Security Engineer - Application Security (Senior)

Cogent Security

Remote regions

US

Salary range

$100,000–$300,000/yr

Benefits

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Responsibilities:

  • Embed security into the software development lifecycle: threat modeling, secure design reviews, and secure-coding guidance.
  • Own application security testing - code review, SAST/DAST, and triage - and drive issues to remediation.
  • Harden our software supply chain: dependency verification, safe dependency management, and CI/CD pipeline security.

Requirements:

  • 5+ years of extensive security engineering experience within product/application security.
  • Strong hands-on engineer who ships and automates, not just manages process.
  • Strong software engineering skills across the stack (e.g. Python, Go, Typescript).

Bonus:

  • Experience securing AI/ML products or agentic systems.
  • Background in developer-enablement or security-champions programs.
  • Prior experience as an early security hire or building an AppSec function from scratch.

Cogent Security

Cogent is an Applied AI Lab building the next generation of AI agents for cybersecurity, using AI to assess petabytes of enterprise data and remediate critical breaches. We're backed by Greylock, have experienced rapid growth, and our team includes top minds from Stanford, Deepmind, and leading tech companies.

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