Data Scientist for Predictive Maintenance

4 days ago

Andover, Massachusetts, United States Walmart Advanced Systems and Robotics Full time
Job Title: Data Scientist for Predictive Maintenance

We are seeking a data scientist to lead the development of predictive maintenance technologies for a fleet of autonomous mobile robots at Walmart Advanced Systems & Robotics. The ideal candidate has deep knowledge of data driven models and experience working with time series data collected from sensors on physical systems.

The position involves developing models and algorithms that support making data driven maintenance decisions that anticipate and preempt hardware faults. The data scientist will work on research, development, implementation and productization of systems that guide maintenance decisions.

Key Responsibilities:

  • Develop models and algorithms that support making data driven maintenance decisions that anticipate and preempt hardware faults.
  • Define for self and potentially others the work needed to deliver high quality maintenance recommendations.
  • Participate in early stage development to shape the architecture of predictive maintenance services.
  • Collaborate with software development teams to implement and deploy models and algorithms.
  • Build scripts to collect, clean, transform and join large sources of data.
  • Write Python applications as a containerized artefact, and deployed to kubernetes environments.
  • Negotiate product requirements with stakeholders, manage project roadmaps and deliverables, report progress to leadership.

Requirements:

  • PhD (preferred) or MS in Mechanical/Electrical/Reliability Engineering, Applied Mathematics, Statistics or Physics.
  • 2-5 years of post-graduate experience.
  • Deep knowledge in signal processing and time-series anomaly detection.
  • Preferred knowledge in reliability engineering and quality manufacturing.
  • Experience with the data manipulation functions of time series analysis: cleaning, imputing, resampling, frequency-domain filtering, and visualization.
  • Experienced with machine learning modeling techniques such as linear and non-linear regression, RNN/LSTM, markov chains; and model-based estimation techniques like Kalman Filtering, Receding Horizon Estimators and Particle Filters.
  • Proficient in Python, MATLAB, R or Julia. Experienced in traditional and deep learning frameworks in the associated language.
  • Familiarity with query languages (SQL, KQL, etc), cloud environments (Azure, AWS, GCP) and modern software development tools and processes (source control with git, unit/integration tests, CI/CD, serverless deployment with kubernetes).

What We Offer:

  • Competitive pay and performance-based bonus awards
  • Competitive 401(k) matching program, stock purchase plans, and equity opportunities
  • Comprehensive health, vision, and insurance plans with options for dependent coverage
  • Unlimited PTO for salaried employees, covering vacation, holidays, and personal days
  • Up to 12 weeks of fully paid maternity/paternity leave
  • Special Walmart discounts for in-store and online purchases
  • Complimentary daily lunches, beverages, and snacks
  • Other benefits include short-term and long-term disability, Military Leave Pay, adoption and surrogacy expense reimbursement, and more

Walmart, Inc. is an Equal Opportunity Employer. By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing diversity – unique styles, experiences, identities, abilities, ideas and opinions – while being inclusive of all people.

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