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Senior Software Security Engineer
Fieldguide. Partner with engineering to identify major system risks before release .
Posted 10/13/2026full-timeSan Francisco • California • United StatesSenior💰 $215,000 - $230,000 per yearWebsite
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in building and maintaining security-relevant systems, with a focus on identity and secrets management, cloud security controls, and infrastructure-as-code practices. Proven ability to lead security initiatives and collaborate effectively with engineering and product teams.
Highest-signal resume keywords
Identity And Secrets ManagementKubernetes Security PrimitivesInfrastructure-As-Code ScanningSecurity Initiative LeadershipCloud Security Posture Management
ATS Keywords
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Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
OAuth 2.0OIDCRBACNetwork PoliciesSAMLSPIFFESPIREThreat ModelingRisk PrioritizationDeveloper Security Tooling
Soft Skills
CollaborationCoachingDesign Review
Tools & Technologies
KubernetesAI AgentsSecurity ModelsAutomated RemediationCredential Issuance
Industry Keywords
Cloud SecurityTenant IsolationPrompt InjectionWorkload AuthenticationContinuous Security
Tech Stack
Tools & technologiesCloudKubernetes
About the role
Key responsibilities & impact- Partner with engineering to identify major system risks before release
- Build secure frameworks and libraries that make control adoption easy
- Build and maintain identity and secrets management systems, including credential issuance, rotation, and workload authentication
- Move toward short-lived, workload-based identity across cloud and Kubernetes environments
- Harden cloud security controls and contribute to continuous cloud security posture management
- Implement infrastructure-as-code scanning, misconfiguration detection, and automated remediation
- Design security models and permission boundaries for AI agents performing audit work
- Protect AI agents against prompt injection in untrusted documents
- Ensure strict tenant isolation across the agentic platform
- Raise security standards through design reviews and coaching
- Report to the Lead Security Engineer and collaborate with Product and Platform teams
Requirements
What you’ll need- 5+ years of software engineering experience building and maintaining security-relevant systems in production
- Led a security initiative from design through adoption
- Hands-on experience with identity and secrets management, including OAuth 2.0 and OIDC
- Familiarity with Kubernetes security primitives, including RBAC, namespaces, network policies, and admission controllers
- Ability to reason about trust boundaries and threat models to prioritize risk
- Experience with developer security tooling such as SAST, dependency scanning, or secure build infrastructure (bonus)
- Experience with SAML or SPIFFE/SPIRE, or building workload authentication systems from scratch (bonus)
- Experience securing LLM-based or agentic systems (bonus)
Benefits
Comp & perks- Meaningful ownership/equity
- Flexible PTO
- 401k
- Wellness benefits, including a bundle of free therapy sessions
- Technology reimbursement
- Work From Home reimbursement
- Flexible work schedules