Eltrona is the historic cable television provider in Luxembourg. The company is 100% owned by the Belgian cable company Telenet (a subsidiary of Liberty Global). Eltrona operates a hybrid fiber-coaxial network that can deliver ultra-high-speed internet to more than 80% of households and businesses in Luxembourg.
The company’s mission is to become the leading alternative internet service provider, significantly increase its market share, and transform into a high-performing telecommunications company.
It is in this context that we are looking for a Full time Data Analyst
The Data Analyst will play a foundational role in building our analytics and data ecosystem from the ground up. This position bridges business needs, analytics, and data engineering, and ensures continuity of existing R and Python-based analytical scripts, while enabling scalable reporting and self-service analytics across departments.
Key Responsibilities
- Collect, structure, validate, and analyze internal and external data from multiple sources
- Transform raw and fragmented data into clear, reliable, and actionable insights for business stakeholders
- Ensure insights are presented in a tangible, concise, and audience-appropriate way to support and influence deci-sion-making
- Develop, maintain, and evolve analytics assets using R and Python (existing scripts and new developments)
- Design and build dashboards, reports, and KPI frameworks covering metrics requested by all departments
- Enable and support self-service analytics while ensuring data consistency and quality
- Actively contribute to the definition and implementation of the company’s Data Warehouse, starting from a non-existent or low-maturity state
- Collaborate with IT and business teams to define data models, KPIs, metrics, and data quality rules
- Identify trends, patterns, and forecasts using statistical and analytical techniques
- Automate data preparation, analysis, and reporting processes where relevant
- Document analytics processes, datasets, and assumptions to ensure transparency and reusability
- Support management and departments with data-driven analysis and ad-hoc requests
- Collaborate closely with the IT Manager and technical teams to align analytics, infrastructure and data strategy.
Technical and Soft Skills
Strong proficiency in R (mandatory) for data analysis, scripting, and automationGood knowledge of SQL and structured data queryingKnowing Python for analytics, data processing, and automation is an advantageExperience with BI and data visualization tools (e.g. Power BI, Tableau, Looker or equivalent)Strong understanding of data modeling, KPIs, metrics definition, and reporting logicFamiliarity with statistical analysis, forecasting techniques, and trend analysisAbility to design scalable analytics assets aligned with future Data Warehouse architecturesStrong analytical and problem-solving mindsetAbility to communicate complex data insights clearly to non-technical audiencesComfortable working with ambiguity and evolving requirementsAutonomous, proactive, and results-orientedStrong sense of ownership and accountabilityAbility to manage multiple requests from different departmentsStructured, organized, and detail-orientedCollaborative mindset and ability to work in cross-functional teamsRequired and Preferred Experience
Experience in Business Intelligence, Data Analytics, or Analyt-ics Engineering rolesHands-on experience with R (mandatory) andknowledge with Python for data analysisExperience designing and maintaining dashboards, reports,and KPI frameworksExperience working with multiple, heterogeneous data sourcesExperience translating business needs into actionable insights Experience contributing to data foundations or analytics plat-form setups (including early-stage Data Warehouse initia-tives)Experience collaborating with IT and business stakeholdersWhat we offer
Permanent contract (CDI)Flexible working hours, with the possibility of remote workDynamic work atmosphere in a growing companyMeal vouchersExtra-legal benefits, including a free Eltrona subscription