MTS, Technology & Security Engineering
Reflection AI · New York, NY · San Francisco, CA
CHECKED 20H AGO
Frontier labonsitesenior
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