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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
If you are interested at current position, please send your detailed Resume/CV in English with salary expectations.
Please be assured your CV containing personal information will be kept confidential and be used only for job match in ZTE Ukraine.