Offensive Security Engineer

About this role

Palantir seeks an Offensive Security Engineer to conduct authorized penetration testing of internal systems and infrastructure, develop LLM-powered security tools, and coordinate third-party assessments. You'll identify attack paths, work with engineering teams on remediation, and help build the next generation of automated offensive security capabilities.

What you'll do

• Perform penetration testing on internal applications, infrastructure, and cloud environments using adversarial techniques
• Chain security findings into realistic attack scenarios and document exploitable pathways
• Collaborate with product and infrastructure engineers to remediate identified vulnerabilities
• Design and develop agentic offensive security tools that leverage LLMs to automate tradecraft
• Manage and coordinate third-party penetration testing engagements, including scoping and risk prioritization
• Transform external assessment results into actionable remediation plans

What they're looking for

• Penetration testing and attack chain development
• Cloud security assessment (AWS, Azure, or GCP)
• Network and infrastructure security testing
• Application security and vulnerability analysis
• LLM and AI systems familiarity
• Security tooling development
• Communication and stakeholder coordination
• Threat modeling and risk prioritization