Accountant, Tax Accountant, Financial Reporting

Aritec New Materials AG is looking for an experienced Part-Time Accountant to support the finance function at headquarters and across selected subsidiaries. The role is designed for a senior accounting professional seeking a flexible workload of 10%–30%.

• Review AR/AP with the accountants of our subsidiaries on a weekly basis.
• Support preparation and follow‑up of Swiss VAT declarations on a quarterly basis.
• Support HQ expense accounting and related reviews.
• Support periodic P&L review and financial analysis.
• Support selected German VAT declarations.
• Support with yearly book closing activities & Swiss tax declaration processes.
• Coordinate with external accountants, tax advisors, and internal stakeholders as needed.

• Swiss accounting experience is absolutely required. Applications without Swiss accounting experience will not be considered.
• Ideally more than 10 years of professional accounting experience.
• Strong hands‑on knowledge of Swiss accounting principles and practical finance processes.
• Solid experience with Swiss VAT declarations and compliance requirements.
• Experience supporting annual closing, tax declaration processes, and management reporting.
• Experience working with international entities or subsidiaries is an advantage.