Member of Technical Staff Infrastructure Security
Reflection is an AI research lab building open frontier models and a full AI stack for developers, enterprises, and public-sector users.
Funding history
About Reflection
Reflection develops open-weight AI models, open-source software for customizing and running agents, AI-factory infrastructure, and related solutions. Its current research emphasizes large language models, reinforcement learning, and agentic reasoning.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will secure geographically distributed multi-cloud Kubernetes and cloud environments. You will audit and harden clusters, centralize authentication and authorization, automate security posture monitoring, protect container workloads, build incident-response tooling, and define an infrastructure-security roadmap.
Requirements
- Experience securing Kubernetes clusters and hardening containerized workloads
- Knowledge of managed Kubernetes services such as GKE
- Experience with CI/CD systems such as ArgoCD
- Knowledge of Rancher and Helm
- Experience securing artifact repositories and build artifact provenance
- Experience with infrastructure as code such as Terraform or Pulumi
- Experience with GCP AWS or Azure
- Experience with neocloud GPU providers
- Python or Golang programming experience
- Recent hands-on engineering experience
- Experience building infrastructure security controls from zero to one
Responsibilities
- Audit and harden multi-cloud Kubernetes clusters
- Unify and harden authentication across Kubernetes clusters
- Design and implement centralized auditable authorization policy enforcement
- Automate Kubernetes security posture monitoring and benchmarking
- Develop defense-in-depth boundaries for containerized workloads
- Build and deploy incident detection and response tooling
Benefits
- Stock options
- Medical dental vision and life insurance
- Annual wellness allowance
- Daily office lunch and dinner
- 22 weeks of paid parental leave
- Unlimited paid time off in the United States
- 30 days of vacation in the United Kingdom
- Visa sponsorship support
- Regular off-sites happy hours and team celebrations