Job Description

Job Summary Our client in the IT Industry is looking for a Senior Systems Administrator to join the team in Johannesburg North.Requirements:

• Bachelors degree in Computer Science, Information Technology, or a related field, or equivalent work experience.
• Relevant certifications such as Linux Professional Institute Certification (LPIC) or Microsoft Certified: Azure Administrator Associate are advantageous.

Desired Skills:

• Minimum 8 years of experience in an enterprise IT environment.
• Strong expertise in Linux and Windows system administration, including installation, configuration, and troubleshooting.
• Proficiency in managing Azure cloud services and resources, including VMs, storage, networking, and security.
• Hands-on experience with hypervisor technologies like VMware, Hyper-V, and Proxmox.
• Solid understanding of networking concepts and protocols (TCP/IP, DNS, DHCP, VPN, etc.).
• Familiarity with scripting languages (e.g., Bash, PowerShell, Python) for automation.
• Experience with configuration management tools (e.g., Ansible, Puppet, Chef) is a plus.
• Knowledge of containerization technologies (e.g., Docker, Kubernetes) is desirable.

Duties and Responsibilities:1. Linux and Windows System Administration:

• Install, configure, and maintain Linux and Windows servers and workstations.
• Manage user accounts, permissions, and file systems on both platforms.
• Conduct regular system monitoring, troubleshooting, and performance tuning.
• Perform security audits and implement measures to protect systems and data.
• Develop and maintain system documentation, including configuration and troubleshooting guides.

2. Azure Cloud Management:

• Deploy, configure, and manage virtual machines and other Azure resources.
• Monitor cloud infrastructure to ensure high availability, performance, and security.
• Implement and manage virtual networks, subnets, and network security groups.
• Create and manage Azure Resource Manager (ARM) templates for automation.
• Ensure effective backup, disaster recovery, and business continuity strategies for cloud systems.

3. Hypervisor Management:

• Install, configure, and maintain hypervisor platforms, particularly Proxmox.
• Manage virtual machines, templates, snapshots, and virtual networks.
• Optimize and monitor the performance and resource allocation of hypervisors.
• Implement and manage high availability and fault tolerance features within hypervisor platforms.

4. Network Administration:

• Configure and maintain network devices, including routers, switches, and firewalls.
• Troubleshoot network connectivity issues and optimize overall network performance.
• Implement and maintain VPN connections and remote access solutions.
• Monitor and manage network security, including intrusion detection and prevention systems.

5. System Monitoring and Performance:

• Deploy and maintain proactive monitoring tools and systems for alerting and issue detection.
• Analyze performance data, identify bottlenecks, and optimize system resources.
• Perform capacity planning to ensure infrastructure scalability in line with business requirements.
• Collaborate with development teams to optimize infrastructure performance for applications.

6. Documentation and Collaboration:

• Create and maintain technical documentation, including configurations, procedures, and troubleshooting guides.
• Collaborate with cross-functional teams to provide technical support and solutions.
• Participate in on-call rotations and respond to system emergencies in a timely manner.
• Stay current with industry trends, emerging technologies, and best practices in system administration, cloud computing, and virtualization.

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