Network Administrator

AI summary

A leading ICT solutions provider in Africa is hiring a full-time Network Administrator based in Lagos. The role focuses on day-to-day administration, security, and reliability of network infrastructure across multiple sites, including VLAN management, firewall administration, wireless access points, and collaboration with the SOC team on vulnerability remediation. Candidates should have 2–4 years of experience and relevant networking or security certifications.

• Full-time Network Administrator role in Lagos
• Focus on multi-site network administration and security
• Requires 2–4 years of hands-on experience
• CCNA, CompTIA, or Sophos certifications are an advantage
• Involves SOC collaboration and firewall administration

Original source description

Network Administrator in a Leading ICT Solutions Provider ⏲ Aug 27, 2026, 11:03 AM ⋕ View all Cybersecurity & Networking jobs A leading ICT solutions provider in Africa, specializing in digital transformation for businesses across various sectors. The company offers services such as IT infrastructure, enterprise software, managed services, financial technology, and consulting. With decades of experience: and a presence in multiple African countries, it delivers innovative, scalable solutions that enhance operational efficiency and business growth. We are recruiting to fill the position below: Job Title: Network Administrator Location: Lagos Employment Type: Full-time Job Purpose The Network Administrator is responsible for the day-to-day administration, security, and reliability of company’s network infrastructure across all sites. The role owns the network layer end-to-end — from wireless access and IP addressing to firewall administration and surveillance network uptime — and works closely with the SOC team to identify and remediate security vulnerabilities across the network estate. This is a dedicated, full-time technical role reporting to the Technical Lead, distinct from the Datacenter Engineering function. Key Responsibilities: VLAN Administration: Design, configure, and maintain VLAN segmentation across switches and sites to ensure proper network isolation, security, and traffic management. Security Collaboration with SOC: Work directly with the Security Operations Centre (SOC) team to analyse Common Vulnerabilities and Exposures (CVEs) affecting network infrastructure and coordinate timely patching and remediation. Network Infrastructure Management: Administer, monitor, and maintain company’s core and site-level network infrastructure to ensure consistent uptime and performance across all locations. Documentation & Reporting: Maintain up-to-date network diagrams, IP/VLAN registers, and firewall configuration records; provide regular status reports to the Technical Lead. Incident Response: Investigate and resolve network-related incidents (connectivity loss, security alerts, device lockouts) promptly, escalating to the Technical Lead where required. Access Point (AP) Management: Deploy, configure, monitor, and troubleshoot all wireless Access Points across sites to ensure reliable and secure wireless connectivity. Camera / Surveillance Network Management: Manage the network infrastructure supporting all CCTV/camera systems, ensuring connectivity, uptime, and secure access for surveillance operations. IP Address Management (IPAM): Maintain the organisation's IP addressing scheme, allocate and track IP address usage, and prevent conflicts across the network. Firewall Administration (Sophos): Configure, monitor, and maintain Sophos Firewalls across the HUB, FifthLab, Arena, and Castew buildings, including rule management, VPN configuration, and security policy enforcement. Qualifications & Experience: 2–4 years' hands-on experience: in network administration, ideally across multi-site environments. Bachelor's Degree / HND in Computer Engineering, Computer Science, Information Technology, or a related field. Solid understanding of VLANs, IP addressing/subnetting, and wireless Access Point management. Relevant certifications an advantage: CCNA, CompTIA Network+/Security+, Sophos certifications, or equivalent. Working knowledge of Sophos Firewall administration (or equivalent enterprise firewall platforms). Familiarity with vulnerability management concepts and experience: collaborating with a SOC or security team on CVE remediation. Key Skills & Competencies: Strong troubleshooting and problem-solving skills under operational pressure. Security-conscious mindset with an understanding of network hardening best practices. Ability to work independently across multiple sites while maintaining clear communication with the Technical Lead. Good documentation habits and attention to detail. Effective collaborator — works cross-functionally with SOC and Datacenter Engineering without duplicating effort. How to Apply Interested and qualified candidates should send their CV to: rashysalah@gmail.com using "Full Name – Role Applied For" as the subject of the email. (Example: John Doe – Network Administrator). Application Deadline: 5th September, 2026. View all Jobs in Nigeria Lagos State Network Administrator job vacancies in Nigeria