Planning, design and implementation of high-performance network environments (switching, routing, LAN, WLAN, VPN)
Design, configuration and operation of modern next-generation firewalls
Implementation of security standards such as hardening, Zero Trust, port security, NAC and RBAC
Administration of heterogeneous Windows and Linux server landscapes, Active Directory and virtualization
Planning, site-survey/coverage and operation of professional WLAN infrastructures
Proactive monitoring as well as analysis and resolution of complex network and infrastructure incidents
Creation of clear system and project documentation and structured handovers to ongoing IT operations
Close coordination with project management and sales and technical consulting for customers

Completed technical training (e.g., IT specialist), degree in IT or a comparable qualification
Several years of practical experience in IT security and firewall operations (2nd/3rd level), ideally with Sophos XGS
Solid knowledge of network administration (switching, routing, VLAN), preferably with Aruba Central
Experience in server administration (Windows Server, AD) and virtualization (VMware/Hyper-V)
Experienced in professional WLAN management and access point concepts
Analytical, structured, independent and quality-oriented
Confident, service-oriented manner when dealing with customers and colleagues; very good German and good English skills
Enjoy working in varying customer environments and holding a Class B driving license
Motivation to continuously develop through training and certifications and to drive new topics forward

Secure position in an established company with long-term prospects
Exciting, varied projects in networking, IT security and infrastructure
Modern working environment with high-quality technical equipment
Individual training and certification programs (e.g., Sophos, Aruba, Microsoft)
Flexible working hours and the option for partial remote work
Short decision-making paths and plenty of scope for technical design
A collegial, appreciative team with a real hands-on mentality
Company car or pool vehicle for customer appointments (depending on role and experience)
Attractive salary package with additional voluntary benefits
30 days of vacation plus additional days off for special occasions

IT Network Administrator

Key skills