Systems & Network Engineer at Alan & Grant

Job Description

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Alan & Grant is recruiting a Systems & Network Engineer to design, secure, and maintain a resilient IT infrastructure that supports reliable digital operations and service delivery.

This role is critical to ensuring high availability, cybersecurity, and performance across all enterprise systems and networks.

Location: Abuja, Nigeria
Job Type: Full-Time

Role Overview

The Systems & Network Engineer will be responsible for building and maintaining secure, scalable, and reliable network and server environments while ensuring business continuity and system resilience.

Key Responsibilities

• Design, deploy, and maintain secure network infrastructure, including switches, routers, firewalls, VPNs, wireless networks, and WAN/LAN environments
• Manage on-premise and cloud server infrastructure, including installation, configuration, monitoring, patching, and backups
• Implement and enforce cybersecurity controls, including access management, threat monitoring, network segmentation, IDS/IPS, and endpoint security
• Troubleshoot and resolve system, network, and connectivity issues across user groups
• Support integration of digital platforms, applications, and data systems
• Monitor network performance, logs, and uptime to ensure optimal operations and early detection of issues
• Maintain disaster recovery and business continuity plans, including backup routines and redundancy
• Document system architecture, configurations, and operational procedures

Requirements

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field
• Proven experience managing enterprise-level networks and server infrastructure
• Strong knowledge of TCP/IP, VLANs, VPNs, routing protocols, firewalls, and network security architecture
• Proficiency in Windows and Linux server administration, virtualization (VMware/Hyper-V), and cloud platforms (AWS, Azure, or GCP)
• Experience with cybersecurity tools such as SIEM, endpoint protection, IDS/IPS, firewalls, and vulnerability scanners
• Scripting or automation skills (PowerShell, Bash, Python) are an advantage
• Public-sector or regulated-environment experience is a plus

Why Join

This role offers the opportunity to work on mission-critical systems that support secure, reliable, and scalable digital services in a structured environment.