Senior Manager, Data Science - Last Mile Optimization

Position: (USA) Senior Manager, Data Science - Last Mile Optimization
Position Summary...

What you'll do...

Role summary:

We are seeking a Sr. Manager (IC), Data Science - Last Mile Optimization professional who brings deep expertise in ML and operations research methods to solve large scale forecasting and logistics optimization problems. This role requires expertise in statistical methods and programming languages such as Python, R, and CPLEX to develop scalable models that optimize business operations. Strong communication (written and oral) and cross functional leadership skills are essential to influence stakeholders and guide data science projects from conception through implementation.

About the team:

The Last-Mile Delivery team at Walmart develops advanced systems integrating real-time data, artificial intelligence, and scalable platforms to enhance delivery operations. Spark Driver, the largest last-mile network, covers all 50 states and reaches over 94% of U.S. households, supporting Walmart's eCommerce expansion through efficient and flexible fulfillment. The team focuses on solving complex forecasting and logistics challenges using machine learning and operations research techniques.

This role requires expertise in data science to drive innovation and optimize last-mile delivery performance, contributing significantly to Walmart's supply chain excellence and customer satisfaction.

What you'll do:

* Develop end-to-end operations decision optimization engine that balances supply and demand while optimizing cost to serve and service level.

* Develop predictive simulation and scenario evaluation capabilities to evaluate the optimal supply vs. demand shaping strategies for holidays, Q4 peak, and weather events.

* Evaluate proposed business cases for projects and initiatives.

* Clearly communicate technical approaches with both technical and non-technical stakeholders.

* Identify and review model evaluation metrics based on analytical requirements.

* Utilize programming languages such as Python, R, CPLEX and SQL to analyze large datasets and optimize algorithms.

* Mentor and guide data science professionals to foster technical growth and project excellence.

What you'll bring:

* PhD (or Master) in Operations Research, Industrial Engineering, Computer Science, Mathematics, or related field.

* Experience in publications at top-tier conferences or journals

* 8+ years of building optimization / operations research algorithms and machine learning models for supply chain and logistics applications

* 8+ years of mathematics optimization such as linear programming and nonlinear optimization experience

* Communication:
Excellent written and verbal communication skills for both technical and non-technical audiences. Experiences with presenting to senior leadership.

* Extensive experience in data science with strong proficiency in Python, CPLEX, R, and SQL programming languages.

* Proven ability to lead and manage data science projects, leveraging operations research and applied science principles.

At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see  Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities.

Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.

Elig…