Job Description

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- 14 Sep 2026
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- Sydney
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- Contract
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- Lead enterprise data strategy and architecture at EL2 equivalent level
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- Initial 12-month contract with a further 12-month extension option
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- Australian Citizens only
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We are seeking an experienced Enterprise Architect with Data Domain background to provide strategic architectural leadership across a major federal government agency's complex data environment.

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This is a senior, EL2-equivalent opportunity within a Federal Government Enterprise Architecture practice. The organisation is moving from a large monolithic setting towards best-of-breed platforms, creating important architecture decisions about authoritative sources of truth, reference data, information flows, interoperability and cross-system dependencies.

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This is not primarily a Data Modeller, Data Engineer, governance specialist or single-platform Solution Architect position. We are looking for a broad Enterprise Architect who can bring genuine data-domain depth while working consultatively across executives, program leaders, architects and delivery teams.

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The opportunity

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- Initial 12-month contract
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- One 12-month extension option
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- Expected start date: 19 October 2026
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- Locations: Canberra, Sydney, Melbourne, Brisbane or Adelaide
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- Hybrid working, with a minimum of three days per week in the office
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- 37.5 hours per week
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- Lead, EL2-equivalent engagement
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What you will do

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- Shape enterprise architecture across multiple systems, programs and technology investments
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- Develop and communicate target-state architecture and practical transition roadmaps
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- Guide the transition from a monolithic environment towards best-of-breed platforms
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- Help determine authoritative sources of truth and how information should move across systems
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- Resolve reference-data, interoperability and cross-system architecture issues
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- Identify dependencies, risks, sequencing considerations and opportunities for reuse
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- Engage early with project teams to shape direction before decisions reach formal governance
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- Translate complex architecture issues into clear business advice for senior leaders and executives
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- Influence program direction and architecture decisions without relying on formal authority
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- Work strategically across several concurrent transformation initiatives while remaining connected to delivery teams
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- Collaborate with enterprise, solution, security and data architects, engineers, business stakeholders and vendors
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- Provide architecture assurance, guidance and mentoring across the organisation
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What you will bring

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You will need to demonstrate:

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- At least eight years of experience designing and delivering complex enterprise data initiatives and solutions
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- At least three years in a Principal Architect, Enterprise Architect, Domain Architect or comparable senior role
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- Broad Enterprise Architecture capability across multiple systems, programs and investments




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- Strong data-domain expertise, including sources of truth, reference data, MDM, RDM, information flows, data modelling and data security
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- Experience developing target states, transition roadmaps, architecture principles, patterns, standards and guardrails
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- A record of working across large, complex transformation programs
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- Strong internal consulting skills, including the ability to diagnose ambiguity and shape direction early
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- Evidence of influencing executives, peers and delivery teams without direct authority
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- The ability to explain complex technical matters clearly to business and executive audiences
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- Experience balancing strategic direction with practical delivery needs across concurrent workstreams
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- A collaborative working style and comfort operating in a changing setting where structures and processes are still developing
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Highly regarded experience includes:

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- Existing Baseline or NV1 security clearance
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- Experience in government, financial services, health or another large, regulated environment
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- Formal Enterprise Architecture certification, such as TOGAF
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- Advanced AWS or Azure architecture certification
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- Major cloud or enterprise transformation experience
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- Relevant tertiary qualifications in technology, information systems, architecture or a related discipline
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- Government experience is helpful but not mandatory. Relevant experience from complex commercial environments will be considered where you can demonstrate solid Enterprise Architecture, data-domain and stakeholder-influence capability.
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📌 Enterprise Architect (Data Domain) Contract - NSW, ACT, QLD, VIC, SA (New South Wales)
🏢 Hcm Australia
📍 New South Wales