Working at ONNA
We are looking for people who understand technology, take responsibility and enjoy talking to customers. At ONNA, cloud, network, telephony, security technology and reselling work as one team – in Cologne.

What to expect
Short decision paths, direct responsibility and projects where you see the result in use. We work in small teams, decide quickly and learn from each other.
- Varied projects across cloud, network, security technology and hardware
- Modern equipment and room for your own ideas
- Flexible working hours and training
- A team that takes its promises seriously
Open positions
The following positions are examples and will be replaced by current vacancies before publication.
- Cloud Engineer (m/f/d)You plan, migrate and operate our customers' cloud environments – from the first assessment to day-to-day operations.
- Cloud-native Software Developer (m/f/d)You develop web and cloud applications for our customers and modernise existing systems – from requirements to operations.
- IT Systems Technician Network & Telephony (m/f/d)You plan and install networks, Wi-Fi and phone systems for our customers and make sure they run reliably.
- Service Technician Security Technology (m/f/d)You install, maintain and test access control, video and alarm systems for our customers.
- Sales Representative IT Products (m/f/d)You advise customers on hardware, software and licences and handle the ordering process – including for our online shop.
Nothing suitable?
We also welcome speculative applications. Tell us what you can do and what you would like to work on.