Network Engineer at ITH Holdings

IT Horizons Ltd is a company with diverse talents and skills on existing, recent and upcoming technologies worldwide. We are a team of young, vibrant, ambitious but experienced professionals who deal with everything relating to technologies especially information communication technologies (ICT). Inaddition, we have the ability to update with latest trends and requirements of our esteemed clients. Our company established in 2010, had been driven by innovations and excellence, and with its rapid rate of success and customers’ requirements, we were fully incorporated into a private limited company in 2012 with the aim of helping organizations in achieving their goals by providing optimum technological solutions while reducing total cost of ownerships.

We are recruiting to fill the position below:

Job Title: Network Engineer

Location: Abuja (FCT)
Employment Type: Contract

Summary

• As an engineer, you’ll be providing support to the organization’s network, security, voice, and server infrastructure.
• This role requires a hands-on engineer who can design, implement, and troubleshoot across multiple domains while ensuring uptime, security, and performance for critical business systems.

Core Responsibilities
Network Operations:

• Manage and support LAN, WAN, WLAN, VPN, and SD-WAN infrastructure.
• Configure and support Aruba network switches, Aruba gateway, and wireless access points, Aruba ClearPass
• Implement and monitor VLANs, routing protocols (OSPF, BGP, EIGRP), and QoS policies.
• Troubleshoot latency, packet loss, and connectivity issues.
• Manage and support Fortigate firewalls, Palo Alto Firewalls, Aruba ClearPass Network Access Control Solution.
• Manage site-to-site VPNs, remote access VPNs, and secure tunneling.
• Monitor logs, IDS/IPS alerts, and ensure compliance with security best practices.
• Apply patches, harden systems, and conduct vulnerability remediation.
• Maintain enterprise telephony/UC platforms
• Manage SIP trunks, voice gateways, dial plans, and call routin.
• Administer Windows and Linux servers (on-premise and virtualized).
• Manage AD, DNS, DHCP, Group Policy, and file/print services.
• Maintain VMware/Hyper-V clusters and ensure high availability.
• Implement and monitor backup and disaster recovery solutions.
• Deploy and manage monitoring tools (CheckMK, SolarWinds, PRTG, etc.).
• Track bandwidth utilization, uptime SLAs, and performance trends.
• Document changes, configurations, and incident resolutions.
• Provide L2/L3 escalation support for critical incidents.
• Conduct periodic preventive maintenance activities to maintain optimal performance of the network infrastrcture.

Requirements
Education / Experience:

• Bachelor’s degree in Computer Science, IT, or related discipline.
• 4 - 6 years of hands-on experience managing enterprise IT infrastructure.

Technical Expertise:

• Networking: Cisco/Aruba switches and routers.
• Security: Firewalls, Network Access Control (NAC).
• Voice: VoIP, SIP, RTP, QoS.
• Servers: Windows/Linux, VMware/Hyper-V.
• Cloud exposure (Azure/AWS/M365) is a plus.

Certifications:

• CCNP - Mandatory.
• NSE, HPE Aruba networking, MCSA/MCSE, Azure administrator - added advantage.

Key Competencies:

• Strong troubleshooting and diagnostic skills.
• Ability to manage critical incidents under pressure.
• Strong documentation and operational discipline.
• Security-first mindset in all configurations.
• Ability to collaborate with vendors, partners, and internal teams.

Application Closing Date
11th May, 2026.