Global IT Network Administrator: Secure, High-Impact Connectivity

Preh Car Connect GmbH

Viseu

On-site

EUR 42,000 - 64,000

Full time

2 days ago

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Job summary

Preh Car Connect GmbH is seeking an IT Network Administrator to maintain and secure our network backbone across LAN, WAN, VPN, and wireless environments. You will monitor performance, resolve incidents, and drive improvements to ensure high availability for our automotive operations.

Ideal candidates have 3+ years in network admin, strong Cisco/Aruba/Fortinet knowledge, and solid experience with DHCP/DNS/TCP/IP/SIP/TLS/MFA, Windows Server and Active Directory, plus English fluency.

Qualifications

Minimum 3 years of experience in network administration.
Strong knowledge of Cisco, Aruba and Fortinet environments.
Solid understanding of LAN/WAN, routing protocols, monitoring tools, and packet analysis.
Experience with DHCP, DNS, TCP/IP, SIP, TLS, MFA, Windows Server and Active Directory.
Knowledge of network security concepts (IPS, IDS, NGFW, UTM).
Strong troubleshooting and analytical skills.
Ability to collaborate with technical and non-technical stakeholders.
Fluency in English (mandatory).

Responsibilities

Manage and optimise network infrastructure (LAN, WAN, VPN, wireless).
Install, configure, and maintain network hardware, software, and security systems.
Monitor network performance and ensure availability through preventive actions.
Diagnose and resolve incidents, minimising business disruption.
Analyse recurring issues and propose improvements to enhance stability and efficiency.
Identify risks and contribute to strengthening network security and performance.
Provide user support, ensuring timely and high-quality service.
Collaborate with internal teams and external partners on infrastructure projects.
Maintain clear and up-to-date technical documentation.