We deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 38,000 people worldwide with customers in more than 80 countries and operations in over 29 countries.

KBR is proud to work with its customers across the globe to provide technology, value‑added services, and long‑term operations and maintenance services to ensure consistent delivery with predictable results. At KBR, We Deliver.

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Learn more about KBR in Australia

KBR in Australia

With over 65 years working on some of Australia’s largest and most complex projects, KBR has unmatched experience supporting the nation’s critical infrastructure, energy transition and national security priorities. KBR has around 2,000 employees throughout Australia, who are focused on delivering innovative technology and engineering solutions for a safer, more secure and sustainable future.

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

The Opportunity

This is a unique chance to contribute to the LAND 4140 Land C4 Modernisation Project, delivering next‑generation Command, Control, Communications and Computing (C4) capability to the Australian Defence Force.

LAND 4140 is modernising critical systems across the Tactical Communications Network (TCN), Battlefield Telecommunications Network (BTN), Battlefield Management System (BMS), and Deployable Information Environment (DIE), enhancing operational decision‑making and mission effectiveness.

As a Cyber Security Consultant, you will operate within the Land C4 Systems Branch, embedded in the Communications Delivery Team, supporting the delivery of secure,



resilient and compliant capability into the Joint Land Force. You will work in a complex, fast‑paced Defence environment, applying critical thinking and expert judgement to manage cyber risk and support capability outcomes.

Responsibilities

- Deliver cyber security assessment and authorisation activities aligned to ISM, PSPF and Defence frameworks
- Conduct Operational and Design Effectiveness Reviews to evaluate system security
- Assess and audit the effectiveness of implemented security controls
- Produce key artefacts, including Security Assessment Reports (SARs), ATO briefs and risk assessments
- Identify, assess and manage cyber security risks and vulnerabilities across complex systems
- Analyse security exceptions, defects and architectural weaknesses
- Conduct threat modelling and evaluate system security architecture
- Support the protection of system confidentiality, integrity and availability
- Contribute to governance activities, including Change Control Boards
- Review documentation, policies and procedures to ensure alignment with Defence and Government requirements
- Ensure ongoing compliance with mandated cyber security standards and controls
- Provide trusted cyber security advice to project and delivery teams
- Support stakeholders to understand and mitigate cyber risks
- Build strong relationships across Defence, delivery teams and industry partners

As the ideal candidate you will bring

- Relevant certifications or experience aligned to cyber security assessment (e.g. CISSP, CISM, IRAP, ISO 27001)
- Strong experience in cyber security assessment, risk management and compliance
- Knowledge of Defence security frameworks, including ISM and PSPF
- Experience working with complex ICT environments or communications systems (radio/satellite highly regarded)
- Solid understanding of networks, systems, architectures and security controls
- Proven ability to deliver clear, high-quality technical reports and documentation
- Defence, CASG or Army background
- Exposure to Land C4 or similar integrated capabilities

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📌 Cyber Security Consultant EWIS (Melbourne)
🏢 Kbr
📍 Melbourne