Expression of Interest – Systems Modeller (Digital Engineering)

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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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.

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.

KBR is executing a Digital Engineering strategy to manage complexity, leverage technical capability, and deliver speed to capability for Defence. This strategy includes enabling digital engineering environments and facilities, as well as executing Defence programs to develop, host, and integrate systems as models, architectures, or digital twins.

We are seeking Expressions of Interest from experienced Systems Modellers to play a key role in driving modelling and simulation activities for major Defence technology programs, including C4ISREW, SATCOM, Space, Air Defence, and other critical capabilities.

As a Systems Modeller, you will:

• Capture and model concepts, requirements, and designs for complex Defence programs.

• Perform Mission Engineering using mission threads and scenarios to support modelling in the customer problem space.

• Develop and sustain MBSE architectures using tools such as CATIA Cameo, Enterprise Architect, AFSIM, or ANSYS.

• Ensure integration and traceability across lifecycle phases, from requirements through to verification.

• Contribute to the growth and enablement of Digital Engineering Infrastructure, including the Systems Integration Laboratory and virtual collaboration environments.

The key responsibilities of the role will include, but are not limited to:

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  Develop and integrate mission engineering models and simulations using MBSE tools.

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  Define end-to-end architecture solutions aligned with technology standards and roadmaps.

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  Collaborate to mature capability enablement through environment design, model development, and reporting.

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  Validate and integrate externally sourced models into system or enterprise frameworks.

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  Enhance KBR’s Digital Engineering knowledge base through reusable artefacts and configuration scripts.

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  Engage with Defence clients, project teams, and industry partners to define architecture strategies.

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  Manage configuration and databases for digital engineering toolchains.

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  Ensure compliance with Defence standards and cybersecurity protocols.

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  Deliver technical documentation and reporting on modelling activities.

• Degree in Systems Engineering, Computer Science, or related field.

• 5+ years’ experience in digital systems design and integration.

• Proven experience in systems architecture development within Defence or regulated environments.

• Strong proficiency in MBSE methodologies and tools (SysML, UML).

• Eligibility for Australian Government Security Clearance (NV1 or higher).

• Postgraduate qualifications and professional recognition (CPEng, ACS).

• Experience in innovation, capability development, and Agile/SAFe frameworks.

• Familiarity with DevOps, coding languages (Python, JavaScript), and secure systems design.

KBR acknowledges the Traditional Custodians of Country throughout Australia and their continuing connections to land, sea, community and culture. We pay our respects to Elders past and present.

As a Major Service Provider of the Australian Defence Force, an AGSVA security clearance will be required and compliance to International Traffic in Arms Regulations (ITAR). As such, our hiring decisions are based on the key requirements of each role and candidates are selected based on their unique strengths and experiences.

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