FLEX Principal Tech Lead, AI Studio at Marriott

3 days ago

Bethesda, Maryland, United States Marriott International Full time

Additional Information

Job Number

Job CategoryInformation Technology

LocationMarriott International HQ, 7750 Wisconsin Avenue, Bethesda, Maryland, United States, 20814

ScheduleFull Time

Located Remotely?Y

Position Type Management

Pay Range: $56.53-$94.08 per hour

Expiration Date: 11/10/2025

This is a temporary position.

Principal Tech Lead, AI Studio at Marriott

Position Overview

Transform hospitality data into an intelligent, cost-aware assistant via hybrid RAG, knowledge graphs, multi-tier memory, and agent-orchestrated workflows—all while upholding privacy, safety, and performance.

Key Responsibilities

  • Build hybrid RAG + KG retrievers with regional embeddings.
  • Implement session + encrypted long-term guest memory under retention rules.
  • Design model-routing & prompt-caching with real-time cost/latency dashboards.
  • Embed guardrails in CI/CD; crypto-sign evidence into the Studio's self-cert repo.
  • Lead engineers and autonomous agents; set prompt standards, vet agent plans, and deliver measurable NPS/RevPAR gains.

Qualifications

  • 8+ years of experience in AI and software development
  • Proven success fine-tuning open-weight models (Llama-2/3, Mixtral, Phi-3, etc.) to production.
  • Deep grasp of KG query languages (Cypher, SPARQL) and embedding-graph fusion.
  • Documented cost-governance wins (quantisation, distillation, traffic shaping).
  • Hands-on agent orchestration (Autogen, CrewAI, LangGraph, or custom MCP).
  • Security first mindset; experience sanitising prompt logs for PII/bias.

Preferred Skills

  • Published benchmarks or blogs on LLM optimisation.
  • Experience deploying multimodal or voice interfaces at scale.

At Marriott International, we are dedicated to being an equal opportunity employer, welcoming all and providing access to opportunity. We actively foster an environment where the unique backgrounds of our associates are valued and celebrated. Our greatest strength lies in the rich blend of culture, talent, and experiences of our associates. We are committed to non-discrimination on any protected basis, including disability, veteran status, or other basis protected by applicable law.

All locations offer 401(k) plan, stock purchase plan, discounts at Marriott properties, commuter benefits, employee assistance plan, and childcare discounts. Benefits are subject to terms and conditions, which may include rules regarding eligibility, enrollment, waiting period, contribution, benefit limits, election changes, benefit exclusions, and others. Click here to learn more.

Full-time positions also offer coverage for medical, dental, vision, health care flexible spending account, dependent care flexible spending account, life insurance, disability insurance, accident insurance, adoption expense reimbursements, and paid parental leave.

Washington Applicants Only: Employees will accrue paid sick leave, PTO balance for every hour worked and be eligible to receive minimum of 9 holidays annually.

Marriott HQ is committed to a hybrid work environment that enables associates to Be connected. Headquarters-based positions are considered hybrid, for candidates within a commuting distance to Bethesda, MD; candidates outside of commuting distance to Bethesda, MD will be considered for Remote positions.

Marriott International is the world's largest hotel company, with more brands, more hotels and more opportunities for associates to grow and succeed. Be where you can do your best work, begin your purpose, belong to an amazing global team, and become the best version of you.

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