Senior Software Security Engineer
Senior security engineer building and maintaining identity, secrets, and cloud security systems for AI infrastructure. Requires 5+ years experience, strong Python/Go/Rust skills, and cloud security expertise.
About the job
Responsibilities
- Build and maintain identity and secrets management systems, including credential issuance, rotation, and workload authentication across multi-cloud environments
- Contribute to cluster security controls including RBAC policies, namespace isolation, workload identity, and pod security
- Implement and maintain cloud security controls including IAM, network segmentation, VPC architecture, and encryption across multi-cloud and on-prem environments
- Design and implement secure development frameworks and libraries that make secure coding the path of least resistance, including service-to-service authentication, serialization libraries, and tool proxies
- Harden CI/CD pipelines against supply chain attacks through isolated build environments, signed attestations, dependency verification, and automated policy enforcement
- Identify and remediate security gaps through code review, threat modeling, and hands-on debugging
- Contribute to continuous cloud security posture management using infrastructure-as-code scanning, misconfiguration detection, and automated remediation
Requirements
- At least 5 years of software engineering experience implementing and maintaining security-relevant systems in production
- Bachelor's degree in Computer Science or equivalent industry experience
- Strong programming skills in Python or at least one systems language such as Go or Rust
- Experience contributing to cloud security controls
- A track record of taking ownership of problems end to end, from identifying the issue to shipping and monitoring the fix
- Clear communication skills and the ability to work collaboratively across engineering teams
- Low ego and high empathy, with a genuine interest in helping teammates succeed
- Passion for AI safety and the role security engineering plays in building trustworthy AI systems
Nice-to-Haves
- Contributions to developer security tooling including SAST, dependency scanning, or secure build infrastructure
- Familiarity with Kubernetes security primitives including RBAC, namespaces, network policies, and admission controllers
- Experience with cloud security posture management tooling, infrastructure-as-code security scanning, or automated remediation
- Experience with network security and isolation techniques including east-west controls, traffic inspection, and cloud network policy
- Experience with eBPF for security monitoring and enforcement, or developing kernel security policies
- Experience building secrets management or workload authentication systems, including familiarity with protocols such as OAuth 2.0, OIDC, SAML, or SPIFFE/SPIRE
- Background building or operating security systems in environments that support research workflows and rapid iteration
Skills
Python, Go, Rust, Kubernetes, RBAC, IAM, CI/CD, Oauth 2.0, OIDC, SAML, Spiffe/Spire, Ebpf, SAST, Infrastructure As Code, Cloud Security
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