Infrastructure Administrator

Network Finance; Durban; On-site; ZAR 360,000 - 600,000; Full time

Job summary

Network Finance in Durban is seeking an IT Infrastructure Administrator to support and enhance critical IT systems across servers, networks, cloud, and virtualization. You will work with IT teams and stakeholders to keep systems secure, scalable, and highly available.

The role involves troubleshooting complex issues, implementing security controls, backups, and disaster recovery, with exposure to Windows and Linux, VMware/Hyper-V, and network fundamentals.

Qualifications

• 3+ years in IT infrastructure administration.
• Experience supporting enterprise infrastructure environments.
• Exposure to cloud and virtualization technologies.

Responsibilities

• Install, configure, and maintain physical and virtual server infrastructure.
• Administer and support Windows and Linux operating systems.
• Manage virtualisation platforms and ensure optimal performance.
• Monitor and maintain LAN/WAN infrastructure, including switches, routers, and firewalls.
• Support cloud and hybrid cloud environments.
• Implement and maintain security controls, access management, and vulnerability remediation.
• Manage backup, disaster recovery and business continuity processes.
• Monitor infrastructure health, investigate incidents, and perform root cause analysis.
• Maintain technical documentation, procedures, and infrastructure reports.

Skills

Troubleshooting

Analytical skills

Communication

Independent worker

Education

Relevant IT degree/diploma/certification

Tools

Windows Server

Linux

VMware/Hyper-V

Networking

TCP/IP/DNS/DHCP

Job description

Join a dynamic technology environment where you will be responsible for supporting and enhancing critical IT infrastructure that underpins daily business operations. This role offers exposure to servers, networking, cloud technologies, virtualisation, security, and disaster recovery, providing an excellent opportunity to expand your technical expertise while making a meaningful impact. You will work closely with IT teams and stakeholders to ensure systems remain secure, scalable, and highly available. If you are passionate about infrastructure, enjoy troubleshooting complex technical issues, and want to work with a broad range of technologies, this role offers excellent growth and development opportunities.

Key Responsibilities:

• Install, configure, and maintain physical and virtual server infrastructure
• Administer and support Windows and Linux operating systems
• Manage virtualisation platforms and ensure optimal performance
• Monitor and maintain LAN/WAN infrastructure, including switches, routers, and firewalls
• Support cloud and hybrid cloud environments
• Implement and maintain security controls, access management, and vulnerability remediation
• Manage backup, disaster recovery, and business continuity processes
• Monitor infrastructure health, investigate incidents, and perform root cause analysis
• Maintain technical documentation, procedures, and infrastructure reports

Job Experience and Skills Required:

• Education: Relevant Degree, Diploma, or Certification in Information Technology, Computer Science, or a related field
• Experience:
• Minimum 3 years' experience in IT Infrastructure Administration
• Experience supporting enterprise infrastructure environments
• Exposure to cloud and virtualisation technologies
• Technical Skills:
• Windows Server Administration
• Linux Administration
• VMware, Hyper-V, or similar virtualisation platforms
• TCP/IP, DNS, DHCP, and networking fundamentals
• LAN/WAN technologies
• Cloud platforms and hybrid infrastructure environments
• Infrastructure security and access management
• Backup and Disaster Recovery solutions
• Advantageous:
• Microsoft Certifications (MCSA/MCSE)
• CompTIA Network+ or Security+
• Cisco CCNA
• PowerShell or Bash scripting
• Monitoring and automation tools
• Additional Requirements:
• Strong troubleshooting and analytical skills
• Excellent attention to detail
• Ability to work independently and collaboratively
• Strong communication and stakeholder management abilities
• Ability to handle multiple priorities in a fast-paced environment