Senior Engineer, Data Carrier Operations at 9mobile Nigeria

9mobile is a Nigerian private limited liability company. EMTS acquired a Unified Access Service License from the Nigerian Communications Commission in 2007. The License enables EMTS provide Fixed Telephony (wired or wireless), Digital Mobile Services, International Gateway Services and National/Regional Long Distance Services in addition to spectrum assignments in the 900 and 1800 MHz bands.

We are recruiting to fill the position below:

Job Title: Senior Engineer, Data Carrier Operations

Location: Abuja

Job Summary

• Perform PS-CORE end to end troubleshooting, conduct Packet core health checks, and carry out end to end KPI analysis and Performance optimization
• Ensure the implementation, maintenance and operations of Packet switch nodes and effectively monitor all data related links.

Principal Functions

• Ensure prompt integration of SGSN/GGSN/MME/PGW/SGW nodes across the network and ensure effective operations and its maintenance.
• Ensure prompt integration of data roaming and resolution of related challenges.
• Analyze, prepare, implement and verify the configuration and integration of nodes, network and/or system within data service.
• Co-ordinate the integration of new BSC, RNC and eNode B to the packet nodes.
• Ensure implementation of various caching solutions and resolution of challenges.
• Follow up on data network activities on daily basics and ensure fault free network.
• Perform impact analysis of software upgrade and provide recommendation
• Co-ordinate routine maintenance of PS Datacom switches, firewall and routers in line with standard policies and procedures.
• Troubleshooting/Faultfinding/RCA in configuration/hardware/software.
• Deployment and Integration of new routers, switches and firewall on the network across various OEM (Huawei and Cisco) product lines on the core network.
• Ensure effective analyses of the Packet performance reports and proactively resolve any challenges
• Ensure integrity of public IP address against vulnerabilities.
• Integration and troubleshooting of VPN deployed on the network
• Perform PS Core Audit activity and resolution on identified loopholes
• Ensure that the PS Core nodes availability targets are achieved
• Perform any other duties as assigned by the Manager, Carrier and Data Services.

Educational Requirements

• First Degree in Electrical / Electronics Engineering or Computer Engineering.
• 5 years of experience in telecommunication sector.
• Good knowledge and experience with Linux and IP Networking, especially Transport, Internet and Application Layer (IPv4, IPsec, TCP, UDP, QUIC, HTTP/s, DNS, RTSP, SSH)protocols
• Excellent working knowledge of EPC/IMS/LTE architecture, interfaces and procedures, with understanding of key LTE associated technologies and functionality including IMS, VoLTE, SRVCC and CSFB
• IP Knowledge with minimum certification as CCNA (will be an added advantage)
• Good working knowledge of 3GPP, IETF and GSMA standards and architectures
• Knowledge and basic experience in cloud infrastructure and network function virtualization.

Knowledge:

• GPRS (SGSN/GGSN)operational experience with focus on troubleshooting
• Fault analysis& Performance reporting/analysis.

Skills:

• Personal Effectiveness
• Problem Solving
• Teaming.

Behaviour:

• Passion for Excellence
• Integrity
• Empowering people
• Growing people
• Teamwork
• Customer Focus.

Application Closing Date
Not Specified.