JLL

Principal Architect, AI

In short

Principal Architect, AI role at JLL defining architecture standards, governance and quality frameworks for enterprise AI agents and LLM applications built on JLL Falcon, its AI platform for commercial real estate. The role sits across architecture, engineering, governance and innovation, guiding model/platform strategy and providing technical leadership to internal teams and vendors. Requires proven experience building and operating enterprise-scale AI/agent/LLM platforms in production, hands-on AI governance and guardrails work, and strong communication with technical and executive audiences. On-site position in Tel Aviv, Israel.

Shape how JLL builds with AI.
Engineers, business teams and vendors across JLL are already building AI agents and large language model (LLM) applications on JLL Falcon, our category-scale AI platform for commercial real estate. We are looking for an experienced AI leader to define the standards, frameworks and governance that will enable the business to scale AI safely, responsibly and effectively.
This is a highly influential role at the intersection of architecture, engineering, governance and innovation. You will establish the patterns others follow, guide technical decision-making across the organisation, and ensure AI solutions deliver measurable business value while meeting the highest standards of quality, security and reliability.
What You'll Do
Define AI Architecture Standards
•Establish reference architectures, design patterns and best practices for AI agents and LLM-powered applications.
•Define standards for tool usage, orchestration, agent workflows and system integration.
•Create reusable frameworks that accelerate adoption across JLL.
Lead AI Governance and Quality
•Define what "ready for production" means for AI applications.
•Establish guardrails, evaluation frameworks and testing standards.
•Create approval processes and governance models that ensure AI solutions can be deployed safely and responsibly.
Drive Model and Platform Strategy
•Own the selection, governance and lifecycle management of AI models.
•Define how model traffic is routed through the AI gateway.
•Optimise performance, reliability and cost across the AI ecosystem.
•Evaluate emerging models and technologies to ensure JLL remains at the forefront of AI innovation.
Provide Technical Leadership
•Review solution designs proposed by internal teams and third-party vendors.
•Offer clear architectural guidance and make informed decisions on design approaches.
•Identify risks, challenge assumptions and ensure alignment with established standards.
Partner Across the Organisation
•Work closely with platform engineers, Enterprise AI teams and business stakeholders.
•Ensure standards are practical, adopted and embedded within delivery teams.
•Build strong relationships across technical and non-technical functions to drive AI excellence at scale.
What We're Looking For
•Proven experience building and operating enterprise-scale AI, agent or LLM platforms in production environments.
•Hands-on experience implementing AI governance, guardrails, evaluation frameworks and responsible AI controls.
•Strong understanding of AI architecture, model orchestration, retrieval systems, agent design and platform engineering.
•Ability to influence technical decision-making across diverse teams and external vendors.
•Excellent judgement with the confidence to challenge existing approaches and adapt when presented with better alternatives.
•Demonstrated experience using AI tools to design, build and review complex systems and architectures.
•Strong communication skills with the ability to articulate technical trade-offs clearly to both technical and executive audiences.
Why Join Us?
This is an opportunity to define the future of AI at JLL. Your decisions will shape how AI is designed, governed and deployed across a global organisation, influencing products, platforms and business outcomes at scale. You will play a pivotal role in establishing the foundations that enable thousands of users and teams to build with AI confidently and responsibly.
Location
On-site – Tel Aviv, Israel

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