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Updated weekly · Last refresh Aug 30

Dalkia Data Analyst Interview Questions

The questions to prepare for a Dalkia Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

12questions
~2htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 3 drills · ~70 min
Ensuring SQL Data AccuracyEasy

Explain how to ensure data accuracy in SQL workflows using validation checks, reconciliation, and careful query design.

JoinsData WranglingQualityDalkia
APIs, Databases, and NetworksMedium

Tests your foundational knowledge of how data flows from systems into databases and analytics.

APIsdatabasesDalkia
Excel and Power BI ReportingEasy

Tests your practical reporting skills using Excel and Power BI for stakeholder communication.

Excelpower biDalkia
Cleaning Messy DatasetsMedium

Tests your data cleaning methods and ability to restore data quality for analysis.

analytical skillsdata cleaningdata integrityDalkia
Energy Dashboard Build ApproachMedium

Tests your approach to designing and delivering client-ready energy analytics dashboards at Dalkia.

data visualizationdashboard designDalkia
Resolve Conflicting Customer AttributesMedium
Practice
Practice drill

Use joins, CTEs, and row ranking to resolve conflicting customer profile values across ACME House systems.

JoinsData WranglingQualityRamsey SolutionsACME House
Reconcile Conflicting Invoice TotalsMedium
Practice
Practice drill

Reconcile billing and ERP invoice totals using joins, a CTE for latest snapshots, and CASE-based discrepancy classification.

JoinsData WranglingQualityLiterati
Audit CRM Data Integrity by TeamMedium
Practice
Practice drill

Use joins and CASE WHEN to find CRM records with missing, invalid, or conflicting ownership data by team.

JoinsData WranglingQualityAlphaSense

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2
Behavioral & Leadership7 questions · ~56 min
Taking Initiative on a Financial GapEasy

Tests initiative and ownership by asking for a concrete example of proactively solving a problem with measurable business impact.

Influence Without AuthorityLeadershipOwnershipDalkia
Explaining Technical Issues ClearlyMedium

Tests whether you can translate technical complexity into business-relevant language for non-technical stakeholders and drive action.

Stakeholder ManagementCommunicationtechnical explanationDalkia
Prioritizing Across Competing ProjectsMedium

Tests prioritization under pressure across multiple projects, including time management, stakeholder communication, and ownership of trade-offs.

time managementmultitaskingPrioritizationDalkia
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The finish line: interview-readyComplete all 12 questions plus 3 hands-on drills to finish this plan.