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IP Network Engineer (Layer3)

Layer3
Lagos, Nigeria Posted Sep 28, 2026
Full-time

About this role

Section: About the Role Layer3 is seeking an IP Network Engineer to plan, implement, manage, and support enterprise network infrastructure and services. The role involves network administration, troubleshooting, IP/MPLS implementation, and the design of scalable network solutions for enterprise customers.

Section: Key Responsibilities

  • Provide engineering-level support for switching and routing technologies including BGP, OSPF, MPLS/VPLS, VPN, DMVPN, SDN, QoS, VoIP, cloud, automation, and related technologies.
  • Analyze and troubleshoot network failures, bottlenecks, and system logs.
  • Configure switching technologies including VLANs, trunking, EtherChannel, STP/RSTP, IPSec, GRE tunneling, and port security.
  • Configure LAN/WAN/WLAN links using VSI/L2VC for MPLS L2VPN.
  • Assist in the design, configuration, and maintenance of LAN, WAN, and wireless networks.
  • Participate in internal and external network design and implementation projects.
  • Supervise IP/MPLS service implementation, testing, and handover.
  • Perform corrective maintenance on IP/MPLS networks.
  • Develop automation tools and systems to support network operations.
  • Plan, configure, and implement network infrastructure.
  • Design routing topologies for Core, Access, Metro, and Edge networks.
  • Support digital transformation initiatives involving Cloud, Security, Big Data, IoT, SDN, SDS, and SD-WAN.
  • Respond to RFQs and prepare technical proposals.

Section: Requirements

  • Bachelor's Degree in Computer Engineering, Electrical/Electronics Engineering, Mechanical Engineering, Information Technology, or a related field.
  • 3–5 years of experience troubleshooting and managing IP networks.
  • CCNA or JNCIA certification.
  • Hands-on experience with Cisco, Juniper, Fortigate, and Bluecoat technologies.
  • Strong understanding of network technologies and protocols.
  • Knowledge of operating systems and structured network cabling.
  • Strong interpersonal and communication skills.

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