Core Network Expert Job in Cameroon: 9 Powerful Skills & Requirements

Job Description

Core Network Expert Job in Cameroon

A major telecommunications opportunity is available in Littoral, Cameroon for an experienced Core Network Expert. The position focuses on Core Network modernization, new service deployment, network optimization, troubleshooting, and technical knowledge transfer.

This is an on-site, full-time position designed for a senior telecommunications professional with strong experience across 2G, 3G, 4G, 5G Core, IMS, VoLTE/VoNR, signaling, roaming, and network transformation.

Core Network Expert Job Details

• Job Title: Core Network Expert – Core Modernization & New Services
• Location: Littoral, Cameroon
• Work Type: Full-time
• Work Mode: On-site
• Seniority: Senior technical level
• Experience: 10+ years in telecommunications Core Network
• Application Method: LinkedIn Easy Apply
• Employer/Recruiter: Beijing Foreign Enterprise Management Consultants Co.,Ltd.
• Salary: Not disclosed

About the Core Network Expert Role

The Core Network Expert will provide senior technical leadership and hands-on expertise in mobile Core Network technologies.

The successful candidate will support Core Network modernization, transformation, optimization, capacity expansion, and new service introduction.

The role covers technologies such as IMS, VoLTE, VoNR, 5G Core, EPC, virtualization, cloud-native networks, roaming, interworking, and IP-based services.

A major part of the position will involve transferring technical knowledge to the local Core team and helping develop greater internal technical capability.

Key Responsibilities

1. Core Network Modernization

The expert will:

• Develop and execute migration strategies from legacy Core platforms.
• Support virtualized, cloud-native, and 5G-ready Core architecture.
• Assess network architecture and identify technology gaps.
• Support capacity expansion, upgrades, redundancy, and resilience.
• Ensure interoperability across multi-vendor network environments.

2. Core Network Technical Expertise

The position requires expertise across several Core technologies, including:

• MSC/MGW and CS Core
• SGSN/GGSN and PS Core
• MME/SGW/PGW/EPC
• HSS/HLR/AuC
• PCRF/PCF
• DRA and signaling platforms
• IMS
• 5G Core
• DPI and OCS integration
• VoLTE and VoNR
• SIP-based services

The expert will also troubleshoot complex signaling, mobility, charging, session, and service issues.

3. IMS, VoLTE & VoNR

Responsibilities include:

• Supporting IMS deployment and integration.
• Supporting VoLTE and VoNR services.
• Troubleshooting SIP registration and call setup.
• Analyzing RTP/media and interworking issues.
• Supporting migration from legacy CS voice to IMS-based services.

4. 5G Core & New Services

The expert will support:

• 5G SA/NSA evolution.
• 5G Core deployment and integration.
• Network slicing.
• QoS and policy control.
• Subscriber management.
• 4G/5G interworking.
• Introduction of new digital services.

5. Project Execution

The Core Network Expert will act as a technical lead on major modernization projects.

Duties include reviewing HLD/LLD documents, migration procedures, implementation plans, rollback plans, testing, acceptance, integration, and production cutover activities.

6. Network Optimization & Troubleshooting

The expert will investigate network KPIs and customer-impacting incidents, including:

• Attach success rate
• PDP/PDN session establishment
• Bearer establishment
• CSSR/DCR
• Paging performance
• Signaling congestion
• Diameter/GTP failures
• IMS registration
• Call setup
• Data-session failures
• Roaming issues

The role also involves root-cause analysis and implementation of permanent corrective actions.

7. Roaming & Interworking

Responsibilities include supporting inbound and outbound roaming, analyzing SS7, Diameter, GTP and IMS signaling, and resolving inter-PLMN connectivity and charging issues.

8. Knowledge Transfer

Knowledge transfer is a major responsibility.

