RAN Specialist

LA International Computer Consultants Ltd; Greater London; Hybrid; GBP 101,000 - 129,000; Full time

Job summary

LA International Computer Consultants Ltd. seeks a senior performance SME for Mobile RAN to shape high-availability networks. You will analyse logs, drive test data and optimise 4G/5G+ LTE features with Nokia/Ericsson RAN expertise.

The role is London or Bristol with three days onsite and two days WFH, for a six-month contract inside IR35. Strong communication to both technical and business audiences is essential.

Qualifications

• Extensive experience in mobile telecommunications with high-availability systems.
• Ability to define KPI formulas and measurements for radio networks.
• Experience analysing logs, traces and protocol analysers for 4G networks.

Responsibilities

• Analyse drive test logs and protocol traces for 4G networks.
• Define network performance and optimisation for 4G RAN.
• Translate complex technical concepts into clear stakeholder language.

Skills

UE logs analysis

Accuver UE logging tools

Mobile networks 4G LTE

Mobile networks 5G

LTE SIP signalling

PTT

SRTP/DTLS troubleshooting

Nokia RAN

Ericsson RAN

3GPP & ETSI specs

DTLS/SRTP protocols

Nemo/TEMs/Accuver

Post processing tools (Actix)

Drive test/log analysis

Tools

Nemo

TEMs

Accuver

Actix

Wireshark

Job description

This role has a significant impact on shaping the Mobile RAN

Rate: £ inside IR35

Location: London or Bristol 3 days onsite 2 wfh

Duration: 6 months

Technical Expertise:

• 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.

LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance.

A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.