Senior IT System Administrator | Informatiker/in (Weiterbildung)
LeitnerLeitner GmbH Wirtschaftsprüfer und Steuerberater
Job Summary
As a Senior IT System Administrator at LeitnerLeitner, you will play a pivotal role in managing and evolving the digital infrastructure across Austrian and CEE locations. Your daily responsibilities include operating Windows server and network environments, ensuring high availability, stability, and system security. You will monitor performance, conduct troubleshooting, and lead IT projects such as the implementation of new software systems. Working within a team of over 20 IT professionals, you will actively optimize both on-premises and cloud infrastructures. This role is particularly attractive due to its blend of international scope and manageable company size, offering deep insights into all IT areas. The position provides a modern work environment in Linz or Vienna, flexible working hours with an early weekend start on Fridays, and extensive professional development opportunities within a supportive, expert team.
Required Skills
Education
Completed IT education from a University of Applied Sciences (FH), Higher Technical Institute (HTL) in Computer Science, or a comparable qualification.
Experience
- Minimum of 4 years of professional experience in IT infrastructure or system administration
- Extensive experience in Microsoft environments, specifically application operation and M365
- Proven experience in managing email systems and associated security protocols
- Experience with Active Directory, Entra ID, and Azure is highly preferred
- Professional background in structured, independent, and solution-oriented project execution
Languages
Additional
- Available for full-time or part-time (minimum 30 hours per week). Location options in Linz or Vienna. Permanent contract duration.