The Role
Operates, maintains, troubleshoots, and optimizes Core IP network infrastructure across enterprise, ISP, carrier, and data center environments. Responsibilities include Level 2/3 incident resolution, network design and implementation, upgrades, migrations, security, performance monitoring, documentation, and vendor coordination. The role supports LAN/WAN, routing, switching, firewalls, optical and wireless networks, data center infrastructure, and last-mile connectivity. It also requires after-hours support and monitoring of data center electrical, cooling, and rack connectivity systems.
Summary Generated by Built In
Job Summary:
This role is responsible for supporting the operation, implementation, optimization, and maintenance of the Core IP network infrastructure, ensuring high availability, security, and performance. The successful candidate will participate in network operations, project implementations, troubleshooting, and continuous improvement while supporting the growth of the Core IP network.
Key Duties & Responsibilities
- Participate in the operation and maintenance of the Core IP infrastructure, including wired, wireless, optical, and Datacenter network infrastructure. Support network design and implementation for enterprise and client networks
- Maintain high availability and security of the Core IP network to ensure operation within defined performance thresholds.
- Perform Level 2/Level 3 troubleshooting and support incident resolution within agreed SLAs.
- Collaborate with vendors and internal stakeholders during network upgrades, expansions, migrations, and change implementation activities.
- Maintain accurate documentation of network configurations, topology, and implemented changes. Perform any other duties assigned by management as required for the role
- Monitoring of Data Centre components to ensure maximums are adhered to (electrical systems, cooling and rack connectivity)
Requirements
Experience, Education and/or Professional Qualifications
- Bachelor’s degree in electrical/Electronics/Telecommunications/Network/Computer Engineering (or equivalent)
- IP Certification, preferably from Cisco on CCNA level equivalent or above.
- A minimum of 3 or 4 years of experience in Core Network
- Experience working within any of ISPs, Carriers, or Datacenter environments
- Strong written and oral communications skills in English
Essential Skills / knowledge / Traits
- Hands-on experience in the design and operation of LAN/WAN technology including TCP/IP (routers, configuration and setup), Security (firewalls – Cisco, Juniper, Barracuda), Network management (switches, hubs, fiber-optic, cabling, packet sniffing)
- Strong knowledge in Router, Catalyst, Load Balancer, Firewall, Security, Internet Connection, EIGRP, OSPF, BGP4, VPN, Frame Relay, TCP/IP, LAN/ WAN, VLAN, Spanning Tree, Ethereal
- Knowledge in Unix/ Linux, Shell script
- Experience with last mile access solutions for different environments (DSL, microwave radio, PTP and PTMP radio, fibre etc.)
- Strong written and oral communications skills in English
- Willing to perform work or provide support outside office hours
- Highly motivated and resourceful
- Must be a team player and be able to prioritise different requests and requirements.
- Hand-on design and operation of network like BGP and MPLS
Desirable Skills / knowledge / Traits
- Previous experience working within an ISP, Carrier provider, Data Center is a plus
- Experience in liaising with Regional IP Registry (APNIC, RIPE, AfriNIC etc)
- Project management knowledge is a plus (not compulsory but desirable)
- Knowledge of IDS, QoS, Video/ Streaming Protocols structured cabling and VoIP
Benefits
- Healthcare Insurance (HMO)
- Paid Leave
- Group Life Insurance
- Hybrid work model
- Professional Development Reimbursement
Skills Required
- Bachelor’s degree in electrical, electronics, telecommunications, network, or computer engineering, or equivalent
- IP certification, preferably Cisco CCNA level or above
- 3 to 4 years of experience in core networking
- Experience in an ISP, carrier, or data center environment
- Strong written and oral English communication skills
- Hands-on LAN/WAN design and operations experience
- Knowledge of routing, switching, firewalls, VPNs, TCP/IP, BGP, OSPF, EIGRP, MPLS, and network security
- Knowledge of Unix/Linux and shell scripting
- Experience with last-mile access technologies including DSL, microwave radio, point-to-point, point-to-multipoint, and fiber
- Availability to work or provide support outside office hours
- Experience designing and operating BGP and MPLS networks
- Experience liaising with regional IP registries such as APNIC, RIPE, or AfriNIC
- Project management knowledge
- Knowledge of IDS, QoS, video/streaming protocols, structured cabling, and VoIP
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The Company
What We Do
Netcom Africa is a Nigeria-based managed services provider that helps businesses modernize and run their technology. Since starting as an internet service provider in 2004, it has expanded into connectivity and managed IT, including cloud, ERP, productivity applications, cybersecurity, IT support and consultancy, communications, data-center and infrastructure services. Its stated mission is to deliver customer-focused technology solutions that improve productivity and support organizations’ digital transformation.
