Sales Operations Assistant (Working Student)

About the role

Join Viessmann as a Working Student Sales Operations Assistant and support customers with technical and sales‑related inquiries. This seasonal part‑time position (20 hours per week) offers hands‑on experience in the renewable energy sector while you continue your studies.

Key responsibilities

• Answer technical and sales questions from customers.
• Prepare technical proposals and price quotations.
• Review and update technical documentation.
• Provide administrative and technical support to the sales team.
• Collaborate with internal departments to deliver optimal solutions.

Required profile

• Student or recent graduate of a technical university.
• Basic knowledge of photovoltaic (solar) systems.
• Ability to read technical drawings and documents.
• Fluent in Slovak.
• Strong communication, organizational skills and attention to detail.
• Experience in sales or technical support is a plus.

Required skills

• Photovoltaic (solar) systems knowledge.

What we offer

• Seasonal part‑time contract (20 h/week).
• Opportunity to work with a global leader in sustainable climate and energy solutions.
• Professional development in sales operations and technical support.