9 September 2025 Jobs

Sales Manager / Technical Sales (m/f/d)

Have you always dreamed of making a difference in the world - and do you have a real talent for communication and persuasion?

We are looking for energetic and technically skilled Sales Managers (m/f/d) to join our sales team as soon as possible. You are enthusiastic about developing and implementing IoT projects, have a strong sense of sustainability, and know how to convince cities, municipalities, and industry that saving resources is a profitable way to mitigate the effects of climate change? Then you’ve come to the right place!

How and where:

Preferably full-time, start at any time. Your place of work is our office in Berlin-Charlottenburg with excellent transport connections, no traffic noise, sunny terrace, great diverse team ...

Your tasks:

You develop new customer relationships with plenty of initiative and personal responsibility, managing the entire sales process - from lead generation and project or concept development through to the final proposal stage. You enjoy picking up the phone and have no fear of cold calling, but you also make use of other channels to inspire customers about deZem, working closely with the marketing team. As the first point of contact for our potential customers, you also handle the growing number of inbound leads. You gather customer requirements, but also contribute your own ideas when developing and approaching your target groups. In addition, you ensure productive communication between project management, key account management, marketing, and product development. With confidence and enthusiasm, you present our deZem hardware and software solutions - primarily through resource-efficient web meetings.

Your profile:

  • Professional experience in sales (internal or external sales) or development of technology-oriented projects ideal
  • Degree in business administration or engineering; other disciplines are also welcome
  • Industry knowledge in IoT, automation, energy management, building technology, etc. welcome
  • Communication, networking and negotiation skills
  • Quick grasp of economic, technical and social contexts
  • Goal-orientated, proactive and responsible way of working
  • Very good written and spoken German and English; other foreign languages very welcome

We offer:

  • Excellent client references, including multinational corporations
  • 33 helpful colleagues, diverse and from +10 nations
  • Future-proof business sector with a 💙for sustainability
  • 30 days of annual leave
  • Job ticket for public transport
  • Growth-based profit sharing (equal for everyone)
  • Annual €1,000 budget for professional development
  • Support for personal and professional growth
  • Flexible working models: choose between 75–100% of a full-time position depending on your needs
  • Flexibel working hours around core times
  • Highly flexible working hours around core times, family-friendly with support for childcare/school emergencies
  • Work primarily in our attractive office with coffee/tea and shared lunches
  • Partial home office possible
  • Regular team events, innovation days, and technical improvement weeks (for software developers)
  • Occasional, environmentally friendly business travel by train whenever possible
  • Large, green roof terrace with a beehive, strawberries, tomatoes, and more
  • Relaxed working environment, flat hierarchies
  • Start-up climate (informal culture, dress code only for official occasions, ...)

Ready to Make an Impact? Great. We would love to meet you!

Send us a cover letter, CV and references with the reference W052024 to jobs@dezem.de. We look forward to your application!

Please do not contact us through recruiters!


About deZem

Since 2003, deZem has been developing and supplying hardware and software to network and analyse sensor data from many heterogeneous sources - worldwide with projects in Europe, America and Asia. Originally started in the field of energy controlling, we have expanded our range of products and services over the years into a comprehensive system for IoT data management, from industrial analytics to plant and process monitoring to technical building management. Because the basic idea is the same: to create a scalable platform for collecting and analysing IoT data.

deZem GmbH
Wilmersdorfer Straße 60
10627 Berlin
Phone +49 30 31 800 730
www.dezem.de

Your contact for press and marketing:

Alexander Funk
deZem GmbH, Berlin

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