Charterhouse - We aim to create a British-style international school reflecting the heritage and culture of the great UK independent schools. We are in search of courageous individuals who embrace challenges head-on and defy conventional expectations. We seek leaders who have the vision to set ambitious targets for students and staff; and who are unafraid to dream big and set lofty goals that will drive our school’s growth and success.
We are recruiting to fill the position below:
Job Title: Networking Technician
Location: Lagos
Job Type: Full Time
Reporting to: Network Specialist
Department: Information Technology
Role Overview
- The role is responsible for the day-to-day operation and maintenance of the school’s network infrastructure, including switches, access points, firewalls and internet connectivity.
- It supports network availability, performance and security, working with the IT team, ISPs and vendors to resolve issues and implement network improvements across the campus.
Key Responsibilities
Network Operations and Administration:
- Administer and maintain the school’s wired and wireless network infrastructure.
- Configure, monitor and troubleshoot switches, wireless access points, routers, firewalls and other network equipment.
- Support network services including TCP/IP, DHCP, DNS and VLANs.
- Maintain reliable network connectivity across classrooms, offices, boarding areas and other campus facilities.
- Monitor network performance and identify potential reliability, performance or capacity issues.
- Maintain accurate records of network equipment, configurations and locations.
- Maintain reliable connectivity across classrooms, offices, boarding areas and other campus facilities.
- Ensure network equipment is appropriately configured, labelled and maintained.
Network Troubleshooting and Incident Resolution:
- Investigate and resolve network connectivity, performance and availability issues.
- Diagnose faults affecting wired and wireless connectivity.
- Troubleshoot issues involving switches, access points, firewalls, cabling and network services.
- Use appropriate diagnostic and monitoring tools to identify the cause of network problems.
- Respond to network-related incidents raised through the IT helpdesk.
- Document findings, actions taken and resolutions within the helpdesk system.
- Escalate complex or major network incidents to the Network Specialist.
Internet, ISP and Network Security:
- Monitor the school’s internet connectivity and investigate service interruptions.
- Carry out initial diagnostics for internet and WAN-related faults.
- Coordinate with internet service providers when external support is required and follow faults through to resolution.
- Maintain records of internet outages, service issues and ISP interventions.
- Support the administration and maintenance of network firewalls and security controls.
- Assist with network segmentation, access controls and secure network configurations.
- Escalate suspected network security incidents through the appropriate channels.
- Support the implementation of network security improvements.
Network Infrastructure and Preventive Maintenance:
- Maintain network cabinets, switches, patch panels, wireless access points, cabling and associated infrastructure.
- Support network installations, cabling, upgrades and infrastructure changes across the campus.
- Carry out routine checks and planned preventive maintenance of network equipment.
- Identify damaged, faulty or ageing network equipment and recommend replacement where required.
- Ensure network equipment and cabling are properly organised, labelled and maintained.
- Test new or replacement network equipment before and after implementation.
- Maintain records of network maintenance activities and equipment condition.
CCTV and Security Infrastructure Support:
- Provide technical coordination for CCTV-related faults where network connectivity or IT infrastructure may be involved.
- Carry out initial checks to determine whether CCTV issues relate to network connectivity, power, equipment or the wider CCTV system.
- Coordinate CCTV faults and maintenance requirements with the school’s contracted CCTV maintenance vendor.
- Escalate faults requiring specialist intervention to the contracted vendor and monitor progress through to resolution.
- Coordinate access and site requirements with relevant staff and vendors for maintenance visits.
- Follow up outstanding CCTV faults, repairs and maintenance activities.
- Maintain records of CCTV faults, vendor visits, repairs, replacements and outstanding issues.
- Test CCTV connectivity and functionality following maintenance or repairs where required.
- Report recurring or significant CCTV issues to the IT Support Supervisor and Senior IT Support Officer.
Network Documentation and Asset Records:
- Maintain accurate network diagrams and topology documentation.
- Document network configurations, IP addressing, VLANs and other relevant technical information.
- Maintain records of network equipment, locations and configurations.
- Ensure network equipment changes are reflected in technical documentation.
- Provide asset information to the IT Support Technician for the central IT inventory.
- Maintain appropriate records of network changes, installations and upgrades.
Network Projects and Infrastructure Development:
- Support network installations, upgrades and expansion projects.
- Assist with the planning and implementation of network improvements.
- Test new network equipment and services before implementation.
- Support the deployment of new wireless access points, switches and other network infrastructure.
- Work with approved contractors and vendors during network projects.
- Assist with network capacity planning and infrastructure development.
- Ensure project changes are properly documented and handed over to the IT team.
General IT Support:
- Participate in the school’s IT helpdesk and respond to network-related tickets.
- Provide general technical support where required.
- Assist with issues involving network-connected computers, printers, classroom technology and other devices.
- Escalate non-network issues to the appropriate technical arm.
- Provide basic support for Microsoft 365, user accounts and endpoint-related issues.
- Provide hands-on technical support where required, particularly during periods of high demand or significant incidents.
Qualifications and Experience
Essential:
- Diploma or Bachelor’s Degree in Information Technology, Computer Science or a related field.
- 2–3 years’ experience in IT support, networking or a related technical role.
- CompTIA Network+, CCNA or equivalent qualification.
Skills & Competencies:
- Good understanding of TCP/IP, DHCP, DNS and basic networking principles.
- Experience troubleshooting wired and wireless network connectivity.
- Good understanding of computer hardware and network-connected devices.
- Strong communication and presentation skills, both written and verbal.
- Experience with managed switches, firewalls and wireless networks.
- Experience working with enterprise or campus networks.
- Experience with network monitoring tools.
- Experience working with ISPs and external network vendors.
Personal Attributes:
- Proactive and dependable.
- Strong technical troubleshooting skills.
- Methodical and attentive to detail.
- Calm and professional during network incidents.
- Able to manage competing priorities.
- Willingness to learn and develop networking skills.
- Able to work independently and as part of a team.
- Commitment to the values and ethos of Charterhouse Lagos.
- Ability to maintain a professional demeanour when dealing with teachers, students, and other staff.