Manager, Data Science - Modeling Support

Job Description

JOB SUMMARY

Applies advanced computational techniques in the development of business solutions to data-intensive problems in the hospitality industry. This rewarding position offers a career as part of a team that makes a direct revenue impact on Marriott International, by providing tools that facilitate data-driven decision-making in the disciplines of pricing, revenue management, sales, and reservations. Works as part of a team that supports computationally-intensive data analysis and modeling efforts, provides pricing and statistical modeling and technical expertise; provides production support for systems deployed at our hotels; performs undirected research on large volumes of data to reach business conclusions and recommendations; contributes complex programming and analysis in revenue management and sales systems; analyzes data and builds innovative models to deliver business solutions; functions as a modeling expert in all phases of the project lifecycle - inception, prototyping, design, testing, rollout and support. The Data Science team seeks a flexible candidate with a willingness to learn who brings unique perspectives to enable creative data-driven solutions to the challenges at Marriott.

CANDIDATE PROFILE

Education and Experience

Required:

• Bachelor's degree in rigorous quantitative, technical, or scientific subject, including Operations Research, Statistics, Mathematics, Data Science, Data Engineering, Computer Science, or Engineering
• Experience solving complex mathematical problems; applying analytical and programming skills against data-intensive and complex modeling
• Software engineering skills (e.g. distributed computing, object-oriented development, data cleansing, algorithms, and data structures)
• An inherent curiosity in researching and developing solutions to complex and often open-ended business problems
• An interest in continually learning new techniques and technologies to solve modeling challenges
• An ability to explain and present mathematical concepts and results to technical and non-technical audiences
• Strong communication skills and ability to work within a team
• Knowledge of relational databases

Preferred:

• Knowledge and experience with Python (pandas / Numpy / SciPy), SQL at an advanced level with an understanding of complexity theory
• Knowledge of Stochastic process, and probability theory
• Knowledge of Experiment design and causal inference methods such as difference-in-differences, matching, regression-based causal models, and uplift or incremental impact analysis.
• Experience with Econometric modeling and related techniques including linear and nonlinear regression, panel data models, fixed and random effects models, instrumental variables
• Experience with Machine Learning tools and techniques (e.g. k-nearest neighbors, random forests, ensemble methods, etc.)
• Experience with Data Platforms (i.e. Snowflake)
• Experience in developing analytic driven solutions to business problems
• Understands complex, discrete data sets with subtle underlying biases
• Experience with linear, mixed integer, non-linear or dynamic programming models and familiarity with optimization software (CPLEX, Gurobi).
• Experience with writing efficient code and an understanding of code complexity
• Readiness and willingness to debug existing codes to identify source of reported application issues

CORE WORK ACTIVITIES

Model Support

• Provides ongoing support for models in One Yield, Marriott's Revenue Management system, to ensure accurate forecast, pricing, and inventory results.
• Support the ongoing deployment of The Power of M and partner with service providers to triage and resolve conversion related issues around models.
• Support L3 team with triage of incidents and tickets.
• Solution, validate, and manage model updates based on defects and support production deployments.

IT Governance

• Follows all defined iT standards and processes and provides input for improvements to the appropriate process owners as needed
• Maintains a proper balance between business and operational risk
• Follows the defined project management standards and processes

Service Provider Management

To the extent that this role interacts with service providers:

• Validates that Service Providers develop and manage respective aspects of a project plan, including schedules, deliverables, and appropriate metrics.
• Makes short term plans for the team to effectively utilize resources
• Monitors Service Provider outcomes
• Reviews estimates of work effort for client project provided by Service Providers for accuracy
• Facilitates timely resolution of service delivery problems and minimizes the impact to clients

MANAGEMENT COMPETENCIES

Leadership

• Communication - Conveys information and ideas to others in a convincing and engaging manner through a variety of methods.

• Leading Through Vision and Values -Keeps the organization's vision and values at the forefront of employee decision making and action.

