Tax Assistant/Consultant – Swiss Individual Tax

About the role

Join Deloitte’s Global Employer Services team in Basel and help internationally mobile employees stay compliant with Swiss tax and social security rules. This position focuses on Swiss Individual Tax, offering you the chance to work on real‑world assignments for global clients while developing deep expertise in national and cross‑border tax matters.

Key responsibilities

• Prepare Swiss tax declarations and analyse complex international tax and social security positions.
• Conduct research and deliver tailored tax advice to clients.
• Assist in the preparation and delivery of presentations for clients and internal teams.
• Collaborate with experienced colleagues across business lines to provide comprehensive solutions.
• Contribute to client‑facing activities from day one, taking ownership of assignments.

Required profile

• Bachelor’s or Master’s degree in law, business, economics, finance or a related field, or relevant professional experience.
• Fluent in German and English.
• Strong curiosity, proactive mindset and willingness to take ownership.
• Excellent teamwork, communication and problem‑solving abilities.
• Attention to detail and comfort working in a fast‑paced, international environment.

Required skills

• Excel
• MS Office

What we offer

• A safe, inclusive workplace with zero tolerance for harassment.
• Opportunities for rapid professional development and cross‑disciplinary collaboration.
• Dynamic team culture with regular social events.
• Flexible work pattern ranging from 80 % to 100 %.