Perplexity

Member of Technical Staff (Offensive Security Engineer)

Perplexity
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7 months ago
Remote, United States +3 moreSenior
H1B sponsor

Base Salary

$220k - $405k/yr

Responsibilities

  • Plan and execute red team and purple team engagements simulating advanced threat actors across cloud infrastructure, endpoints, and application surfaces.
  • Conduct continuous penetration testing of web applications, APIs, mobile clients, browser extensions, cloud infrastructure, and internal services.
  • Assess AI/ML-specific attack surfaces, including prompt injection, model exfiltration, agent abuse, tool-use exploitation, and MCP security boundaries.
  • Develop and maintain custom offensive tooling, exploits, and automation.
  • Perform adversary simulations to test detection and response capabilities in collaboration with the defensive security team.
  • Lead threat modeling sessions with engineering teams and identify and prioritize attack vectors.
  • Communicate actionable findings to technical and executive audiences and partner with engineering to validate remediations.
  • Assess CI/CD pipelines, supply chain integrity, and secrets management from an offensive security perspective.
  • Track emerging attack techniques, vulnerability research, and adversary tradecraft.

Requirements

  • At least 5 years of hands-on experience in offensive security, red teaming, or penetration testing.
  • Deep expertise in at least two of cloud security, web/API application security, Kubernetes and container security, macOS/Linux endpoint security, network penetration testing, or CI/CD pipeline security.
  • A track record of discovering impactful vulnerabilities or developing novel attack techniques in production environments.
  • Strong programming and scripting skills in Python, Go, or similar languages, including the ability to write custom tooling and exploits.
  • Experience with Burp Suite, Cobalt Strike, Sliver, Mythic, Metasploit, BloodHound, nuclei, or comparable offensive tools.
  • Experience assessing AI/ML systems, LLM applications, or agentic workflows for security vulnerabilities.
  • Excellent written and verbal communication skills and the ability to translate technical findings into clear risk narratives.
  • Preferred qualifications include published security research, conference talks at DEF CON, Black Hat, or BSides, CVE credits, or meaningful bug bounty contributions.
Perplexity

About Perplexity

1,001-5,000 employees

Perplexity builds an AI-powered answer engine for web and mobile and an enterprise product, Perplexity Computer, for AI-driven workflows across tools and apps. The company monetizes through individual subscriptions (Perplexity Pro) and enterprise plans. Founded in 2022 and headquartered in San Francisco, it operates as a privately held company.

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