Service Desk Engineer (Fraud Prevention & Telecom Support) – Tieto Tech Consulting (m/f/d)
Core
Provide L1 network support and fraud event investigation for global telecom operators and hyperscalers.
Role type
L1 Service Desk Engineer (Telecom & Fraud Prevention)
Builds
Voice, LTE, 5G Roaming, Cloud Communications, IoT Connectivity, Messaging, Mobile Identity, Signaling, and Global SIP Trunking services.
Domain
Wholesale telecommunications, fraud prevention, and network operations.
Required skills
GSM network structure, Signaling protocols (MTP, ISUP/SIP, SCCP, TCAP), IP networks, fraud detection systems, QoS tools, protocol analysers, trace analysis, Network KPIs.
Preferred skills
Fraud prevention domain knowledge, wholesale telecom business experience.
Technologies
GSM, LTE, 5G, SIP, MTP, ISUP, SCCP, TCAP, IP networks, fraud detection systems, QoS tools, protocol analysers.
Responsibilities
Provide 24x7 L1 network support for voice and mobile services; perform reactive repair activities with customers and suppliers; monitor and investigate fraud events to identify root causes and implement resolutions; define and implement improvements in fraud prevention services; communicate with customers and suppliers to ensure SLA-compliant complaint resolution.
Seniority
Mid-level, hands-on IC
