Senior Network Engineer
Job Overview
Location
Abuja, FCT, Nigeria
Employment Type
Full-time
Work Arrangement
On-site
Sector
Information Technology & Software
Experience Level
Senior (5-8 years)
Application Deadline
May 8, 2026
About the Company
Job Description
Layer3 is seeking a highly skilled Senior Network Engineer to join our dynamic team in Abuja.
In this critical role, you will be responsible for the planning, execution, and support of network services for our enterprise clients. You will manage both existing and new network infrastructure, ensuring optimal performance and reliability.
Your duties will include hands-on engineering support for a wide range of switching and routing technologies, analyzing and troubleshooting network issues, and performing detailed switching tasks. You will also contribute to the design, configuration, and maintenance of LAN, WAN, and wireless networks, ensuring stability and operational efficiency.
This position involves designing and configuring internal and external networks, supervising implementation and testing, and performing proactive corrective maintenance for IP/MPLS networks. You will also play a key role in developing automation tools and driving digital transformation initiatives using cutting-edge technologies like Cloud, SDN, and SD-WAN.
To apply for this role, click the Apply button on this page and follow the instructions.
Required Skills
Key Responsibilities
- Provide hands-on engineering-level support on switching and routing technologies including BGP, OSPF, MPLS/VPLS, spanning tree protocols (MSTP, RSTP), 802.1x, 802.11, 802.16, VPN, DMVPN, SDN, VRRP/HSRP, WAN Acceleration, QoS, VoIP, VTC, Cloud, and Automation.
- Analyze and troubleshoot network communication failures and bottlenecks.
- Review system logs to identify potential issues and troubleshoot network problems.
- Perform switching tasks such as VTP, ISL/802.1q, IPSec and GRE Tunneling, VLANs, EtherChannel, Trunking, Port Security, STP, and RSTP.
- Configure LAN/WAN/WLAN links using VSI/L2VC for MPLS L2VPN.
- Participate in on-call duties as required.
- Contribute to design, configuration, and maintenance of LAN, WAN, and wireless networks ensuring stability, integrity, and operational efficiency.
- Design and configure internal/external networks for assigned projects.
- Supervise implementation, testing, and handover of IP/MPLS services.
- Perform proactive corrective maintenance for IP/MPLS networks.
- Develop automation and tools for IP/MPLS network operations and integration.
- Plan, configure, and implement network solutions.
- Design and develop routing topology for core, access, metro, and edge infrastructures.
- Drive digital transformation initiatives using Cloud, Security, Big Data, IoT, SDN, SDS, and SD-WAN.
- Respond to RFQs and prepare technical proposals.
Qualifications
- Bachelor’s degree in Computer Engineering, Electrical/Electronics Engineering, Mechanical Engineering, Information Technology, or related field.
- 6 -10 years relevant experience troubleshooting and managing IP networks.
- Hands-on experience with Cisco, Juniper, Fortigate, and Bluecoat.
- Thorough understanding of networking technologies and protocols.
- Strong knowledge of operating systems.
- Advanced structured cabling knowledge.
- Strong interpersonal and communication skills.
How to Apply
Too Busy to Apply?
With JobMeter's Apply for Me service, we apply to up to 15 jobs/month on your behalf — sourced, matched, with a tailored CV for each application.
Join Our Communities
The Nigerian ICT sector is experiencing robust growth, driven by increasing digital adoption and infrastructure development. As a Senior Network Engineer at Layer3, you will be instrumental in shaping this landscape. Your expertise in BGP, OSPF, MPLS/VPLS, and SDN will directly impact the delivery of critical network services to enterprise clients, enhancing business ROI and operational scalability. You will leverage your skills in cloud networking and automation to drive digital transformation initiatives, ensuring the stability and efficiency of our network infrastructure.
Posted Date
April 23, 2026