Cloud Security Engineer

Perplexity is an AI-powered answer engine founded in December 2022 and growing rapidly as one of the world’s leading AI platforms. Perplexity has raised over $1B in venture investment from some of the world’s most visionary and successful leaders, including Elad Gill, Daniel Gross, Jeff Bezos, Accel, IVP, NEA, Nvidia, Samsung, and many more. Our objective is to build accurate, trustworthy AI that powers decision-making for people and assistive AI wherever decisions are being made. Throughout human history, change and innovation have always been driven by curious people. Today, curious people use Perplexity to answer more than 780 million queries every month–a number that’s growing rapidly for one simple reason: everyone can be curious. 

Perplexity is seeking a highly experienced and hands-on Cloud Security Engineer to join our dynamic security team, revolutionizing the way people search and interact with the internet. In this role, you’ll lead efforts to build and maintain secure, scalable infrastructure that empowers engineers to innovate quickly and safely.

Responsibilities

• Partner with infrastructure and engineering teams to embed security into development workflows and promote secure-by-default patterns
• Build Terraform modules with built-in security guardrails, such as logging, encryption, and automated threat detection enablement
• Deploy cloud-native detection capabilities using AWS GuardDuty, Security Hub, and custom detection rules to identify credential compromise, crypto-mining, and lateral movement
• Maintain SOC 2 Type II and ISO 27001 compliance through automated collection of cloud control evidence
• Conduct security audits of cloud resource configurations using tools like AWS Config and Open Policy Agent, and remediate deviations from CIS Benchmarks and our internal security policies
• Secure CI/CD and supply chain pipelines by implementing controls such as artifact signing, secret scanning, and dependency monitoring
• Apply zero trust principles through strict network segmentation, authentication, and authorization across our cloud environments
• Participate in the security on-call rotation and respond to security alerts and incidents to ensure rapid mitigation and root cause analysis

Qualifications

• 4+ years of experience in Cloud Infrastructure, Platform Engineering, or similar roles
• Proven track record of building and scaling infrastructure at high-growth technology companies
• Deep understanding of cloud-native architectures, microservices, and distributed systems
• Experience securing CI/CD pipelines, deployment automation, and internal tooling
• Strong programming skills in Python, Go, or similar languages
• Bonus: Experience with AI/ML infrastructure and multi-cloud environments

The cash compensation range for this role is $200,000 - $280,000.

Final offer amounts are determined by multiple factors, including, experience and expertise, and may vary from the amounts listed above.
 
Equity: In addition to the base salary, equity may be part of the total compensation package.
Benefits: Comprehensive health, dental, and vision insurance for you and your dependents. Includes a 401(k) pla