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Marsh McLennan
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August 26, 2025
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New York - 1166
Internship
Hybrid
$30/hr - $30/hr
Intern
Guy Carpenter is a leading global risk advisory and reinsurance specialist and broker, and they are seeking a talented individual to join their Data Strategy team. This co-op opportunity will involve designing and deploying custom data pipelines, collaborating with various teams to enhance data products, and conducting exploratory data analysis to support data-driven decision-making.
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Responsibilities

  • Design, build, and deploy custom data pipelines that power machine learning models, generate insights, support client benchmarking tools, create business intelligence dashboards, and develop innovative data products
  • Utilize multiple large datasets to drive revenue growth by developing new products in collaboration with the Data Strategy team, while also enhancing the delivery and functionality of existing offerings
  • Integrate data from diverse sources such as relational databases, APIs, cloud storage (NetApp, AWS, Azure), FTP servers, and formats including Excel, CSV, XML, Parquet, and unstructured data
  • Construct and maintain robust data pipelines connecting internal and external data sources to the data lake, implementing modern quality assurance practices with automated validation frameworks like dbt and Great Expectations
  • Contribute to team development standards through code reviews, comprehensive testing (unit and integration), and continuous monitoring to ensure high-quality, reliable data workflows
  • Conduct exploratory data analysis and develop or refine machine learning models to support the creation and enhancement of Data Strategy products, enabling data-driven decision-making

Qualification

Required

  • Pursuing a Master’s or Bachelor’s degree in a technical field such as Computer Science, Data Science, Mathematics, or a related quantitative discipline, or demonstrated ability to quickly learn new software and analytical concepts
  • A strong academic record; relevant work experience is a plus and can sometimes outweigh the specific field of study
  • Excellent verbal and written communication skills, capable of conveying complex ideas clearly to colleagues at all levels within Guy Carpenter
  • Exposure to technologies and programming languages such as Python and SQL

Preferred

  • Prior experience with software best practices, including DRY coding, unit and integration testing, and thorough documentation
  • Familiarity with modern containerization and deployment tools like Docker
  • Experience working with big data processing frameworks such as Apache Spark
  • Hands-on experience in a modern, agile Software Development Life Cycle (SDLC) environment, including CI/CD pipelines across development, quality control, and production stages
  • Proficiency with cloud platforms such as AWS, GCP, or Azure
  • Ability to consume and integrate data from REST APIs
  • Demonstrated strong analytical skills and intellectual curiosity, evidenced through academic projects or professional work
  • Experience working in an Agile environment, supporting rapid and effective delivery of team goals
  • Knowledge of risk evaluation modeling or experience building data products
  • Excellent interpersonal skills, with the ability to foster strong internal relationships, collaborate effectively within a team, and contribute to both technical and non-technical discussions
  • A genuine desire to learn quickly, adapt, and add value to team initiatives

Benefits

  • Professional development opportunities
  • Interesting work and supportive leaders
  • A vibrant and inclusive culture
  • Career opportunities
  • Benefits and rewards to enhance your well-being
Marsh McLennan (NYSE: MMC) is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses: Marsh, Guy Carpenter, Mercer and Oliver Wyman.
Glassdoor
4.0
Founded in 1871
New York, New York, USA
10001+ employees
https://www.marshmclennan.com
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