  • Experience with RIPE/ARIN is an advantage.
  • Experience with Ansible or similar automation tools.
  • Knowledge in the area of KRITIS/ITIL is desirable.
  • Fluent English skills in speaking and writing.
  • Willingness to participate in on-call duty.

Contact person

Listed by the employer in the job posting — for questions and your application.

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