Junior Telco Engineer (IREG)

Infopulse welcomes talented professionals to join our project as a Junior Telco Engineer (IREG) in a Telecom Team for our respectful client BICS.

Areas of Responsibility

  • Roaming Hub provisioning (operators implementation according to design; numbering plan updates; opening roaming agreements)
  • Testing GSM, GPRS, CAMEL, LTE, LTE-M, NB-IoT, 5g NSA services in roaming (such as MO/MT calls, SMS, call forward, data transfer, online charging, etc)
  • Troubleshooting of failed GSM/CAMEL scenarios (based on SCCP, MAP, CAP, SIP/ISUP traces and logs)
  • Troubleshooting of failed GPRS/LTE/LTE-M/NB-IoT/5g NSA scenarios (based on GTP and DIAMETER traces and logs)
  • BICS MVNE testing and troubleshooting (IoT service)
  • Multi-IMSI Roaming testing
  • Communication with the mobile networks worldwide for technical issues resolving
  • IREG testing (IR24/35/60/48/38, NG.112 etc)
  • TADIG testing (TAP flow and TAP files validation)


  • Relevant work experience in a mobile service provider environment
  • SS7 stack knowledge (SCCP, MAP, SIP/ISUP) is a must
  • Basic CAMEL/GRX/GTP/DIAMETER knowledge
  • GSM/LTE networks architecture knowledge
  • Understanding of billing systems, CDR’s, TAP flows, TAP files
  • MS/BS degree in IT, Telecommunications or equivalent
  • Intermediate level of English

Will be an advantage

  • Basic LTE-M/NB-IoT, 5g or VoLTE knowledge
  • Understanding open connectivity roaming hub and/or working experience with Data Clearing Houses
  • Knowledge of and experience with core network data implementation on mobile network nodes

Your contact for this vacancy is:

Olena Ryzhko
Junior HR Manager

Send us your CV and we will get back to you.

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