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← Reflection AI

MTS, Technology & Security Engineering

Reflection AI · New York, NY · San Francisco, CA

CHECKED 20H AGO

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At a glance

Highlights

  • Architect security protecting multi-million-dollar GPU training capacity.
  • Defend model weights and training data at frontier AI lab scale.
  • Build guardrails that let researchers move fast without friction.

What they offer

  • Salary and equity structured to recognize and retain talent globally
  • Stock options for all contributors
  • Comprehensive medical, dental, vision, and life plus wellness allowance
  • Lunch and dinner provided in the office daily
  • 22 weeks paid parental leave for all new parents
  • Unlimited PTO in the U.S. and 30 days in the U.K.
  • Regular off-sites, happy hours, and team celebrations

Ideal candidate

Hands-on security leader with deep engineering roots who thrives in fast-moving research environments. You think adversarially, build guardrails not gates, and balance rigor with researcher velocity.

Requirements

  • 7+ years of deep engineering experience at high-valuation companies or defense-grade environments
  • Track record building and operating security engineering functions at scale
  • Experience supporting SOC 2, ISO 27001, FedRAMP, NIST CSF and enterprise audits
  • Experience with vendor risk, procurement reviews and security contract negotiations
  • Deep familiarity with Linux and macOS internals and securing specialized hardware
  • Expert knowledge of cloud, IAM at scale, and Kubernetes/container isolation
visa sponsorship
We sponsor visas to help exceptional talent join our team and support long-term immigration pathways where applicable.

Lab profile

About Reflection AI

Research lab making intelligence open and accessible for everyone to use, customize, and build on.

What they build

  • Open foundation models
  • Aligned general agents
  • Enterprise AI deployments

Known for

  • Frontier model pre-training
  • Post-training and alignment
  • Distributed training infrastructure
  • Secure cloud platform foundations
More about Reflection AI →
Apply on the lab’s site ↗