FieldGuide
Senior Software Security Engineer
$215K–$230K
San Francisco, CA +1 · Hybrid · Senior · Full-time · Posted Oct 13, 2026
- Location
- San Francisco, CA
Remote (USA) - Experience
- 5+ years as a software engineer.
About the job
Build and ship software security systems that protect Fieldguide’s cloud infrastructure, engineering workflows, and AI agents handling audit work.
What you'll do
- Partner with engineering to identify risks and build secure frameworks and libraries.
- Build identity and secrets management systems, and harden cloud security controls with automated detection and remediation.
- Design AI agent security, including permission boundaries, prompt-injection defenses, and tenant isolation; provide security design reviews and coaching.
What they ask for
- 5+ years of experience as a software engineer shipping production services, libraries, or platforms.
- Led a security initiative from design through adoption.
- Hands-on identity and secrets management experience, including OAuth 2.0 and OIDC.
- Familiarity with Kubernetes security primitives, including RBAC, namespaces, network policies, and admission controllers.
Nice to have
- Experience with developer security tooling such as SAST, dependency scanning, or secure build infrastructure.
- Experience with SAML or SPIFFE/SPIRE, workload authentication systems, or securing LLM-based or agentic systems.
Pay
$215K – $230K USD base salary
Tools
Python, TypeScript, GraphQL, AWS, Kubernetes, Terraform, OAuth 2.0, OIDC
AI focus
Build security for AI agents performing audit work, including permission boundaries, prompt-injection defenses, and tenant isolation.
Model-written summary · the original posting is authoritative