IT Network Engineer

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