Data Analyst

Altia; Madrid; Presencial; EUR 42.000 - 64.000; Jornada completa

Descripción de la vacante

Altia is seeking a Data Analyst to join our European IT consultancy team working on international projects for a major European agency. You will collect, clean and analyse data, create dashboards, and provide actionable insights using SQL, Python or R and visualization tools.

The role requires strong English, experience with data warehousing concepts and tools like Power BI, Snowflake, and dbt, and a proactive approach to data quality and storytelling with data.

Formación

• Knowledge of data analysis and manipulation using SQL, Python, or R to extract, transform, and analyse structured and unstructured datasets.
• Experience with data visualization and reporting tools (Power BI, Qlik, Microsoft Fabric) to design dashboards and reports.
• Knowledge of statistical analysis methods and tools (SPSS, R, Python libraries) to support insights.
• Familiarity with spreadsheet tools, especially Excel.
• Knowledge of data warehousing concepts and platforms (Snowflake, BigQuery, Microsoft Fabric) to support scalable reporting.
• Knowledge of data preparation and transformation tools (Alteryx, Power Query, dbt) to ensure clean datasets.
• High level of English.

Responsabilidades

• Collect and clean data from various sources.
• Analyse datasets to identify trends and patterns.
• Create interactive dashboards and reports with data storytelling and defined SLAs.
• Collaborate with stakeholders to understand data needs.
• Develop and maintain dashboards and reporting tools with clear documentation and update schedules.
• Perform statistical analysis to support decision-making.
• Ensure data accuracy and consistency through data quality checks and reconciliation with source systems.

Conocimientos

SQL

Python

R

Data visualization

Excel

Data storytelling

English

Analytical thinking

Communication

Herramientas

Power BI

Qlik

Microsoft Fabric

Snowflake

BigQuery

Alteryx

Power Query

dbt

SPSS

Descripción del empleo

Do you want to start a new professional challenge? Check out our new opportunity!

We are looking to incorporate a Data Analyst to our team.

About us

We are an IT Consultant Group that provides services and creates digital solutions to improve the lives of citizens across Europe. Check out our website: www.altia.es/en

Our project and team

This is your opportunity to start working on international projects with a highly qualified team and applying the latest technologies.

You will join our European team, specifically the one involved in several projects for a significant European Agency.

Minimum Requirements

Required Knowledge

• Knowledge of data analysis and manipulation using SQL, Python, or R to extract, transform, and analyse structured and unstructured datasets.
• Experience with data visualization and reporting tools (e.g., Power BI, Qlik, Microsoft Fabric) to design interactive dashboards and reports.
• Knowledge of statistical analysis methods and tools (e.g., SPSS, R, Python libraries) to support evidence-based insights.
• Familiarity with spreadsheet tools, especially Microsoft Excel.
• Knowledge of data warehousing concepts and platforms (e.g., star/snowflake schemas, Microsoft Fabric, Snowflake, BigQuery) to support scalable reporting.
• Knowledge of data preparation and transformation tools (e.g., Alteryx, Power Query, dbt) to ensure clean and reliable datasets.
• High level of English.

Main Responsibilities

• Collect and clean data from various sources.
• Analyse datasets to identify trends and patterns.
• Create interactive dashboards and reports that utilise data storytelling to effectively present findings, with defined refresh cadences and Service Level Agreements (SLAs) for key deliverables.
• Collaborate with stakeholders to understand data needs.
• Develop and maintain data dashboards and reporting tools that provide intuitive access to key metrics and insights, supported by clear documentation and update schedules.
• Perform statistical analysis to support decision-making.
• Ensure data accuracy and consistency through the implementation of data quality checks, validation rules, and regular reconciliation processes with source systems.

Skills:

• Ability to analyse datasets, detect trends, and deliver evidence-based insights.
• Skill in presenting findings with visuals and storytelling that support decisions.
• Commitment to maintaining accuracy, consistency, and integrity in reporting.
• Ability to resolve data issues and propose actionable improvements.
• Competence in managing tasks and delivering insights on time.
• Drive to explore new methods, tools, and data sources proactively.
• Ability to interpret analytical findings to tell a compelling story that clearly prescribes business actions and drives strategic decision‑making.
• Ability to understand, speak and write English, optionally French as an additional asset.

This job offer has been drafted with impartiality and non-discrimination on the basis of gender, race, ideology or any other grounds in mind. In particular, it complies with current regulations on gender equality between women and men (Royal Decree‑Law 6/2019)