Sulgen
Technical Internal Sales Riotherm Air Conditioning (a)
- 01 September 2026
- 100%
- Permanent position
- German (Fluent)
About the job
In the technical internal sales department Riotherm Air Conditioning, you turn customer enquiries into reliable technical and commercial foundations. You clarify requirements, develop air conditioning concepts and prepare offers.
In Sulgen, you are the central interface between field sales and project management. In doing so, you combine customer contact, technical development and administrative coordination.
Welcome to a working world with substance.
At Erich Keller, people work who design, plan, manufacture, assemble, coordinate and think ahead. Together we create spaces, workplaces and technical solutions that have to stand the test of everyday life. Our tasks are varied. The demands are high. For this, you see every day what your work achieves.
Your task
You process enquiries technically sound, accurately calculated and customer-oriented. This way, sales and project management receive complete foundations for the next steps.
What you will achieve with us.
- You develop air conditioning concepts for smaller and larger customer projects and coordinate them internally.
- You clarify requirements directly with customers and answer technical and organisational queries.
- You prepare offers and take on the associated administrative tasks.
- You check tender documents and specifications and make uncertainties visible early on.
- You support project management in planning and coordination and ensure a clean handover of information.
What you bring with you
- You have completed a commercial basic training; technical further training or comparable additional qualifications are an advantage.
- You bring technical understanding or a strong interest in building technology and solutions that require explanation.
- Experience in technical internal sales, in a project-oriented SME or at a comparable customer interface will make it easier for you to start.
- You think in networks, work confidently with Microsoft Office and can combine technical, commercial and organisational points. CAD or ERP knowledge is a plus.
- You communicate very confidently in German, both spoken and written. English skills are an advantage.
What you can expect from us
- Attractive salary and profit sharing We offer a fair basic salary and involve employees in the joint success if business development allows it.
- Holidays and overtime by choice You have at least 25 days of holiday and work with flexible working hours. Overtime can be compensated or paid out by arrangement.
- Opportunities for advancement We support professional training and internal development steps – from craftsmanship through AVOR and project management to technical or organisational functions.
- Direct exchange We work with short distances, open information and direct communication. You know where you stand – and what you are working on together.
Let’s get to know each other. Does the role suit you? Then we look forward to getting to know you. Apply directly via our online form.
For questions about the position, Urs Pletka, Head of Products and Projects Riotherm, is available at +41 71 644 88 42 or urs.pletka(@)erichkeller.com.
Learn more about your work, our professional worlds and the benefits at Erich Keller at erichkeller.com/karriere .