Senior Fiduciary Mandate Manager (50-80%) - Aarau Region

Introduction

For a successful and established fiduciary company in the Aarau region, we are looking for a committed individual as of 1 September 2026 or by arrangement for the position of Senior Fiduciary Mandate Manager (50-80%).

Our client serves national as well as international companies from various industries and offers comprehensive services in fiduciary, auditing, and business consulting. You can expect a professional environment with varied mandates, direct client contact, and flexible part-time options.

Responsibilities

• Independent management of a diverse client portfolio
• Leadership and support of client accounting as well as assistance in cash management
• Preparation and review of interim and annual financial statements
• Advising clients on financial statements, taxes, and business matters
• Preparation of reports for national and international companies
• Participation in limited audits and business valuations
• Support in succession planning and matters relating to personnel and social insurance
• Preparation and review of tax returns and VAT declarations
• Close collaboration with management and internal specialists

Profile

• Completed further education as a certified fiduciary expert, certified auditor, or fiduciary with a federal diploma
• Several years of professional experience in the fiduciary sector
• Strong customer and service orientation
• Entrepreneurial thinking as well as an independent and structured working style
• Team-oriented and communicative personality
• Very good German skills and good English skills, both written and spoken
• RAB admission is an advantage

Benefits

• Flexible part-time employment (50-80%) with high personal responsibility
• Appreciative and collegial working environment
• Varied and challenging mandates
• Support for professional development
• Flexible working hours and modern working conditions
• Long-term development opportunities with prospects towards management or executive roles
• Contemporary employment conditions and attractive social benefits

Contact Information

If you have any questions about this job offer (Reference: JN -072026-1134519), please contact Filipa Videira at +41 58 233 20 00.

About Us

Adecco is the market leader for personnel solutions in Switzerland and worldwide. Every day, our teams at around 50 locations across Switzerland ensure the best match between candidates and clients in various professional fields and industries.

Adecco Switzerland is a company of the Adecco Group, the world’s leading talent advisory and solutions company. We believe in preparing everyone for the future and employ over 3.5 million people daily. We recruit, develop, and train talents in 60 countries and enable organisations to shape the future of work.