Head of Tax (Senior Manager) | Head of Tax (Senior Manager) (f/m/d) /1284

IONOS SE

Karlsruhe, Baden, Baden-Württemberg, Deutschland
Published Dec 10, 2025
Full-time
Permanent

Job Summary

This senior role involves the functional and disciplinary leadership of the IONOS Tax Department, overseeing a team of five employees. The Head of Tax is crucial for ensuring comprehensive compliance across all tax requirements, including VAT, corporate tax, withholding tax, and transfer pricing. Day-to-day responsibilities include supporting group accounting and audits, advising the IONOS Business IT on tax standards, and continuously developing the Tax Compliance Management System (TCMS) in collaboration with United Internet. The position requires driving continuous improvement in tax processes, developing integration roadmaps for new subsidiaries, and supporting ERP system implementation from a tax perspective. Success in this role demands proven leadership in multi-level corporate tax environments, strong stakeholder management skills (including C-Level communication), and experience managing complex transformation programs.

Required Skills

Education

Academic background with a focus on Finance and International Tax Law; Completed Tax Consultant examination; Preferably knowledge in IFRS and tax matters.

Experience

  • Proven success in leading tax teams, especially in multi-level groups
  • Relevant experience in leading a corporate tax department
  • Experience with transformation programs and migration setups

Languages

English (Intermediate)

Additional

  • Resilience (Belastbarkeit) required.