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
Kontaktperson
karriere@leschaco.com
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