ENGINEER - DATA CENTRE SUPPORT, NETWORK AT MTN NIGERIA

About Company:

MTN Nigeria - The leader in telecommunications in Nigeria, and a part of a diverse community in Africa and the Middle East, our brand is instantly recognisable. It is through our compelling brand that we are able to attract the right talents who we carefully nurture by continuously improving our employment offerings even beyond reward and recognition.

We are recruiting to fill the position below:

Job Description:

• Manages the implementation and support of MTNN IP/MPLS network
• Implements and supports Unified Communication Solutions for integrated voice, video and data across various design models including Single, Distributed, and Survivable Remote Sites, multi-vendor platforms including routing, switching, security and wireless technologies
• Drive and ensure resolution of Internet related escalated issues within SLA, Local Area Network (LAN) and Wide Area Network (WAN) operation. 
• Ensure degradations on the internet edge network are picked within SLA and troubleshoot with the respective Managed Services Vendors, Partners and internal teams for fix 
• Support and traffic engineering for Internet Cache services (FB, Google) and exchange point (IXPN), Data Centre Networks utilizing Cisco Application Centric Infrastructure (ACI), including Application Delivery Controllers

Description

• Identifying issues to prevent expensive outages or unnecessary capacity upgrades.
• Identify and resolve issues on problematic platforms or highlight recurring technical problems
• Improves customer satisfaction in reliability, availability, and cost of network service related to VoIP/IP-PBX
• Responsible for technical specification evaluations, recommendations, and network designs for the enterprise’s VoIP networks
• Network devices according to the maintenance schedule or in response to incidents
• Configure network tools to provide up-to-date operational and performance status of managed networks and devices
• Ensure that vendor best practice reports (e.g., Cisco, F5, Huawei) are implemented
• Proactively analyze network and NMS alarms to identify and resolve potential issues
• Coordinate strategies for defining, deploying, and maintaining MTNN in-house IP telephony voice communication architecture
• Maintain current and thorough knowledge of Cisco technologies, with emphasis on Unified Communications
• Provide support to Planning and Implementation teams on projects related to VoIP infrastructure and technologies
• Organize and lead scheduled testing that verifies security and failover mechanisms on MTNN operational network nodes & services
• Understanding to create Acceptance test plans and execute them with field support team
• Maintain current and thorough knowledge of Cisco technologies, with emphasis on Unified Communications

Requirements:

Education:

• First Degree in Computer Science/Engineering or Electrical or Electrical Electronics / Engineering
• Cisco Certifications
• Script writing /Training

Experience:
3-7 years’ experience which includes

• Minimum of Four (4) Years of GSM/WCDMA/4G LTE-TDD & FDD/5G Telecoms Experience
• Broad experience handling a variety of monitoring tools, executive dashboard reporting and data analysis
• Requires an in-depth understanding of IP/MPLS, Routing and Switching (R&S) over varied platform such as Nexus, IOS, IOS-XR, Nokia, Huawei Technology, Enterprise wireless – 802.11g/n/ac
• A minimum of Five (5) years of experience supporting and monitoring network systems in telecommunication company, configuring Routers, Catalyst switches, Load Balancer, Firewall, Security, Internet Connection, Datacenter
• Experience in Cisco Application Centric Infrastructure (ACI) - Configuration, Troubleshooting, Automation, Orchestration, ACI fabric, spine, and leaf, Knowledge of fabric discovery, fabric setup, and creating application profiles and end-point groups (EPGs) nodes, as well as policy-based communication across the fabric
• Good knowledge of L2VPN, L3VPN, BGP (M-BGP & I-BGP), IP Security, & Tunnelling 
• Experience in support of a multi-vendor Mobile Data Network and Enterprise environment.
• Networking Fundamentals: A strong understanding of networking concepts, including TCP/IP, routing protocols (BGP, OSPF, RIP), and switching.
• IP Routing Protocols: Expertise in configuring and troubleshooting BGP, OSPF, and RIP protocols to manage IP routing within the network.
• MPLS Fundamentals: Knowledge of MPLS concepts, including label distribution protocols (LDP, RSVP-TE), TE tunnels, and traffic engineering.
• Multicast Routing: Understanding of multicast routing protocols (IGMP, PIM) and their role in distributing data to multiple recipients.
• QoS: Knowledge of QoS mechanisms (prioritization, shaping, policing) to manage traffic flow and ensure quality of service.
• VPN Technologies: Familiarity with VPN technologies (IPsec, GRE, MPLS-VPN) to secure and isolate network traffic.
• Network Automation: Experience with network automation tools (Ansible, Puppet, Chef) to streamline network management tasks.

Salary

Application Closing Date: 15th September, 2025

Application Instructions:

CLICK ON THE LINK BELOW TO APPLY