Senior Systems Administrator - Cloud & On-Prem

Placements24; Sandton; On-site; ZAR 900,000 - 1,400,000; Full time

Benefits offered by this job

Performance incentives

Medical aid & retirement fund

Professional development

Modern IT infrastructure

Stable work environment

Job summary

Placements24 in Sandton seeks a Senior Systems Administrator to manage a hybrid IT environment spanning cloud and on‑premises systems. You will ensure stability, security, and performance of servers, networks, and related infrastructure while driving improvements across virtualization, backup, and DR practices.

The role demands strong troubleshooting, proactive problem solving, and experience with Windows Server, Linux, and scripting for automation.

Qualifications

• 5+ years of experience in systems administration across cloud and on‑prem environments.
• Proficiency with Windows Server and Linux operating systems.
• Automation scripting experience with PowerShell or Bash is desirable.

Responsibilities

• Install, configure and maintain server hardware and operating systems (Windows Server, Linux).
• Manage and monitor cloud infrastructure services on AWS or Azure.
• Administer network devices (routers, switches, firewalls) for stability and security.
• Implement and manage virtualization technologies (VMware or Hyper‑V).
• Develop and implement backup and disaster recovery strategies for business continuity.
• Provide technical support, troubleshoot issues and resolve incidents promptly.
• Manage user accounts, permissions, and access rights.

Skills

Windows Server

Linux

AWS

Azure

Networking

VMware

Hyper-V

PowerShell

Bash

Education

Bachelor's degree in Information Technology or Computer Science

Tools

Windows Server

Linux

AWS

Azure

VMware

Hyper-V

Job description

About the Role

Our client is looking for an experienced Senior Systems Administrator to manage and maintain their hybrid IT infrastructure in Sandton . This role requires a deep understanding of both cloud environments (AWS/Azure) and on-premises systems. You will be responsible for ensuring the stability, security, and performance of servers, networks, and related infrastructure. The ideal candidate is proactive, possesses strong troubleshooting skills, and is adept at managing complex IT systems in a business‑critical environment.

Key Responsibilities

• Install, configure, and maintain server hardware and operating systems (Windows Server, Linux).
• Manage and monitor cloud infrastructure services on platforms like AWS or Azure.
• Administer network devices, including routers, switches, and firewalls, ensuring network stability and security.
• Implement and manage virtualization technologies such as VMware or Hyper‑V.
• Develop and implement backup and disaster recovery strategies to ensure business continuity.
• Provide technical support, troubleshoot system issues, and resolve incidents in a timely manner.
• Manage user accounts, permissions, and access rights.

Requirements

• Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent experience.
• 5+ years of experience in systems administration, with exposure to both cloud and on-premises environments.
• Proficiency in managing Windows Server and Linux operating systems.
• Experience with cloud platforms (e.g., AWS, Azure ), including IaaS and PaaS services.
• Strong understanding of networking protocols, TCP/IP, DNS, DHCP, and VPNs.
• Experience with scripting languages (e.g., PowerShell, Bash) for automation is highly desirable.

Benefits

• Competitive salary and performance‑based incentives.
• Comprehensive medical aid and retirement fund options.
• Opportunities for professional development and certifications.
• Access to modern IT infrastructure and tools.
• A stable and supportive work environment within a reputable organization.