Core Network/Network Performance and Optimisation Engineer

My client are seeking a Network Core Network/Network Performance and Optimisation Engineer to join their team.

Skills: Network Testing, QA, Network Validation, IMS, Packet Switching, CS, Telco Network Protocols, Offices are Central London based, with expectations being 3 days a week in the office and 2 from home.

You will need to have a valid driving license.

There will be limited travel required with the position, likely once a month to parts of mainland Europe for short trips.

The successful candidate will stem from a Telco background and have strong hands on experience around the Core Network.

You should come from either a Mobile Network Operator (MNO), Mobile Virtual Network Operator (MVNO), or Tier 1 Supplier, and will have worked largely operated in Europe.

You will have skills around as many of the following as possible

• Strong experience around Core Telco Networks
• Experience working for an MNO/MVNO/Tier 1 Supplier
• Good understanding of Network Validation, Testing, Performance and Quality
• Experience with Drive Testing useful
• CS (MSS/MGW, SBC, STP, SMSC, HLR, IVR)
• PS (SGSN/SGW, PGW, PCRF, DNS, AAA)
• IMS (CSCF, MRF, TAS, ePDG)
• Good understanding of standards and architectures (3GPP, IETF, GSMA etc.)
• Core Network Protocols (GTP, Gi, Sy, Gx, Gy, Ro, MAP, SIP, RTP, SMPP etc.)
• Working through logs to debug issues

Desirable

• SIM/eSIM/BAP Testing
• Oracle/SQL
• Unix/Linux