St Hilliers is a trusted contractor of the Department of Defence with extensive experience delivering Defence projects throughout Australia for over 20 years.

We understand the unique contracting environment that comes with delivering projects for the Department of Defence in live operational environments and have mature polices and procedures embedded in our management approach to ensure we strictly meet all requirements

This has culminated in St Hilliers being recognised in 2020 as the 3rd largest Defence SME (Small to Medium Enterprise), 2nd largest ANZ SME, and the 33rd largest Defence contractor overall.

St Hilliers have, and are, working in all forms of Defence operating environments including high security (Zone 4, 5+, SCIF, armories), live environments, expansive sites with concurrent work fronts, multi-sites and design and construct contracts. The nature of the works St Hillers typically delivers for Defence includes:

Capital Facilities Infrastructure

Training Facilities – ranges, UOTF’s, driver training facilities, HIET facilities, simulator facilities, classroom facilities

Explosives processing and storage

Vehicle storage and workshops

Support infrastructure

Fire fighting, communications, water, power

Estate Works Program



Remediation and contamination

Civil infrastructure, roads and fire trails

Safety and compliance upgrades

Security upgrades

Engineering services upgrades

Maintenance facilities

It has been a pleasure working with the collective team at St Hilliers.

Their dedication, drive and customer focus is commendable and without the ongoing support and commitment, we would not be where we are today. Your efforts haven’t gone unnoticed and are genuinely appreciated.

Tracy Wilcox

/ Senior Project Manager

Our Team

Construction Manager Alan O’Kennedy


Alan O’Kennedy Construction Manager

Alan is an experienced Construction Manager with over 10 years in the construction industry. Alan is responsible for the set-up and management of the project team’s performance and attends all key project meetings and reviews. Alan specialises in Health construction works and has the ability to manage works across live operational health facilities and brand new buildings surrounding hospital infrastructure.

Construction Manager Brendan White


Brendan White Construction Manager

Brendan has developed extensive building and civil experience encompassing institutional, industrial, commercial and residential construction as well as earthworks, roads and other infrastructure projects during his 20 years within the industry. He is a self-motivated, innovative and results-driven individual with a solid background in construction management, procurement, planning and programming, quality management and budget control. Recognised for his integrity and strong interpersonal skills, Brendan has the ability to develop positive internal/external relations and establish a rapport with people from a diverse range of cultural backgrounds.

Construction Manager Greg Malenstein


Greg Malenstein Construction Manager

Having worked extensively within the health, aged care and education sectors, Greg leads our specialist and proven education project teams. As Construction Manager, Greg fosters a positive team culture committed to delivering projects to surpass our client expectations. With a proven skillset in design and construct, Greg is able to collaborate with all project stakeholders and industry partners to ensure the innovative design and practical outcomes of our specialist education and health projects.

Construction Manager Matthew Cece


Matthew Cece Construction Manager

Matthew is an experience Construction Manager with over 10 years experience in the construction industry. He has completed multiple projects across a variety of sectors including aged care, health and education. His communication skills will see him responsible for client and subcontractor liaison, as well as overseeing the procurement and letting of subcontractor packages, payment preparation for the head contract and subcontract payments, variation preparation and various other duties as required ensuring the project runs smoothly.

Corporate Support

General Manager Brant Wood


Brant Wood General Manager

As St Hilliers General Manager, Brant brings over 20 years of construction experience to strategically drive a positive and collaborative team. His belief in accountable objectives ensures that his team are able to deliver on what we promise; deliver to our clients; deliver to industry partners; and deliver to our work mates. Additionally, Brant is responsible for the overall operations of the St Hilliers Contracting business, including the formulation, implementation and monitoring of strategic and business plans. Central to this is a commitment to sustainable, long term client and industry partner relationships, while driving continual improvement to deliver efficient and best practice across the business.

National HSE & Systems Manager Geoff O’Shea


Geoff O’Shea National HSE & Systems Manager

Geoff is responsible for the overall management of St Hilliers Health, Safety and Environmental (HSE) Systems and our Integrated Management System which includes ensuring implementation and compliance on all our projects.
As a Federal Safety Commission accredited builder, St Hilliers systems and practices are audited regularly and Geoff manages this process with the relevant projects.

Defence Projects

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Armoured Fighting Vehicles Facilities Program – Stage 1 Puckapunyal Military Area
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Armoured Fighting Vehicles Facilities Program – Stage 1 Lavarack Barracks
View Project
Solar Array at Harts Range
View Project