26 Jul
Sr Operations Engineer ( IMS)- Remote
Vacancy expired!
- Interpret technical standards including 3GPP, IETF, and ITU to drive product implementation and testing.
- Perform end-to-end call flow testing for VoLTE, Voice over Wifi with emphasis on TAS (Telephony Application Server)
- Test interoperability and features of PDN GW - Packet Data Network Gateway, IP Multimedia System products including CSCF (P/I/S/E), IMS HSS, B/M-GCF, SBC, MRF, TAS, Voicemail, Messaging and conferencing servers.
- In connection with such duties, utilize packet tracing tools (including IRIS Session Analyzer, Wireshark) to troubleshoot issues in the scope of deep packet inspection, latency, packet-drop, QoS, IMS interfaces (including S1, S6a, S11, SGI, CX, GM, RX, SY, GX, and GY), protocols (including TCP/IP, UDP, RTP, RTSP, ICMP, DHCP, TLS, NTP, SMTP, DNS, SIP, SDP, Diameter, HTTP, Telnet, and MIME), LTE, 1X, EVDO technologies, audio and video codecs (including AMR, AMR-WB, AMR-NB, PCMU, PCMA, and h.264), and transcoding functions (transcoders).
- Working experience with Linux platforms is mandatory requirement.
- Scripting (in bash/Perl/Python/XML) ability is preferred.
- Working knowledge of SQL commands.
- Familiar with IP networking concepts (TCP, UDP, IP, VLAN, IP Subnet)
- Familiarity with NFV preferred
Vacancy expired!