Summer Data Scientist — DDA Internship

LEK; Boston (MA); Hybrid; USD 77,000 - 91,000; Full time

Job summary

L.E.K. Consulting is seeking a Summer DDA Associate to apply data science to business problems in our Digital, Data, & AI team. You'll train, then work 1–2 projects across summer, handling data acquisition, modeling and client-ready analyses.

You'll collaborate with consultants and data scientists on live client work, delivering insights and visualizations. Hybrid schedule applies to U.S. offices.

Qualifications

• Strong foundation in applied data science, including machine learning, generative AI/LLM and agentic AI applications, statistical modeling and analysis.
• Proficiency in Python, common data science and AI/ML libraries and SQL.
• Experience with data lifecycle: acquisition, cleaning, analysis, modeling and visualization.
• Strong problem‑solving and communication skills; translate business questions into analysis.
• Strong academic achievement, initiative and collaboration abilities.

Responsibilities

• Acquire, clean, manipulate and analyze structured and unstructured data.
• Develop statistical and machine learning models and validate approaches.
• Create visualizations that communicate complex findings clearly.
• Collaborate with consultants and data scientists to translate client questions into analytical approaches.
• Contribute findings to case-team discussions, written presentations and client deliverables.

Skills

Machine learning

Statistical modeling

Data analysis

Communication

Education

Computer Science

Statistics

Data Science

Mathematics

Operations Research

Engineering

Economics

Tools

Python

SQL

AI/ML libraries

Pandas

NumPy

Job description

L.E.K. Consulting is seeking a Summer DDA Associate to apply data science to business problems in our Digital, Data, & AI team. You'll train, then work 1–2 projects across summer, handling data acquisition, modeling and client-ready analyses.

You'll collaborate with consultants and data scientists on live client work, delivering insights and visualizations. Hybrid schedule applies to U.S. offices.