TÜV Rheinland Group | Germany | 50xxx, 51xxx Köln | Permanent position | Full time / Home office | Published since: 23.03.2026 on stepstone.de
IT Security Administrator*in (m/f/d)
Reference code: 11916 Company: TÜV Rheinland Service GmbH
We share the enthusiasm for forward-looking solutions with over 28,000 people around the globe. At TÜV Rheinland you can contribute your knowledge independently and continue to develop in person. We are a team of highly qualified experts who face responsible challenges to enrich life with valuable achievements. And we all love what we do. If you want to bring your talents in a meaningful way, you will come to TÜV Rheinland. Let us take advantage of these diverse possibilities and make ourselves together on new goals.
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Your tasks • Your profile • What we offer
Reference code: 11916 Company: TÜV Rheinland Service GmbH
We share the enthusiasm for forward-looking solutions with over 28,000 people around the globe. At TÜV Rheinland you can contribute your knowledge independently and continue to develop in person. We are a team of highly qualified experts who face responsible challenges to enrich life with valuable achievements. And we all love what we do. If you want to bring your talents in a meaningful way, you will come to TÜV Rheinland. Let us take advantage of these diverse possibilities and make ourselves together on new goals. As IT Security Administrator*in (w/m/d), you are responsible for the processing of incidents and service requests concerning the network security infrastructure: you analyze proxy problems, configure SSL exceptions, customize firewall rules and ensure the accessibility of services. You are responsible for the commissioning and configuration of firewall equipment (Fortinet FortiGate): hardware installation in the rack, basic configuration via CL/GUI, location-specific final configuration and connection to the central management (FortiManager/FortiAnalyzer). You maintain and adapt the network infrastructure: set up, modify and troubleshoot WAN-IP addressing, routing, NAT rules and VPN tunnel (IPsec/SSL-VPN). Monitoring and initial analysis of security events using firewall logs and network monitoring tools is also part of your task and escalation in security-relevant incidents. You work in projects with the introduction, migration and extension of security solutions - from technical preparation to implementation. You work with colleagues from network, server and application operation as well as with external service providers.
Successfully completed studies in the field of computer science, IT security, communications technology or completed training as a specialist in system integration - with detectable reference to network technology Funded understanding of network bases: OSI model, TCP/IP, Subnetting, VLAN, DNS, DHCP- You can explain what happens on the individual layers Ability to systematically limit network problems. You will certainly distinguish between a physical, a routing, a DNS and an application problem before escalating Basic understanding of firewall concepts: Policies, NAT, Stateful Inspection, VPN Ready for physical work on hardware: rack mounting, cabling, console access German and English in word and letter for an open handling of international customers
Training offers - from coaching and mentoring programs to the 'Women ́s Network'. Employee talks - Regular exchange at eye level. Well insured - accident insurance, occupational disability insurance, discounted insurance. Health protection measures - occupational sports groups, seminars, precautionary measures and more. Benefits - discounts for employees, e.g. in the sports studio or when buying a car. .
Location
![]() | TÜV Rheinland Group | |
| 51105 Köln | ||
| Germany |
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