Networks & Cybersecurity Engineer

Reports to: IT Manager About the Role Greenfuel is looking for a skilled Network & Cybersecurity Engineer to maintain a secure, reliable and efficient technology environment by administering corporate networks, servers, endpoints, cloud services and business applications; delivering responsive user support; implementing and monitoring cybersecurity controls; and enabling the safe, practical adoption of AI and automation tools. The role is operational and hands-on, with a clear focus on reducing cyber risk, preventing downtime and improving service quality. Duties and Responsibilities 1) Network Architecture & Operations • Design, configure, and maintain enterprise LAN, WAN, WLAN, and hybrid-cloud network environments (such as Microsoft Azure or AWS). • Manage core routing and switching protocols (e.g., BGP, OSPF, TCP/IP, DNS, DHCP) and VLAN segmentation. • Monitor network availability, capacity, performance, and up time to minimize disruptions. 2) Cybersecurity & Defense Implementation • Maintain vulnerability and remediation registers; carry out routine access reviews, configuration checks and technical risk assessments; report unresolved risks to management. • Enforce backup security, restore testing, disaster-recovery readiness and ransomware resilience, including segregated or immutable backup approaches where feasible. • Support cybersecurity policies, user awareness campaigns, supplier security reviews, data protection requirements and audits; align practices with ISO/IEC 27001 and NIST CSF where adopted. • Maintain accurate evidence of security actions, incidents, exceptions and corrective measures; coordinate penetration testing or specialist services where required. • Deploy and manage security appliances including firewalls (e.g., Check Point, Fortinet, Cisco, Sophos), VPNs, Intrusion Detection/Prevention Systems (IDS/IPS), and Network Access Control (NAC). • Implement Zero Trust architectures, Multi-Factor Authentication (MFA), and endpoint protection (EDR/XDR). • Monitor Security Information and Event Management (SIEM) tools to analyze log data and detect suspicious network traffic. 3) Vulnerability Management & Incident Response • Conduct regular vulnerability assessments, penetration testing, and security audits to identify and patch system gaps. • Lead incident response efforts, forensic investigations, and mitigation during active cyberattacks, malware, ransomware, or phishing incidents. • Develop and maintain Disaster Recovery (DR) and Business Continuity (BC) plans. 4) Compliance & Governance • Enforce data privacy and security standards relevant to the organization's industry (e.g. Data Protection Act,ISO 27001, GDPR, HIPAA, POPIA, or PCI-DSS). • Write and update internal security policies, configuration baselines, and employee awareness training materials. 5) End-user support and IT service delivery • Provide first- and second-line support for desktops, laptops, printers, mobile devices, collaboration tools and standard business applications. • Log, prioritize, resolve and escalate requests and incidents against agreed service targets; maintain clear user communication and a searchable knowledge base. • Prepare and secure devices for onboarding/offboarding; handle software installation, asset allocation, warranty coordination and user training.

Minimum Qualifications and Experience • Diploma or degree in Information Technology, Computer Science, Cybersecurity, Information Systems or a closely related discipline (or equivalent demonstrable experience). • Recommended minimum: 2–3 years of hands-on IT infrastructure, systems and user support experience, including at least 1- 2 years of substantial cybersecurity responsibilities. • Proven ability to administer business networks, firewalls, Windows/Linux environments, identity services, endpoint security and backup/recovery platforms. • Practical experience responding to security incidents, investigating alerts, hardening systems, applying patches and performing vulnerability remediation. • Experience supporting business applications and users in a multi-department organization; industrial/factory or multi-site experience is an advantage. • Strong analytical, problem-solving and communication skills, with the ability to work both independently and in a team. Added Advantage • Cloud security experience (Azure, AWS) or Microsoft 365 security. • Data Protection Officer Qualification. • Familiarity with industrial or operational technology (OT) environments. • Advanced certifications in cybersecurity or networking.