Title:  IT Network Engineer (m/w/d)

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.

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