Senior IT System Administrator

Otto GmbH & Co. KG

Job

In this role, you will administer and optimize our Microsoft IT infrastructure, resolve complex issues in 2nd-level support, and lead infrastructure projects while actively shaping security and documentation.

Job summary

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Job technologies

Your role in the team

  • System Administration: Management, configuration, and further development of our Microsoft-based IT infrastructure (servers, clients, networks), including Microsoft Azure, Entra ID, and Microsoft 365.
  • IT support: Analysis and resolution of complex issues in 2nd-level support as well as ensuring a stable, secure, and high-performance IT operation.
  • IT Infrastructure & Security: Administration of firewalls, switches, and routers, implementation of security requirements, and continuous development of the infrastructure.
  • IT Projects: Responsibility for infrastructure and digitalization projects (e.g., Microsoft technologies, implementation of AI solutions, network technologies) as well as coordination of external service providers.
  • Documentation & Optimization: Documentation of systems and processes as well as active participation in shaping and optimizing the IT landscape.

Our expectations of you

Education

  • Completed training as an IT specialist for system integration (m/f/x), degree in computer science/business informatics, or a comparable qualification.

Qualifications

  • In-depth knowledge of Microsoft Azure, Entra ID, Microsoft Power Platform, Microsoft Security, and Microsoft 365/Tenant Administration, as well as operating modern Microsoft environments.
  • Analytical, self-reliant, and solution-oriented work approach combined with strong communication skills and a service orientation.

Experience

  • Several years of professional experience in the administration of Microsoft infrastructures (focus on servers, networks, IT security).
  • Experience with firewalls, switches, routers as well as a good understanding of modern network and security architectures such as ZTNA, SD-WAN.

What we offer

  • Attractive salary.
  • Flexible working hours.
  • Additional vacation days.
  • Mobile working.
  • Canteen & Meal Allowance.
  • Occupational physician & preventive care.
  • Further education & coaching.
  • Special payments & bonuses.
  • Company pension scheme.
  • Corporate Benefits.

Benefits

Topics you will work on

Job locations

Map of the job locations
© OpenMapTiles, © OpenStreetMap contributors
  • Location Bielefeld
    Nordrhein-Westfalen, Germany

About your employer

Otto GmbH & Co. KG is a leading German trade and services company based in Hamburg. With over 41,000 employees worldwide, Otto operates in the retail, financing and logistics, as well as mail order business sectors, setting industry standards.

Company type
Established Company
Work model
Onsite, Hybrid
Industry
Trade
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Senior IT System Administrator

Otto GmbH & Co. KG