Public Sector AI Systems Architect — Transport

Government Technology Agency (GovTech); Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

The Land Transport Authority (LTA) Singapore is seeking an AI System Architect to own the technical architecture of the Transport AI Programme, ensuring scalable, secure and interoperable AI solutions for critical public infrastructure.

You will define standards, guide engineering decisions, and coordinate with industry partners and cross-government digital platforms to translate strategic vision into delivered systems.

Qualifications

• Knowledge in Computer Science or related field with 3–6 years in software or systems architecture.
• Experience in AI or data-intensive systems is valued.
• Familiarity with AI platform components—LLM serving, vector databases, orchestration, and MLOps—plus cloud-native architecture.
• Strong communication to engage technical and non-technical stakeholders.

Responsibilities

• Define end-to-end technical architecture for LTA's AI programme, including model serving, data platforms, integration layers, AI safety infrastructure, and observability.
• Establish architectural patterns and standards for generative AI, agentic workflows, RAG systems, CV pipelines, and shared AI platforms.
• Lead technical due diligence and architecture reviews for industry partner solutions, ensuring alignment with security, privacy, resilience, and operational readiness.
• Design AI infrastructure to support automated evaluations, risk dashboards, drift monitoring, and deployment playbooks.
• Mentor AI software developers and infrastructure engineers; act as principal technical interface with external partners.

Skills

AI architectures

Cloud-native

API design

MLOps tooling

Vector databases

LLM serving infra

Enterprise integration

Strong communication

Education

Degree in CS/Engineering

Tools

Orchestration frameworks

Cloud platforms

Job description

The Land Transport Authority (LTA) Singapore is seeking an AI System Architect to own the technical architecture of the Transport AI Programme, ensuring scalable, secure and interoperable AI solutions for critical public infrastructure.

You will define standards, guide engineering decisions, and coordinate with industry partners and cross-government digital platforms to translate strategic vision into delivered systems.