CareerPlan

Junior Service Desk Engineer (Fraud Prevention & Telecom Support) – Tieto Tech Consulting (m/f/d)

Lviv, Lviv Oblast, uaFull-time2026-11-05 → 2026-11-10
Hybrid

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