Linux Sysadmin

About us:

1-grid.com is a fast-growing web hosting company in Cape Town with an established customer base, recently acquired by recognized leaders in the Internet services industry. We have the vision and resources to be the market leader in SA in the next 5 years; this vision is supported by an entrepreneurial culture that encourages innovation, collaboration, and top performance.

Job purpose:

The Linux Systems Administrator position fits into the 1-grid technical team who is responsible for automating, securing and maintaining reliable systems and network infrastructure. An emphasis is placed on systems automation, stability and efficiency. 1-grid’s systems and infrastructure include our office and Datacenter environments which house our internal, hosting infrastructure, network and support systems critical for the day to day operation of 1-grid.

Duties and Responsibilities:

Linux System Administration:

• Configure, maintain, and troubleshoot Linux servers (Red Hat, CentOS, Ubuntu) to ensure optimal performance and security.
• Perform regular system updates, patch management, and security hardening.
• Monitor system resource utilization and optimize configurations for efficiency.

Virtualization and Cloud Management:

• Manage and maintain virtualization platforms, including KVM and OpenNebula.
• Provision and manage virtual machines (VMs) and containers as needed.
• Implement high-availability and disaster recovery solutions for virtualized environments.

Scripting and Automation:

• Develop and maintain scripts in Bash and Python to automate routine tasks and streamline system management.
• Create and manage Ansible playbooks for configuration management and deployment.

• Security and Compliance:

• Implement security best practices and monitor system vulnerabilities.
• Perform security audits and apply patches and updates as necessary.
• Ensure compliance with industry standards and regulations.

• Infrastructure Monitoring and Troubleshooting:

• Set up monitoring tools to proactively identify and address system issues.
• Investigate and resolve complex technical problems in a timely manner.

• Collaboration and Documentation:

• Work collaboratively with cross-functional teams to support project requirements.
• Maintain detailed documentation of system configurations, procedures, and troubleshooting steps.

• Capacity Planning and Scaling:

• Assess system performance and capacity requirements, making recommendations for upgrades and scaling as needed.
• Participate in planning and executing infrastructure expansion projects.

Qualifications and Experience:

• Hardware/Networking fundamentals preferably in a datacentre environment (A+/ N+) or similar diploma
• Knowledge of virtualization (Hyper-V/KVM) environments
• Customer support experience
• Must have Hosting experience 
• Basic scripting (Bash, Python) and experience working on the command line
• Valid driver’s license and reliable vehicle