Senior Network Engineer
First seen by Alion on Nov 5, 2026.
Who we are
Layer3 is a fun and innovative place to work – a leading ICT company in Nigeria. Recently listed by The London Stock Exchange Group’s ‘Companies to Inspire Africa 2019’ report and in 2018, was listed by Jobberman as one of the Top ICT companies to work for in Nigeria.
We have a superb work culture with strong values. We are passionate about building a generation of future leaders and a team of professionals that are changing the world.
Job Summary
Senior Network Engineer will also be responsible for planning, directing and coordinating activities required to fulfil and support network services to enterprise customers. These include the management of existing and development of new network infrastructure systems, as well as managing system and network administration.
Location: Abuja
Job Responsibilities
Extensive hands-on engineering level support on switching and routing technologies such as BGP, OSPF, MPLS/VPLS, spanning tree protocols e.g.; MSTP, RSTP, 802.1x, 802.11, 802.16, VPN, DMVPN, SDN, VRRP/HSRP, WAN Acceleration, QoS, VoIP, VTC, cloud, Automation and similar network technologies.
Ability to analyze and troubleshoot network communications failures and bottlenecks.
Ability to analyze system logs, identifying potential issues and troubleshooting any reported network problems
Switching tasks include VTP, ISL/ 802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
Configuration of LAN/WAN/WLAN links using VSI/ L2VC, for MPLS L2VPN will be required to be available for on-call duties on a need basis.
Understands and assist in technical strategies in the design, configuration and maintenance of LAN, WAN and wireless networks to ensure the stability, integrity and operational effectiveness and efficiency of network services.
Participates in the design and configuration of internal and/or external networks as required for assigned projects.
Supervise IP/MPLS services’ implementation covering the installations, testing & handover.
Proactively perform corrective maintenance for IP/MPLS network.
Develop automation and other internal systems and tools to assist in the care and feeding of the IP/MPLS network and integration activities.
Responsible for network planning, configuration, and implementation.
Design and develop routing topology for Core /Access/Metro/Edge network infrastructures and for converged data & communications services and their successful integration.
Drive Digital Transformation Agenda using Cloud, Security, Big-Data, IOT, SDN, SDS, SDWAN, and SDWAN
Responding to RFQ & preparing proposals.
Qualifications
Bachelor's degree in Computer Engineering, Electrical/Electronics Engineering, Mechanical Engineering, Information Technology or related field or its equivalent.
Minimum of 6 years relevant experience in troubleshooting and managing IP networks.
Hands on experience in Cisco, Juniper, Fortigate, Bluecoat is required.
A thorough understanding of network technology and protocols.
Operating systems knowledge.
Advanced knowledge in cabling structured network.
Possess high level interpersonal communication skills.
Come join our team at Layer3
We are seeking for new team members who are motivated by our objective and share our values. Goal getters with strong work ethics, self-motivated, excellence mindset, fit in well at Layer3.For more information, website www.layer3.ng.
Interview Process
Our interview process at Layer3 is a multi-stage process. This process is designed to for us to know you better and how well you fit into the Layer3 culture. We are eager to meet you.
Qualified candidates should forward their applications to [email protected].
Note: Only qualified candidates would be contacted.