Interim Head of Accounting, Treasury & Tax (m/f/d) 100%

Our client is a globally operating leader in high-tech engineering solutions for the life science and pharmaceutical sectors. With manufacturing and service hubs across Europe and North America, the company is currently undergoing an organizational transformation as part of a recently formed international joint venture. As a result, the Finance team is facing a period of change and integration. We are looking for an experienced Interim Finance professional, leading a team of about 6 professionals across accounting, treasury and international tax, reporting to the CFO. A hands-on manager with strong finance IT skills especially in SAP and Tagetik is desired. Candidates need to be fluent in German and English; Italian is a plus.

In the midst of a major post-merger integration and digital transformation, our client seeks a senior interim professional to stabilize and lead all core financial operations across accounting, treasury, and tax functions. This role will bridge the transition between outgoing and incoming leadership and ensure business continuity during a critical integration and system rollout phase.

Responsibilities:

• Oversee accounting, treasury, and tax compliance for four legal entities across Switzerland, Germany, Slovenia, and the US.
• Provide functional leadership to distributed finance teams and act as key liaison with Group Finance.
• Maintain operational continuity during leadership transition, ensuring documentation and transfer of key processes.
• Drive improvements in the monthly and quarterly closing process, and support development of a consolidated management reporting framework.
• Lead financial process integration for a new SAP FI rollout at an Italian subsidiary.
• Support the implementation of a new group-wide consolidation platform (Tagetik), ensuring timely delivery of financial data and alignment of BU processes.
• Collaborate with internal and external stakeholders including tax advisors, auditors, and IT consultants.

• Proven track record as an interim finance executive or senior finance leader (e.g. Head of Finance, Director Finance) in a multinational SME environment.
• Deep expertise in SAP FI/CO modules and experience with ERP rollouts.
• Strong knowledge of cross-border accounting and tax frameworks, especially regarding VAT between Switzerland and the EU (Germany and Italy).
• Familiarity with German GAAP (HGB) is essential.
• Experience managing financial operations across European and North American subsidiaries.
• Strategic thinker with hands-on execution capabilities and excellent communication skills.
• High-impact leadership role during a pivotal transformation phase.
• Experience to an international business and post-merger environment.
• Passion to contribute directly to integration, digitalization, and finance excellence initiatives.
• Open to a contract extension into Q1 2026, including support of year-end closing and audit.
• Fluent in German and English. Italian is a plus

Location: Canton Thurgau

Start: asap, lastest June

Workload: 100%

Duration: June 2025 – December 2025, with option to extend

If you are seeking a challenging position where you can leverage your skills, and if you are enthusiastic about contributing to international projects, we look forward to receiving your application. Please apply directly online