At Harrison McMillan, our mission is simple: to change lives, one placement at a time. As a trusted recruitment partner to government and industry, we connect exceptional people with opportunities where they can make a genuine impact.
Harrison McMillan is seeking an experienced Senior Infrastructure Engineer with a strong background in ICT capacity management, infrastructure utilisation analysis, and enterprise platform performance optimisation.
This is a long-term 12-month contract with extension options up to 24 months and is based in Canberra, Adelaide, Melbourne, or Brisbane. Hybrid working arrangements apply, with a minimum onsite attendance requirement following an initial office-based period.
Due to the nature of this role, a Negative Vetting Level 1 clearance, or the ability to obtain one, is required.
Key Responsibilities:
Lead infrastructure right-sizing assessments across enterprise platforms.
Develop baseline capacity and utilisation profiles.
Analyse CPU, memory, storage, and network consumption trends.
Deliver capacity planning recommendations and implementation plans.
Coordinate with technical and business stakeholders to validate demand forecasts.
Support governance, reporting, change management, and benefit realisation activities.
Establish and maintain repeatable capacity management processes.
Essential Criteria:
Demonstrated experience in ICT capacity management and infrastructure performance analysis.
Experience with platforms such as VMware, OpenStack, OpenShift, Solaris, Linux, and Windows Server.
Strong stakeholder engagement and technical reporting skills.
Experience with monitoring and analytics tools such as Dynatrace, Elastic, Grafana, or equivalent.
Ability to deliver infrastructure optimisation outcomes balancing cost, performance, and resilience.
Desirable Criteria:
Experience establishing enterprise right-sizing frameworks and governance processes.
Knowledge of demand forecasting and 95th percentile capacity reporting.
Experience supporting automation, monitoring, and self-healing initiatives within large-scale ICT environments.
RFQ Closing Date: Wednesday, 18 November 2026
Apply now or contact the Harrison McMillan team for a confidential discussion.