Senior Platform Engineer, Operating System SME

We are seeking a Senior Platform Engineer, Operating System SME to join our Civil Digital Modernisation business. As a Senior Platform Engineer, you will be responsible for the implementation, sustainment, and continuous improvement of enterprise Windows Server and Red Hat Enterprise Linux Standard Operating Environments.

The role works closely with Windows and Unix engineering teams to develop, test, deploy, maintain, and govern secure and supportable operating system builds. This includes operating system lifecycle planning, patching, security hardening, configuration management, automation, vulnerability remediation, monitoring, upgrades, and end-of-support management.

Key responsibilities:

• Lead the development, testing, implementation, and maintenance of Standard Operating Environments for Microsoft Windows Server and Red Hat Enterprise Linux
• Maintain secure and supportable operating system platforms through security hardening, configuration management, patch assessment and deployment, vulnerability remediation, upgrades, and end-of-support planning
• Coordinate with infrastructure, application, database, storage, network, backup, identity, and monitoring specialists to ensure operating system builds meet compatibility, performance, security, recovery, and end-to-end service requirements
• Improve consistency and efficiency through automation of operating system provisioning, configuration, validation, patching, compliance checking, health checks, and reporting
• Provide technical leadership for complex Windows and Red Hat incidents, root-cause analysis, monitoring, performance, and capacity management, backup and recovery, resilience, change activities, and vendor escalations

Requirements:

• Experience implementing, maintaining, and supporting enterprise Microsoft Windows Server and Red Hat Enterprise Linux environments
• Practical Windows Server capability across areas such as Group Policy, Active Directory integration, PowerShell, patching, security baselines, event logging, and performance monitoring
• Red Hat Enterprise Linux experience including package and repository management, systemd, SELinux, identity integration, shell scripting, patching, and logging
• Understanding of operating system security hardening, vulnerability remediation, privileged access, identity and access management, and secure configuration
• Experience automating operating system management using tools such as PowerShell, Bash, Python, Ansible, Red Hat Satellite, or Azure Automation

Benefits:

• Flex Your Way – Tailor work to your life with options including Life Days, part-time arrangements, job sharing, and compressed hours
• Wellbeing That Matters – Free access to Headspace and MeQuilibrium, plus dedicated wellness spaces
• Learn Without Limits – Access over 120,000 on-demand courses, alongside technical, project management, leadership, and professional development opportunities
• Work That Makes an Impact – Contribute to nationally significant projects that matter
• Build Your Future – Invest in your development every step of the way