Network Engineer (IT Infrastructure) at Airtel Nigeria

Airtel Nigeria (Airtel Networks Limited) is a leading telecommunications services provider in Nigeria headquartered in Lagos, the commercial nerve-centre of Nigeria. The telco ranks amongst the top four mobile service providers in terms of subscribers with a customer base of more than 39.8 million. The company's product offerings include 2G, 3G and 4G wireless services, mobile commerce and enterprise services.

We are recruiting to fill the position below:

Job Title: Network Engineer (IT Infrastructure)

Job Identification: 594
Location: Lagos
Job Schedule: Full time

Responsibilities
Network Availability & Performance:

• Ensure continuous availability of LAN/WAN, VPNs, and Internet edge connectivity.
• Monitor network performance using SolarWinds, Cloud Vision, or equivalent enterprise tools.
• Conduct proactive health checks and respond to alerts.
• Participate in DR drills and validate network readiness.
• Ensure resilience testing and overall IP Core/Office network assurance.
• Ensure Proper backup & Recovery of all the components.
• High availability validation of the setup:
• Provide end-to-end support for operations and troubleshooting of network devices and services.
• Drive continuous improvement initiatives in network design, automation, and security posture.

Deployment & Configuration:

• Install, configure, and manage routers, switches, firewalls, and other network devices.
• Support integration of enterprise services, ISP uplinks, and interconnects with MPBN/other domains.
• Ensure “first-time-right” implementation of new services and projects.
• Apply best practices for high availability, scalability, and QoS prioritization.
• Support new integrations in voice, data, and charging networks where required.

Incident & Problem Management:

• Collaborate with remote and local teams to troubleshoot incidents.
•  Perform root cause analysis and implement corrective actions.
• Escalate and engage vendors for resolution (firewalls, ISP, equipment suppliers).
• Document incidents, resolutions, and lessons learned.
• Manage operational issues on caches, NNI, and Internet edge infrastructure.

Change & Access Control:

• Implement changes following approved change management processes.
• Compile and deliver weekly change requests with the operations team.
• Ensure compliance with organizational change procedures.
• Manage access control for all networking devices and update audit trails.
• Keep configuration baselines updated and reviewed regularly.

Security & Compliance:

• Administer and manage Firewalls, including policy design, security rule management, and threat prevention.
• Engage providers for resolution of issues relating to DDoS, IPDR, and anti-spam solutions.
• Support vulnerability remediation from security scans.
• Ensure adherence to company IT security standards and governance.

Solution Design & Continuous Improvement:

• Recommend improvements for network architecture, capacity, and resilience.
• Evaluate new technologies and provide input into IT/Enterprise strategy.
• Act as a linkage between planning and operations teams for QoS and service delivery.
• Provide technical guidance to peers and junior staff.
• Contribute to enterprise service support and customer-centric solutions.

Documentation & Reporting:

• Maintain accurate documentation of network architecture, changes, and implementations.
• Run monthly checks on critical documents and update as required.
• Produce reports on performance, availability, incidents, and audits.
• Ensure readiness for internal/external audits through structured documentation.

Qualifications
Educational Qualifications:

• Bachelor’s degree in Computer Science, IT, or related discipline.
• Networking certifications (CCNA/CCNP, JNCIA, or equivalent) desirable.
• Palo Alto Networks Certified Network Security Engineer (PCNSE) desirable.
• Arista Cloud Engineer (ACE) desirable.
• Cisco Certified Network Professional (CCNP) or Cisco Meraki Certification desirable.

Relevant Experience & Technical Skills:

• 10+ years of experience in enterprise networking.
• Strong hands-on knowledge of enterprise routers, switches, firewalls, and VPNs.
• Experience with DR drills, configuration audits, and ITIL-based operations.
• Firewalls design, deployment, policies, and troubleshooting (Palo Alto Desirable).
• Arista Switches (datacenter/enterprise switching (Arista desirable).
• Cisco Meraki (SD-WAN, cloud-managed wireless and security appliances).
• Proficiency in network monitoring tools like SolarWinds, Arista CloudVision etc..
• Deep understanding of  TCP/IP, routing, switching, VPNs, NAT, and security protocols.
• Experience in network design, capacity planning, and high-availability architecture.
• Strong troubleshooting skills with ability to resolve complex L2-L7 issues.
• Knowledge of automation/Scripting (Python/Ansible) would be an added advantage.

Other Requirements:

• Ability to work effectively with both remote and local teams.
• Strong documentation, reporting, and organizational skills.
• Solution-oriented mindset with resilience (“deep-feeted” ownership of responsibilities).
• Customer-centric, proactive, and adaptable to business needs.
• High integrity, strong communication skills, and ability to meet tight deadlines.

Application Closing Date
19th September, 2025; 11:59 pm.

How to Apply
Interested and qualified candidates should:
Click here to apply online