Senior Systems Administrator (Infrastructure Engineer)

Lead the installation, configuration, maintenance, and lifecycle management of enterprise infrastructure and platforms.

Manage and optimise Linux-based systems across on-premises and cloud environments.

Design, deploy, and administer VMware and VMware Aria environments.

Develop and maintain infrastructure automation and configuration management using modern tooling and best practices.

Deploy and support Kubernetes, Docker, and virtualised environments across multiple platforms.

Configure, troubleshoot, and maintain networking components, including VLANs, DNS, load balancers, and firewall rules.

Deploy developer and analyst tooling, including IDEs, package management solutions, and access controls.

Build and maintain isolated or sandboxed environments for secure testing and analysis.

Collaborate with system administrators, software developers, and technical stakeholders to improve infrastructure performance and operational processes.

Mentor team members, contribute to technical design reviews, and provide expert advice on infrastructure solutions.

Extensive experience in Linux systems administration across both on-premises and cloud environments.

Strong expertise in VMware and VMware Aria, including design, deployment, administration, and lifecycle management.

Hands-on experience with containerisation technologies such as Docker and Kubernetes.

Solid networking knowledge, including configuring and troubleshooting VLANs, DNS, load balancers, and firewall rules.

Experience deploying developer environments, package management tools, and implementing secure access controls.

Demonstrated experience designing and supporting sandboxed or isolated environments.