operational services GmbH & Co. KG | Germany | 50xxx, 51xxx Köln | Permanent position | Full time / Home office | Published since: 23.12.2025 on stepstone.de
Administrator Windows Server and Client Support (m/f/d)
operational services (OS) is one of the leading ICT service providers in the German market and is considered to be the backbone of digitalization. It is the leading agile unit of the Telekom Group in order to continuously accelerate the digital transformation in the German middle class. With over 1,000 highly qualified employees, it develops and operates state-of-the-art information systems, manages private & public cloud platforms, secures long-term 24/7 system support and the availability of critical operating processes. COURT: 992025095VOH
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Your tasks • Your profile • What we offer
Participation in planning, design and implementation Start-up of Windows Server and Clients
Processing/ implementation of complex orders
Participation in the creation of policy templates and concepts
Install and maintain tools
Design and Introduction of Supporting Tools
Participation in the development and planning of service concepts
Participation in ensuring the agreed service levels
Participation in projects of contracting authorities
Bachelor degree or completed vocational training with adequate professional experience
At least three years of professional experience, of which at least one year in the IT administration
Ideal experience with OMNISSA Horizon platform
Good and broad technical understanding
Very good technical expertise in the targeted field of work and good knowledge of adjacent technologies
Very good knowledge of English as well as knowledge of German in word and writing
Germany-wide mobile work Attractive salary package with participation 37 hours/week with working time accounts Employer-funded training and certification Another plus is our bicycle leasing, 30 days holiday, subsidised Germany ticket, employee-funded retirement provision, asset-effective services, group accident insurance for work and leisure as well as employee conditions for many products from the Deutsche Telekom Group. .
Location
 | operational services GmbH & Co. KG | |
| Köln | ||
| Germany |
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