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 opportunity to contribute to the LAND **** Land C4 Modernisation Project, delivering next‐generation Command, Control, Communications and Computing (C4) capability to the Australian Defence Force.
LAND **** 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 setting, 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 *****)
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