Mobile Packet Core & RAN Optimisation Expert

Berkshire  ‐ Remote
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Network Performance 4G (Telecommunication) Customer Experience Telecommunications GPRS Core Networks LTE (Telecommunication) Server Application Business Requirements Consulting Domain Name System (DNS) Drive Testing Message Transfer Agent Performance Management Multimedia Network Architecture Performance Improvement Habilidades Telefónicas Stakeholder Management Statistics Technical Information Wireshark Mobile Network Operator


Job Title: Mobile Packet Core & RAN Optimisation Expert

Location: Reading & Remote

Job Type: Contract

Duration: 6 month initially

Start Date: 1st May 2024

Pay Rate: TBC

Flint UK Technology Services is looking for a Mobile Packet Core & RAN Optimisation Expert to join one of our telecommunications clients.

We are looking for someone with a deep understanding of 3G, 4G and 5G packet Core Network architecture & operation as well as good understanding of RAN performance and demonstrable E2E optimization expertise in improving data customer experience via suggesting Network tuning & design changes as well interfacing with the packet core operations team to resolve ongoing systematic issues.


  • Monitor network performance through RAN and Core network OSS KPIs as well as crowdsource data.
  • Work as Part of the network performance improvement team to deliver analysis for 4G and 5G Network performance through Drive test, network traces, crowd data and KPI analysis to improve the overall network performance focused on these technologies.
  • Propose and pursue the required Packet Data Performance Improvement Design recommendation and changes.
  • Suggest different features & parameter improvements to support the End-to-End Performance objectives related to Packet Data Performance
  • Drive continuous improvements in Network Performance by focusing on Customer experience KPIs.
  • Work in conjunction with team of E2E RAN, IMS Core & Transmission Design teams to ensure appropriate End to End solutions are delivered & ensure Packet Core Network Performance & Customer experience KPI Targets are maintained/exceeded.

Skills, Experience and Qualifications

  • Be an expert in Evolved Packet Core Network (MME, Packet Gateway, PCRF,) & preferably IMS Core (CSCF, MTAS - Multimedia Telephony Application Server, SBG, BGF/MRF).
  • Good working knowledge of 3G MPC elements (GGSN, SGSN, DNS) and associated interfaces including key protocols including GTP, Radius, Diameter, RANAP and MAP.
  • Deep Understanding of End-to-End VoLTE Solution and understanding of enriched communication services solutions
  • Must have deep knowledge of Packet Troubleshooting and trace analysis.
  • You will have experience using network statistics, network traces and drive trialling logs to analyse and improve network performance. Tracing tools eg Wireshark, NetScout, Empirix
  • Must have wide experience in troubleshooting HW, SW & Signalling flow problems.
  • Ability to provide technical solutions for network performance & optimisation of 4G and 5G networks.
  • Five or more years of experience in an Established Mobile Network Operator or Vendor/Consultancy with genuine experience in technical projects with LTE/VoLTE/5G technology.
  • Demonstrate the ability to communicate with multiple stakeholders within the organisation and ability to convert business requirements into a technical solution.
  • You will have strong communication and presentation skills including presenting complex technical information in simple terms.
  • BA/BS degree in computer science, telecommunication, electrical engineer or equivalent
  • Excellent working knowledge of MS Office tools including Word, Powerpoint & Excel.
Start date
6 months rolling
Flint UK Technology Services
Published at
Project ID:
Contract type
100 % remote
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