Jobs

Network & Implementation Engineer at IT Horizons Limited

  • Job Type Contract
  • Qualification BA/BSc/HND
  • Experience 4 – 6 years
  • Location Abuja
  • City Gbagada
  • Job Field ICT / Computer&nbsp

Network & Implementation Engineer at IT Horizons Limited

Network & Implementation Engineer

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.

Method of Application

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

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