Data Center Systems Engineer (f/m/d)

at subsidary IONOS SE in Karlsruhe
Full-time | Permanent | Professionals
Reference ID: I-162


About us

IONOS is the leading European digitalization partner for small and medium-sized businesses (SMB). The company serves around six million customers and operates across 18 markets in Europe and North America, with its services being accessible worldwide. With its Web Presence & Productivity portfolio, IONOS acts as a 'one-stop shop' for all digitalization needs: from domains and web hosting to classic website builders and do-it-yourself solutions, from e-commerce to online marketing tools. In addition, the company offers Cloud Solutions to enterprises who are looking to move to the cloud as their businesses evolve.   


  • As part of our team, your responsibilities will include setting up, operating, running, monitoring and maintaining the infrastructure of our own data centers in Karlsruhe and Baden-Baden.
  • You will analyze, document and independently rectify any faults that occur in the technical systems (e.g. power supply/UPS system, fire alarm, locking or air conditioning system).
  • You keep and maintain documentation for audits and certifications.
  • You are also the contact person for our external service providers and coordinate them.
  • Your team and an experienced colleague will be on hand to help you familiarize yourself with the existing processes in all areas.


  • You have completed training as an electronics technician or a comparable technical apprenticeship.
  • You have already gained initial experience in the field of energy supply, air conditioning technology, fire and burglar alarm systems or in a data center operation.
  • You are interested in familiarizing yourself with new topics and developing and implementing situation-dependent solutions.
  • You also have an independent and structured way of working, enjoy communicating with external and internal employees and are keen to play an active role in our team.
  • You also have business fluent written and spoken German and a class B driving license.


  • Hybrid working model with home office option.
  • Flexible working hours through trust-based working hours.
  • At some locations a subsidized canteen and various free drinks.
  • Modern office space with very good transport connections.
  • Various employee discounts for activities and products.
  • Employee events such as summer and winter parties, as well as workshops.
  • Numerous training and development opportunities.
  • Various health offers, such as sports and health courses.

apply online now

We value diversity and welcome all applications - regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.


Recruiting Team IONOS

Hinterm Hauptbahnhof 3-5
D-76137 Karlsruhe