Network Engineer

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.

How to Apply

Interested and qualified candidates should send their CV to: careers@ithorizonsgroup.com using the Job Title as the subject of the email.