Tax Assistant / Consultant – Swiss Individual Tax

About the role

Join Deloitte’s Global Employer Services team in Basel as a Tax Assistant/Consultant focused on Swiss individual tax. You will work directly with internationally mobile clients, helping them stay compliant with Swiss and cross‑border tax and social security regulations.

Key responsibilities

• Prepare and file Swiss individual tax declarations for a diverse client base.
• Analyse complex international tax and social security positions and provide tailored advice.
• Conduct research on Swiss national and international tax legislation.
• Support the preparation and delivery of client presentations.
• Develop specialised knowledge in Swiss tax law through on‑the‑job learning.

Required profile

• Curious, proactive mindset with a willingness to take ownership.
• Strong teamwork, communication and problem‑solving abilities.
• Attention to detail and a digital mindset.
• Bachelor’s or Master’s degree in law, business, economics, finance or related field, or relevant experience with tax or social security authorities.
• Fluent in German and English.
• MS Office proficiency; previous mobility or tax experience is a plus.

Required skills

• Excel
• MS Office

What we offer

• Dynamic, international team with regular social events.
• Opportunities for professional development and cross‑disciplinary collaboration.
• Career growth within a leading global professional services firm.