IT Network Engineer (m/w/d)

at  Worldline

WHAT WE ARE LOOKING FOR:

• Education and Experience:
• Completed IT-specific training (e.g., IT specialist).
• Experience in project participation.
• Technical Skills:
• Excellent networking knowledge in CISCO and F5 environments.
• Excellent knowledge of firewall technologies.
• Excellent knowledge of operating systems and networks.
• Excellent knowledge of network design and performance optimization.
• Excellent network security knowledge.
• Excellent knowledge of certificate management.
• Team player and resilience.Security and Compliance:
• Familiarity with regulatory standards such as PCIDSS, ISO27001, GDPR, and KRITIS.
• Soft Skills:
• Strong analytical and problem-solving skills
• Ability to work under pressure and in a team environment, excellent communication skills, and a high sense of responsibility.
• Friendly and confident demeanor.
• Languages:
• Proficient in German and English to facilitate clear communication and documentation.
• Adaptability:
• Ability to learn and adapt to new technologies and processes quickly

BRIEF DESCRIPTION OF DUTIES:

The core responsibility of the IT Network Engineer is the management of all network components, firewalls, load balancers, IPS systems, dial-in systems, and data centers. Particular emphasis is placed on network security, monitoring of the entire network, and minimizing the impact of internal and external attacks (hackers, botnets, APT, DDoS, etc.).

DAY-TO-DAY RESPONSIBILITIES:

• Network Infrastructure Management:
• Review, design, planning, expansion, implementation, and operation of the network infrastructure, including Internet connections.
• Apply modern “state-of-the-art” technologies to ensure trouble-free and uninterrupted productive operations.
• Network Monitoring:
• Monitor the network using tools like Icinga, Stealthwatch, and Checkpoint, focusing especially on transaction processing within the agreed operating hours.
• Firewall and Security Systems Customization:
• Customize firewall and security systems to meet organizational needs.
• Active Network Security Monitoring:
• Utilize SIEM for active network security monitoring to minimize the impact of attacks from hackers, botnets, APT, and DDoS.
• Capacity and Performance Management:
• Manage and optimize network capacity and performance.
• Disaster Recovery Planning:
• Create disaster recovery concepts for the network area and conduct and document corresponding DR exercises.
• Business Process and Data Analysis:
• Analyze and understand the involved business processes and data.
• Workshop Participation:
• Prepare for and participate in workshops for new projects.
• Process Optimization:
• Continuously analyze and optimize process flows.
• Support and Problem-Solving:
• Support the specialist departments in problem-solving.
• Project Participation:
• Participate in various projects to improve network systems.
• Incident, Problem, and Change Management:
• Handle incident, problem, and change management tasks.
• On-Call Duty:
• Participate in on-call duty rotations to ensure continuous network operation.