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RAN Test Engineer - 4G - Permanent - Mobile Telecoms

Job Title: RAN Test Engineer - 4G - Permanent - Mobile Telecoms
Contract Type: Permanent
Location: Bristol, England
Salary: Negotiable
Start Date: ASAP
REF: P/SR/RAN/Test_1563273935
Contact Name: Sara Rowe
Contact Email:
Job Published: 5 months ago

Job Description

RAN Test Engineer - Bristol - Permanent



LTE Feature Test - Ideally from a lab testing environment. New Product Introduction - Similar to feature test but it's the initial introduction into a live environment. Experience working directly for a vendor in a testing role eg. Nokia, Huawei, Samsung etc.


  • Skilled and experienced at executing 2G, 3G, 4G/LTE RAN and VoLTE testing
  • Working knowledge of tracing software such as XCAL and NEMO
  • Working knowledge of Viavi or other types of load generators
  • Experienced at setting up and working with test simulators and test systems of Anite, Spirent, Koppelfeld or other types of automated and manual attenuators
  • Proficient in the use of ALM or HP Quality Control tool
  • Good working knowledge of IMS network and its interworking with 4G and 3G/2G networks and the ability to troubleshoot and resolve issues together with other support areas.
  • Up to date working knowledge of 2G, 3G, 4G and VoLTE interfaces, radio architecture and radio resource management
  • Good understanding of Layer 2 & 3 messages, RRC/RLC Layers
  • Experience at all aspects of end-to-end testing, in all areas - IMS calls (eNodeB, MME, SGW, PCR, SBG, CSCF, MTAS), simulating live defects, defect analysis and trouble-shooting including the use of Wireshark
  • Current working knowledge of Nodes, Interfaces and Call flows/bearers in each technology
  • Good working knowledge of Core Network elements like SGSN, GGSN, MSC, Media Gateway, MME etc.
  • Being able to assess project requirements, experience with putting together a test plan and translate requirements into test cases.
  • Technical requirement analysis, test planning, test execution, test report
  • Experienced in Network testing with hands on experience in delivering integration projects. Defect Analysis -in-depth technical understanding to investigate faults
  • Ability to and experience in analysing and diagnosing main RF Issues like Dropped calls, Blocked calls, Poor coverage, Handover Failures, Interference, RACH failures etc.
  • Ability to process test data and prepare detailed reports

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