Senior Systems Administrator

Placements24; LegKraal Gate; Hybrid; ZAR 650,000 - 900,000; Full time

Benefits offered by this job

Competitive salary

Remote work flexibility

Health insurance

Professional development and certs

Access to remote work tools

Job summary

Placements24 is seeking a Senior Systems Administrator for a remote-first role serving clients in South Africa. You will manage servers, networks, virtualization, and cloud platforms, ensuring uptime, security, and performance.

The position emphasizes autonomie, design, implementation, and proactive problem-solving. The ideal candidate brings 5+ years in systems administration, strong Windows and Linux skills, and experience with virtualization and cloud services.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field, or equivalent professional experience.
• 5+ years of experience in systems administration with server and network management.
• Proficiency with Windows Server and Linux administration.
• Solid understanding of networking protocols (TCP/IP, DNS, DHCP) and firewall management.
• Experience with virtualization platforms and cloud computing services.
• Strong scripting skills (PowerShell, Bash) and monitoring tools.

Responsibilities

• Install, configure, manage, and maintain server operating systems (Windows Server, Linux).
• Administer network infrastructure including routers, switches, firewalls, and VPNs.
• Implement and manage virtualization technologies (VMware, Hyper-V) and cloud platforms (AWS, Azure).
• Develop and implement backup, disaster recovery, and business continuity plans.
• Monitor system performance, identify issues, and implement proactive solutions for high availability.
• Provide technical support and troubleshooting for complex system and network issues.

Skills

Windows Server

Linux Admin

Networking

PowerShell

Bash

Monitoring

Education

Bachelor's degree in CS/IT

Tools

VMware

Hyper-V

AWS

Azure

Job description

About the Role

Our client is seeking a highly experienced Senior Systems Administrator to manage and maintain their IT infrastructure in a remote-first environment. This role is critical for ensuring the stability, security, and optimal performance of our client's servers, networks, and associated systems. You will be responsible for system design, implementation, and troubleshooting, working proactively to prevent issues and ensure business continuity. The ideal candidate possesses a deep technical knowledge across various operating systems and network technologies, coupled with excellent problem-solving skills and the ability to work autonomously.

Key Responsibilities

• Install, configure, manage, and maintain server operating systems (Windows Server, Linux) and related services.
• Administer network infrastructure, including routers, switches, firewalls, and VPNs, ensuring network security and performance.
• Implement and manage virtualization technologies (e.g., VMware, Hyper-V) and cloud platforms (e.g., AWS, Azure).
• Develop and implement backup, disaster recovery, and business continuity plans.
• Monitor system performance, identify potential issues, and implement proactive solutions to ensure high availability.
• Provide technical support and troubleshooting for complex system and network issues, resolving incidents efficiently.
• Manage user accounts, permissions, and access controls, ensuring adherence to security policies.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent professional experience.
• 5+ years of experience in systems administration, with a strong focus on server and network management.
• Proficiency with Windows Server and Linux administration.
• Solid understanding of networking protocols, TCP/IP, DNS, DHCP, and firewall management.
• Experience with virtualization platforms and cloud computing services.
• Strong scripting skills (e.g., PowerShell, Bash) and experience with monitoring tools.

Benefits

• Competitive salary with remote work flexibility.
• Comprehensive health, dental, and vision insurance plans.
• Generous paid time off and opportunities for professional development and certifications.
• Access to state-of-the-art remote work tools and support.
• A dynamic and collaborative team culture that values expertise and autonomy.