Top 12
Prep plan
Updated weekly · Last refresh Oct 17

Dalkia Data Analyst Interview Questions

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

12questions
~2htotal time
Track your progressSign up free to work through all 12 questions and resume where you left off.
Start practicing free →
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
Energy Dashboard Build ApproachMedium

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

data visualizationdashboard designDalkia
Cleaning Messy DatasetsMedium

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

analytical skillsdata cleaningdata integrityDalkia
Excel and Power BI ReportingEasy

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

Excelpower biDalkia
Cleaning a DatasetHard
Practice
Practice drill

Clean, validate, standardize, and deduplicate shift records with PostgreSQL.

data cleaningData Wranglingdata validationClipboard Health
Data Integrity in AnalysesMedium
Practice
Practice drill

Audit claims for missing members, invalid amounts, and payment totals that exceed billed amounts.

JoinsData Wranglingdata validationHealthfirst (New York)BBritvic Soft DrinksAttentive
Cleaning a Messy DatasetMedium
Practice
Practice drill

Filter invalid game events and normalize event names using PostgreSQL string and null handling.

missing valuesdata cleaningnull handlingQuantiumScopelyCarvana

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
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
Responding to Critical Research FeedbackEasy

Tests how you handle critical feedback on research, adapt your approach, and maintain ownership under ambiguity.

CommunicationOwnershipDealing With AmbiguityDalkia
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
More Behavioral & Leadership questions with a free account
The finish line: interview-readyComplete all 12 questions plus 3 hands-on drills to finish this plan.