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.

The Tribe Voice & Messaging is responsible for the design, development, planning, validation and operation of all voice and messaging platforms in DT Technik's fixed and mobile networks over their entire lifecycle. We provide innovative, reliable state-of-the-art services to our cellular- and landline-based customers.

The TAS-GK platform is made up of 2 parts – TAS-GK/SIP-Trunk 1.0 & TAS-GK WS (Wholesale, C.SIP.G) – and provides a voice platform for business customers offering SIP-Trunking Services. Currently more than 200,000 business customers are hosted from all business segments (S/M/L/XL).

The Squad TAS-GK (Telephony Application Server - Geschäftskunden) is looking for a Network Engineer specializing in setting up and maintaining the necessary network infrastructure.

Tasks & Responsibilities

• English knowledge is a must (at least B2 level)
• You have a technical degree or have completed vocational training in connection with several years of professional experience in the field of Network Engineering.
• You are involved in the defining and implementation of requirements, including associated network interfaces
• You participate in increment planning, definition, refinement from backlog items (JIRA)
• You ensure the implementation of security and compliance requirements in the task field
• You carry out deployment tests, updating configurations and deploy third party firmware packages and other deliveries
• You carry out functional tests and derive necessary measures to ensure the production stability, availability, and security of applications/systems
• You act as a point of contact for internal or external IT service providers for network peering and operations
• You conduct error analysis and troubleshooting as well as deep analysis of performance gaps

You are also characterized by the following knowledge and skills:

• Very good working knowledge of the IPv4 / IPv6 networking protocols / environments including the associated layers and protocols as well as security / access tools (firewalls)  
• Good working knowledge of network design, especially of service area networks and network security aspects (zone segregation, VLAN creation, IP security mechanisms etc.)
• Experience with: Fortinet Firewall, Juniper, VRF, IPSec, OSPF, BGP and VPN
• Experienced with the development and implementation of complex network monitoring solutions in the areas of: hardware event- and performance-monitoring as well as the collection and processing of the appropriate metrics. (Grafana, Elasticsearch, Zabbix, SNMP, restful-API’s and evaluating the necessary syslog information)
• Sound knowledge of IT-systems and -concepts, including monitoring and automation thereof (Git pipeline & Ansible)
• Experienced in working with Linux & VMware

Additional Information

Ideally you are also:

• Proven experience setting up network infrastructures
• Ready to learn new technologies and tools
• You ensure open and transparent communication
• A team player and willing to work in an agile team environment
• Can work independently as well as in a team
• Openness for participation on on-call duties
• Have some German language skills (though not mandatory)

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