Lead Data Domain Architect Contract - NSW, ACT, QLD, VIC, SA

HCM Australia; Sydney; Hybrid; AUD 150,000 - 190,000; Full time

Job summary

HCM Australia is seeking an experienced Lead Data Domain Architect to shape enterprise data strategy and target architecture for a major Australian government context. The role requires EL2-equivalent senior leadership to guide programs and delivery teams toward a coherent data direction and governance.

You will influence investment decisions and resolve cross-domain issues across multiple systems. The position offers a 12-month contract with extension options, hybrid work with three days in the

Qualifications

• Eight+ years delivering complex enterprise data initiatives and solutions.
• Three+ years in EL2-equivalent or senior architect roles.
• Translate strategy, requirements and tech concerns into domain architecture and direction.
• Apply architecture principles, patterns, standards and governance across programs.
• Analyse dependencies, risks and trade-offs; present evidence-based recommendations.
• Deep knowledge of contemporary enterprise tech environments and data management practices.
• Strong experience in master data, reference data, data modelling and data security.
• Executive-level stakeholder leadership, communication and influencing skills.

Responsibilities

• Develop, maintain and communicate domain architecture, target state and strategic roadmaps.
• Provide architectural leadership across programs, projects and multidisciplinary teams.
• Translate organisational strategy and business needs into clear architecture direction.
• Establish data architecture principles, patterns, standards and guardrails.
• Review solution designs and provide assurance over architectural decisions.
• Identify cross-domain dependencies, risks, gaps and opportunities for reuse.
• Advise executives and governance forums on investment sequencing, risk and technical trade-offs.
• Collaborate with enterprise, solution and security architects, data engineering leaders and delivery teams.
• Mentor architects and build broader architecture capability.

Skills

EL2-equivalent leadership

Stakeholder leadership

Enterprise data architecture

Data governance & security

Strategy translation to architecture

Cross-program architecture

Cloud architecture experience

TOGAF/AWS/Azure cert

Education

Relevant tertiary qualifications in enterprise architecture, technology, information systems or related discipline

Job description

Lead Data Domain Architect Contract - NSW, ACT, QLD, VIC, SA

• 14 Sep 2026
• Sydney
• Contract
• Lead enterprise data strategy and architecture at EL2 equivalent level
• Initial 12-month contract with a further 12-month extension option
• Australian Citizens only

We are seeking an experienced Lead Data Domain Architect to provide strategic architectural leadership across a major federal government agency's complex data environment.

This is an EL2-equivalent role for a senior architect who can define domain architecture, target states and transition roadmaps, then guide programs and delivery teams toward a coherent enterprise data direction. You will provide authoritative advice to executives and governance forums, resolve complex cross-domain issues and influence investment decisions across multiple systems and initiatives.

The opportunity

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

What you will do

• Develop, maintain and communicate domain architecture, target state and strategic roadmaps
• Provide architectural leadership across programs, projects and multidisciplinary teams
• Translate organisational strategy and complex business needs into clear architecture direction
• Establish data architecture principles, patterns, standards and guardrails
• Review solution designs and provide assurance over architectural decisions
• Identify cross-domain dependencies, risks, gaps and opportunities for reuse
• Analyse complex technology issues and recommend practical transition approachesAdvice senior executives and governance forums on investment, sequencing, risk and technical trade-offs
• Collaborate with enterprise, solution and security architects, data engineering leaders and delivery teams
• Mentor architects and technical specialists while building broader architecture capability

What you will bring

You will need to demonstrate:

• At least eight years of experience designing and delivering complex enterprise data initiatives and solutions
• At least three years in an EL2-equivalent, principal architect or comparable senior industry role
• Proven ability to translate organisational strategy, business requirements and complex technology considerations into domain architecture and strategic direction
• Extensive experience applying architecture principles, patterns, standards and governance across multiple programs or systems
• Strong capability in analysing architectural dependencies, risks and trade-offs and presenting evidence-based recommendations
• Deep knowledge of contemporary enterprise technology environments and data management practices
• Strong experience across master data management, reference data management, data modelling and data security
• Executive-level stakeholder leadership, communication and influencing skills
• A track record of aligning architects, technical specialists and delivery teams across competing priorities

Highly regarded experience includes:

• Domain or enterprise architecture within Australian Government or another large, complex organisation
• Major cloud transformation delivery in an Australian federal or state government agency
• TOGAF or advanced AWS or Azure architecture certification
• Relevant tertiary qualifications in enterprise architecture, technology, information systems or a related discipline