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Network Operations Engineer at Layer3

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Onsite

Network Operations Engineer at Layer3

Layer3

Network Operations Engineer at Layer3

Skills

LinuxCustomer Support

3 years ago

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Important information


Contract type:

Permanent

Location:

Nigeria

Work mode:

Onsite

Published on:

7 August 2026

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  • Company:
  • Location: Nigeria
  • State:
  • Job type: Full-Time
  • Job category:

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 Title: Network Operations Engineer Location: Abuja

Job Summary

  • The Network Operations Engineer is a position of relevant technical experience responsible for providing the technical expertise necessary to install/activate, manage, upgrade, and validate Layer3’s complex IP network and to ensure optimal services to customers.

Responsibilities The Network Operations Engineer is accountable for:

  • Provisioning, Managing and Troubleshooting: TCP/IP Networking, Routing and Switching, MPLS Layer 2 (VLAN) and Layer 3 Networking
  • Working with outsourced field technicians remotely to activate and troubleshoot customer premise equipment including: Routers, Switches, SD-WAN appliances, Firewalls, Paging Equipment, and other customer premise equipment as required
  • Repairing necessary moves, adds, changes, and deletions that have been escalated as they could not be handled by Customer Support staff
  • Verifying that basic troubleshooting steps were followed, according to documented processes, before escalation
  • Assisting Customer Support staff in handling escalations and ensuring that they retain ownership and remain involved until the problem is fully resolved
  • Providing support and education to Customer Support staff following to facilitate direct resolution without escalation for future events
  • Helping provide ongoing training for Customer Support staff to ensure that proper troubleshooting steps are followed prior to escalation
  • Updating diagrams and documentation following changes made as a result of a repair or moves, adds, changes, and deletions and all documentation remains current and accurate
  • Relaying escalations to other members of the engineering team following process
  • Taking ownership of the customer issues to ensure satisfactory resolution of the problem
  • Ensuring that changes requested by the customer during implementation are given to sales and addendums signed before any services are changed.
  • Supporting the activation of products and services in cooperation with Implementation Managers when services are “turned up”.
  • Implementing change requests for customers including working with the following technologies: TCP/IP Networking, Routing and Switching, MPLS, Layer 2 (VLAN) and Layer 3 Networking, IPS, Single Sign-On, 802.1x, VPN.
  • Administering, supporting, and maintaining infrastructure components and document procedures to guide resolution process.
  • Researching technology related products and makes recommendations based on business or operational requirements
  • Working with third party service providers to resolve operational issues

Education And Experience

  • Associates Degree in Computer Science, MIS, Engineering, Networking, (or related major) with a minimum of 4 years experience in Telecommunications, Engineering, or a similar industry – required
  • Minimum of JNCIP or CCNP certification a must…JNCIE or CCIE will be an added advantage
  • Advanced understanding of networking concepts such as TCP/IP, VOIP, QOS, SIP, RTP, BGP and OSPF – required
  • Understanding of IP routing and switching – required
  • Understanding of IPv4, IPv6, & QOS – required
  • Knowledge of IP Telephony and Telecom Technology – required
  • Understanding of Network Security design, concept and product knowledge including firewall, IPS, Single Sign-On, VPN, IPSEC, as well as other network security risks and compensating controls – preferred
  • Experience with Firewall administration – preferred
  • Knowledge of configuring the following equipment: Juniper, Pulse Secure, Cisco – preferred
  • Experience with MPLS/VPN technologies – preferred
  • Experience in server based technology, such as Microsoft and Linux – preferred
  • Working knowledge and troubleshooting experience with firewalls – preferred
  • Understanding of transport layer including Fiber, and Ethernet delivery methods – preferred.

Application Closing Date Not Specified.

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