[Hiring] Senior Network Administrator @Deutsche Telekom IT Solutions

Role Description

Service Hub Network is looking for a Network Administrator to join the team. The candidate shall have background and proven experience in networking solutions (WAN Optimization, routing, LAN, WLAN, SD-WAN, SD-LAN…). The previous work experiences should include traditional network skills based on Switching/Routing preferred on Cisco basis and required protocols (BGP, etc.).

Qualifications

• Strong understanding of network technologies and processes.
• Proven experience with SD-WAN solutions and traditional 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 on call duty and shifts to support stable operation in the mentioned technologies and services.

Requirements

• Troubleshoot and resolve WAN, LAN, wireless, and SD-WAN connectivity issues.
• Participation in on call duty.
• Maintain scalable, secure, and resilient SD-WAN and enterprise network solutions.
• Participation in SD-WAN migration tasks as technical support.
• 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/SD-WAN edge devices before rollout.
• Support 1st-level colleagues in triaging recurring or complex issues.

Benefits

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

Company Description

Deutsche Telekom IT Solutions is the most attractive employer in Hungary in 2025 according to a representative Randstad survey. As a subsidiary of the Deutsche Telekom Group, the company offers a wide portfolio of IT and telecommunications services with over 5300 employees. We serve hundreds of large customers, particularly in Germany and other European countries. DT-ITS was awarded the "Best Educational Cooperation" by HIPA in 2019 and received the award for the "Most Ethical Multinational Company" in the same year. The company continuously develops its four locations in Budapest, Debrecen, Pécs, and Szeged and seeks qualified IT professionals to strengthen its team.