Internal Auditor | Internal Auditor / Revisor (w/m/d)

United Internet AG

Krefeld, Nordrhein-Westfalen, Deutschland
Published Apr 15, 2026
Full-time
Permanent

Job Summary

As an Internal Auditor at United Internet, you will play a critical role in evaluating and optimizing business processes across a leading European internet specialist. Your daily responsibilities include planning and executing internal audits, IT audits, and consulting projects both domestically and internationally. You will analyze business operations for efficiency, legality, and functionality, identifying risk potentials independently. A key part of the role involves drafting comprehensive audit reports, presenting findings to stakeholders, and moderating final discussions to ensure agreed-upon measures are implemented. This position is particularly attractive due to its broad scope across diverse brands like 1&1 and IONOS, offering a high degree of transparency, flat hierarchies, and the flexibility of mobile work for up to two days per week. It is an ideal role for a professional who enjoys technical complexity and wants to influence the security and efficiency of a large-scale telecommunications and internet infrastructure.

Required Skills

Education

University degree in Business Administration, Business Informatics, or a related field. Professional certifications such as CIA (Certified Internal Auditor) or CISA (Certified Information Systems Auditor) are highly desirable.

Experience

  • Professional experience in internal auditing or at a public accounting firm
  • Experience in evaluating business processes and projects regarding efficiency and legality
  • Experience in IT revision and technical auditing contexts
  • Proven track record in project management and methodology
  • Experience in identifying risk potentials and developing optimization strategies

Languages

German (Fluent)English (Fluent)

Additional

  • Willingness to travel for domestic and international audits. Must be capable of working in a mobile office setup up to two days per week.