Systems Administrator

📍 Sydney | Hybrid

About Sharon AI

Sharon AI is building the infrastructure powering the next generation of artificial intelligence.

Operating across AI infrastructure, high-performance compute, cloud platforms and large-scale technology environments, Sharon AI delivers scalable, secure and reliable compute solutions for demanding AI, ML and HPC workloads.

The Role

As a System Administrator, you’ll play a hands-on role in supporting the performance, reliability and availability of Sharon AI’s large-scale CPU and GPU infrastructure across Australian data centres.

Working across both physical and virtual environments, you’ll be involved in everything from racking and maintaining hardware through to Linux administration, virtualisation, Kubernetes, networking, storage and system optimisation. This is a broad technical role suited to someone who enjoys solving complex problems and working across the full infrastructure stack.

Key Responsibilities

• Administer, maintain and troubleshoot Linux-based production environments
• Rack, stack and cable servers, networking and storage equipment within data centres
• Manage KVM/libvirt virtualisation platforms and compute workloads
• Deploy and support containerised applications and Kubernetes clusters
• Configure and maintain networking infrastructure, including DNS, routing and firewalls
• Manage high-speed and clustered storage environments
• Diagnose and resolve hardware issues across servers, GPUs, networking and storage
• Apply security patches, system updates and configuration standards
• Monitor infrastructure health, troubleshoot performance issues and support site reliability
• Maintain secure environments, including PKI/TLS and encryption standards
• Contribute to continuous improvement and optimisation of compute environments

Skills & Experience

• 2+ years’ experience in systems administration, cloud infrastructure or technical operations
• Strong foundational knowledge across Linux, networking, virtualisation and hardware
• Experience working with physical infrastructure and data centre environments
• Exposure to Kubernetes, containers and virtualisation technologies
• Strong troubleshooting and problem-solving capabilities
• Tertiary qualification in IT, Computer Science, Engineering or a related discipline is preferred
• Experience within high-performance computing, cloud or large-scale infrastructure environments is advantageous
• Relevant certifications such as RHCSA, CKA, AWS or Azure are advantageous
• Strong communication skills and the ability to collaborate effectively across technical teams
• A proactive, curious and adaptable approach to learning and solving problems

Why Join Sharon AI

• Work directly with large-scale CPU and GPU infrastructure powering AI workloads
• Gain exposure across the full infrastructure and technology stack
• Join a fast-growing AI infrastructure business at an exciting stage of its growth
• Work alongside a highly technical and collaborative team
• Have the opportunity to contribute to new technologies, infrastructure and ways of working

Our Values

Integrity | Innovation | Collaboration | Wellbeing | Inclusion