Introduction
The IT Infrastructure & Cyber Security Specialist is responsible for maintaining the company’s IT infrastructure (networks, servers, cloud applications, and collaboration platforms) while ensuring the highest standards of cyber security. This dual-function role combines hands-on technical support and network administration with cyber security monitoring, incident response, and regulatory compliance, ensuring the organization’s digital environment remains stable, resilient, and secure.
Duties & Responsibilities
Key Responsibilities:
- Perform troubleshooting using different diagnostic techniques
- Troubleshoot, diagnose, and resolve technical hardware and/or software issues
- Provide needed information on IT/IS products or services
- Keep record of problems and their resolution
- Provide feedback on processes and make recommendations on areas to improve
- Maintain technical documentation and service catalogue on installation of software, configuration of hardware and problem troubleshooting
- Suggest improvements on procedures
Infrastructure & Network Administration
- Configure, monitor, and maintain Cisco/HP switches, VLANs, and wireless access points
- Install, configure, and maintain servers, network cabling, and endpoint devices (desktops, laptops, printers, mobile devices)
- Manage Active Directory (AD): user accounts, groups, Group Policy Objects (GPOs), and access permissions
- Administer Microsoft 365 services via the Admin Portal, including Exchange Online, SharePoint, OneDrive, and Teams
- Support and manage Microsoft Teams Rooms devices and applications
- Perform system updates, backups, and proactive infrastructure maintenance to minimize downtime
- Troubleshoot LAN/WAN, VPN, DHCP, and DNS issues and ensure reliable network connectivity
Cyber Security Operations
- Configure, manage, and monitor firewalls, intrusion detection/prevention systems (IDS/IPS), and VPNs
- Conduct regular network vulnerability assessments and penetration testing
- Monitor for unusual traffic patterns, unauthorized access, and potential attacks
- Maintain and monitor Security Information and Event Management (SIEM) systems and endpoint protection
- Implement and enforce data protection policies, encryption standards, and secure data transfers
- Oversee backup and disaster recovery processes to safeguard critical data
Application & Data Security
- Secure key business applications (e.g., Sage ERP, HR, and operational systems)
- Enforce least-privilege principles, conduct access reviews, and manage security patching
- Ensure audit logs for critical applications are captured, monitored, and retained
- Perform root-cause analysis and prepare incident response reports
Compliance & Reporting
- Ensure alignment with regulatory frameworks (e.g., POPIA, GDPR, PCI DSS, ISO 27001)
- Prepare and deliver regular security and risk reports for IT management and executives, including:
- Cyber incident statistics and firewall activity summaries
- Security posture, vulnerability trends, and risk assessments
- Compliance dashboards and audit responses
- Provide clear, concise reporting for both technical and non-technical stakeholders
- Lead cyber security awareness training for employees to reduce human error risks
Collaboration & Knowledge Sharing
- Work closely with the IT support team to reduce reliance on external vendors
- Provide mentorship to junior staff on network, cloud, and security best practices
- Participate in the design and implementation of new IT projects and digital transformation initiatives
Desired Experience & Qualification
- Degree or Diploma in Information Technology, Computer Science, or Information Security
- Minimum of 3–5 years of combined experience in IT support, network administration, and cyber security operations
- Relevant certifications preferred:
- CCNA / CompTIA Network+ (networking)
- CompTIA Security+ / CISSP / CISM / CEH (cyber security)
- Microsoft certifications (e.g., MS-900, Azure Fundamentals, or Microsoft 365 Security Administrator)
- Strong knowledge of networking protocols (TCP/IP, DNS, DHCP, VLANs) and structured cabling standards
- Hands-on experience with Cisco/HP switch configuration and troubleshooting
- Proficiency in Microsoft 365 Admin Portal and Active Directory administration
- Experience in configuring and managing Microsoft Teams Rooms
- Strong technical expertise in firewall administration, IDS/IPS, and network security tools
- Familiarity with Sage ERP security and other key business application controls
- Fluent in English
Package & Remuneration
R700k p/a CTC
