With a consulting-led approach, and established presence in the Australian Defence and National Security eco-system, we are a trusted supplier with proven experience and credentials.

A proven approach from trusted consultants & technology experts

With an in-depth knowledge of managing governance, risk and assurance across Defence and National Security, we understand the challenge in aligning and maintaining an organisation's efforts to achieve strategic and operational objectives. 

Our team of experienced and security cleared consultants, architects and software developers deliver enduring client outcomes by working with our clients to co-design, deploy and integrate powerful software solutions as part of our unique consulting and transformation solution set. 

Over the years we've built up a suite of unique technologies and accelerators. These we blend with other industry best software to tailor solutions that enable a faster time to delivery. 

For client and country

At Mentum Systems we value our client's roles in keeping Australia safe. We appreciate and respect the gravity and significance of what they do and take seriously our part in supporting them. This worthy purpose fuels our genuine desire to find better ways to help manage complex governance, risk and assurance challenges. We are firm in our commitment to each other, to our clients and to our country. 

Meet our key people

Petar Bielovich
Petar Bielovich
General Manager

Petar has an impressive history in consulting and leadership positions and heads up Mentum Systems. Petar has over 20 years’ experience in Professional Services during which he has led the integration of ideas, people, strategies, processes and technology. Working for PwC, IBM, Acularo and now Mentum Systems, he has worked across the industries of Defence and National Security, industrial products, consumer products, banking, professional services and Government, in South Africa, the USA and Australia.

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Mark Linkson
Mark Linkson
Chief Technology Officier

As CTO, Mark leads technical delivery for client projects and Mentum Systems’ product innovation. With an IT career spanning over twenty-five years, Mark has industry experience in ICT, Defence and National Security, telecommunications, legal, professional services, law enforcement, and Government. Mark has a unique and engaging manner and is highly skilled in understanding clients’ needs. His professional approach to system architecture and proven ability to develop and lead high performing technical teams consistently leads to successful outcomes.

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Alex Bouma
Alex Bouma
Group Chief Executive

With over 25 years of experience in applying smart technology to businesses across the globe, Alex is our Chief Executive and responsible for driving a growth strategy for Mentum System’s parent company, the Optimation Group, which includes companies across New Zealand and Australia. Alex’s experience spans multiple industries from Government and Defence to the private sector. He has a special focus on the wider Justice Sector eco-system as part of Optimation Group’s key relationship with NZ Corrections. Alex was formerly an executive at HP for 14 years, with his last role there running Global Delivery of Application Services across Australia and NZ into India, The Philippines and China.

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George Rooks
George Rooks
Client Director

George, as Client Director, is focused on supporting clients across National Security, Corrective Services and the Defence Sector. After nearly 25 years in Defence, George has developed extensive experience in the Australian and New Zealand Corrective Services market where he previously held the role of COO/Director Care and Justice for G4S across in Australian and New Zealand. George was an officer in the New Zealand Defence Force, including serving as a Military Attaché in Canberra. As a practising Project Director, George brings a wealth of consulting, leadership, and program management skills to the team.

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Specialist sector expertise

We’re a business that’s grown up in the sector. Over time we’ve built a depth of knowledge and insights around managing governance, risk and assurance across Defence and National Security that few, if any, come close to matching. Our team of experienced and security cleared consultants deliver enduring client outcomes by designing, deploying and integrating powerful software.

Part of the Optimation Group

Mentum Systems is an Australian registered company and also part of the Optimation Group, a large Trans-Tasman, multi-million dollar group of specialist technology companies. Our group’s proven track record of working on large IT projects and solutions for big players across Australasia, means we know intimately what it takes to deliver at all scales of size and complexity. Other Group companies are Optimation and Presto Resourcing.

“The real big benefit Mentum Systems brings to the table is being able to articulate the way the business works in a really straightforward way that I’ve never seen anybody else be able to do.“

AIRCDRE (Retd), Royal Australian Air Force, former Director General Strategy & Planning – AF

“IMMS is used to present a shared and dynamic view of risk to Navy and our own business units. IMMS captures key data and provides visibility of sustained risk reduction activity relating to achieving capability outcomes.“

Rear Admiral Adam Grunsell, Head of Maritime Systems, CASG