Founding Security Engineer

Exa
San Francisco
Workplace: OnsiteFull timeUSD 150,000 - 300,000 annuallyFunction: CybersecuritySkills: ["Problem-solving","Communication","Teamwork"]

Founding Security Engineer at Exa responsible for building and securing a scalable, cloud-based infrastructure for a cutting-edge AI search platform. You’ll design and implement secure networking, secrets and key management, and compliance programs, while supporting velocity of engineering teams across distributed systems and GPU clusters in a high-visibility startup environment.

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FursaFursa
Exa
Exa
7 months ago

Founding Security Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 8 hours agoStatus: Live

Job Summary

Founding Security Engineer at Exa responsible for building and securing a scalable, cloud-based infrastructure for a cutting-edge AI search platform. You’ll design and implement secure networking, secrets and key management, and compliance programs, while supporting velocity of engineering teams across distributed systems and GPU clusters in a high-visibility startup environment.
Location: San Francisco
Workplace: Onsite
Employment Type: Full time
Job Function: Cybersecurity

Key Responsibilities

  • •Build a secrets management and rotation system used across distributed services, training jobs, and GPU clusters without impacting developer velocity.
  • •Build monitoring and alerting for anomalous behavior across APIs, internal services, and customer usage.
  • •Create security incident response playbooks and lead incident handling, from detection to post-mortem.
  • •Ensure secure infrastructure and VPN, development servers, and related hardening across engineering systems.
  • •Continuously evaluate and deploy security improvements as new technologies (OS-level, AI coding agents) are introduced.

Pay and Benefits

Salary: USD 150,000 - 300,000 annually
Equity and Bonus:Equity

Key Requirements

  • •Hands-on experience in building and maintaining secure infrastructure.
  • •Strong understanding of cloud security fundamentals including multi-account AWS permissions and architectures, IAM design, and secure CI/CD pipelines.
  • •Fluency in secrets management, key management, and certificate lifecycles (rotation, revocation, automation).
  • •Experience owning compliance efforts such as HIPAA, SOC 2, etc.
Experience:AISecurityCloudSaaS
Skills:Problem-solvingCommunicationTeamwork
Tech Stack:RustAWSCI/CDVPNKMS

Eligibility

Visa:H1B
Work Authorization:Sponsorship available.

Company Brief

Exa
Builds an embeddings-based neural search engine and web search API for AI applications, offering crawling, retrieval, and deep research tools to serve developers and AI agents with up-to-date web knowledge.
Industry: API Platforms
Company Size: Small (11 to 50 employees)
Growth: Scaleup
Valuation: USD 500M to 1B
Funding: Series B
Headquarters: San Francisco, United States
Founded: 2021
WebsiteLinkedIn