Staff Security Architect

Role description

Role Overview

As a Staff Security Architect at Lambda, you will be responsible for shaping the company's overall security architecture, with a primary focus on Data Protection and Platform Security. You will define secure-by-default foundational patterns across Lambda's core AI infrastructure, hardware/GPU platform layers, multi-cloud control planes, and end-to-end data lifecycles.

What You Will Do

You will architect, design, and standardize end-to-end data protection strategy, encompassing data classification, cryptographic key management, data loss prevention, and privacy-preserving controls across customer data and AI model weights. You will also design and enforce core platform security architectures across multi-tenant GPU infrastructure, bare-metal clusters, hypervisors, and container orchestration platforms.

Why It Might Be a Fit

We value diverse backgrounds, experiences, and skills, and we are excited to hear from candidates who can bring unique perspectives to our team. If you do not exactly meet this description but believe you may be a good fit, please still apply and help us understand your readiness for a Staff Security Architect role.

Requirements

• 10+ years of total engineering experience
• 5+ years specializing in security architecture, platform security, or data protection at cloud/infrastructure scale
• Deep expertise in data security concepts including encryption key management, cryptographic protocols, DLP, and confidential computing primitives
• Proven track record of designing multi-tenant platform security architecture across heterogeneous infrastructure
• Strong technical skills in prototyping security designs and reference code in Python, Go, or similar languages
• Demonstrated experience with threat modeling methodologies and security design reviews for high-consequence systems
• Strong communication and stakeholder management skills, with a track record of partnering effectively with IT, Legal, and HR

Benefits

• Generous cash & equity compensation
• Health, dental, and vision coverage for you and your dependents
• Wellness and commuter stipends for select roles
• 401k Plan with 2% company match (USA employees)
• Flexible paid time off plan