Description
IMS Core Network Engineer
We urgently require an experienced IMS Core Network Engineer who is an end to end troubleshooter also.
This is initially a homes based role due to COVID-19, but should we return to normality, you will be expected to work onsite in Berkshire.
You will need to display
- Deep understanding of VoLTE signalling flow including SIP, DIAMETERS, RADIUS, RTP
- Deep understanding of VoLTE call flow including SRVCC procedures
- Good understanding of 3G signalling flow including RANAP, NBAP, RRC
- High level knowledge of VoLTE Network Architecture including RAN, Core (MSC/HLR/MME) and IMS nodes (CSCF, SBC, MTAS)
- Ability to own problem resolutions and seek support from external stakeholders (eg, network vendors, 3rd parties)
- Cisco MME and Oracle IMS previous experience is a plus
- Ericsson RAN knowledge is a plus