A leading national Software company in Australian embarking on a major digital transformation program, focused on modernising legacy systems and uplifting core industry integrity platforms. This organisation plays a critical role in delivering technology, research, and industry services that support producers, government partners and key industry stakeholders across the country. They are now seeking an experienced Lead Application Architect to drive a significant system modernisation initiative, migrating complex legacy applications to a scalable, cloud-native AWS platform. About the Role Reporting to the Program Director, the Lead Application Architect will provide hands-on technical leadership across architectural design, cloud migration strategy, application modernisation and governance. You will steer the development of an event-driven, microservices-based architecture using AWS native services, while guiding engineering teams and ensuring all solutions align with compliance requirements within a regulated environment. This role combines deep technical capability with strong leadership, documentation discipline, and stakeholder engagement. Key Responsibilities 1. Technical Architecture & Design Lead the technical design for the cloud migration and modernisation program. Define and document application architecture for an event-driven, microservices-based AWS solution. Develop migration patterns, blueprints and strategies (rehost/replatform/refactor). Oversee detailed design of application components, IaC provisioning (Terraform/CloudFormation), and data migration pathways. Promote emerging technologies and architectural best practice. 2. Technical Leadership & Mentoring Lead and mentor architects, technical leads and software developers. Provide technical direction, support and oversight across delivery teams. Enforce coding standards and architectural guidelines. Foster a collaborative engineering culture and support capability development. 3. Governance, Security & Compliance Ensure all solutions align with organisation-wide architecture, security and compliance requirements. Implement secure coding standards within CI/CD pipelines. Conduct technical and security reviews, including penetration testing outcomes. Maintain detailed documentation and strong architectural governance. Uphold compliance with Australian data sovereignty and regulatory frameworks. 4. Technical Delivery & DevOps Contribute to hands-on development, configuration and implementation of cloud services. Coordinate technical delivery across cross-functional teams. Define and manage performance, failover, verification and validation processes. Support CI/CD uplift and DevOps practices. Execute smooth handovers to BAU with comprehensive documentation. 5. Stakeholder Management & Communication Communicate technical decisions, risks and recommendations to senior leadership and non-technical stakeholders. Collaborate with QA, BAs, Product Owners, UX and vendors to support successful delivery. Facilitate workshops and ensure alignment between technical and business objectives. Skills & Experience – Must Haves 12 years’ experience as an Application or Lead Architect delivering major cloud or digital transformation programs. Proven experience leading full-stack engineering teams across services, APIs, mobile and web. Demonstrated expertise building cloud-native solutions using AWS services (Lambda, S3, DynamoDB, RDS, SQS/SNS, etc.). Strong background in microservices, containerisation (Docker, Kubernetes) and orchestration. Proficiency in one or more programming languages: .NET Core, C#, NodeJS, React, Go, Typescript. Strong Agile delivery experience (Scrum). Excellent documentation discipline and architectural decision-making. Outstanding communication and stakeholder engagement skills. Why Apply? Lead one of the most significant cloud modernisation programs in the industry. Influence architecture at scale for a nationally critical organisation. Work with highly skilled technical leaders and modern engineering practices. Long-term program with strategic importance and executive visibility.
