Senior IT System Engineer (60% Remote) – Bonn

Responsibilities

• ▹Analyze and assess incoming firewall approval requests (e.g. from ticketing systems)
• ▹Check technical and functional requirements such as source/target systems, ports, protocols and communication direction
• ▹Coordinate with requesters, application owners and network teams on unclear or incomplete requirements
• ▹Configure and implement firewall rules on central and decentralized firewalls, following the least-privilege principle
• ▹Adjust existing rule sets and carry out changes according to change management processes
• ▹Test and validate implemented firewall rules through functional tests, analyzing network traffic and logs for troubleshooting
• ▹Maintain complete documentation of all implemented firewall rules in the ticketing system and configuration documentation
• ▹Regularly review existing firewall rules, identifying and removing outdated or redundant ones

Requirements

• ▹Bachelor's degree in an IT field or a recognized IT vocational qualification, alternatively at least 5 years of professional experience in IT
• ▹Cisco CCNP (Routing/Switching) or a comparable security certification
• ▹At least 5 years of experience in networking (e.g. as a network administrator)
• ▹Very good German (min. C1) and good English (min. B1)

What we offer

• ▹60% remote work option
• ▹Long-term perspective with the option of permanent hire

About the company

The client is an award-winning engineering service provider involved in forward-looking, cross-industry development projects both nationally and internationally.