JOB DETAILS

Senior Data Analytics & Data Modeling Consultant (m/f)

CompanyARHS
LocationLuxembourg
Work ModeOn Site
PostedJune 10, 2026
About The Company
Arηs Group, Part of Accenture - is a market leader in the management of complex IT projects and systems. Founded in Luxembourg in 2003. With our focus on getting things done, we help our clients achieve their goals with best-of-breed solutions, superior execution and exceptional services. We offer bespoke software development, data science, infrastructure, digital trust and mobile development to government institutions at national and European level, telecom providers, and financial institutions, among others. Our bold company culture is built around working hard and playing hard, with a flat and agile structure that lends itself to efficiency and employee empowerment. We value our diverse workplace of close-knit teams and provide a place where everyone can be supported to learn and evolve.
About the Role

Company Description

Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development.

Arηs Group was acquired by Accenture in July 2024.

Job Description

ARHS Group, part of Accenture, is looking for a Senior Data Analytics & Data Modelling Consultant (m/f) to join one of our client teams onsite in Luxembourg within a European institutional environment.

THE WORK:

Data Modelling & Reporting Foundations

  • Design and maintain robust data models that support reporting and analytics solutions.
  • Define and standardize KPIs, dimensions, hierarchies, and business rules across datasets.
  • Ensure consistency between data structures, business definitions, and reported figures.
  • Support and enhance reporting solutions built on Power BI, SAP Analytics Cloud (SAC), and SAP Business Objects.
  • Continuously improve and automate data models and reporting processes.

Data Quality Management

  • Identify, analyze, and resolve data quality issues through root-cause analysis.
  • Design and implement data quality controls and validation rules.
  • Monitor data quality indicators and investigate anomalies.
  • Collaborate with business and technical stakeholders to define and deploy new controls.
  • Contribute to the evolution of data quality frameworks and governance practices

Data Analysis & Automation

  • Analyze complex datasets to identify trends, patterns, and performance drivers.
  • Use Python and SQL for data transformation, validation, automation, and analysis.
  • Perform exploratory analyses and provide actionable insights to stakeholders.
  • Support data-driven decision-making through reliable and well-structured analytics.

Onsite at client site: This role requires an onsite presence with our clients and partners to support project delivery and strengthen client relationships.

Our roles require in-person time to encourage collaboration, learning, and relationship-building with clients, colleagues, and communities. As an employer, we will be as flexible as possible to support your specific work/life needs.

HERE’S WHAT YOU’LL NEED:

  • Minimum 5 years of experience in Data Analytics, Business Intelligence, Data Management, Data Warehousing, or a related field.
  • Strong expertise in data modelling for reporting and analytics.
  • Advanced experience with Power BI, SAP Analytics Cloud (SAC), and/or SAP Business Objects.
  • Proven experience implementing and maintaining data quality controls and validation frameworks.
  • Strong Python skills for data processing, automation, and data quality logic.
  • Advanced SQL skills.
  • Ability to translate business requirements into robust analytical and reporting solutions.
  • Strong analytical, communication, and stakeholder management skills.
  • Experience working with both business and technical teams.
  • Fluency in English (written and spoken).

BONUS POINTS IF YOU HAVE:

  • Experience with data governance initiatives.
  • Knowledge of data warehousing and ETL processes.
  • Experience in large enterprise or institutional environments.
  • Familiarity with Agile delivery methodologies.

As part of our security and compliance procedures, candidates will be required to undergo a criminal background check prior to employment.

Key Skills
Data ModellingPower BISAP Analytics CloudSAP Business ObjectsPythonSQLData Quality ManagementData AnalysisKPI DefinitionStakeholder ManagementData WarehousingETL ProcessesAgile MethodologiesData GovernanceBusiness IntelligenceEnglish Fluency
Categories
Data & AnalyticsConsultingTechnologyGovernment & Public SectorSoftware
Job Information
📋Core Responsibilities
Design and maintain robust data models and reporting solutions using Power BI and SAP tools. Implement data quality controls and perform complex data analysis using Python and SQL to provide actionable insights.
📋Job Type
full time
📊Experience Level
5-10
💼Company Size
1385
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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