At a Glance
- Tasks: Analyse and optimise 4G/5G networks for improved performance and customer experience.
- Company: Global telecoms provider leading the way in emergency services technology.
- Benefits: Competitive salary, flexible working options, and opportunities for professional growth.
- Other info: Collaborative environment with a focus on innovation and career advancement.
- Why this job: Join a cutting-edge project that enhances public safety through advanced network solutions.
- Qualifications: Strong knowledge of RAN, 5G technologies, and network performance analysis.
The predicted salary is between 51750 - 63250 £ per year.
My client, a global telecoms provider is currently looking for a number of Network Engineers with strong RAN knowledge to work on their ESN (Emergency Services Network) project.
The key accountabilities within the 4G/5G ESN Performance & Optimisation domain are:
- Validate 5G and 5+ design via UE logs analysis and E2E tracing.
- Develop action plan for performance uplift via parameter or feature optimisation.
- Root cause of performance degradation from OSS trends, UE logs, crowd source data or other data sources.
- Conduct feature and/or parameter optimisation trials for 4G/5G/5G+ RAN vendors (Nokia and Ericsson) and assess outcomes, quantify gains and impacts to wider network services.
- 5G Interworking with 4G, 5G SA, NSA.
- Own and drive improvement in all factors impacting Performance & reporting with the goal of providing optimal Customer Experience.
- Exceptional understanding of network performance trends with a view of rebase lining KPIs.
- Identifying the root cause and define measures to improve underperforming KPIs.
- Analysing drive test logs and Network protocol traces for underperformance & defects in ESN PTT over SRTP.
- Investigate detected and reported Systematic issues within this element of the ESN Service.
- Performance root cause analysis using multiple sources of data primarily from: UE Application events/L1/L2/L3 information, Drive Test UE logs/Wireshark covering OSI L1-L7.
- Stakeholder management - work with key SMEs to understand the root cause.
Technical Expertise:
- Expert knowledge of UE logs analysis.
- Expert level hands-on experience in 5G and 5G+ investigations, parameter optimisations and E2E Investigations.
- Expert understanding of E2E 4G, 5G, VoNR, SA, NSA, Slicing architectures and design.
- Expert understanding of Nokia and Ericsson vendor.
- Expert in Wireshark, TEMS, Accuver, Nokia and Ericsson eNB/gNB logging systems, tracing, and analysis.
- In depth knowledge of Mobile networks particularly 4G/5G & Public Safety functionality over LTE/5G+ with particularly deep understanding of network design, performance, and optimisation.
- In depth knowledge of 5G, 5G+, LTE & SIP signalling, PTT (push to talk), SRTP/DTLS troubleshooting & Optimisation.
- Good understanding of 3GPP & ETSI specifications.
- Good understanding of DTLS/SRTP protocol.
PREFERRED:
- Knowledge of multiple vendor products including Nokia and Ericsson.
- Knowledge of industry best practice methodologies for analysing, defining and documenting the link between input business requirements and output technical solutions.
- Understanding of project management techniques and tools.
- Experience of managing relationships with suppliers and third parties, of product/feature selection and of delivering those products into a production environment.
- Experience of working with LTE/5G Commercial network based Public Safety solutions.
Engineer - Testing in London employer: Flint UK Technology Services
As a leading global telecoms provider, we pride ourselves on fostering a dynamic work environment that encourages innovation and collaboration. Our commitment to employee growth is evident through continuous training opportunities and the chance to work on cutting-edge projects like the Emergency Services Network. Located in a vibrant area, our culture promotes a healthy work-life balance, making us an excellent employer for those seeking meaningful and rewarding careers in the telecommunications industry.
Contact Details:
Flint UK Technology Services Recruitment Team
