Senior Systems Administrator

Placements24; Benoni; Hybrid; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Competitive salary and benefits

Professional development & certs

Supportive and collaborative team

Exposure to diverse IT infra

Generous paid time off

Retirement savings plan

Job summary

Placements24 is seeking a Senior Systems Administrator in Benoni, Gauteng to manage the IT infrastructure. You will maintain Windows and Linux servers, manage VMware vSphere and Hyper‑V, and administer AD/DNS/DHCP. The role focuses on uptime, security, and efficient operations across the Gauteng IT department.

Ideal candidates have 5+ years in systems administration, strong scripting (PowerShell/Bash), and hands-on virtualization expertise. A proactive, collaborative approach is essential.

Qualifications

• Bachelor's degree in CS/IT or equivalent experience.
• 5+ years in systems administration with Windows/Linux.
• Strong AD, DNS, DHCP and group policy experience.
• Proven virtualization experience (VMware/Hyper‑V).
• Solid scripting knowledge (PowerShell/Bash).

Responsibilities

• Install, configure, and maintain Windows and Linux servers.
• Manage virtualization platforms (VMware vSphere, Hyper‑V).
• Administer AD, DNS, DHCP, and core network services.
• Implement backup and disaster recovery solutions.
• Monitor performance and troubleshoot for uptime.
• Enforce security policies and patch management.
• Manage user accounts and access rights.
• Document configurations and troubleshooting guides.

Skills

Windows Server

Linux systems

PowerShell/Bash

VMware vSphere

Hyper-V

Active Directory

DNS/DHCP

Security hardening

Troubleshooting

Communication

Education

Bachelor's degree in Computer Science or Information Technology

Tools

VMware vSphere

Microsoft Hyper‑V

Backup/recovery software

Job description

About the Role

Our client, a growing IT services company, is seeking a highly skilled Senior Systems Administrator to manage and maintain their IT infrastructure in **Benoni, Gauteng**. This role is crucial for ensuring the smooth operation, security, and performance of servers, networks, and related systems. You will be responsible for system installation, configuration, maintenance, and troubleshooting, as well as implementing best practices for system administration. The ideal candidate is proactive, possesses strong technical skills across various operating systems and virtualization technologies, and is committed to providing exceptional IT support. Join our client in **Benoni** and play a key role in their operational excellence.

Key Responsibilities

• Install, configure, and maintain Windows and Linux server environments.
• Manage virtualization platforms such as VMware vSphere or Microsoft Hyper‑V.
• Administer Active Directory, DNS, DHCP, and other core network services.
• Implement and manage backup and disaster recovery solutions.
• Monitor system performance and troubleshoot issues to ensure optimal uptime.
• Develop and enforce security policies and procedures for servers and systems.
• Manage user accounts, permissions, and access rights.
• Perform regular system updates, patching, and vulnerability management.
• Provide technical support and guidance to end-users and IT staff.
• Document system configurations, procedures, and troubleshooting guides for the **Gauteng** IT department.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent work experience.
• 5+ years of experience in systems administration.
• Strong proficiency with Windows Server and Linux operating systems (e.g., Ubuntu, CentOS).
• Hands‑on experience with virtualization technologies (VMware, Hyper‑V).
• Experience managing Active Directory, Group Policy, DNS, and DHCP.
• Knowledge of network protocols and troubleshooting tools.
• Experience with scripting languages such as PowerShell or Bash.
• Familiarity with cloud platforms (AWS, Azure) is a plus.
• Excellent problem‑solving and analytical skills.
• Strong communication and interpersonal skills for effective collaboration in **Benoni**.
• Ability to work independently and manage priorities effectively.
• Experience with backup and recovery software.

Benefits

• Competitive salary and benefits package.
• Opportunities for professional development and certifications.
• A supportive and collaborative work environment.
• Exposure to diverse IT infrastructure and technologies.
• The chance to contribute to the stability and efficiency of IT operations in **Benoni, Gauteng**.
• Generous paid time off.
• Retirement savings plan.