Senior AI Architect

Calleo; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

Calleo is seeking a Senior AI Architect to lead enterprise-wide AI governance, architecture and adoption. You will shape the framework, standards and target-state architectures for secure, scalable AI across the agency's ecosystem, collaborating with business, security, data and executive teams.

You will drive strategy for Generative AI, LLMs, RAG and automation, ensuring alignment with regulatory obligations and operational needs, while mentoring teams and guiding governance forums.

Qualifications

• Experience designing enterprise-scale AI architectures in large, regulated environments.
• Proven ability to create AI strategies, roadmaps and target-state architectures.
• Experience with governance, ADRs and architecture decision records.

Responsibilities

• Lead architecture strategy, standards, reference architectures and roadmaps for AI at enterprise scale.
• Design AI architectures supporting Generative AI, LLMs, RAG, ML and automation.
• Evaluate AI platforms and vendors for risk, cost, scalability and operability.
• Establish governance guardrails and reusable patterns for safe AI adoption.
• Define security, privacy, resilience and observability requirements for AI solutions.
• Provide architecture assurance, risk assessments and implementation guidance.
• Influence executives and governance boards through clear options and ADRs.
• Mentor technical teams via workshops and design reviews.

Skills

Enterprise AI architecture

AI strategy & roadmaps

Architecture governance

Executive stakeholder engagement

Security, privacy & risk in AI

Regulatory/compliance awareness

Architectural decision records (ADRs)

Tools

Azure OpenAI

Azure AI Services

Azure AI Search

AWS Bedrock

LLM platforms

Vector databases

MLOps / LLMOps

TOGAF / EA frameworks

Job description

Long-Term Contract
Federal Government
Canberra, Sydney or Brisbane

We are partnering with one of Australia's Federal Government agencies to bring onboard an experienced Senior AI Architect to lead the design, governance and adoption of Artificial Intelligence capabilities at an enterprise level.

This is a rare opportunity to shape the future direction of AI within a large and complex government environment, driving the development of secure, scalable and responsible AI solutions that deliver real business value and improved citizen outcomes.

About the Role

As the Senior AI Architect, you will provide strategic architecture leadership across the agency's AI ecosystem, helping establish the frameworks, standards, governance and target-state architectures required for sustainable AI adoption.

You will work closely with business stakeholders, enterprise architects, cyber security teams, data specialists and executive leadership to ensure AI initiatives align with enterprise strategy, regulatory obligations and operational requirements.

Key Responsibilities

• Develop and maintain the organisation's AI architecture strategy, principles, standards, reference architectures and roadmaps.
• Design enterprise-scale AI architectures supporting Generative AI, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Machine Learning and Intelligent Automation capabilities.
• Evaluate AI platforms, models, technologies and vendors against business requirements, risk, cost, scalability and operational suitability.
• Establish architecture guardrails, governance frameworks and reusable patterns that enable safe and responsible AI adoption.
• Define security, privacy, resilience, observability and operational requirements for AI solutions.
• Provide architecture assurance, risk assessments and implementation guidance to stakeholders and governance forums.
• Influence senior leaders through clear recommendations, options analysis and architecture decision records.
• Mentor technical teams through architecture workshops, design reviews and knowledge sharing initiatives.

Skills & Experience

• Proven experience developing enterprise-scale AI architectures in large and complex organisations.
• Demonstrated experience creating:
  • AI strategies and roadmaps
  • Target-state architectures
  • Reference architectures
  • Architecture principles and patterns
  • Architecture decision records (ADRs)
• Strong experience across enterprise and solution architecture disciplines.
• Hands-on knowledge of:
  • Generative AI
  • Large Language Models (LLMs)
  • Retrieval-Augmented Generation (RAG)
  • Agentic AI
  • Machine Learning platforms and services
• Experience supporting AI initiatives through the full lifecycle, from concept and proof-of-value through to production deployment and ongoing operations.
• Ability to engage and influence executives, governance boards, technical teams and business stakeholders.

Technical Expertise

• Azure OpenAI
• Microsoft Copilot
• Azure AI Services
• Azure AI Search
• AWS Bedrock
• Generative AI platforms
• Vector databases and semantic search technologies
• AI governance and Responsible AI frameworks
• AI Security Architecture
• MLOps / LLMOps practices
• Cloud Architecture (Azure and/or AWS)
• Data Architecture and Integration Patterns
• Enterprise Architecture frameworks such as TOGAF

Governance & Risk Demonstrated experience in:

• Responsible AI and AI Ethics
• AI Security and Privacy Controls
• Data Governance
• Risk Management and Assurance
• Model Governance and Auditability
• Regulatory compliance within government or highly regulated environments

Due to the nature of the role the candidate must be an australian citizen with Baseline secuirty clearance or has the ability to obtain one.

Calleo is an equal opportunity employer and we encourage applications from all people including Aboriginal and Torres Strait Islander peoples.