Top 15
Prep plan
Updated weekly · Last refresh Oct 17

Palantir Security Engineer Interview Questions

The questions to prepare for a Palantir Security Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 3 questions · ~28 min
Coding Practice for SecurityEasy
Practice

Count how many coding practice questions are labeled easy or medium using one linear scan.

CodingleetcodeArraysPalantir
API Rate Limiting Against Brute ForceMedium

Evaluates design skills for abuse prevention and resilient API protection mechanisms.

rate limitingPalantir
Log Parsing for IOCsMedium

Evaluates practical scripting skills for extracting security-relevant signals from high-volume logs.

log parsingscriptingPalantir
2
Security & Infrastructure11 questions · ~103 min
Application Security Code ReviewHard

Review an unfamiliar codebase, identify exploitable vulnerabilities, prioritize risk, and propose controls with evidence-based verification.

application securityattack surfacecode securityPalantir
Secure Microservice CommunicationHard

Design authenticated, encrypted, authorized, observable communication between microservices using TLS 1.3 and workload identity.

authenticationcryptographymtlsPalantir
Preventing Java Deserialization AttacksHard

Assess Java deserialization threats and design controls that prevent gadget-chain RCE, tampering, and denial of service.

javasecurity risksapplication securityPalantir
Investigating a Complex IncidentHard

Explain how you investigated a complex security incident, correlated evidence, and defended your final conclusion.

cybersecuritynetwork securityAnalysisPalantir
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3
More topics1 question · ~9 min
Overcoming a Role ChallengeEasy

Tests ownership, adaptability, prioritization, and the ability to produce results while navigating a difficult work challenge.

challengeadaptabilityaccountabilityPalantir
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