Network Operations Centre (NOC) Field Engineer at Tizeti Network Limited

Tizeti Network Limited (wifi.com.ng) is a fast growing NCC licensed internet service provider and top provider of Unlimited internet in Nigeria as well as West Africa Countries. Our services are reliable, affordable and available in various packages to suit the needs of our customers. We also provide excellent customer support to ensure that our clients have a seamless internet experience.

We are recruiting to fill the position below:

Job Title: Network Operations Centre (NOC) Field Engineer

Location: Lekki, Lagos
Employment Type: Full-time

Description

• The Network Operations Centre (NOC) Field Engineer is responsible for ensuring the availability, performance, and integrity of Tizeti’s network infrastructure and base stations.
• The role supports real-time network operations, fault resolution, preventive maintenance, and field activities to ensure compliance with Service Level Agreements (SLAs) and uninterrupted service delivery.
• The successful candidate will work closely with internal technical teams and external partners and will participate in a 24/7 on-call support rotation.

Responsibilities

• Monitor, operate, and maintain network infrastructure, including base stations, access points, routers, and core network systems, to ensure optimal performance and availability.
• Perform continuous network monitoring, incident detection, root-cause analysis, and fault resolution in accordance with defined SLAs.
• Build, deploy, install, upgrade, configure, and maintain network and base station equipment in line with engineering and operational standards.
• Carry out preventive and corrective maintenance activities to ensure network stability, security, and maximum uptime.
• Implement approved network and configuration changes in compliance with established change management procedures.
• Provide proactive network surveillance, fault management, and security monitoring to minimize service disruptions.
• Log, manage, escalate, and resolve trouble tickets through to closure within agreed timelines.
• Collaborate with Customer Support, Managed Services, and Engineering teams to resolve customer-impacting incidents and escalations.
• Interface with carriers, vendors, and third-party service providers to support network operations and issue resolution.
• Maintain accurate technical documentation, reports, and logs of network events, changes, and configurations.
• Participate in a 24/7 on-call rotation, including planned and emergency out-of-hours support.
• Ensure base stations consistently achieve and maintain a minimum 99% uptime in line with target SLAs.

Requirements
Educational Requirements:

• Bachelor’s Degree or HND in Engineering, Computer Science, Information Technology, or a related discipline.
• Minimum of Second Class Upper (2:1), or Upper Credit (HND).
• Cisco Certified Network Associate (CCNA)is an added Advantage
• Cisco Certified Network Professional (CCNP)is an added Advantage
• Other relevant networking or telecommunications certifications

Knowledge & Competencies:

• Practical experience in network operations, NOC support, or field engineering within a telecom or ISP environment.
• Strong understanding of IP networking, routing, switching, and wireless technologies.
• Proven troubleshooting, analytical, and problem-solving skills.
• Ability to communicate technical information effectively to non-technical stakeholders.
• Strong documentation and reporting capabilities.
• Willingness to work shifts and participate in a 24/7 on-call support rotation.
• Carry out preventive maintenance to ensure uptime is maintained and perform corrective maintenance in the event of network downtime.
• Perform network equipment upgrade, installation, andconfiguration.
• Provide active network surveillance, maintenance, and fault management to ensure optimum uptime, network stability, and security.
• Ensure that the base stations have 99% uptime by Target SLAS
• Ensure stable and reliable network services (e.g, accesspoints,servicenetworks, andcorenetwork)
• Day-to-day network performance monitoring.
• Network trouble shooting and faultanalysis; hardware trouble shooting andrepair
• Resolution of trouble and fault analysis; carrier interface and escalation.
• Deployment and maintenance of network monitoring, analysis, and reporting tools.
• Application of configuration changes via our change control systems and processes.
• Installation of network hardware and software.

Salary
N150,000 - N180,000 / month.

Application Closing Date
20th March, 2026.