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Prep plan
Updated weekly · Last refresh Oct 17

Splunk Applied Scientist Interview Questions

The questions to prepare for a Splunk Applied Scientist interview. Questions from real interview reports rank first. Updated daily.

23questions
~4htotal time
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1
CodingStart here. 5 questions · ~52 min
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysSplunk
Sorting Algorithm ProblemMedium
Practice

Order Bentley iTwin model updates by priority and timestamp using a stable merge sort without Python's built-in sorting.

RecursionCodingSortingSplunk
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2
Machine Learning3 questions · ~31 min
Experience with ML TechniquesEasy

Describe your hands-on experience applying supervised learning, feature engineering, and model evaluation in real projects.

Cross-ValidationFeature EngineeringSupervised LearningSplunk
Feature Engineering for Predictive ModelsMedium

Explain how to choose, transform, and validate features for a predictive model using a structured ML workflow.

Cross-ValidationFeature EngineeringSupervised LearningSplunk
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3
System Design4 questions · ~42 min
Scalable ML System DesignHard

Tests your ability to design ML systems that scale reliably with strong data and operational constraints.

Feature StoreFeature DriftModel ServingSplunk
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4
Behavioral & Leadership8 questions · ~83 min
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5
More topics3 questions · ~31 min
Validate a Machine Learning ModelEasy

How to validate a machine learning model and interpret whether its metrics are trustworthy.

PrecisionAccuracyRecallSplunk
NLP or Time-Series ExperienceMedium

Tests applied ML experience and your ability to connect modeling work to analytics use cases.

Language ModelsText ClassificationTokenizationSplunk
Data Quality and IntegrityMedium

Tests your approach to validation, lineage, and integrity controls for trustworthy analytics.

Data WranglingCTEsAggregationsSplunk
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 23 questions plus 3 hands-on drills to finish this plan.