MTS: AI Security & Cloud Infrastructure Leader

Reflection; San Francisco (CA); On-site; USD 180,000 - 260,000; Full time

Benefits offered by this job

Top-tier compensation

Equity opportunities

Comprehensive health benefits

Meals in office

Generous parental leave

Unlimited PTO in the US

Visa sponsorship where applicable

Team off-sites and celebrations

Job summary

Reflection is a research lab building open AI foundations. The MTS for Technology & Security Engineering will architect and operate the security stack protecting multi-cloud research infrastructure and multi-million-dollar GPU training capacity, enabling research speed with rigor.

Sitting at the intersection of security engineering, infrastructure, and research operations, this role leads security engineering with executive presence and hands-on craft, partnering across teams to protect model

Qualifications

• 7+ years of deep engineering leadership at high-valuation companies or defense-grade environments.
• Hands-on security engineering with experience building scalable security programs.
• Experience supporting SOC 2, ISO 27001, FedRAMP and enterprise security reviews.

Responsibilities

• Architect and operate the security foundation across multi-cloud infrastructure and GPU training capacity.
• Lead guardrails and security-as-code practices using Terraform/Pulumi and CI/CD validations.
• Partner with research, infra, legal, and physical security to scale controls and governance.
• Define and communicate security posture to auditors, customers, and vendors.

Skills

Linux security

macOS security

Kubernetes isolation

Cloud IAM governance

Executive leadership

Tools

Terraform

Pulumi

Tailscale

Cloudflare One

Job description

Reflection is a research lab building open AI foundations. The MTS for Technology & Security Engineering will architect and operate the security stack protecting multi-cloud research infrastructure and multi-million-dollar GPU training capacity, enabling research speed with rigor.

Sitting at the intersection of security engineering, infrastructure, and research operations, this role leads security engineering with executive presence and hands-on craft, partnering across teams to protect model