Company Description
As Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries.
DT-ITS recieved the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the 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.
Job Description
For an international team, we are looking for a signaling security & fraud specialist with high expertivse in telecommunication protocolls and networks, espacially SS7/SMS, Diameter, SIP and 5G HTTP2, GTP and Roaming technologies and services. The tasks involves:
conception of security and fraud anomalie monitoring
detection, analylises and mitigation of attacks
conception and implementing countermeasures
coordination with stakeholders
Tasks
configuration of new detection filters
analysing of alerts
discuss findings with stakeholders and implement countermeauseres
Coordinate the evaluation and mitigation process with the responsible stakeholders
Development of security policy focusing on signaling threats
Evaluation of new telco signaling and signaling based fraud scenarios
Qualifications
Very good written and spoken English (C1), good German(min. B2) skills are desirable
Expertisce in telecommuination signaling protocols (SS7, Diameter, GTP, 5GHTTP2, SIP)
Knowledge in operational mobile and roaming services
Experience in anomaly detection and fraud management solutions
Security expertise in telecommunication networks
Strong analytical and problem-solving skills
High attention to detail to identify potential vulnerabilities and risks
Ability to work in an environment with high confidentiality and sensitivity
Willingness to pass selected privacy, security and risk management training and be committed to compliance with content
Additional Information
Advantages
Experience in telecommunication network security
Expirience with signaling firewalls, telco protocoll security monitoring systems
Experience in network/carrier fraud management
In-depth knowledge of fraud types, methods and techniques
What our team offers to you:
Supportive colleagues locally and internationally
Knowledge expansion through trainings, professional certifications
* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.
* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.
Company: Deutsche Telekom ITTC Hungary Kft.