IT-Network Expert (m|w|d)

Stellenbeschreibung:

Design, implementation, maintenance, and optimization of the corporate network infrastructure at international locations
Administration, support, and optimization of LAN, WAN, Wi-Fi, and VPN infrastructures in on-premises, hybrid, and cloud-based network environments
Management and troubleshooting in the areas of routing, switching, DNS, DHCP, network segmentation, and connectivity
Administration and optimization of next-generation firewall solutions, including policy management, NAT, VPNs, and traffic analysis
Monitoring of network performance, availability, capacity, and security using enterprise-wide monitoring platforms
Analysis, troubleshooting, and resolution of complex network outages and performance issues in on-premises and cloud-based environments
Implementation and maintenance of network security controls, including zero-trust principles, network segmentation, and secure remote access solutions
Participation in the investigation of security incidents and assistance in addressing security vulnerabilities and threats
Planning and execution of network infrastructure projects, migrations, upgrades, and technology rollouts
Creating and maintaining technical documentation, network diagrams, operating procedures, and disaster recovery plans
Continuously improving network reliability, security, automation, and operational efficiency
Collaborating with external vendors, service providers, and technology partners

Completed vocational training or a college degree in information technology, computer science, telecommunications, or a comparable qualification
At least 5 years of professional experience in corporate network administration, network engineering, or network security
In-depth knowledge of enterprise networks and security technologies, including TCP/IP, routing, switching, VLANs, DNS, DHCP, VPNs, dynamic routing protocols, and firewall solutions
Solid understanding of network security principles, including Zero Trust, segmentation, attack detection and prevention, threat detection, and secure network architecture
Experience with Microsoft Azure networking services and hybrid cloud environments
Hands-on experience with network monitoring, log and traffic analysis, and troubleshooting tools
Experience in vulnerability management, security hardening, and addressing security findings in the infrastructure is desirable
Relevant, recognized certifications in networking, cloud technologies, and cybersecurity are a plus
Strong analytical and troubleshooting skills, as well as the ability to solve complex technical problems
Excellent communication and documentation skills
A strong technical and service-oriented approach, as well as the ability to collaborate effectively in international teams
Fluency in English; knowledge of German is a plus