Designing secure, scalable architecture for complex, multi-domain environments
1 and One partnered with an Australian Government department to design a data strategy and systems architecture that supports advanced analytics in a multi-domain, security-classified environment. The work balanced performance and scalability with strict security, data sovereignty, and cross-domain operating requirements, all from day one.
Scalable systems architecture
- designing a scalable systems architecture aligned to complex security classification requirements
Containerisation
- implementing containerisation to enable consistent deployment across varied computing environments
Secure software framework
- developing a secure software framework to support advanced analytics and language processing capabilities
Structured data processes
- establishing structured processes for managing data classification and cross-domain data handling
Cybersecurity controls
- embedding cybersecurity controls throughout system design and deployment
Systematic process mapping & documentation
- applying systematic process mapping and documentation to support traceability and governance
Deliverables
The engagement produced a suite of architectural, technical, and operational artefacts to support implementation and ongoing system evolution, including:
- a secure, scalable architecture framework for advanced analytics applications
- containerised deployment models to support consistency and portability
- cross-domain data handling procedures and security protocols
- detailed system documentation and deployment guides
- operational procedures aligned to security and governance requirements
Outcomes
The engagement strengthened the client’s ability to deliver secure, scalable technology solutions within a complex operating environment. Key outcomes included:
- improved efficiency and consistency of system deployment through containerisation
- enhanced scalability across multiple security domains
- strengthened cybersecurity posture and data protection controls
- increased operational readiness through modernised systems and processes
- establishment of a foundation for ongoing system evolution and capability uplift
Secure analytics, designed to operate
When analytics need to work across domains, security and delivery can’t be bolted on later. 1 and One designs architectures that stand up to real‑world constraints, secure, scalable, and built to last.
Meet our team
Matthew Fraser
Executive Director
Matthew Fraser is the co-founder and Executive Director of 1 and One, recognised for his expertise in leading complex organisational transformations and strategic policy initiatives across government and industry sectors. With over two decades of experience, Matthew’s leadership is characterised by a commitment to fostering collaboration, operational excellence, and impactful outcomes.
Prior to founding 1 and One, Matthew held senior roles in government, where he successfully delivered major programs focused on sustainability, digital transformation, and multi-sector engagement. His work has encompassed leading large-scale projects for the Department of Agriculture, Fisheries and Forestry, the Department of Health and Aged Care, and the Department of Finance. Earlier in his career, Matthew led major events in Brisbane, honing his skills in large-scale project coordination, stakeholder engagement, and operational management. This experience laid a strong foundation for his ability to manage complex initiatives and deliver strategic results.
With a focus on strategic facilitation and Agile delivery methodologies, Matthew has guided cross-functional teams to drive innovation, streamline processes, and achieve key policy objectives. His deep understanding of government and industry landscapes enables him to navigate complex stakeholder relationships, ensuring alignment and practical implementation of solutions. At 1 and One, his strategic oversight and ability to translate ambitious goals into tangible results have cemented the firm’s reputation as a trusted partner for transformative change across Australia. His dedication to delivering lasting impact and building consensus among stakeholders continues to drive the success of complex projects that shape public and private sector outcomes.
Katherine Fraser
Chief Executive Officer
Katherine Fraser is the Chief Executive Officer and co-founder of 1 and One Consulting. She leads the firm’s delivery of transformative communication, stakeholder engagement, and change management solutions across government, corporate, and not-for-profit sectors. With over two decades of experience spanning public service, ministerial leadership, and industry partnerships, Katherine is recognised for her ability to drive complex reforms and lead organisations through periods of change.
Throughout her career, Katherine has led strategic initiatives that required deep industry insight, multi-stakeholder collaboration, and innovative thinking. Her expertise extends across diverse portfolios, including health, defence, social services, climate, and more. As a trusted leader, she is known for aligning complex policy and operational objectives with practical, measurable outcomes that serve the broader community.
Under Katherine’s leadership, 1 and One has become a trusted partner, working with clients to navigate challenges, implement impactful solutions, and deliver exceptional value. Katherine’s approach combines strategic oversight with a passion for building strong relationships and driving positive change. Her work continues to inspire transformation across sectors, empowering organisations to thrive in complex and evolving landscapes.
Greg Thomas
Senior Consultant
Approaching two decades of consulting experience, Greg is an engaging contributor to business value, specialising in creating consensus and collaboration for cross-agency and cross-divisional business change. He achieves organisational and government-wide benefits for complex bodies of work that touch multiple administrative units. Whether managing a program or identifying and contributing to organisational change, Greg represents the interests of his clients.
Our Case Studies