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Data Scientist Intern

On-site in Madrid·Added today

Ericsson

8 open roles

Overview

Requirements

  • Have the right to work in Spain

    Ericsson doesn't mention sponsorship in the ad.

  • Work in English

    English is required, per the ad.

  • Work on-site in Madrid

    No relocation package mentioned.

  • University degree

    “Currently enrolled in or recently graduated from Data Science, Computer Science, Statistics, Mathematics, Engineering, or related field.” — per the ad.

Requirements

What we're looking for

Currently enrolled in or recently graduated from Data Science, Computer Science, Statistics, Mathematics, Engineering, or related field.
Solid grounding in statistics, basic probability, and core machine learning concepts (bias/variance, regularization, evaluation metrics).

Proficient in Python and familiar with common libraries (pandas, numpy). Strong emphasis on writing modular, readable code.
Experience with Jupyter notebooks and at least one ML library (scikit-learn required; exposure to PyTorch or TensorFlow is a plus).
Comfortable writing SQL for data extraction and basic familiarity with data ingestion/ETL concepts.
Basic data visualization skills (matplotlib, seaborn, or equivalent) and ability to interpret model diagnostics.
Familiarity with Git for version control; interest in containerization (Docker) and cloud concepts (AWS/GCP/Azure) is advantageous.

Nice to have

Coursework or projects demonstrating model evaluation, cross-validation, hyperparameter search, or simple deep learning.
Exposure to experiment tracking tools, collaborative development (code reviews), or basic model deployment workflows.
Strong communication skills and eagerness to adopt software engineering best practices. \n\nWhat we offer:
Mentorship from experienced data scientists and engineers. \n\nHands-on work on end-to-end projects with real datasets and measurable business impact.
Opportunity to learn production-aware data science practices and advanced techniques.
A collaborative environment where technical growth and best practices are encouraged.

Duration: Minimum 6 months (flexible)

The role

About this opportunity:
Our Exciting Opportunity We are seeking a technically curious Data Science Intern to join our applied analytics team. You will collaborate with experienced data scientists and engineers to transform data into actionable insights and help deliver reproducible, well-tested analyses. This internship is hands-on: you will contribute to model development, experiment design, and end-to-end workflows while learning production-aware practices such as version control, containerization, and basic deployment patterns.

What you'll do

What you will do:

Translate business problems into measurable data questions and define evaluation criteria (metrics, baselines).
Prepare and engineer features from structured and unstructured sources; write clear, reproducible data pipelines and SQL queries.
Implement, train, and evaluate models (regression, classification, clustering, simple neural networks) with attention to cross-validation, hyperparameter tuning, and performance monitoring.
Develop notebooks and modular Python code (with unit tests and documentation) and help package work for reproducibility (Git, virtual environments, Docker basics).
Produce clear visualizations and model summaries to communicate results and limitations to stakeholders.
Collaborate in code reviews, experiment tracking, and model validation; learn essentials of MLOps (model versioning, basic deployment concepts).

To be successful in the role you should have: Education & Knowledge:

About Ericsson

Ericsson is a global leader in telecommunications technology, providing networking, digital services, and managed services to telecom operators and other industries. Founded in 1876, the company is headquartered in Stockholm, Sweden, and employs over 100,000 people worldwide. Ericsson is a key player in the development of 5G networks and has a strong portfolio of patents and innovations in mobile communications.

In Spain, Ericsson has a significant presence with offices in Madrid and Barcelona, focusing on software development, network management, and research. The company is known for its inclusive work culture and offers opportunities for international professionals, particularly in engineering and software development roles. With a strong commitment to innovation and sustainability, Ericsson provides a dynamic environment for those looking to advance their careers in the telecom industry.

Industry
Telecommunications
Founded
1876
Employees
100,000+
Headquarters
Stockholm, Sweden
In Spain
Madrid, Barcelona

Good to know if you are moving

  • Ericsson has a strong international presence, with employees from over 150 nationalities, making it a welcoming environment for international professionals.
  • The company offers a structured internship program, the 'Change Maker Internship', which is open to international students and recent graduates.
  • Ericsson is a leader in 5G technology, providing opportunities to work on cutting-edge telecom innovations.
  • The Spanish offices in Madrid and Barcelona are key hubs for software development and network management, offering roles in English and Spanish.
  • Ericsson provides relocation support and visa assistance for international hires, depending on the role and location.
All open roles at Ericsson

Location

Ericsson · Madrid

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