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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 https://one.walmart.com/notices. 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.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.
For information about benefits and eligibility, see One.Walmart.
The annual salary range for this position is $110,000.00 - $220,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
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Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Option 1- Bachelor’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years' experience in an analytics related field. Option 2- Master’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 1 years' experience in an analytics related field. Option 3 - 5 years' experience in an analytics or related field.Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Data science, machine learning, optimization models, PhD in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, Econometrics, Successful completion of one or more assessments in Python, Spark, Scala, or R, Supervisory experience, Using open source frameworks (for example, scikit learn, tensorflow, torch), We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.Primary Location...802 Respect Dr, Bentonville, AR 72716, United States of AmericaWalmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.