Northwest Petroleum & Gas Company Limited is a Company in the Oil & Gas Sector of the economy with international repute. The Company has vast experience in the importation, supply, distribution, and storage of Petroleum Products and is also actively involved in the official export of Crude Oil from Nigeria being one of the twenty-seven Companies approved by the Nigerian National Petroleum Corporation (NNPC) for allocation and export of Nigerian Crude Oil. Presently, amongst other facilities, the Company operates two (2) Ultra-Modern Mega Petroleum Products Storage Terminals with a combined capacity of 96.8 million litres certified and duly licensed by the Department of Petroleum Resources (DPR) and an Ultra-Modern Berthing Facility with an International state of the art Fire Fighting and Safety Equipment in the Calabar Free Trade Zone, Cross River State.
We are recruiting to fill the position below:
Job Title: ICT Network Engineer
Location: Lagos, Nigeria (Onsite)
Department: Information Technology
Reports To: IT Manager / Head of IT
Employment Type: Full-Time
Job Purpose
- The Network Engineer is responsible for the design, implementation, configuration, monitoring, maintenance, security, and continuous improvement of the organisation’s network infrastructure. The role ensures that the company’s LAN, WAN, Wi-Fi, Internet connectivity, VPN, network security, and related infrastructure remain secure, reliable, available, and fit for business operations.
- The position will work closely with the IT team, Internet Service Providers, system vendors, contractors, and other departments to ensure stable connectivity across the organisation’s offices, remote locations, and operational facilities.
Key Responsibilities
Network Infrastructure Management:
- Design, configure, maintain, and troubleshoot LAN/WAN infrastructure.
- Manage switches, routers, firewalls, wireless access points, VPNs, and other network devices.
- Implement appropriate network segmentation, VLANs, IP addressing, routing, and access-control policies.
- Maintain accurate network diagrams, IP address documentation, device inventories, and configuration records.
- Ensure network infrastructure is properly configured, labelled, documented, and maintained.
Network Monitoring & Troubleshooting:
- Proactively monitor network performance, availability, bandwidth utilisation, and connectivity.
- Diagnose and resolve network outages, slow connectivity, packet loss, DNS/DHCP issues, and other network-related problems.
- Identify recurring network problems and recommend permanent corrective actions.
- Escalate complex issues to vendors or service providers when required and follow through to resolution.
- Conduct network performance and health checks regularly.
Internet & ISP Management:
- Manage and monitor primary and secondary Internet connections.
- Coordinate with ISPs on service activation, outages, bandwidth requirements, and fault resolution.
- Monitor ISP performance against agreed Service Level Agreements (SLAs).
- Maintain appropriate Internet failover arrangements to minimise business disruption.
Network Security:
- Implement and maintain network security controls in conjunction with the IT security function.
- Configure and maintain firewall policies, VPNs, access controls, and network segmentation.
- Monitor network activity for unusual or potentially malicious behaviour.
- Support cybersecurity initiatives including vulnerability remediation, access control, endpoint/network isolation, and security assessments.
- Ensure network devices are appropriately patched and securely configured.
Wireless Network Management:
- Deploy, configure, optimise, and maintain corporate wireless networks.
- Manage staff, guest, and specialised wireless networks where applicable.
- Conduct wireless coverage and performance assessments.
- Troubleshoot Wi-Fi connectivity, authentication, coverage, and performance issues.
Network Projects:
- Participate in the planning and implementation of network infrastructure for new offices, facilities, branches, and projects.
- Review network designs, cabling plans, equipment specifications, and contractor submissions.
- Coordinate with contractors and vendors during network installations and commissioning.
- Test and certify network infrastructure before handover to operations.
- Support network upgrades, expansions, migrations, and technology refresh projects.
Network Availability & Business Continuity:
- Support the design and implementation of resilient network infrastructure.
- Maintain network redundancy and failover mechanisms where required.
- Participate in disaster recovery and business continuity exercises involving network services.
- Ensure critical network infrastructure has appropriate backup configurations and recovery procedures.
Documentation & Reporting:
- Maintain up-to-date network documentation, configurations, diagrams, IP address schemes, and equipment records.
- Prepare regular reports on network availability, incidents, capacity, performance, and outstanding issues.
- Document network changes and ensure appropriate change-control procedures are followed.
- Develop and maintain standard operating procedures for network-related activities.
User & IT Support:
- Provide advanced technical support to the IT Support team for network-related incidents.
- Assist with troubleshooting connectivity issues affecting users, applications, telephony, CCTV, access control, and other IT/ELV systems.
- Provide technical guidance and knowledge transfer to other IT personnel.
Required Qualifications & Experience
- Bachelor’s Degree in Computer Science, Information Technology, Computer Engineering, Electrical / Electronic Engineering, or a related discipline.
- 3–5 years of relevant network engineering experience in a corporate environment.
- Practical experience with enterprise network infrastructure.
- Experience with switches, routers, firewalls, wireless networks, VPNs, VLANs, DHCP, DNS, TCP/IP, and network monitoring.
- Experience working with Internet Service Providers and troubleshooting WAN/Internet connectivity.
- Experience supporting multi-site or enterprise network environments is an advantage.
- Relevant professional certification such as CCNA, CCNP, Fortinet, Sophos, Ubiquiti/UniFi, or equivalent is an advantage.
Technical Competencies:
The successful candidate should have practical knowledge of:
- TCP/IP and OSI networking concepts
- LAN/WAN architecture
- VLANs and network segmentation
- Routing and switching
- DHCP and DNS
- Firewall configuration and management
- VPN technologies
- Wireless networking
- Network monitoring and troubleshooting
- Internet bandwidth management
- Network security principles
- Structured cabling and network infrastructure
- Network documentation and configuration management
- High-availability and failover concepts
Overall Accountability:
- The Network Engineer is expected to ensure that the organisation’s network infrastructure provides stable, secure, reliable, and efficient connectivity for employees, business applications, operational systems, and critical technology services while continuously identifying opportunities to improve network performance, resilience, and security.