DE4_Administrator IT (80062821)

ArcelorMittal; Duisburg; Vor Ort; EUR 55.000 - 75.000; Vollzeit

Zusammenfassung

A leading international steel manufacturer in Duisburg is seeking an IT Infrastructure Expert. Responsibilities include maintaining client and server environments, supporting incident resolution, and managing security devices. The ideal candidate has over 3 years of IT infrastructure experience and is fluent in German and English. This role requires effective communication skills and the ability to work in an industrial environment.

Qualifikationen

• 3+ years of experience in IT Infrastructure.
• Strong knowledge of client and server OS (Windows necessary).
• Fluent in German and English.

Aufgaben

• Maintain and support Client & Server environments.
• Analyze and resolve network-related incidents.
• Provide 24/7 support (on-call duty).

Kenntnisse

Client & Server environments

Incident analysis and resolution

Cisco LAN / Routing

Fortinet security devices

O365 challenges

Effective communication

Cloud technologies

Tools

Cisco devices

Fortinet

F5 Big-IP APM

Azure

AWS

Jobbeschreibung

Main tasks

The IT Infrastructure Expert will be responsible for :

• Maintaining and supporting Client & Server environments
• Supporting end users and technical teams in incident analysis and resolution
• Maintaining the network based on Cisco & Siemens devices
• Maintaining security devices based on Fortinet
• Analyzing and resolving virtual and physical network-related incidents
• Providing support and guidance for OT teams in network management
• Supporting the hardening of IT and OT devices by enforcing policies and monitoring access
• Participating in planning and executing IT-related projects
• Providing 24/7 support (on-call duty)

Specific Knowledge

• 3+ years of experience in IT Infrastructure
• Ability to work in an industrial environment
• Strong knowledge of client and server OS (Windows necessary, Linux an advantage)
• Good knowledge of O365 challenges (Skype / Teams especially) and cloud proxy technology
• Strong knowledge of network technology: LAN / Routing on Cisco (certification is an advantage) and optionally Siemens devices
• Good knowledge of WLAN technology: Cisco Wireless Controller
• Basic knowledge of firewall / IPS management (Cisco and Fortinet)
• Basic knowledge of routing protocols: static, OSPF, and WAN routing
• Basic knowledge of F5 products, especially F5 Big-IP APM
• Basic knowledge of cloud design and architecture (Azure, AWS, OCI, etc.)
• Knowledge of optical fiber connection analysis and splicing is an advantage
• Knowledge of Alcatel-Lucent telephone systems and FTA infrastructure is an advantage
• Effective communication skills with non-IT users

Languages :

• German (mother tongue)
• Fluent English required
• Any other language is a plus