Mobile Core Signalling Designer

  • Summer-Browning Associates
  • Reading, Berkshire
  • Mar 26, 2026
Contractor Telecommunications

Job Description

SBA are supporting our Telecommunication client, who are seeking an experienced Mobile Core Signalling Designer to support a major transformation programme across their Voice Core and Subscriber Data Management estate on an initial 6 month contract located in Reading (hybrid).

The ideal candidate will have deep expertise in Ericsson signalling platforms and Nokia SDM, with hands-on experience designing migrations, integrations, and service deployments within mobile core architecture.

This is a specialist technical role requiring genuine design experience

Essential Technical Skills

Ericsson Platforms (must have):

  • DSC
  • IPSTP
  • HLR
  • HSS

Nokia Platforms (must have):

  • Nokia SDM experience
  • VNF and/or CNF experience (either acceptable)
  • Exposure to subscriber migration (vendor-to-vendor or like-for-like)

General Core Competencies

  • Strong signalling knowledge
  • Diameter routing & signalling protocols
  • Core network design experience
  • Traffic migration & integration design
  • Ability to independently produce reliable HLD/LLD artefacts

To apply, please submit latest CV