Job Opportunity: Engineer – Core Network Operations

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Accountable for meeting and prioritizing assigned tasks, targets / deadlines
Responsible for self-learning and development with guidance from the Manager
Ensure cohesive working with the other team members
Provide information to the Manager on work accomplishments, individual / team challenges
Review performance metric dashboards prepared on various performance metrics and provide input to the manager
Provide support to Planning, Business and Regional Network activities

Operational Delivery – Task Complexity -; It contains the descriptions and overriding objectives of the job

Participate in core network (Circuit Switch, Packet Switch) area trouble shooting, remote / on-site support and emergency recovery activities.
Be involved in the System / Function Verification, trial project and support activities.
Provide technical support in core network (Circuit Switch, Packet Switch) area towards Marketing Unit, Customer service, and other departments.
Perform new product lab test, customer environment qualification and integration
Ensure effective maintenance of PS and CS network elements and implementation of network requirements and specifications to support business strategic services and products
Liaise with Sales Engineers and other technical staff to troubleshoot global network problems.
Perform full system tests daily as required by circumstances.
Develop and maintain a knowledge base for core network technologies.
Prepare and provide consulting support to project team as the need arises.
Follow up installations and preventive maintenance on Ericsson nodes (MSC, MSS, MSC-S Blades, SGSN-MME, GGSN/EPG, BSC, RNC, MGW, SBG HLR-FE, HSS-FE, EIR-FE, CUDB, IMS, vSBG, IPWORKS) and Huawei nodes (BSC, RNC, CloudMSE, CloudPCRF, SBC, etc.)
Oversee software upgrades in Core nodes (PNF&VNF&CNF)
Manage and coordinate roaming configurations and routine tests
Coordinate Disaster Recovery testing and reporting
Prepare reports daily, weekly, and monthly for Management and relevant Group functions
Act as liaison between Network Managed Service (MS) vendor and IT team and/or IT MS vendor.
Specific Job Requirements:

Education / Business Degree

B.Sc. in Electrical/ Electronic or Telecommunications Engineering.
MSC in Telecoms or equivalent would be an advantage.
Work Experience

At least 4 years work experience in a medium to large telecoms company
Experience in troubleshooting TCP/IP with protocol analyzers, Wireshark, legacy Core network operations, roaming cloud-based systems, etc.
Experience on Ericsson and Huawei core equipment portfolio will be desirable.
Training

GSM/WCDMA MSC/MSC-S R13.2 Configuration (ERICSSON)
Ericsson Centralized User Database (CUDB) 13B Operation and Service Configuration
Huawei Mobile Core Network Fundamental & UPCC Operation and Maintenance Training
GSM System Survey and GPRS System Survey
Industry / Certifications

ISO 9001: 2015 Quality Management System-Requirements / ITIL V3 frameworks
Any other relevant
Any other specifications

Fluency in English and French
Telecommunications industry experience
Global mindset to service worldwide operations
Knowledge

Understanding of 3GPP, ITU-T and ANSI standards.
Circuit and Packet switched communications protocols such as SS7 (including SCCP, TCAP, MAP and CAMEL phases 1 to 4), SCTP (SIGTRAN), Diameter, including ability to design and configure voice, data and messaging flows.
Voice SIP / RTP, ISUP and voice convergence technologies, including IMS (including VoLTE and VoWiFi).
Online Charging System (OCS) and CAMEL in billing and call control.
Core Network virtualization and cloudification
Skills

Basic understanding of telecom network key technology is preferred
Familiar to 3GPP, ITU-T Standard and Core network and flow is preferred.
Voice SIP / RTP, ISUP and voice convergence technologies, including IMS (including VoLTE and VoWiFi).
Hands on with sniffers, Wireshark and testing tools advanced mode.
Experience with mobile networks(2G/3G/4G/5G), international signaling, and international interconnects a strong plus.
Extensive experience with complex signaling interop within next generation intelligent networks.
Problem Solver
Quality and efficiency minded, analytical thinking.
Quick learner, willing to take challenge, thriving in fast paced, high-pressure environment.
Strong writing and documentation skills are needed to develop reports.
Flexible, showing initiative, perseverance and have good communication & co-operation skills, strong team player.
Pro-active, customer-oriented with good customer communications.
Adaptability and responding to change.
Results Achiever
Operationally Astute
Be able to work under pressure.
Creativity, flexibility and adaptability
Relationship skills
Team working, inter-personal skills
Self-motivated and Decisive
Behavioral Qualities

Decisive Problem Solver
Detail-oriented
Highly organized
Proactive & creative
Manages time
Open-minded
Open and trustworthy
High orientation towards customer needs
Excellent Listening and communication skills
Self-motivated and Perseverant
Ability to go extra miles in crisis situations
Strong sense of professionalism and integrity
Critical demonstration of MTN vital behaviors

All applications must be submitted ONLINE at: https://ehle.fa.em2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX/requisitions/preview/1506/?location=Cameroon&locationId=300000000273784&locationLevel=country

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