CareerPlan

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

Varna, Varna, bgFull-time2026-11-05 → 2026-11-10
Hybrid

Core

Provide L1 network support for voice and mobile services, monitor and investigate fraud events, and ensure quality/reliability of international communications for BICS.

Role type

Junior Service Desk Engineer (Telecom/Fraud Prevention)

Builds

L1 support activities, fraud detection resolutions, and service improvements for BICS customers

Domain

Wholesale telecommunications, Fraud Prevention, Voice & Mobile Networks

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, Network KPI analysis

Preferred skills

Wholesale telecom business knowledge, Experience with fraud detection systems

Technologies

GSM, LTE, 5G, SIP, MTP, ISUP, SCCP, TCAP, IP networks, Fraud detection systems

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 to guarantee complaint resolution within SLA

Seniority

Junior, hands-on IC