Senior Telecom Systems Administrator: Mission-Critical Infra

Placements24; Randburg; On-site; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Medical aid

Provident fund

Training & certifications

Career advancement

Annual leave

Job summary

Placements24 is seeking a Senior Systems Administrator to lead the management of critical IT infrastructure in Randburg. You will design, implement, maintain, and troubleshoot complex server environments, ensuring security and high availability across Windows and Linux ecosystems.

The role requires hands-on virtualization expertise (VMware/Hyper-V), robust backup and disaster recovery planning, and strong scripting for automation.

Qualifications

• Bachelor's degree or equivalent practical experience in Computer Science, IT, or related field.
• Minimum 5 years of Systems Administrator experience with server environments.
• Proven expertise in Windows Server and Linux administration; virtualization experience essential.

Responsibilities

• Install, configure, and maintain server hardware and operating systems (Windows Server, Linux).
• Oversee performance, reliability, and security of server infrastructure.
• Manage virtualization platforms (VMware, Hyper-V).
• Develop and execute backup and disaster recovery strategies.
• Monitor system performance and implement optimizations.
• Manage user accounts, permissions, and access controls.
• Apply regular system patching for security and stability.
• Troubleshoot complex hardware, software, and network issues.
• Document configurations, procedures, and troubleshooting steps.
• Collaborate with network engineers for seamless operation.
• Participate in on-call rotation for urgent support.

Skills

Windows Server

Linux

Virtualization

Backup & DR

Networking

PowerShell

Bash

AWS/Azure

Communication

Teamwork

Education

Bachelor's degree in Computer Science or IT

Tools

Veeam

Commvault

Job description

Placements24 is seeking a Senior Systems Administrator to lead the management of critical IT infrastructure in Randburg. You will design, implement, maintain, and troubleshoot complex server environments, ensuring security and high availability across Windows and Linux ecosystems.

The role requires hands-on virtualization expertise (VMware/Hyper-V), robust backup and disaster recovery planning, and strong scripting for automation.