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EnerSys

Data Engineering Intern – AI/ML Systems

EnerSys

. Design and implement data ingestion, transformation, and validation pipelines for structured, semi-structured, and time-series data.

Posted 4/21/2026internshipZug • 🇨🇭 SwitzerlandEntry LevelWebsite

Tech Stack

Tools & technologies
PythonSQL

About the role

Key responsibilities & impact
  • Design and implement data ingestion, transformation, and validation pipelines for structured, semi-structured, and time-series data.
  • Develop data quality and monitoring frameworks.
  • Build and maintain feature engineering pipelines in collaboration with AI/ML engineers.
  • Design data models and storage schemas optimized for time-series retrieval.
  • Contribute to streaming data pipeline development.
  • Develop exploratory analysis and visualization outputs.

Requirements

What you’ll need
  • Currently enrolled in a Master's or PhD program in Computer Science, Data Science, Electrical Engineering, or a closely related field.
  • Strong proficiency in Python for data manipulation, transformation, and pipeline development.
  • Solid experience with SQL and relational or time-series data systems.
  • Demonstrated understanding of machine learning workflows.
  • Hands-on experience handling large, complex, real-world datasets.
  • Strong data visualization skills with libraries such as matplotlib, seaborn, or Plotly.

Benefits

Comp & perks
  • EnerSys provides equal employment opportunities to all employees.
  • Prohibits discrimination and harassment of any type.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
PythonSQLdata ingestiondata transformationdata validationfeature engineeringdata modelingdata storage schemasdata quality frameworksdata visualization