Network Infrastructure Specialist

Summary:

Design, implement, and support network infrastructure solutions (LAN/WAN, wireless, VPN, VNET) to ensure high availability, performance, and security. Collaborate with cross-functional teams to troubleshoot, optimise, and document network systems. Manage network security protocols, vendor relations, and proactive monitoring.

Requirements:

• Design, configure, and deploy network infrastructure (LAN/WAN, wireless, VPN, VNET).
• Monitor network performance, diagnose issues, and perform health checks.
• Implement and maintain network security protocols (firewalls, VPNs, IDS/IPS, segmentation).
• Integrate network security tools such as AD, MFA, Clearpass, ESXi, PMP, PIM, PAM, ELA, SIEM, SEM, SEP, SCOM.
• Optimise network traffic and capacity planning.
• Document network architecture, configurations, and troubleshooting procedures.
• Liaise with vendors for support, maintenance, and procurement.
• Provide technical guidance to junior team members.

Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, Networking, or related field (or equivalent experience).
• Minimum 6 years of hands-on experience in network infrastructure design, implementation, and administration.
• Experience with enterprise-level networking equipment (routers, switches, firewalls, load balancers, wireless access points).
• Proficiency in networking protocols and technologies (TCP/IP, BGP, OSPF, DNS, DHCP, VPN, VLANs, MPLS, QoS).
• Preferred certifications: CCNA, CCNP, CCIE, CompTIA Network+, JNCIA, or equivalent.
• Familiarity with network monitoring tools (Wireshark, SolarWinds, PRTG).
• Knowledge of cloud networking (AWS, Azure) and hybrid environments.
• Experience with SD-WAN, VPN technologies, and data centre operations (VMware NSX, Hyper-V, ESXi).
• Scripting/automation skills (Python, Ansible) are a plus.
• Strong problem-solving, communication, and organisational skills.