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Network Administrator (REF4217P)

Deutsche Telekom IT Solutions HUBudapest

20 days ago

Job description

Job Description

As part of the Capability Network , we are responsible for delivering and maintaining the network infrastructure components—such as routers, switches, WLAN access points, and firewalls—across office locations, data centers, and central services (DNS, DHCP, Radius, Internet Connect, etc.). Additionally, we provide company-wide communication services on a global scale. The availability and reliability of these essential services are critical to all employees within the Deutsche Telekom Group.

We need you to support you in the network area in order to enable DTAG tomorrow with best-in-class data communication!

You should bring :

Strong understanding of network technologies and processes.
Proven experience with SD-WAN solutions and WAN / LAN / WLAN infrastructure.
Understanding of TCP / IP, BGP, ACLs, IPSEC, SD-WAN, Wifi.
Strong problem-solving abilities in both cloud and on-premises environments.
Enthusiasm for new technologies and processes.
Exposure to tooling like ICINGA, Jira, SNOW
Ability to analyze and interpret network performance data for proactive solutions.
Exceptional troubleshooting skills to diagnose and resolve network issues efficiently.
Embrace an agile mindset to adapt swiftly to changes and drive continuous improvement.
Apply knowledge of agile methodologies to enhance team collaboration and project execution.
Foster an environment where agile principles are practiced and communicated effectively within the team.
Comfortable working in oncall duty and shifts to support stable operation in the mentioned technologies and services.

Qualifications

Special tasks :

Troubleshoot and resolve WAN, LAN, wireless, and SD-WAN connectivity issues

Maintain scalable, secure, and resilient SD-WAN and enterprise network solutions

Verify IOS image compatibility across the network device portfolio.

Back up existing configurations prior to upgrades.

Execute staged IOS upgrades during non-peak and out of office hours with rollback procedures ready.

Pre-configure LTE routers for deployment.

Maintain accurate network documentation in the Configuration Management Database (CMDB).

Aid 1st-level colleagues in addressing recurring or complex network issues.

Contribute to the internal knowledge base with documented lessons learned, how-to guides, and FAQs.

Staging and testing WAN / LAN / ST-WAN edge devices before rollout.

Support 1st-level colleagues in triaging recurring or complex issues.

Contribute to internal knowledge base with lessons learned, how-to guides, and FAQs.

Language requirements

German language skills B2

English Proficiency B2

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