Senior System Administrator | Senior-Systemadministrator/-in (m/w/d)

Stadt Hildesheim

Hildesheim, Niedersachsen, Deutschland
Published Feb 3, 2026
Full-time
Permanent

Job Summary

This Senior System Administrator role, based in Hildesheim, involves the comprehensive planning, administration, and optimization of the city's critical IT infrastructure, serving approximately 1,300 workstations across 60 municipal properties. Key responsibilities include managing virtualized server landscapes, implementing and maintaining complex network infrastructures (LAN/WAN, Firewalls, VPN), and overseeing sophisticated Storage Area Network (SAN/NAS) systems, including capacity planning and performance tuning. The successful candidate will also lead IT projects, coordinate the infrastructure administration team, and define robust backup and recovery strategies. This position requires deep expertise in system and network administration, IT security standards (BSI IT-Grundschutz), and project leadership, offering an opportunity to shape the future-oriented IT services of a major public employer.

Required Skills

Education

Degree in Computer Science (Diplom FH / Bachelor of Science) or completed vocational training as an IT Specialist for System Integration combined with long-term, relevant professional experience. Further training in Project Management is desirable.

Experience

  • Minimum five years of professional experience in system and network administration
  • Minimum three years of professional experience in leading IT projects
  • Experience with virtualization technologies, server operating systems, storage, backup, and network technologies
  • Foundational experience in leading IT projects (alternative entry path)
  • Experience with IT security standards (BSI IT-Grundschutz)

Languages

German (Fluent)

Additional

  • Must possess a Class B driving license and be willing to undertake official trips within the city area. Work must be performed in Hildesheim, Germany. Minimum working hours of 30.0 hours per week.