IT-Infrastructure Specialist (m/f/d)

About us 

At ATOSS Software SE, we are driving the future of workforce management. With our software solutions, we are helping our customers to work more creatively, intelligently and humanely, revolutionizing and optimizing the interplay between profitability and humanity. With 19 consecutive years of record growth, inclusion in the SDAX and TecDAX, we continue to expand globally. 

The Person You are  

At ATOSS, we hire for both character and skill, seeking individuals who embody resilience, a pioneering spirit, and the passion to grow.  

We value those who:  
Think like entrepreneurs – taking ownership, pushing boundaries, and driving impact.  
Challenge the status quo – bringing fresh ideas and bold execution to the table.  
Thrive in change – seeing growth as a lifelong journey, both professionally and personally.  

We don’t just equip you for work—we prepare you for life.

The Role

We are searching for an IT-Infrastructure Specialist (m/f/d) to manage and optimize virtual infrastructures, oversee backup systems, and provide third-level IT support. The role also involves troubleshooting, configuring VPN solutions, and ensuring smooth IT operations.

Key Responsibilities

• Third level IT support remote and on premise.
• Manage and optimize virtual infrastructures (VMware vSphere), Citrix farms and network systems.
• Design and implement high-availability, critical IT solutions.
• Oversee bare-metal servers at data centers and manage backup systems (BackupExec/Veeam).
• Manage and supervise Microsoft Entra/Azure environments.
• Troubleshoot and configure VPN/RAS solutions in collaboration with internal teams and external clients.
• Customer communication via phone, mail and ticket system for ticket processing.
• Interface between internal IT, consulting, and external customer IT
• Create and maintain documentation while managing incidents and ensuring smooth IT operations.

Key Requirements 

• You have a completed vocational training in the field of computer science  with a strong focus on IT infrastructure or studied in a similar field.
• Expertise in one or ideally more of the following areas: VPN/RAS solutions, VMware vSphere, Citrix, Windows systems, or PowerShell.
• Solid understanding of networks, routing, scalable system architectures.
• Expertise in Microsoft enterprise technologies (e.g., Active Directory, Entra-ID) and knowledge of current Windows (server/prosumer) operating systems.
• Strong analytical and organizational skills with a customer-oriented mindset.
• Fluent in German (C1 or higher) and good written and spoken English skills.
• A valid driver's license is required.

Our Benefits 

• Competitive Rewards: Including profit-sharing and employee stock program.  
• Structured Onboarding & Continuous Leadership Development: Clear career paths onboarding through Expert & Leadership Tracks, plus access to ATOSS Academy.  
• Flexible Work Culture: Hybrid options (remote within the EU), 30 days of vacation, and a strong commitment to diversity & inclusion.  
• Engaging Team Environment: Seasonal company events, team retreats, and an in-house barista.  
• Health & Wellbeing: Including regular check-ups, corporate wellness programs, and Wellpass membership.  
• Stability & Growth: Company listed on SDAX & TecDAX, with 19+ years of record-breaking revenue and a 30%+ EBIT margin. Certified Top Employer© for the 5th year in a row.  

At Atoss, great talent knows no limits. We welcome professionals from all backgrounds and empower their growth through an inclusive, skill focused environment.  

Join us and be part of a high-growth, future-focused company!