Jobs · Engineering · California

Member of Technical Staff - Infrastructure Security

Reflection · San Francisco, CA · 1 mo ago
On-siteEngineeringFull-time

Key Responsibilities

  • Audit and harden geographically disparate multi-cloud Kubernetes clusters
  • Unify and harden authentication across Kubernetes clusters
  • Design and implement centralized, auditable Kubernetes authorization policy enforcement
  • Automate monitoring and benchmarking of Kube cluster security posture
  • Build and deploy automated tooling to support incident detection & response for Kubernetes clusters and containerized workloads

Required Qualifications

  • Deep experience securing Kubernetes clusters and hardening containerized workloads
  • Understanding of managed Kube cluster services such as GKE
  • Comfort working with CI/CD systems such as ArgoCD
  • Familiarity with Kubernetes orchestration systems such as Rancher and Helm
  • Experience hardening artifact repositories to ensure secure build artifact provenance spanning image builds, storage, and deployment
  • Experience defining and implementing concrete security improvements based on nebulous or unclear security requirements
  • Experience working with infrastructure-as-code systems such as Terraform or Pulumi
  • Experience working with major cloud providers such as GCP, AWS, and/or Azure
  • Experience working with neocloud GPU providers such as VoltagePark, GMI Cloud, Crusoe, Anyscale, Together.ai, etc.
  • Experience coding with Python or Golang
  • Recent hands-on engineering experience
  • Proven track record of building infrastructure security controls from 0 to 1

What We Offer

We believe that to make intelligence open and accessible to all, you need to start at the foundation. Joining Reflection means building from the ground up as part of a talent-dense team. You will help define our future as a company, and help define the future of open foundational models. We want you to do the most impactful work of your career with the confidence that you and the people you care about most are supported.

Top-tier compensation: Salary and equity structured to recognize and retain our talent globally.
Stock options: Everyone who joins and contributes to Reflection's success gets to share in the upside through stock options.
Health & wellness: Comprehensive medical, dental, vision, and life, with an annual wellness allowance.
Meals: Lunch and dinner are provided in the office daily.
Life & family: 22 weeks paid parental leave for all new birthing and non-birthing parents, including adoptive and surrogate journeys.
Vacation days: Unlimited paid time off in the U.S. and 30 days in the U.K.
Sponsorship support: We sponsor visas to help exceptional talent join our team and support long-term immigration pathways where applicable.
Team building: We have regular off-sites, happy hours, and team celebrations.

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