Top 11
Prep plan
Updated weekly · Last refresh Aug 30

Viasat Data Engineer Interview Questions

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

11questions
~1htotal time
Track your progressSign up free to work through all 11 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 3 questions + 3 drills · ~54 min
Join Types in SQLEasy

Tests SQL fundamentals and correct join selection for accurate analytics.

JoinsData ManipulationsqlViasat
Optimize Slow SQL on Large DataHard

Tests query optimization skills, performance reasoning, and practical tuning approaches.

Performance Tuningquery optimizationsqlViasat
Star vs Snowflake SchemaMedium

Tests dimensional modeling knowledge and trade-offs for analytics performance and maintenance.

data engineeringschema designData ModelingViasat
Average Vehicle Idle Time by ZoneHard
Practice
Practice drill

Use joins, a CTE, and aggregations to calculate average vehicle idle minutes in a specific geographic zone.

JoinsData ManipulationsqlWaymo
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Top Users by Recent Transaction VolumeMedium
Practice
Practice drill

Find the top 3 users by completed transaction volume in the last 30 days using joins and aggregation.

Data Analysisquery optimizationsqlTTier 1 BankRevolutChime
2
Behavioral & Leadership6 questions · ~48 min
Handling Unexpected Data Source ChangesMedium

Tests adaptability and safeguards when upstream systems change without notice.

data engineeringProblem SolvingadaptabilityViasat
Debugging Production Pipeline FailuresMedium

Tests incident response, diagnostics, and communication during production data failures.

Data QualityProblem SolvingDebuggingViasat
Challenging Pipeline WalkthroughMedium

Tests ownership, problem solving, and how you deliver reliable pipelines under constraints.

project experiencedata engineeringProblem SolvingViasat
More Behavioral & Leadership questions with a free account
3
More topics2 questions · ~16 min
The finish line: interview-readyComplete all 11 questions plus 3 hands-on drills to finish this plan.