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Lockheed Martin Software Engineer Interview Questions

The questions to prepare for a Lockheed Martin Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
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1
CodingStart here. 22 questions · ~176 min
Debugging Runtime ErrorsMedium

Tests systematic debugging skills for runtime and memory-related failures.

memory managementDebuggingLockheed Martin
Stack vs Linked ListMedium

Tests data structure knowledge and time complexity reasoning.

StackData StructuresLockheed Martin
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2
System Design5 questions · ~40 min
Hardware-Software IntegrationMedium

Assesses experience bridging software with embedded or hardware platforms.

microcontrollersLockheed Martin
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3
Execution11 questions · ~88 min
Security-Relevant Resume NarrativeEasy

Tests your ability to clearly communicate your security work and its impact.

Risk AssessmentScope ManagementLockheed Martin
Past Projects OverviewEasy

Tests your ability to summarize relevant work and highlight impact for research analysis.

Success CriteriaRoadmappingScope ManagementLockheed Martin
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4
Security & Infrastructure5 questions · ~40 min
Systems Engineering PrinciplesMedium

Assesses understanding of systems engineering concepts relevant to aerospace and defense.

technical knowledgeLockheed Martin
Signal Sampling Without LossHard

Evaluates understanding of sampling theory and signal processing fundamentals.

technical knowledgeLockheed Martin
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5
Behavioral & Leadership6 questions · ~48 min
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6
More topics1 question · ~8 min
Approach to an Unspecified DatasetMedium

Evaluates analytical thinking and methodical approach to data tasks.

Data AnalysisLockheed Martin
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Sum From 1 to 1,000,000Easy
Practice
Practice drill

Calculate the sum of integers from 1 to 1,000,000 using PostgreSQL aggregation and filtering.

AlgorithmsVirtu Financial
SQL: Complex Expression ResultHard
Practice
Practice drill

Calculate digit-power scores such as 3^1 + 6^2 + 7^3, then rank completed HCA requests by facility.

ProgrammingHCA Healthcare
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 optimizationsqlRemitlyCurrent (NY)Crypto
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.