Title:System Architect - Defence SectorYour KBR future - delivering solutions and changing the worldAbout KBR:We are a company of innovators, thinkers, creators, explorers, volunteers and dreamers who all share one goal - to improve the world.KBR delivers science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 34,000 people performing diverse, complex, and mission-critical roles in 33 countries.For 65 years, KBR and its heritage companies are proud to have delivered some of Australia's largest and most complex projects.With around 2,000 employees in 6 primary offices throughout Australia, we are committed to social and environmental sustainability and delivering projectswitha digital mindset drivinginnovation within our business and for our customers.We help ensure mission success on land, in the air, at sea, in space and cyberspace for our Defence customers. From individual technologies and services to comprehensive project delivery and mission execution, no other company can match the breadth and depth of KBR.KBR comprises a talented team who provide a broad spectrum of capabilities across Australia and the Asia Pacific. Our proven project teams readily address complex and multi-disciplinary activities, providing low-risk and cost-effective solutions to the Defence force. The Opportunity: KBR is currently inviting expressions of interest from highly capable and experienced System Architects to support key Defence programs across Brisbane and Canberra.As a System Architect, you will play a strategic and technical leadership role, responsible for the design, integration, and oversight of complex systems within the Defence environment. You will contribute to the development of innovative solutions that align with enterprise and capability requirements, ensuring the delivery of robust, secure, and scalable system architectures.The key responsibilities of the role will include, but is not limited to:Develop and maintain system architecture frameworks, models, and documentation aligned with Defence requirements and standards.Lead the design and integration of complex systems, ensuring coherence across platforms, technologies, and mission requirements.Ensure system designs meet functional, security, and performance objectives throughout the system lifecycle.Collaborate with stakeholders to define and refine system requirements and ensure traceability throughout design and implementation phases.Assess and manage technical risks, system interfaces, and interdependencies across integrated environments.Provide strategic input into capability planning, technology roadmaps, and architecture governance.Ensure compliance with relevant Defence frameworks such as TOGAF, DODAF, ISO/IEC 42010, and ASDEFCON.Engage with multi-disciplinary teams including engineering, ICT, cyber security, and program management to deliver system outcomes.. As the ideal candidate you will bring: Tertiary qualifications in Systems Engineering, Computer Science, ICT, or a related discipline.Significant experience in systems architecture, preferably within Defence, Government, or similarly complex technical environments.Demonstrated knowledge of systems engineering principles, model-based systems engineering (MBSE), and enterprise architecture tools.Experience working with Defence Capability Life Cycle and related technical documentation, including SEMP, SV-1 to SV-11 views, and interface control documents.Strong understanding of security, interoperability, scalability, and compliance requirements in system design.Excellent stakeholder engagement, communication, and leadership skills.Australian Citizenship is essential due to Defence security requirements.NV1 security clearance or eligibility to obtain one is highly desirable. Benefits of KBR A workplace culture certified as a Great Place To Work (Aus, India, UK & US)Flexible working conditionsCompetitive salary (including annual reviews)Paid Parental leavePaid Reservist leaveIncome protectionCorporate rewardsSalary packaging/Novated leasingDiscounted employee stock purchase plansFlu shots, skin checks and private health insurance discountsCareer development: Online learning, mentorship and career pathways If you're ready to shape tomorrow, let's get started. Apply Now! 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.