• FLEX Principal Tech Lead - AI Studio at Marriott

    Marriott (Bethesda, MD)


    Additional Information

    **Job Number** 25083249

    **Job Category** Information Technology

    **Location** Marriott International HQ, 7750 Wisconsin Avenue, Bethesda, Maryland, United States, 20814VIEW ON MAP (https://www.google.com/maps?q=Marriott%20International%20HQ%2C%207750%20Wisconsin%20Avenue%2C%20Bethesda%2C%20Maryland%2C%20United%20States%2C%2020814)

    **Schedule** Full Time

    **Located Remotely?** Y

    **Position Type** Management

     

    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.

     

    The pay range for this position is $56.58 to $94.09 per hour.

     

    **Washington Applicants Only:** Employees will accrue 0.0334 PTO balance for every hour worked and eligible to receive minimum of 9 holidays annually.

     

    FLEX opportunities 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, paid parental leave, 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.

     

    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.

     

    The application deadline for this position is 14 days after the date of this posting, May 19, 2025.

     

    _Marriott International is an equal opportunity employer. We believe in hiring a diverse workforce and sustaining an inclusive, people-first culture. We are committed to non-discrimination on any protected basis, such as disability and veteran status, or any other basis covered under applicable law._

     

    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.