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Senior Software Security Engineer, Infrastructure & Identity

depthfirst· Engineering
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San FranciscoFull-timePosted 4w ago

About the role

Role focused on building and maturing security foundations for depthfirst's infrastructure, with emphasis on cloud security, IAM, identity, access management, and automation to scale secure configurations.

Responsibilities

  • Shape our infrastructure security foundations as one of our first security engineers, identifying the highest-impact risks and driving improvements from design through production.
  • Improve our cloud security posture across IAM, networking, and system security, building controls that make secure configurations the default.
  • Strengthen identity and access management across our infrastructure and product, partnering with engineering teams on authentication, authorization, human and workload identities, and secrets management.
  • Write and maintain production software, tooling, and automation to prevent security issues, detect configuration drift, and reduce manual security work.
  • Work closely with infrastructure and product engineers to review designs, address vulnerabilities, and deliver practical security improvements that scale with the business.
  • Help mature centralized security logging and our detection and response capabilities as the security function grows.

Qualifications

  • Strong software engineering skills and deep understanding of security principles, best practices, and common vulnerabilities.
  • A proactive mindset, with the ability to identify and address security gaps or inefficiencies through automation and tooling.
  • A track record of delivering scalable solutions and driving impactful changes across infrastructure in real-world projects.
  • Expertise in the security of cloud platforms (e.g., Amazon AWS), familiarity with container security, orchestration security, and authentication/authorization.
  • Strong written and verbal communication skills, with the ability to explain complex security issues to both technical and non-technical audiences.

Skills

Required:Software engineeringCloud security (AWS)Container and orchestration securityIdentity and access managementAutomation and tooling

Benefits

  • Competitive salary with meaningful equity
  • Health, vision, and dental insurance
  • Office lunch and dinner (SF office)
  • Ownership and significant room to grow as the company scales
Last updated Sep 25, 2026. Interested? Apply on the company site.
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About depthfirst

Autonomous Security from Design to Production

An AI-native platform that understands your code, business logic, and infrastructure to find more vulnerabilities, slash false positives, and give developers actionable fixes in their workflow.

SecurityAIVulnerability DetectionStatic AnalysisDynamic TestingSupply Chain Security
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