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# RAN Specialist

- **Company:** LA International
- **Location:** London, UK (Remote available)
- **Salary:** £119,600.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), 4G (Telecommunication), LTE (Telecommunication), Datagram Transport Layer Security, Network Planning and Design
- **Published:** October 3, 2026
- **Apply:** https://www.securityclearedjobs.com/job/802084815/ran-specialist-/

## About the Role

* Expert knowledge of UE logs analysis
 * Expert understanding of Acuver UE logging tools.
 * In depth knowledge of Mobile networks particularly 4G & Public Safety functionality over LTE/5G+ with particularly deep understanding design and operation.
 * In depth knowledge of LTE & SIP signalling, PTT (push to talk), SRTP/DTLS troubleshooting & Optimisation.
 * Excellent understanding of Nokia and Ericsson RAN products.
 * Good understanding of 3GPP & ETSI specifications.
 * Good understding of DTLS/SRTP protols.

 * Story-telling with data:
 * strong skills in building the case for change, drawing on data and analytical techniques where appropriate, and communicating this to technical & business audiences.
 * Ability to convert highly technical concepts into simple to understand language.

 * Forward thinking:
 * proactive approach to network design, ability to see beyond the current network and forsee what will be required to deliver networks of the future.
 * Maintain high level of domain expertise, keeping abreast of the developments within the telecoms market, to ensure continued delivery to time, cost and quality in the face of both internal and external change

MANDATORY:

 * Extensive experience in mobile telecommunications industry in the role of a performance SME with business-critical, high-availability / high-throughput systems and networks.
 * Able to provide technical solutions, processes definition for network performance & optimisation of 4G based RAN Macro network.
 * Proven experience in defining and understanding KPI definitions, formula and measurements of radio networks
 * Able to analyse in depth, drive test logs, wireshark traces and protocol analysers traces for 4G networks
 * Good Knowledge of LTE parameters & timers.
 * Familiarity with test software & devices (Nemo/TEMs/Accuver) & post processing tools (Actix).
 * Experience of working with 3rd parties network/IT Suppliers.
 * Experience of Nokia RAN.



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