Perplexity · 3 months ago
Detection & Response Engineer
Austin
Full-time
Onsite
Mid, Senior Level
$200K/yr - $280K/yr
4+ years expPerplexity is an AI-powered answer engine that is rapidly growing as a leading AI platform. They are seeking a highly skilled Detection & Response Security Engineer to build and operate detection and response systems that ensure user and business security while enabling innovation.
Artificial Intelligence (AI)ChatbotMachine LearningNatural Language ProcessingSearch Engine
Responsibilities
Design and implement scalable detection and response solutions that integrate directly into engineering and IT workflows
Lead threat detection projects, investigation workflows, and technical incident response for security events
Build and maintain infrastructure and tools for detection rule lifecycle management and continuous improvement
Develop, measure, and tune detection rules for effective and sustainable operations across our environment (cloud, endpoints, SaaS, AWS, macOS, Windows, etc.)
Automate manual response processes and containment actions for security incidents
Ensure deep visibility and control over identity, endpoints, productivity suites, and cloud resources
Collaborate with engineering, IT, and product teams to investigate, remediate, and drive incident postmortems
Drive improvements in IAM, device management, and cloud usage securely
Stay current on adversary tactics, techniques, and procedures; drive ongoing maturity of our detection and response program
Work with external partners (pen testing firms, bug bounty researchers) to rapidly detect and respond to new vulnerabilities and threats
Qualification
Required
4+ years of experience in Security Operations, Detection & Response, Incident Response, or similar roles
Strong knowledge of detection engineering, response automation, and SIEM/SOAR toolchains
Experience designing or managing monitoring infrastructure for endpoints, cloud, and SaaS environments
Familiarity with adversary TTPs, threat intelligence, and modern attacker methods
Proficiency in scripting languages (Python, Bash, PowerShell, etc.) for automation
Experience with cloud infrastructure platforms (preferably AWS, Azure)
Ability to independently run investigations, manage projects, and prioritize efforts for risk reduction
Preferred
Experience collaborating on cutting-edge AI research or using AI to improve detection and response
Benefits
Comprehensive health, dental, and vision insurance for you and your dependents.
Includes a 401(k) plan.
Company
Perplexity
Perplexity is an AI-powered answer engine designed to provide accurate, real-time responses to user queries.
201-500 employees
H1B Sponsorship
Perplexity has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (12)
2024 (7)
2023 (2)
Funding
Current Stage
Late StageTotal Funding
$1.48BKey Investors
Cristiano RonaldoNuVenturesAccel
2025-12-05Undisclosed
2025-09-10Series Unknown· $200M
2025-08-15Secondary Market
Leadership Team
Aravind Srinivas
Cofounder, President, CEO
Denis Yarats
Co-Founder & CTO
Recent News
2026-01-12
Business Insider
2026-01-11
2026-01-11
Company data provided by crunchbase