Senior IT System Engineer - Hardening | Senior IT System Engineer Hardening (gn) Vollzeit/Teilzeit (hybrid)

DKV Euro Service GmbH + Co.KG

Ratingen, Nordrhein-Westfalen, Deutschland
Published May 19, 2026
Full-time
Permanent

Job Summary

Join DKV Mobility, a leading European B2B platform for on-the-road payment solutions, as a Senior IT System Engineer specializing in Hardening. In this hybrid role, you will be responsible for implementing, administering, monitoring, and maintaining IT systems and services within a Windows Server environment, with a strong focus on security and compliance. You will analyze and resolve issues in 2nd and 3rd level support, execute hardening measures to meet regulatory and security requirements, and ensure continuous system development for security, efficiency, and stability. The position involves managing external service providers, conducting market analyses for hardware/software selection, developing server and application operation concepts, and advising business units on IT projects. This role offers the opportunity to actively contribute to the growth of a dynamic company and shape the future of mobility.

Required Skills

Education

Not specified

Experience

  • Professional experience in operating complex, heterogeneous server infrastructures and application servers on Microsoft Windows Server basis.
  • Very good knowledge of Microsoft server technologies (e.g., Windows Server, Hyper-V, File Services).
  • Deep experience in the administration and hardening of Windows Server systems.
  • Proficient use of Windows PowerShell for operational automation.
  • Basic knowledge of regulatory security requirements (e.g., ISO, BSI, compliance specifications).
  • Experience in analyzing and resolving security-related incidents.
  • Routine collaboration and targeted management of external service providers.
  • Analytical, structured, and independent working style.
  • Strong communication and teamwork skills.

Languages

German (Fluent)English (Fluent)

Additional

  • This position can be performed in full-time or near full-time part-time (minimum 30 hours/week). Hybrid work model with modern offices in Ratingen as a meeting point.