• Managing Change -Initiates and/or manages the change process and energizes it on an ongoing basis, taking steps to remove barriers or accelerate its pace; serves as role model for how to handle change by maintaining composure and performance level under pressure or when experiencing challenges.

• Problem Solving and Decision Making - Identifies and understands issues, problems, and opportunities; obtains and compares information from different sources to draw conclusions, develops and evaluates alternatives and solutions, solves problems, and chooses a course of action.

• Professional Demeanor - Exhibits behavioral styles that convey confidence and command respect from others; makes a good first impression and represents the company in alignment with its values.

• Strategy Development - Develops business plans by exploring and systematically evaluating opportunities with the greatest potential for producing positive results; ensures successful preparation and execution of business plans through effective planning, organizing, and on-going evaluation processes.

Managing Execution

• Building a Successful Team -Uses an effective interpersonal style to build a cohesive team; inspires and sustains team cohesion and engagement by focusing the team on its mission and importance to the organization.

• Strategy Execution - Ensures successful execution across of business plans designed to maximize customer satisfaction, profitability, and market share through effective planning, organizing, and on-going evaluation processes.

• Driving for Results - Sets high standards of performance for self and/or others; assumes responsibility for work objectives; initiates, focuses, and monitors the efforts of self and/or others toward the accomplishment goals; proactively takes action and goes beyond what is required.

Building Relationships

• Customer Relationships - Develops and sustains relationships based on an understanding of customer/stakeholder needs and actions consistent with the company's service standards.

• Global Mindset - Supports employees and business partners with diverse styles, abilities, motivations, and/or cultural perspectives; utilizes differences to drive innovation, engagement and enhance business results; and ensures employees are given the opportunity to contribute to their full potential.

• Strategic Partnerships -Develops collaborative relationships with fellow employees and business partners by making them feel valued, appreciated, and included; explores partnership opportunities with other people in and outside the organization; influences and leverages corporate and continental shared services and/or discipline leaders (e.g., HR, Sales & Marketing, Finance, Revenue Management) to achieve objectives; maintains effective external relations with government, business and industry in respective countries; performs effectively as a liaison between locations, disciplines, and corporate to ensure needed resources are received and corporate strategies are understood and executed.

Generating Talent and Organizational Capability

• Developing Others -Supports the development of other's skills and capabilities so that they can fulfill current or future job/role responsibilities more effectively.

• Organizational Capability - Evaluates and adapts the structure of assignments and work processes to best fit the needs and/or support the goals of an organizational unit.

Learning and Applying Professional Expertise

• Continuous Learning - Actively identifies new areas for learning; regularly creates and takes advantage of learning opportunities; uses newly gained knowledge and skill on the job and learns through their application.

• Technical Acumen - Understanding and utilizing professional skills and knowledge in a specific functional area to conduct and manage everyday business operations and generate innovative solutions to approach function-specific work challenges

• Technical Intelligence: Knowledge and ability to define and apply appropriate technology to enhance business process
  
  
  • Development Methodologies: Knowledge of general stages of SDLC framework and the application tiers within the development space.
  • Information Security: Knowledge of the security considerations relevant within the development space, including industry best practices related to information security

• Business Acumen - Understands and utilizes business information to manage everyday operations and generate innovative solutions to approach business and administrative challenges.
• Basic Competencies - Fundamental competencies required for accomplishing basic work activities.

• Basic Computer Skills - Using basic computer hardware and software (e.g., personal computers, word processing software, Internet browsers, etc.).

• Mathematical Reasoning - The ability to add, subtract, multiply, or divide quickly, correctly, and in a way that allows one to solve work-related issues.

• Oral Comprehension - The ability to listen to and understand information and ideas presented through spoken words and sentences.

• Reading Comprehension - Understanding written sentences and paragraphs in work related documents.

• Writing - Communicating effectively in writing as appropriate for the needs of the audience.

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.

About Us

All positions offer a 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, paid parental leave and educational assistance.

Washington Applicants Only: Employees will accrue paid sick leave, 0.077 PTO balance for every hour worked and be eligible to receive a 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.

About the Team

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.