Network Infrastructure Engineer

You will be joining a high-profile program with a high-profile agency, working on outcomes of national security significance. As a Network Infrastructure Engineer, you will design, implement, integrate, and sustain enterprise virtualisation, compute, backup, and infrastructure management platforms supporting secure customer environments.

Responsibilities:

• Design, build, configure, integrate, and maintain enterprise virtualisation and infrastructure platforms, including VMware vCenter Server, ESXi environments, and HPE compute and storage components.
• Implement and support Commvault backup, recovery, retention, and data protection services, and use VMware Aria or vRealize capabilities for automation, orchestration, monitoring, and capacity management.
• Monitor platform health, capacity, performance, and availability; investigate complex incidents; and deliver patching, upgrades, migrations, and technology refresh activities within controlled environments.
• Apply infrastructure security, hardening, access control, configuration, and change management practices, while maintaining clear technical designs, build guides, support procedures, and configuration records.

Requirements:

• Demonstrated experience designing, implementing, and supporting enterprise infrastructure and virtualisation environments.
• Strong hands-on experience with VMware vCenter Server and ESXi, including highly available clusters, hosts, virtual machines, resource allocation, and platform lifecycle activities.
• Experience implementing or supporting enterprise backup and recovery solutions, preferably Commvault.
• Experience with HPE server, compute, or storage technologies.
• Experience using VMware Aria and/or vRealize products for monitoring, operations, automation, or orchestration.
• Strong troubleshooting, analytical, and root-cause analysis skills across integrated infrastructure environments.
• Sound understanding of infrastructure security, hardening, patching, backup, recovery, monitoring, and configuration management principles, with the ability to produce clear technical designs, implementation plans, and support documentation.
• Ability to collaborate effectively across multidisciplinary teams, engage confidently with technical and non-technical stakeholders, and manage competing priorities in a controlled, mission-focused environment.

Benefits:

• Flex Your Way – Tailor work to your life with options including Life Days (up to 12 extra days off per year), part-time arrangements, job sharing, and compressed hours.
• Wellbeing That Matters – Free access to Headspace and MeQuilibrium, plus dedicated wellness spaces to support your mental, physical, and emotional wellbeing.
• 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, solve complex challenges, and accelerate your career through unique growth opportunities.
• Build Your Future – Whether you're deepening technical expertise or preparing for leadership, we'll invest in your development every step of the way.