Hire Resolve's client is looking for a highly skilled and experienced Senior Systems/Network Administrator to join their team in Centurion, EC. The ideal candidate will have extensive hands‑on experience with both Linux and Windows environments, advanced networking, virtualization, storage solutions, and system clusters. This role demands technical expertise, a strong troubleshooting mindset, and the ability to work independently with minimal supervision. Attention to detail is essential, along with a holistic understanding of all interconnected components.

Responsibilities:

Linux Systems Administration

• Expert‑level administration of Debian‑based distributions (Ubuntu) and RedHat derivatives (Alma, Rocky).

• Provisioning and configuring servers, clusters, laptops, and other devices via the CLI.

• Installation and configuration of LOB (Line‑of‑Business) applications manually—config files (YAML, JSON...