Requirements

Strong Linux administration skills, including package management, filesystems, permissions, and networking
Strong troubleshooting skills across logs, CPU, memory, I/O and network performance
Understanding of CI/CD pipelines for OS image creation
Python scripting skills, with the ability to make safe changes to internal tooling
Strong understanding of security best practice, with judgment to balance risk and practical requirements
Experience with monitoring and dashboards, using data to assess system health
Experience with OpenStack and Ironic for bare metal and VM provisioning at scale
Understanding of hardware provisioning and lifecycle, including BMC and lights-out management
Experience supporting technical users in a live environment
Excellent communication skills, with ability to set expectations and explain technical trade-offs
A calm, methodical approach to incidents and escalation

What you'll be doing

Maintaining the OS image build pipeline using Dagger, Packer, Jenkins and Bash
Operating and developing Python-based provisioning tooling across OpenStack and Ironic, troubleshooting bare metal and VM provisioning issues
Managing estate security, including certificate lifecycle, vulnerability remediation and patching
Managing changes through testing, staged rollouts, communications and rollback where required
Monitoring estate health, availability and patching, maintaining dashboards and resolving configuration issues
Providing user support, resolving requests and incidents escalated from first line
Supporting joiner, mover and leaver processes in partnership with HR and hiring managers
Managing hardware provisioning and lifecycle, including diagnostics, firmware, warranties and RMAs
Contributing to capacity planning across physical and virtual resources
Supporting incident response and driving remedial actions through to completion
Escalating complex issues to Linux Engineering and other teams with a clear technical diagnosis