Security Lead, Product and Infrastructure (InfoSec)

The role

You will build and lead the security function from the ground up. You will protect research infrastructure, model weights, corporate assets, and the customer-facing platform.

What you will do

• Build the security function from first principles.
• Architect and scale end-to-end security operations.
• Protect proprietary model weights, training data pipelines, research clusters, and source code.
• Design lightweight, automated security controls and secure-by-default infrastructure.
• Own corporate IT, identity and access management, and privacy engineering.
• Drive security research and tooling.
• Serve as the external face of security to enterprise customers, regulators, board members, and government partners.
• Lead the compliance roadmap including SOC 2, ISO 27001, and FedRAMP.
• Recruit and mentor high-performing security engineers, operators, and researchers.

Required qualifications

• 10+ years in security with significant experience with a technology company
• Proven track record as a first or early security executive in a high-velocity, high-stakes environment
• Deep expertise in two or more of: detection engineering, incident response, digital forensics, infrastructure security, product/application security, operational security, or secure software developme
• Direct experience securing cloud-native, large-scale distributed systems, container/VM environments, and high-performance compute clusters
• Demonstrated ability to build and ship security tooling or research projects
• Strong cross-functional presence
• Intellectually curious about AI safety, alignment, and the unique security challenges of AI model and AI agent development

Nice to have

• AI preferred
• Experience with model-weight protection, secure multi-party compute, confidential computing, or supply-chain security at an AI lab or research organization
• Published research, conference talks, or open-source contributions in security engineering or defensive operations
• Experience with startups or venture-backed companies

Benefits

• Comprehensive health, dental, and vision insurance
• unlimited PTO
• relocation assistance as needed

Before you apply

• We sponsor visas and are committed to supporting the process for the right candidate

About the company

River AI's mission is to create personal AI owned and shaped by each individual. They are rewriting the entire stack from scratch, including personal hardware, training infrastructure, UIs, and deep learning research.