Infrastructure Engineer (Windows & Linux, VMware/Virtuozzo, Proxmox) (JHB Onsite) Gauteng

Datafin Recruitment is actively recruiting for a Infrastructure Engineer (Windows & Linux, VMware/Virtuozzo, Proxmox) (JHB Onsite) position in Gauteng. This is an excellent opportunity for professionals in the Data / Business / Analysis / Ai sector looking to advance their careers.

• Experience Level: Not Specified • Educational Background: Others or equivalent • Industry Focus: Data / Business / Analysis / Ai • Location Preference: in Gauteng

The Infrastructure Engineer (Windows & Linux, VMware/Virtuozzo, Proxmox) (JHB Onsite) position is an important role within the Data / Business / Analysis / Ai sector, offering meaningful career development and professional growth opportunities.

This role in Data / Business / Analysis / Ai offers valuable career progression opportunities aligned with your experience level and professional aspirations.

When applying for this Infrastructure Engineer (Windows & Linux, VMware/Virtuozzo, Proxmox) (JHB Onsite) position, ensure your CV highlights: • Relevant experience matching the Not Specified requirement • Educational qualifications in line with Others • Specific achievements in the Data / Business / Analysis / Ai field • Any certifications or specialized training

The Data / Business / Analysis / Ai sector in South Africa continues to show strong demand for skilled professionals. This position represents a valuable opportunity in the current job market.

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A South African cloud services provider seeks the technical expertise of an Infrastructure Engineer to fill a hands-on role where you will monitor, maintain, and troubleshoot the systems that keep its infrastructure running. You will check VMware, Virtuozzo and Proxmox cluster health, host status, datastore usage, and alerts; support Windows Server and Linux servers; escalate critical backup failures while diagnosing and repairing server and switch hardware faults. The ideal candidate must have practical experience across virtualization, backups, networking, and server administration in a live enterprise environment. You also need to be familiar with DNS, routing, firewalls, VPNs & comfortable working in a data center environment, including physical hardware work — rack/stack, cabling, connectors (DAC, SFP, fibre, QSFP), and component-level repairs (drives, servers, switches).

Daily Operations & Monitoring –

Check VMware, Virtuozzo and Proxmox cluster health, host status, datastore usage, and alerts. Review status and failures across Acronis Cyber Infrastructure, Cohesity, NSX-T, and vCloud. Review LogicMonitor / PagerDuty alerts. Monitor storage systems for capacity and performance issues. Monitor firewalls for alerts, VPN status, and interface health.

Infrastructure Support –

Provision and manage virtual machines in VMware, Virtuozzo and Proxmox. Perform basic troubleshooting on hypervisor hosts and clusters. Support Windows Server and Linux servers. Assist with network troubleshooting (DNS, routing, NIC placement).

​​​​​​​Backups –

Monitor Acronis and Cohesity backup jobs and resolve failures. Perform test restores (files, VMs, full systems). Validate backup integrity and report issues. Escalate critical backup failures.

​​​​​​​Network Support –

Monitor firewalls and security alerts. Assist with VPN user troubleshooting (IPSec VPN, OA, PAS). Verify firewall rules and NAT configurations. Check WAN links and resolve basic connectivity issues.

​​​​​​​Patching & Maintenance –

Review and apply Windows updates and Linux patches. Assist with VMware, Virtuozzo and Proxmox host patching (under supervision). Perform firmware updates on infrastructure hardware (under supervision). Execute routine maintenance (reboots, cleanup tasks).

​​​​​​​Hardware & Physical Infrastructure –

Install, configure, and maintain HCI nodes. Work with networking cabling and connectors, including DAC cables, SFP, fibre, and QSFP transceivers. Diagnose and repair server and switch hardware faults. Replace failed drives and other hardware components. Support rack/stack, cabling, and physical hardware installations.

​​​​​​​Incident Response –

Handle escalations from the VPS team. Troubleshoot VM performance issues. Investigate backup failures and storage alerts. Escalate to Senior Engineers with proper diagnostics when required.

​​​​​​​Project Assistance –

Assist with VM migrations (VMware/Proxmox/Virtuozzo). Support infrastructure deployments and upgrades. Help with rack/stack, cabling, and initial hardware configuration.

Some hands-on exposure to VMware/Virtuozzo, Proxmox, or similar virtualization platforms. Good understanding of Windows Server and Linux administration. Familiarity with networking fundamentals (DNS, routing, firewalls, VPNs). Comfortable working in a data center environment, including physical hardware work — rack/stack, cabling, connectors (DAC, SFP, fibre, QSFP), and component-level repairs (drives, servers, switches).

​​​​​​​Advantageous –

Exposure to backup/DR concepts and tools (Acronis, Cohesity, or similar).

Strong troubleshooting mindset and willingness to learn. Good documentation habits and clear communication skills.