Network Engineer Job at Layer3

Layer3 is one of the fastest growing network and security infrastructure companies in West Africa, providing award-winning services, including managed and cloud services, network security, IT infrastructure management, virtualization and mobile device management solutions. Our unique model integrates best-of-breed technologies from global leaders such as Juniper Networks, Blue Coat, Polycom, AirWatch, F5, Extreme Networks and VMware, coupled with our next-generation metro fiber networks, to offer unparalleled services and after sales support to some of the most demanding customers.

We are recruiting to fill the position below:

Job Position: Network Engineer


Job Location: Lagos, Nigeria
Department: Network Engineering
Employment Type: Full-time
Reports To: Manager, Professional Services
Grade Level: Mid level

Job Purpose

  • The Network Engineer will be responsible for planning, directing, and coordinating activities required to deliver and support network services for enterprise customers, including managing existing and new network infrastructure and system/network administration.

Duties and 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.

Qualification and Experience

  • Bachelor’s Degree in Computer Engineering, Electrical/Electronics Engineering, Mechanical Engineering, Information Technology, or related field.
  • Minimum of 6 years of 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.

Key Skills Acquired:

  • Cisco
  • Juniper
  • Fortigate
  • Bluecoat
  • BGP
  • OSPF
  • MPLS
  • VPLS
  • VPN
  • DMVPN
  • SDN
  • VRRP/HSRP
  • QoS
  • VoIP
  • VTC
  • VLANs
  • Trunking
  • EtherChannel
  • GRE/IPSec Tunnels
  • Cloud Networking
  • Automation
  • SD-WAN
  • Linux/OS knowledge
  • Structured Cabling
  • Troubleshooting