Network Administrator at FlexIT Consulting managing secure IT infrastructures and network design. Focused on implementing solutions for network performance and security standards in a hybrid environment.
Responsibilities
Planning, designing and building high-performance network environments (switching, routing, LAN, WLAN/Wi‑Fi, VPN) including VLAN/ACL segmentation, quality-of-service and redundancy concepts
Designing, deploying and operating modern next‑generation firewalls (e.g. Sophos XGS)
Implementing security standards such as hardening, Zero Trust, port security, NAC and RBAC
Administration of heterogeneous Windows and Linux server landscapes, Active Directory and virtualization (VMware, Hyper‑V, DataCore)
Planning, site survey and operation of professional WLAN infrastructures (e.g. Aruba Central)
Proactive monitoring as well as analysis and resolution of complex network and infrastructure incidents (2nd/3rd‑level)
Preparation of clear system and project documentation and structured handovers to operational IT teams
Close coordination with project management and sales
Requirements
Completed technical training (e.g. IT specialist), degree in IT or comparable qualification
Several years of 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, Active Directory) and virtualization (VMware/Hyper‑V)
Experienced in professional WLAN management and access point design
Analytical, structured, independent and quality‑oriented
Confident, service‑oriented manner when dealing with customers and colleagues; very good German and good English skills
Enjoyment of working in varying customer environments and a valid Class B driving license
Motivation to continuously develop through training and certifications (e.g. Sophos XGS, Aruba Central, Microsoft) and to drive new topics forward
Benefits
Secure position in an established company with long‑term prospects
Exciting, varied projects in networking, IT security and infrastructure
Modern work 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 processes and a high degree of autonomy in technical matters
A collegial, appreciative team with a genuine hands‑on mentality
Company car or pool vehicle for customer appointments (depending on position and experience)
Attractive compensation package with additional voluntary benefits
30 days of vacation plus additional days off for special occasions
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