Senior System Administrator

Placements24; Upington; On-site; ZAR 420,000 - 600,000; Full time

Benefits offered by this job

Competitive salary

Professional development

Health & retirement benefits

Job summary

Placements24 is seeking a Senior System Administrator to manage and secure the IT infrastructure in Mahikeng. You will install, configure, and maintain Windows Server and Linux environments, manage virtualization, and ensure high availability and security across servers, networks, and related systems.

The role requires 5+ years of hands-on experience, strong scripting skills, and excellent problem-solving and communication abilities.

Qualifications

• Bachelor's degree or equivalent work experience.
• 5+ years in system or network administration.
• Strong Windows Server and Linux experience.
• Experience with TCP/IP, DNS, DHCP, VPNs.
• Familiarity with virtualization and scripting is a plus.
• Excellent problem-solving and communication skills.

Responsibilities

• Install, configure, and maintain server hardware and operating systems (Windows Server, Linux).
• Manage network infrastructure, including routers, switches, firewalls, and VPNs.
• Monitor system performance and implement proactive solutions to maximize uptime.
• Implement and manage backup and disaster recovery solutions.
• Ensure security through patching and vulnerability assessments.
• Provide tech support and document configurations and procedures.

Skills

Windows Server

Linux

Networking

Scripting

Troubleshooting

Education

Bachelor's degree in CS/IT or equivalent

Tools

VMware

Hyper-V

PowerShell

Bash

Job description

About the Role

Our client is seeking a highly skilled and experienced Senior System Administrator to manage and maintain their IT infrastructure in Mahikeng . This role is critical for ensuring the smooth operation, reliability, and security of all server systems, networks, and related technologies. You will be responsible for system installation, configuration, troubleshooting, and performance tuning. The ideal candidate is proactive, detail-oriented, and possesses a deep understanding of server operating systems, network protocols, and security best practices, contributing to a stable and efficient technological environment.

Key Responsibilities

• Install, configure, and maintain server hardware and operating systems (Windows Server, Linux).
• Manage network infrastructure, including routers, switches, firewalls, and VPNs.
• Monitor system performance, identify potential issues, and implement proactive solutions to ensure optimal uptime.
• Implement and manage backup and disaster recovery solutions.
• Ensure the security of the IT infrastructure through regular patching, vulnerability assessments, and security best practices.
• Provide technical support and troubleshoot issues for end-users and other IT staff.
• Document system configurations, procedures, and troubleshooting steps.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent work experience.
• 5+ years of experience in system administration or network administration.
• Strong proficiency in managing Windows Server and Linux environments.
• Experience with network configuration and management, including TCP/IP, DNS, DHCP, and VPNs.
• Knowledge of virtualization technologies (e.g., VMware, Hyper‑V).
• Familiarity with scripting languages (e.g., PowerShell, Bash) is a plus.
• Excellent problem-solving and communication skills.

Benefits

• Competitive salary and performance-based bonus opportunities.
• Comprehensive health and retirement benefits.
• Opportunities for professional development and obtaining relevant certifications.
• Stable and supportive work environment in Mahikeng .
• Direct impact on the operational efficiency and reliability of critical IT systems.