Network Infrastructure Engineer

This role is responsible for the implementation, operation, and continuous improvement of network infrastructure across corporate, data centre, cloud, and site environments. The engineer will be actively involved in the network design phase by supporting design reviews, validating requirements, and providing implementation and operational inputs, while ensuring secure, reliable, and scalable network services aligned with operational, security, and compliance requirements. Key Responsibilities 1. Network Implementation & Operations · Implement, configure, operate, and maintain network infrastructure (physical and virtual), including LAN, WAN, Wi-Fi, cloud networking, and structured cabling. · Participate in the network design phase by reviewing designs, validating assumptions, highlighting operational risks, and ensuring designs are implementable and supportable. · Configure, troubleshoot, and support network equipment such as switches, routers, firewalls, and wireless access points. · Perform technical site surveys, Wi-Fi passive site surveys, and site preparation activities as input to design and implementation. · Monitor network performance, capacity, and availability; proactively identify and resolve incidents to ensure stable operations. · Support scheduled maintenance, including after-hours maintenance windows when required. · Attend remote sites for fault isolation, troubleshooting, and service provisioning activities · Liaise with vendors & internal stakeholder on Network Cabling works (eg Laying of New LAN cables during O0ice Renovation.) 2. Network Monitoring, Optimization & Resilience · Operate and maintain network monitoring platforms such as PRTG and SolarWinds. · Analyze performance metrics, bandwidth utilization, and fault data to support continuous optimization and service improvement. · Implement and support disaster recovery and backup solutions for network infrastructure in line with approved architecture. · Manage cabling assets and maintain accurate and up-to-date physical and logical network diagrams. 3. Cloud Networking & Connectivity · Implement and support cloud networking components and connectivity in AWS or other Cloud Connectivity environments based on approved designs. · Ensure secure and reliable connectivity between on-premises environments, cloud platforms, and external service providers. · Provide implementation and operational feedback to improve cloud network designs for performance, scalability, and cost e0iciency. 4. Security, Risk & Compliance · Implement and operate network security controls including firewall policies, VPNs, NAC, and Wi-Fi security configurations. · Ensure network implementations comply with internal standards, security policies, and industry best practices. · Support audits by providing evidence, addressing findings, and implementing corrective actions. · Perform vulnerability assessment, remediation, and security hardening activities across enterprise network and security infrastructure environments 5. Documentation & Change Management · Develop, maintain, and update network documentation, including: o As-built network documentation and diagrams o Implementation and configuration guides o Operational runbooks and support procedures o Preventive maintenance documentation · Ensure all network changes follow established change management and approval processes. · Documenting network configurations and maintaining up-to-date records · Maintaining IT Asset Inventory 6. Project & Stakeholder Collaboration · Work closely with Project Managers and solution teams to deliver network components of projects according to agreed scope, timelines, and quality standards. Required Qualifications & Experience Education & Certifications · Diploma or bachelor’s degree in Information Technology, Computer Engineering, or a related field. · Relevant certifications, such as: o Cisco CCNA / CCNP o Fortinet NSE 4 or equivalent o AWS Solutions Architect – Associate Technical Experience · 4–5 years of hands-on experience in network implementation, operations, and support within enterprise environments. · Strong experience with enterprise networking technologies, including: o Switching, routing, firewalls, and VPNs (Cisco, Fortinet, Palo Alto, AWS, Azure) o IP networking fundamentals, routing protocols (BGP, OSPF), QoS, and Ethernet · Experience using network monitoring and management tools (e.g. PRTG, SolarWinds). · Good understanding of structured cabling, Wi-Fi technologies, NAC, and network security controls. · Proven troubleshooting capability in complex, multi-site or hybrid cloud network environments. Soft Skills & Attributes · Strong analytical and problem-solving skills. · Customer-oriented mindset with the ability to manage multiple tasks in a fast-paced environment. · Clear communication and e0ective technical documentation skills. · High attention to detail with strong organizational abilities. · Ability to work independently and collaboratively within cross-functional and project teams. Working Conditions · May require after office-hours work during scheduled maintenance or critical network activities. · Exposure to enterprise-scale, multi-site, and cloud-integrated network environments