Senior IT-Systemadministrator (m/w/d) - Schwerpunkt Microsoft

We are a small IT service company with a loyal clientele from micro-enterprises to corporate structures. Long-term customer relationships and excellent advice are particularly important to us – that is why we attach great importance to regular, personal contact with our customers. To strengthen our team, we are now looking for an experienced IT system administrator who not only develops our IT infrastructure, but also likes to communicate with customers and advise them competently. Our customers sit in Cologne and in the Cologne area. Responsibility for the administration, maintenance and further development of our IT systems Personal advice and support of our customers Planning, implementation and optimization of IT infrastructures and networks Analysis and elimination of disturbances, performance tuning and ensuring system availability, security Creation and maintenance of technical documentation Support and mentoring of junior administrators

Completed training or appropriate certificates in the IT field or comparable qualification At least 5 years of experience in system administration Knowledge of network technologies, Windows and Linux systems, virtualization technology and IT security solutions Secure regamg with cloud technologies Experience with Checkmk desirable Analytical thinking and structured, independent working Teamability and Communication Strength Very good knowledge of German and English in word and writing

A responsible, varied position in a small, professional company The possibility of actively shaping processes and introducing their own ideas A motivated, collegial team with flat hierarchies and an open communication culture An esteeming prerogative that recognises and promotes the work of his team Education expressly desired Flexible working hours and home office options Use of Carsharing offers free Germany ticket JOBV1_EN