Core IMS Engineer

Home Based  ‐ Onsite
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Description

Core IMS Engineer

We urgently require an experienced Core IMS 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 execute expert triage on Wireshark PCAP signalling log to isolate signalling or systematic issues
  • Signalling or systematic fault identification and problem isolation
  • 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
  • Tektronics IRIS knowledge is a plus
Start date
n.a
From
Henderson Scott
Published at
01.04.2020
Project ID:
1916083
Contract type
Freelance
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