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18.10.2021

IMS Engineer

ZTE, Корпорация
Телекоммуникации / Связь
  • Регион:Киев
Английский (средний)

Tasks & Responsibilities

  • Virtualization based IMS system implementation
  • Commissioning, Integration, Acceptance Testing process handling
  • 3rd party network elements (CS, PS core) integration, testing
  • New features testing, implementation
  • O&M, change management, software upgrades/updated implementation
  • Customer service requests handling

Required  Experience

  • Bachelors or Masters degree in Computer Science or Engineering.
  • 3-5 years hands on experience with CS or PS core and operations field.
  • Good knowledge of Mobile Voice over 2G/3G/LTE, troubleshooting and call trace analysis.
  • Understanding of mobile carrier technology: signal flows in 3G, LTE (4G), EPC, MME, S-GW, P-GW, GGSN, SGSN, GTP protocols, VoLTE.
  • Protocols knowledge: ISUP, CAP, TCAP, MAP, SIP, H.248, SCCP, ISDN, SIGTRAN, M3UA, GTP, H.324, RADIUS, Diameter, CAMEL.
  • TCP/IP networking (routing, analyzing network captures, etc.)
  • UNIX or LINUX systems administration experience
  • Network function virtualization infrastructure knowledge
  • Troubleshooting and fault detection. Proactive and preventative maintenance.
  • Ability to thrive in a fast-paced start-up environment, managing multiple tasks and deadlines in parallel with ability to recognize and adjust priorities as required.
  • Ericsson Core MSS, MGW, HLR/HSS experience will be a big advantage 

We offer:

  • Competitive salary.
  • Work at high-end technology with dynamic team in warm and flexible enviroment.
  • Location: comfortable office not far from the metro Lukiyanivska

Please send your CV in English with salary expectations