Network Infrastructure Engineer (Mid-Level) at Green Com Enterprise Solutions Ltd

About the Role

• We are seeking a skilled and experienced Network Infrastructure Engineer to join our ICT team.
• The successful candidate will be responsible for the deployment, administration, monitoring, and maintenance of server infrastructure, virtual environments, network security solutions, and ICT hardware.
• The role requires hands-on experience in both Windows and Linux server environments, virtualization technologies, network administration, cybersecurity, and hardware management.

Key Responsibilities

• Deploy, configure, maintain, and optimize Windows and Linux server environments.
• Create, manage, and monitor virtual machines using platforms such as Hyper-V, VMware, or Proxmox.
• Perform server patching, updates, backups, disaster recovery testing, and capacity planning.
• Monitor server performance, availability, and infrastructure health.
• Install, configure, and maintain network devices including routers, switches, firewalls, and wireless infrastructure.
• Support LAN, WAN, VPN, and remote access services.
• Configure and maintain firewall rules, VPN solutions, and network security controls.
• Monitor security events and respond to infrastructure-related incidents.
• Conduct vulnerability assessments and implement security best practices.
• Install, configure, troubleshoot, and maintain servers, storage systems, desktops, laptops, and related ICT equipment.
• Manage ICT asset inventories and lifecycle processes.
• Prepare and maintain technical documentation, infrastructure diagrams, and operating procedures.
• Provide second-level and third-level technical support for infrastructure-related issues.
• Participate in infrastructure modernization, cloud adoption, and cybersecurity improvement initiatives.

Qualifications and Experience

• Bachelor's Degree in Computer Science, Information Technology, Computer Engineering, Telecommunications Engineering, Information Systems, or a related field.
• Minimum of three (3) years of relevant experience in systems administration, network administration, or infrastructure engineering.

Preferred Technical Skills

• Windows Server Administration
• Linux Administration (Ubuntu, Debian, Red Hat, Rocky Linux, CentOS)
• Virtualization Technologies (Hyper-V, VMware, Proxmox)
• TCP/IP, DNS, DHCP, VLANs, Routing and Switching
• Firewall and VPN Administration
• Cybersecurity and Access Control Management
• Server and Storage Hardware Management
• Cloud Platforms (Microsoft Azure, AWS, or Google Cloud)
• PowerShell, Bash, or Python scripting

Professional Certifications (Preferred)

• CCNA
• CompTIA Network+
• CompTIA Security+
• Microsoft Certified: Windows Server Hybrid Administrator Associate
• RHCSA
• LPIC-1
• Fortinet Certified Associate (FCA) or equivalent firewall certification

Key Competencies

• Strong troubleshooting and analytical skills
• Excellent communication and documentation skills
• Ability to manage multiple priorities and projects
• Strong understanding of infrastructure security principles
• Ability to work independently and within cross-functional teams