Network Administrator (REF4217P)

The largest ICT employer in Hungary, Deutsche Telekom IT Solutions (formerly IT-Services Hungary, ITSH) is a subsidiary of the Deutsche Telekom Group. Established in 2006, the company provides a wide portfolio of IT and telecommunications services with more than 5000 employees. ITSH was awarded with the Best in Educational Cooperation prize by HIPA in 2019, acknowledged as one of the most attractive workplaces by PwC Hungary’s independent survey in 2021 and rewarded with the title of the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.

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. 

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

* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.