The expert will:

• Mentor local Core engineers.
• Conduct technical workshops.
• Develop troubleshooting guides.
• Perform joint troubleshooting.
• Create knowledge repositories and SOPs.
• Coach engineers in IMS, EPC, 5GC and signaling.
• Conduct competency assessments.
• Develop an expertise-transfer and localization plan.

Requirements

Candidates should have:

• 10+ years of telecommunications Core Network experience.
• Experience in a Tier-1 mobile operator environment is preferred.
• Strong hands-on experience with telecom Core Network platforms.
• Experience with Core deployment, configuration, troubleshooting, optimization, and migration.
• Experience in several of the following areas:
  • 2G/3G CS Core
  • 3G/4G PS Core
  • EPC
  • IMS/VoLTE
  • 5G Core
  • Roaming
  • Diameter/SS7
  • Charging/OCS
  • DPI
  • IP/MPLS networking
• Experience with large-scale Core modernization projects.
• Experience coordinating multi-vendor technical implementations.
• Experience with production migrations and high-risk cutovers.

Technical Skills

Mandatory

• 2G/3G/4G/5G Core architecture
• EPC and 5G Core
• IMS and VoLTE
• Signaling and protocol troubleshooting
• Core migration and modernization
• IP networking
• Virtualization
• Technical project execution

Preferred

• Kubernetes and containerized network functions
• NFV/SDN
• Cloud-native telecom architecture
• 5G SA
• Network slicing
• VoNR
• OpenStack/Kubernetes telco cloud
• Python/API-based automation
• Multi-vendor telecom environments

Education & Certifications

Candidates should have a:

• Bachelor’s or Master’s degree in Telecommunications, Electronics, Computer Engineering, or a related field.

Relevant certifications in Core Network technologies, 5G, IMS, IP networking, virtualization, cloud, or telecom architecture are advantageous.

Candidate Profile

This opportunity is suited to a senior telecommunications professional with extensive practical Core Network experience.

Candidates should be capable of combining hands-on engineering with technical leadership, project execution, troubleshooting, modernization, and team mentoring.

Strong experience with mobile Core technologies and large-scale network transformation will be particularly relevant.

Key Performance Areas

The role will focus on:

• Core modernization project execution.
• Successful Core transformation activities.
• IMS, VoLTE/VoNR and 5G service introduction.
• Reduction of recurring Core incidents.
• Network stability and KPI improvement.
• Controlled migration and cutover.
• Quality technical documentation and RCA.
• Technical knowledge-transfer sessions.
• Development of local engineering capabilities.

How to Apply

Interested candidates should apply through the LinkedIn Easy Apply option attached to the original vacancy.

Applicants should submit an updated CV highlighting relevant Core Network experience, particularly in EPC, 5G Core, IMS, VoLTE/VoNR, signaling, roaming, network migration, and multi-vendor telecom environments.

Note: No application email address or separate application portal was provided in the vacancy reviewed. Only shortlisted candidates whose profiles closely match the requirements will be contacted.

Frequently Asked Questions

Is this Core Network Expert job in Cameroon?

Yes. The vacancy specifies Littoral, Cameroon as the location.

Is the position remote?

No. It is listed as on-site.

How much experience is required?

The vacancy requests 10+ years of telecommunications Core Network experience.

What technologies are important for this position?

Key technologies include EPC, 5G Core, IMS, VoLTE, VoNR, SS7, Diameter, GTP, SIP, IP networking, virtualization, and cloud-native telecom technologies.

Is a university degree required?

Yes. A Bachelor’s or Master’s degree in Telecommunications, Electronics, Computer Engineering, or an equivalent field is requested.

Is the salary published?

No salary information is provided in the vacancy.

How can candidates apply?

The LinkedIn vacancy provides an Easy Apply application option.

Conclusion

The Core Network Expert position offers a technically demanding opportunity for a senior telecommunications professional with substantial mobile Core Network experience. The role combines network modernization, 5G and IMS technologies, troubleshooting, project execution, roaming, and technical capability development.

Candidates should carefully align their CVs with the technical requirements before applying.