Linux Sysadmin

2 weeks ago

Cape Town, South Africa 1-grid Full time

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 five 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 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 day‑to‑day operation. Duties and Responsibilities Configure, maintain, and troubleshoot Linux servers (Red Hat, Cent OS, 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 and containers as needed. Implement high‑availability and disaster recovery solutions for virtualised environments. Scripting and Automation Develop and maintain scripts in Bash and Python to automate routine tasks. 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. 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. Participate in planning and executing infrastructure expansion projects. Qualifications and Experience Hardware/Networking fundamentals, preferably a diploma in a datacentre environment. Knowledge of virtualization (KVM / Hyper‑V) environments. Customer support experience. Hosting experience. Basic scripting (Bash, Python) and command‑line experience. Valid driver’s licence and reliable vehicle. Benefits We pay 100% of your medical aid. Retirement Annuity – up to 5% co‑contribution. #J-18808-Ljbffr

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