IT-Network Expert (m|w|d)

IT-Network Expert (m|w|d) Responsibilities 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 Profile 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 What we offer • Flexible work hours • Option to work remotely on a daily basis • Customized professional development programs • An extra day of vacation on your birthday • Company fitness programs through Wellpass or Hansefit • Employee events (summer party, St. Nicholas celebration, Christmas party, and much more) • Shuttle service to the bus stop • Free parking • Company bike leasing through JobRad • Cafeteria and free beverages • Partnership with pme Familienservice • Corporate benefits E-Learning Company Events and Activities Health Offers Flexible Worktime Beverages Employee Recommendation Remote Work Sports Offers Development Extra vacation day on birthday Jetzt über unser Online-Tool bewerben und Teil der Leschaco-Familie werden. Für weitere Informationen besuchen Sie unsere Website . Kontaktperson karriere@leschaco.com Follow Leschaco Twitter LinkedIn WeChat Xing