Senior Network Administrator

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Senior Network Administrator

We are searching for a Senior Network Administrator at our HANNOVER (DE01) facility.

Main mission of the role

• Network Operations and Administration

Independent administration and monitoring of the company-wide network infrastructure (IT / OT), including switches, WLAN, routing, and VLANs. Development and implementation of improvement measures to enhance network stability and performance. Creation and maintenance of technical documentation.

Firewall and VPN Systems

Management and configuration of (global) central firewall and VPN systems (Fortinet) in coordination with supervisors and the IT team. Implementation and optimization of technical security measures.

Partial responsibility for infrastructure projects – from planning and coordination to the implementation of individual technical work packages.

Support in ensuring compliance with internal and external security requirements (, ISO 27001, NIS2). Involvement in vulnerability assessments and the implementation of appropriate mitigation measures.

Active contribution to the ongoing development of technical processes and standards in the IT department. Proposing ideas to optimize infrastructure, security, and operations.

Support in managing physical and virtualized Windows servers. Participation in patch management as well as user and group administration. Troubleshooting of technical issues within the IT / OT system landscape.

Support in the administration and further development of Microsoft 365 (SharePoint, Exchange, Teams, etc.) and Azure services. Execution of administrative tasks such as license management and technical configurations.

Handling of IT support requests. Creation of technical guides and conducting IT-related training sessions and user onboarding.

Skills, knowledge and abilities

Willingness to support end users and share knowledge through training and onboarding sessions

Ideally, you also bring :

About RFS

Radio

Frequency Systems (RFS) delivers the

end-to-end RF solutions and expert services needed to evolve wireless and

broadcast networks today and tomorrow. Our cables, connectors & antenna

systems are based on more than 100 years of experience delivering cutting-edge

RF solutions and industry firsts. As a result, our solutions are recognized

globally for their innovation, superior performance and unmatched quality.

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