Senior Applied Data Scientist - Data Architecture & Feature Engineering

Keysight Technologies; Barcelona; Presencial; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

A global technology company in Barcelona is seeking a Senior Applied Data Scientist. You will explore complex engineering data and architect scalable data infrastructures to support AI model development. Required qualifications include a Master’s degree in a quantitative field and at least 5 years in a relevant role. Strong skills in Python, SQL, and big data tools like Spark are essential. The role offers a dynamic environment with the opportunity to innovate and tackle complex data challenges.

Formación

• Master’s in Data Science, Statistics, CS, EE, or related quantitative field.
• 5+ years of experience in applied data science or hybrid DS/DE role.
• Expert proficiency in Python, SQL, and data manipulation libraries.
• Strong background in statistics, algorithms, and data structures.
• Experience with relational and NoSQL databases.

Responsabilidades

• Partner with internal experts to identify critical data sources.
• Architect and build scalable data lakes/databases.
• Clean, align, normalize, and integrate data from various sources.
• Develop and maintain ETL/ELT pipelines using SQL and Python.
• Perform EDA, feature engineering, and generate high-value insights.

Conocimientos

Python

SQL

Data manipulation libraries

Statistics

Data structures

Big data tools (Spark, Kafka)

Cloud platforms (Azure / AWS / GCP)

Educación

Master’s in Data Science, Statistics, CS, EE, or related quantitative field

Herramientas

Snowflake

Databricks

Hadoop

Docker

Kubernetes

Descripción del empleo

Keysight is on the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over 100 countries. Learn more about what we do.

Our award-winning culture embraces a bold vision of where technology can take us and a passion for tackling challenging problems with industry-first solutions. We believe that when people feel a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers.

About Keysight AI Labs

Keysight’s AI Labs is a global R&D group pioneering the integration of machine learning, generative AI into Keysight’s test, measurement, and design solutions. Our mission is to transform how engineers design, simulate, and validate advanced systems- from 6G and semiconductors to quantum and automotive - by embedding AI throughout our workflows.

About the AI Team

Join Keysight's central AI Hub in the heart of Barcelona. We are expanding our newly formed AI Team. As part of this growing team, you will join a vibrant, cross-functional environment that brings together experts in ML engineering, data science, physics-informed modeling, and software development. You’ll work closely with domain experts across RF, EM, circuit design, and test & measurement to accelerate scientific innovation through AI.

About the Role

We are seeking a Senior Applied Data Scientist with strong data engineering capabilities. You will explore complex engineering data, architect scalable data infrastructure, and shape the data foundation powering AI model development across Keysight products. This role bridges research and production, from data discovery to robust ETL/ELT pipeline design and feature creation for ML models.

Responsibilities

• Partner with internal experts to identify critical data sources and define ML-relevant features
• Architect and build scalable data lakes/databases for standardized and efficient cross-org data access
• Clean, align, normalize, and integrate data from simulations, measurements, and operational systems
• Develop and maintain reproducible ETL/ELT pipelines for structured and unstructured data using SQL, Python, Snowflake, and cloud-native workflows
• Perform EDA, feature engineering, regression, and dimensionality reduction to generate high-value insights
• Ensure data governance, lineage, metadata management, and compliance
• Support experiment design, hypothesis testing, and statistical modeling
• Work closely with ML engineers to accelerate model training, deployment, and ongoing monitoring
• Present results and actionable recommendations to product and R&D stakeholders

Required Qualifications

• Master’s in Data Science, Statistics, CS, EE, or related quantitative field
• 5+ years of experience as an applied data scientist or hybrid DS/DE role
• Expert proficiency in Python, SQL, and data manipulation libraries
• Strong background in statistics, algorithms, and data structures
• Experience with relational + NoSQL databases and designing scalable data architectures
• Hands-on experience with big data tools (e.g., Spark, Kafka, Snowflake, Databricks, Hadoop)
• Experience supporting ML workflows — MLOps, CI/CD, containerization (Docker/Kubernetes)
• Experience with cloud platforms: Azure / AWS / GCP
• Clear track record of driving data-to-value outcomes

Desired Qualifications

• Experience with measurement or simulation-heavy domains (e.g., wireless, electronics, semiconductor)
• Familiarity with deep learning frameworks and ML for time-series or unstructured data
• Visualization skills (e.g., Power BI, Tableau, Plotly)
• Knowledge of data governance, lineage, metadata management tools
• Experience with microservices and APIs
• Open-source contributions or publications

Careers Privacy Statement

Keysight is an Equal Opportunity Employer.