Junior Service Desk Engineer (Fraud Prevention & Telecom Support) – Tieto Tech Consulting (m/f/d)
Core
Provide L1 network support for voice and mobile services, monitor and investigate fraud events, and ensure reactive repair activities for a global telecom client.
Role type
Junior Service Desk Engineer (Telecom Operations & Fraud Prevention)
Builds
L1 support for voice/mobile services, fraud detection resolution, and service reliability for BICS
Domain
Wholesale telecommunications, mobile networks, fraud prevention
Required skills
GSM network structure knowledge, Signalling protocols (MTP, ISUP/SIP, SCCP, TCAP), IP network principles, fraud prevention domain knowledge, signalling protocol monitoring tools, protocol analysers, trace analysis, Network KPIs analysis
Preferred skills
Wholesale telecom business knowledge, experience with fraud detection systems and QoS tools
Technologies
GSM, LTE, 5G, SIP, MTP, ISUP, SCCP, TCAP, IP networks, fraud detection systems, QoS tools
Responsibilities
Provide 24x7 L1 network support for voice and mobile services, monitor and investigate fraud events to identify root causes, implement improvements in fraud prevention services, communicate with customers and suppliers to resolve complaints within SLA
Seniority
Junior, hands-on IC
